1. VERSION HISTORY

2. GENERAL WARNINGS AND SAFETY INSTRUCTIONS

Please note:

• Follow the safety instructions and installation guidelines in the manual and the installation checklist.
• Ensure that the installation environment complies with the specified operating range guidelines. Always adhere to temperature and other limit values.
• The device may only be used within the ranges specified in the technical specifications.
• The device may only be used for the described purposes and in the specified areas.
• Safety and functionality can no longer be guaranteed if the device is modified or expanded.
• The sensor must not be mounted on ceilings or floors
• Operation of the sensor is only permitted up to a maximum of 2,000 meters above sea level.
• Operation is only permitted in rooms with a ceiling height of up to 2 meters.
• Due to human exposure regulations, a minimum distance of 20 cm between the device and people must be maintained.
• Ensure that the installation environment complies with the prescribed guidelines for the intended use. Adhere to the temperature and other limit values at all times.
• Ensure that the installation environment complies with the prescribed guidelines for the intended use. Always adhere to the temperature and other limit values.

If the device is installed incorrectly:

• It may not function properly.
• It could be permanently damaged.
• It could pose a risk of injury.

Please note:

• Improper handling, such as improper mechanical stress (e.g., dropping the device), may result in damage.
• Using battery cells other than those recommended may negatively affect performance and product safety.
• The device may only be installed and put into operation if it can be removed from the original packaging undamaged. A visual inspection for damage must be performed immediately after removal. If the product is damaged, commissioning is prohibited.

3. GENERAL

• The Hyperion is a multifunctional, bidirectional energy meter that is only 90 mm (5TE) wide, offering outstanding flexibility and accuracy.
• Via direct or current transformer connection, it helps analyze and monitor a wide variety of parameters in the most demanding residential, commercial, or industrial applications.
• It combines the functions of an energy meter and a data logger and provides additional measurement values such as current, voltage, power, etc.
• Data transmission via mioty® or LoRaWAN® (depending on the version: mioty® or LoRaWAN®)

3.1. FEATURES

• Bidirectional meter (supply and consumption)
• MID B + D certification for billing purposes (only in 3-phase operation)
• Environmental conditions Mechanical: M2
• 1 and 5 A current transformer connection for up to 20,000/5 or 4,000/1 A; the transformer ratio can be configured multiple times via sealable buttons
• Direct connection up to 100 A
• 2 or 4-rate (configurable on the meter)
• High-load Opto Power MOSFET
• S0 pulse output, 5–60 V AC and V DC
• Graphical LCD display (38x28 mm), with backlight
• Dynamic 8-digit display with up to three decimal places
• mioty® or LoRaWAN® wireless interface

3.2. MID APPROVAL FOR BILLING PURPOSES

The Hyperion has been tested and approved in accordance with MID Modules B + D (Measurement Instruments Directive 2004/22/EC of the European Commission).

It therefore has the necessary declaration of conformity. Thanks to the additional certification according to Module D, a quality management system for manufacturing and final inspection, you can use all Hyperion energy meters ex works for billing purposes within the European Union and the European Economic Area (EEA).

3.3. DISPLAY OPERATION

A 38x28 mm backlit graphic LCD display allows for the reading of measurement values and settings even under difficult lighting conditions.

The desired menu language can be selected using the buttons. The clear and intuitive operation simplifies commissioning as well as daily work with the energy meters.

3.4. ACCURACY IN PHOTOVOLTAIC SYSTEMS

The Hyperion has been specifically tested for use with inverters in photovoltaic systems. This additional testing ensures that Hyperion energy meters deliver accurate measurement results in the unregulated frequency range between 2 kHz and 150 kHz.

Renowned trade journals have reported on this challenge, noting that measurement errors of up to 18% can occur in such systems.

4. CURRENT TRANSFORMERS

The current transformer ratio on the Hyperion with MID approval can be configured multiple times via buttons from 5/5 to 20,000/5 A or 1/1 to 4,000/1 A. The service button is sealable and prevents tampering; additionally, configuration changes are logged and archived.

Highlights

• MID B+D approval
• Bidirectional meter
• Certification for frequency-independent measuring mechanism in the range of 2 kHz to 150 kHz

According to

• Integrated tamper detection

4.1. MEASUREMENT VALUES ON THE DISPLAY

The table of available measured values is not exhaustive. Additional measured values are continuously integrated and made available via the graphical display and readout interface.

Features

• Logbook for metrology-related events and configuration changes
• Change of time or date
• Changing the current transformer ratio
• Changing the pulse rate and pulse duration
• Changing the voltage transformer ratio
• Buffered internal clock

The internal clock is backed up in the event of a power failure. The load profile is saved every 15 minutes. The memory can be read via the interface or viewed on the display.

5. WIRELESS COMMUNICATION

5.1. LORAWAN® AND MIOTY® RADIO STATION

LoRaWAN® or mioty® wireless technology enables communication between measuring devices, sensors, and actuators via freely available radio frequencies. mioty® and LoRa® are designed to bridge long distances while adhering to current security standards and were developed specifically for the Internet of Things (IoT).

The Hyperion features an optional integrated LoRa® wireless interface. It is designed as a Class C device and is therefore capable of receiving LoRa® commands at any time. The measurement values to be transmitted are freely configurable and can be flexibly adapted to local conditions and requirements.

The mioty®® version is uplink-only, meaning it cannot receive downlinks (coming soon)

5.2. OPERATION OF LORA® AND MIOTY® NETWORKS

The Hyperion energy meter can

• into existing LoRa® or mioty® networks
• into self-operated LoRa® or mioty® networks
• In mioty® networks provided by DIEHL

be integrated. This also enables cost-effective operation of proprietary LoRa® networks.

5.3. TECHNICAL FEATURES:

• Internal built-in antenna, optimized for the 863-870 MHz frequency band
• Model with optional SMA connector for connecting an external antenna
• Both antennas have an attenuation of 14 dBm
• Class C device, can also be operated as a Class A device
• Automatic time synchronization via the LoRa® network
• Supports OTAA and ABP as join procedures
• The interval and content of uplink messages can be flexibly customized
• Decoders and encoders are already stored with The Things Network
• The decoders and encoders are freely available for integration into other systems
• LoRa® and mioty® status display on the LC display

6. ORDERING INFORMATION AND PRODUCT INFORMATION

6.1. ORDERING INFORMATION

3/100

3/5

6.2. PRODUCT INFORMATION

Disclaimer

This documentation may contain forward-looking statements based on the current assumptions and estimates of management. Forward-looking statements are identified by the use of certain phrases. These statements should not be construed as guarantees that these expectations will prove to be correct. Future developments and the actual results achieved by Sentinum GmbH and its affiliated companies are subject to a number of risks and uncertainties and may therefore differ materially from the forward-looking statements. Various of these factors are beyond the Company's control and cannot be precisely predicted, such as the future economic environment and the behavior of competitors, other market participants, and legislators. The Company does not plan to update the forward-looking statements, nor does it assume any separate obligation to do so.

7. SAFETY NOTICES

Please read this operating manual, as well as all other documents issued by Sentinum GmbH.

When using the Hyperion energy meter and this operating manual, please pay close attention to safety regulations and warnings. Failure to do so may result in significant personal injury and/or property damage.

Use the Hyperion only within its approved operating range. Failure to observe these limits may result in significant personal injury and/or property damage. Unauthorized modifications to the Hyperion void any warranty coverage for damages on the part of Sentinum GmbH.

Local safety and plant regulations must be observed. The installation of the Hyperion energy meter must only be performed by qualified and appropriately trained personnel. It is essential that you follow the installation instructions in this document.

The following explains the symbols that indicate a hazard:

Maintenance

The Hyperion is maintenance-free. In the event of damage (e.g., due to incorrect connection or improper storage), repairs may only be performed by Sentinum.

Disclaimer

The selection of the meter and the determination of the meter type's suitability for a specific application are the sole responsibility of the purchaser.

No liability or warranty is assumed for this. The information in the catalogs and data sheets does not constitute a guarantee of specific properties, but is based on empirical values and measurements. Liability for damages resulting from incorrect operation/project planning or malfunctions of the energy meter is excluded.

Rather, the operator/project planner must ensure that incorrect operation, incorrect project planning, and malfunctions cannot cause further damage. No warranty is provided for defects and damage resulting from improper use of the Hyperion energy meter or from failure to follow the operating instructions.

7.1. CUSTOMER'S OBLIGATIONS

Data Backup & Safety Copies

The customer is solely responsible for data backup, regardless of the type of installation of the Hyperion energy meters. The risks and costs of operation are borne by the customer. As part of additional services, Sentinum may assist the customer in developing possible concepts. The customer must perform the data readings and create backup copies necessary for safe operation. The backup copies must be securely stored by the customer.

Obligation to Monitor

The customer is required to monitor the system to ensure that any failure of a measuring point is detected immediately, or within 24 hours at the latest.

Access Permissions

The customer is responsible for protecting Hyperion from unauthorized access through technical and organizational measures.

Responsibility for the IT Environment

The customer is responsible for their IT environment and for ensuring access. The customer acknowledges that the Hyperion energy meter and any firmware updates have specific system requirements. The customer is solely responsible for meeting these requirements. It is the customer's sole responsibility to provide the hardware necessary for the Sentinum firmware and the personnel with the appropriate expertise.

The customer shall take appropriate precautions in the event that the Hyperion energy meter fails to function properly, either in whole or in part (e.g., through daily data backups, fault diagnosis, regular verification of results, and emergency planning). It is the customer's sole responsibility to provide the necessary infrastructure for this purpose and to ensure the functionality of the working environment as well as its technical performance. The system requirements originally specified may change during operation and as a result of installing updates. The customer is obligated to check this regularly and to ensure, prior to installing updates, that the requirements continue to be met.

The data log entries in Hyperion must be read and archived daily.

7.2. SCOPE OF DELIVERY AND INCOMING INSPECTION

Scope of Delivery:

• A quick guide describing the most important features of the meter. Please read this carefully.
• A Hyperion Energy Meter If your shipment shows obvious damage, please contact us immediately by email at sentinum@info.de. Please provide the serial number and the corresponding delivery note and/or invoice number for each affected meter.

8. ADDITIONAL INFORMATION ON SETUP, PRODUCT, MEASUREMENT PROCEDURES, AND USE

8.1. PRODUCT DESCRIPTION

The Hyperion is:

• Intended for use only as a 3-phase energy meter; however, MID conformity applies exclusively to three-phase operation
• Intended for static 3-phase measurement of active energy consumed and supplied in accordance with EN504703:2006 in residential, commercial, and industrial environments.
  • These measurements can be used for billing purposes.
• Intended for the static 3-phase measurement of reactive energy consumed and supplied in accordance with EN 62053 in residential, commercial, and industrial environments.
  • These measurements can be used for billing purposes.
• In single-phase operation, the meter is not MID-compliant; the wiring diagram in Section 9.5 must be strictly followed
• Suitable for installation in static, weather-protected control cabinets in buildings.
• Can be used in 4-wire networks and in TN networks (combined neutral).
• The 3/100 version can be used for direct current measurements up to 100 A
• Suitable for measurements in medium- and high-voltage networks only via current and voltage transformers.
  • Not certified for use with voltage transformers; measured values are not legally valid for metrological purposes.
  • Adjustable only in the ratio ../100 for voltage transformers.
• In the 3/5 version, intended for current measurement via external ../1A or ../5A current transformers.
• Suitable for use in residential, commercial, and industrial areas.
• In the LP version, certified for load profiles according to PTBA 20.1 and PTBA 50.7.

The measurement data can be displayed on the screen and, depending on the model, read out and processed via the device's corresponding interface.

8.2. MEASUREMENT PROCEDURE

The measurement of current and voltage by the Hyperion follows the principle described below. The Hyperion measures the current and voltage for 1 second at a time, after which a new measurement is initiated. During this second, the following procedure takes place:

• The Hyperion records 8192 measurement points for voltage U and current I. These measurement points have a 32-bit resolution.
• All measured values for voltage U and current I are squared, summed, and at the end of the second divided by the number of measurement points (8192). Taking the square root of the result yields the root mean square (RMS) value of the voltage and current:

8.3. OPERATING CONCEPT

The following section explains the controls of the Hyperion energy meter.

Buttons

The meter is operated using two touch buttons and a service button (SRVC):

• "Right Arrow" (Button 1)

o A short press (<2s) scrolls through the main menu pages to the right

.

o A long press (>2s) scrolls through the main menu pages to the left

(devices with FW 1.3.0 and newer).

• "Down Arrow" (Button 2)

o A short press (<2s) changes the submenu page within the respective

main menu.

o A long press (>2s) executes the special function in the respective

submenu.

• "Service Button" (3)

o The Service Button is recessed deep into the housing and must be operated with a thin

non-conductive screwdriver or similar tool.

o A short press (<2s) activates edit mode in the "Settings"

menu.

o A second brief press (<2s) exits edit mode

without saving the selected setting.

o A long press (>2s) saves any setting changes

in the "Settings" menu

• Sealing (4): After installation, the service button (SRVC) is covered with the cover flap of the rear connection row. The cover flap can then be secured with a lead seal to prevent unauthorized access to the settings by third parties.

The cover for the current and voltage connections can also be sealed.

8.4. FRONT VIEW OVERVIEW OF THE HYPERION

The following primary elements are located on the front of the Hyperion energy meter.

The front panel also features the following secondary elements:

8.5. OVERVIEW OF THE HYPERION DISPLAY

1. Current tariff
2. Active communication interface (model-dependent)
3. Phase sequence
4. Four-quadrant display together with number 5:
   1. <<P: Active energy is being fed into the grid.
   2. P>>: Active power is being drawn.
5. Four-quadrant display together with number 4:
   1. <<Q: Reactive power is being fed into the grid (inductive).
   2. Q>>: Reactive power is being drawn (capacitive).
6. Measured value / Menu item
7. Submenu item
8. Current measured value
9. Unit of the current measured value

The following table lists all symbols that may appear on the display.

The following symbols appear only on the LP version of the Hyperion energy meter.

8.6. COMPATIBLE DEVICES

Interfaces:

• M-Bus
• TCP/IP, Modbus TCP
• Modbus RTU
• LoRaWAN®

9. INSTALLATION

The Hyperion can be installed in any orientation. The meter is designed for a DIN rail in accordance with EN 50022. The meter can also be mounted using a front mounting frame. To remove the meter from a DIN rail, pull on the spring-loaded latch on the front of the meter. The wiring of the transformer meter should be kept as short as possible.

If the Hyperion exhibits significant measurement discrepancies after commissioning, please note the following points:

• The use of Rogowski coils is not recommended for transformer meters due to the multiple current/voltage conversions with external amplification. Each conversion and amplification adds a multiplicative measurement error.
• Self-consumption

Every meter has its own energy consumption. A main meter will therefore measure more energy consumption than the sum of the individual sub-meters. Depending on the model, a Hyperion consumes up to 2W per phase. Over the course of a year, this results in an average energy consumption of 36 kWh/year for the meter, with a maximum energy consumption of 52.5 kWh/year.

Inrush current

• The Hyperion 3/5 begins counting only at a phase current of 1 mA, while the Hyperion 3/100 begins counting only at a phase current of 20 mA. For transformer meters, the current transformers must be sized accordingly. Accuracy
• The Hyperion has accuracy class B (active energy) and 2 (reactive energy) according to EN50470. Thus, a maximum measurement error of 1% (active energy) and 2% (reactive energy) per meter may occur. The total energy for a main meter, if present, is affected by this error only once, whereas the total energy of the combined submeters includes this error multiple times.
• Example: A main meter has 20 sub-meters. Each sub-meter under-reports energy consumption by 0.2%. The main meter over-reports energy consumption by 0.2%. With actual consumption of 100 kWh, the total energy reading from the 20 sub-meters will therefore be 100 kWh * 20 meters * 0.2% = 4 kWh too low. The main meter, on the other hand, will display 100 kWh * 1 meter * +0.2% = 0.2 kWh too much. The measured energy difference between the sub-meters and the main meter is thus 4.2 kWh out of 100 kWh, or 4.2%. Energy Direction (Transformer Meter)
• If all currents are expected to have a positive sign (the meter measures only energy consumption) and yet one or more currents have a negative sign, the current transformer has been connected incorrectly. Transformer factor (transformer meter)

• The transformer factors on the meter must be set according to the installed current/voltage transformer. Correct phase assignment
• Current L1 and voltage L1 must be connected to the same measurement system. See the connection diagram for the transformer meter. The weight of a meter is approximately 350 g.

9.1. SAFETY INSTRUCTIONS

9.2. COMMISSIONING / INSPECTION

The following points must be checked during commissioning:

• Rotating field direction
• Current per phase, negative energy direction
• Phase sequence > L1 L2 L3
• Current transformer ratio
• Voltage transformer ratio
• Terminals properly tightened / Torque
• For readout interface: Correct address

The Hyperion energy meter is intended exclusively for measuring electrical energy and must not be operated outside the specified technical data.

9.3. FACTORY DEFAULT SETTINGS

S0 Output: Active energy consumption (Pins 6 + 7)

Transformer meter: 10 pulses / kWh

Direct-connection meter: 1000 pulses/kWh

Dimensions: For dimensions, please consult the document "Dimensional Drawing Hyperion" Doc. Ref: 1420.

9.4. WIRING DIAGRAM FOR DIRECT CONNECTION (3-PHASE

OPERATION)

With the direct-connection meter, the voltage is tapped internally. The neutral conductor is connected to terminal "N."

When connecting the power line, pay attention to the arrows on the meter's terminals. "Lx↑" indicates the utility-side connection, "Lx↓" indicates the consumer/generator-side connection.

The following table lists the most important connection specifications.

9.5. CONNECTION DIAGRAM FOR DIRECT CONNECTION (1-PHASE

OPERATION)

The energy meter is suitable for both single-phase and three-phase operation. However, MID conformity applies exclusively to three-phase operation; in single-phase operation, the meter is not MID-compliant.

For single-phase operation, the connection diagram shown must be strictly adhered to. The corresponding terminals must be correctly assigned as shown in the figure, particularly the assignment of phase (L) and neutral conductor (N). Deviations from the specified wiring diagram can lead to measurement errors or malfunctions. For single-phase operation, phase L1 is routed through the terminals of L3. Specifically, this means:

• The supply (L1) is connected to the L3 input terminal (↑)

• The output to the load is taken from the L3 output terminal (↓)
• The neutral conductor (N) is connected directly as intended

In this case, the L1 and L2 terminals remain unused.

9.6. Wiring Diagram for Transformer Meters

For transformer-connected meters, the voltage is tapped externally. Connect the phase to the "Lx" terminals. The neutral conductor is connected to the "N" terminal.

When connecting the current transformer, pay attention to the arrows on the meter's connection terminals. "S1↑" indicates the utility-side connection, "S2↓" indicates the consumer/generator-side connection.

Danger: The two connections between the "S2↓" of the third phase and the neutral conductor are reserved for functions currently under development. Do not connect anything to these. Incorrect connections to these two pins can destroy the meter.

The following table lists the most important specifications for the two transformer connections:

9.7. TIGHTENING TORQUE

9.8. SPRING CLAMP CONNECTORS STRAND DIAMETER

10. OPERATION

The following explains how to navigate through the various menus and submenus.

10.1. MAIN MENU PAGES

When power is first applied to the meter, the test screen appears first. After approx. 2 seconds, the main menu page "Active Energy Import" appears. Each time the "Right Arrow" button is pressed, the following main menu pages are displayed in a circular menu:

By holding down the "Right Arrow" button for longer (>2s), you can also scroll through the circular menu in reverse. (FW Version 1.3.0 and newer)

10.2. SUBMENU PAGES

The submenu pages are listed below.

Energy Displays

The main menu pages Active Energy Import/Export and Reactive Energy Import/Export display the total consumption/supply of the respective energies by default. The following layout applies to the submenu pages by default:

To ensure the most accurate display of energy values possible without overlooking large consumers, the Hyperion features an autorange function. If the display value overflows, the OF flag appears on the display. However, the registers readable via the interfaces do not overflow until much later (approx. 18 billion GWh) than the display value (99 million MWh). The display shows the energy values as follows

Maximum energy register value: 18,446,744,073,709,600,000 Wh = 18,446.7 PWh

10.3. POWER AND CURRENT CONSUMPTION

The main menu pages for "Active / Reactive / Apparent Power" each display the total current power consumption. Pressing the "Down Arrow" button allows you to switch to the power consumption of the individual phases.

On the "Current" main menu page, the total current across all 3 phases is also displayed by default. Pressing the "Down Arrow" button allows you to switch to the current of the individual phases.

The 4-quadrant diagram illustrates the relationship between positive and negative active and reactive power. When active power is negative, the displayed current is also negative. The diagram also lists the energy directions (P>>, Q>>, etc.) that appear on the display.

Quadrant I

• Active power positive, active energy consumption register is incremented
• Positive reactive power, reactive energy consumption register is incremented

Quadrant II

• Active power negative, active energy supply register is incremented
• Positive reactive power, reactive energy consumption register is incremented

Quadrant III

• Active power negative, active energy supply register is incremented
• Reactive power negative, reactive energy supply register is incremented

Quadrant IV

• Active power positive, active energy consumption register is incremented
• Reactive power negative, reactive energy supply register is incremented

10.4. VOLTAGE, POWER FACTOR, AND FREQUENCY

These menu pages display the current values for voltage, power factor, and frequency. The values are updated at 1-second intervals.

If the "Min/Max Values" setting is enabled, you can view the maximum and minimum values of the current readings by briefly (<1s) pressing the "Down Arrow" button. The timestamp of the maximum/minimum value is also displayed.

Load Profile and Logbook

By briefly (<1s) pressing the "Down Arrow" button, you can scroll through the saved load profiles and logbook entries. The lists always start with the most recent entry.

By pressing and holding the "Down Arrow" button for longer than 2 seconds, you can switch between consumption and supply load profiles. In the logbook, this allows you to switch between the change and the meter readings at the time of the change.

11. CONFIGURATION SETTINGS

11.1. BASIC SETTINGS

Language

Switch between the languages "German" (default) and "English".

• "Right Arrow" to Settings ("Settings" in English) ‚
• "Down Arrow" to Language (in English) ‚
• Press the "Service" button briefly (<2 seconds) ‚
• "Down Arrow" selects between "German" and "English"
• Save: Press the "Service Button" for >2 seconds until the LCD screen flashes

Tariff Switching

A change in the tariff is applied immediately, i.e., the tariff applied at that moment at terminals 9–11 takes effect immediately.

The tariff signal consists of an AC voltage of 230 VAC applied between NE (terminal 11) and E2 (terminal 9) / E1 (terminal 10). The tariffs apply according to the following truth table, where "0" corresponds to 0 VAC and "1" to 230 VAC relative to NE (terminal 11).

Tariff 1 is always set by default. The tariff inputs are galvanically isolated internally via optocouplers.

Set the number of tariffs

The number of tariffs can be set in the settings. Choose between dual tariff (2) and quad tariff (4).

• "Right Arrow" until Settings
• "Down Arrow" to Number of Rates
• Press "Service Button" briefly (<2 seconds)
• "Down Arrow" selects between 2 and 4 rates
• Save: Press the "Service button" for >2 seconds until the LCD screen flashes

Real-time clock

The real-time clock of the Hyperion energy meter can be set directly on the meter or via optional interfaces. The interfaces (TCP/IP, MBus, Modbus, LoRa®) also allow you to connect the meter to a time server so that the meter can synchronize itself.

The Hyperion has an internal clock that may deviate by 0.4 seconds per day. The LP version of the Hyperion energy meter has specific messages that may appear on the display regarding the real-time clock. For more detailed information on the LP version of the Hyperion energy meter, please consult the PTBA 50.7-specific chapter at the end of this user manual.

Configuration on the Device

The real-time clock can be set directly on the Hyperion. The internal clock is supported by a buffer for at least 18 days when the power is off before the time needs to be reset.

• "Right Arrow" to Settings
• "Down Arrow" until Real-Time Clock
• Press the "Service Button" briefly (<2 seconds)
• "Right Arrow" selects digit
• "Down Arrow" increments the digit
• Save: Press the "Service Button" for >2 seconds until the LCD screen flashes

Automatic time synchronization

Time synchronization is performed via M-Bus using a defined command through the meter's selected interface. Time and date information is sent to the meter. Synchronization occurs immediately and is acknowledged by the meter with an "ACK" message.

Meters with TCP/IP and LoRa® interfaces can synchronize automatically if a time server is specified. The meter sends a request to the time server every 12 minutes until initial synchronization has taken place. After that, the meter requests synchronization only once per hour.

Load Profile Interval

The load profile interval can be set in the settings. Choose between intervals of 1 min, 5 min, 15 min (default), 30 min, 1 h, 6 h, 12 h, or 24 h.

• "Right Arrow" until Settings
• "Down Arrow" to Load Cycle Interval
• Briefly press the "Service Button" (<2 seconds)
• "Down Arrow" selects between the interval times
• Save: Press the "Service Button" for >2 seconds until the LCD screen flashes.

11.2. SETTING THE TRANSFORMER RATIOS

The transformer ratio can be set directly on the Hyperion energy meter using the control buttons.

• "Right Arrow" to Settings
• "Down Arrow" until CT / VT Ratio
• Briefly press the "Service Button" (<2 seconds)
• "Right Arrow" selects digit
• "Down Arrow" increments the digit
• Save: Press the "Service Button" for >2 seconds until the LCD screen flashes

The current transformer ratio (CT Ratio) can be changed from 5A:5A to 20,000A:5A in 5A increments and from 1A:1A to 4,000A:1A in 1A increments.

The voltage transformer ratio (VT Ratio) can be set from 100V:100V to 36,000V:100V in 100V increments.

It is mandatory to specify both the primary and secondary currents of the current transformer. A set ratio of 100:1 means that a secondary current of 1A flows when the primary current is 100A.

11.3. ADDITIONAL SETTING OPTIONS

S0 Pulse Value

The pulse value can be set in the settings.

• "Right Arrow" until Settings
• Press "Down Arrow" until S0 Pulse Value
• Briefly press the "Service Button" (<2 seconds)
• "Down Arrow" selects between 1, 10, 100, 1000, and 10,000 pulses/kWh
• Save: Press the "Service button" for >2 seconds until the LCD screen flashes

Energy Display Settings

Set what should be displayed on the screen. You can choose between the following settings.

Energy per Tariff:

• On: On the main menu pages "Active Energy Import," "Active Energy Export," "Reactive Energy Import," and "Reactive Energy Export," the Hyperion displays the energy consumed or supplied for each rate.
• Off: On the aforementioned main menu pages, only the total across all tariffs and the selected setting in "Energy per Phase" are displayed. Energy per Phase:
• On: On the main menu pages "Active Energy Import," "Active Energy Export," "Reactive Energy Import," and "Reactive Energy Export," the Hyperion displays the energy consumed or supplied for each phase.
• Off: Only the total across all tariffs and the selected setting in "Energy per Tariff" are displayed on the aforementioned main menu pages. Overview

Depending on the settings selected for displaying energy imports/exports, the submenu for energy displays is structured as follows.

The following legend applies:

• Green: Only the "Energy per Phase" option is enabled.
• Orange: Only the "Energy per Tariff" option is enabled.
• Red: Both options are enabled.

Interface Configuration

The Hyperion can be equipped with various interfaces. However, only one interface is possible per meter.

Interfaces

The Hyperion optionally features one of the following interfaces:

• LoRaWAN®®
• mioty®

M-Bus

The M-Bus interface is designed in accordance with the EN 137572,3 standard (formerly EN 14343). The Hyperion M-Bus can therefore communicate with all M-Bus-compatible devices. The M-Bus interface is integrated into the energy meter and protected against contamination and tampering. The interface is located on the back of the meter at pin 1[3] (+) and pin 2[4] ().

Factory Settings

12. M-BUS CONNECTION DIAGRAM

The Hyperion M-Bus energy meter is equipped with two internally connected M-Bus terminals. This simplifies serial connection during installation.

13. ADDITIONAL CONFIGURATIONS, COMMUNICATION, AND

HANDLING ERRORS 13.1. CONFIGURATION

Configuring the primary address on the device

• "Right Arrow" to Settings
• Press "Down Arrow" until M-Bus Primary Address
• Briefly press the "Service Button" (<2 seconds)
• "Right Arrow" selects digit
• "Down Arrow" increments the digit
• Save: Press the "Service button" for >2 seconds until the LCD screen flashes

Configuring the secondary address on the device

• Press "Right Arrow" until Settings
• "Down Arrow" to M-Bus Sec. Address
• Briefly press the "Service button" (<2 seconds)
• "Right Arrow" selects digit
• "Down Arrow" increments the digit
• Save: Press the "Service button" for >2 seconds until the LCD screen flashes

Configuring the baud rate on the device

• Press "Right Arrow" until Settings
• "Down Arrow" to M-Bus Baud Rate
• Briefly press the "Service button" (<2 seconds)
• "Right Arrow" selects between 300, 600, 1,200, 2,400 (default), 4,800, and 9,600

Baud off.

• Save: Press the "Service button" for >2 seconds until the LCD screen flashes

Configuration via MB-Connect

The Hyperion M-Bus can also be configured using our proprietary MB-Connect software.

S0 pulse output

The S0 pulse output complies with the EN 62053-31 (DIN 83864) standard. Every Hyperion has an S0 pulse output and is therefore capable of communicating with devices that can receive and evaluate such pulses. The interface is located at the rear of the meter on pins 6 and 7. The switch is a high-load Opto Power MOSFET 5–60 VAC or VDC. The S0 pulse output is potential-free.

Factory settings

Wiring diagram for S0 pulse output

Configuration: Readout Type

• "Right Arrow" until Settings
• "Down Arrow" to S0 Pulse Type
• Briefly press the "Service button" (<2 seconds)
• "Right Arrow" selects between:
• Active Energy Diff: All active energy, whether purchased or supplied, is displayed without distinction.

• Reactive Energy Diff: All reactive energy, whether purchased or supplied, is output without distinction.
• Active Energy Import: Only purchased active energy is output via S0. All other energy is ignored.
• Reactive Energy Import: Only purchased reactive energy is output via S0. All other energy is ignored.
• Active Energy Export: Only supplied active energy is output via S0. All other energy is ignored.
• Reactive Energy Export: Only supplied reactive energy is output via S0. All other energy is ignored.
• Save: Press the "Service button" for >2 seconds until the LCD screen flashes

Configuration of S0 pulse rate

The pulse value can be set in the settings.

• "Right Arrow" until Settings
• "Down Arrow" to S0 Pulse Value
• Press the "Service button" briefly (<2 seconds)
• "Down Arrow" selects between 1, 10, 100, 1000, and 10000 pulses/kWh. Save:
• Press the "Service Button" for >2 seconds until the LCD screen flashes

Configuration S0 pulse width

The pulse width can be set in the settings. Choose between 2 ms, 10 ms, 30 ms, 40 ms, and 120 ms.

• "Right Arrow" to Settings
• "Down Arrow" until S0 Pulse Width
• Briefly press the "Service button" (<2 seconds)
• "Down Arrow" selects between 2 ms, 10 ms, 30 ms, 40 ms, and 120 ms
• Save: Press the "Service Button" for >2 seconds until the LCD screen flashes

Modbus connection diagram

13.2. LORA® FACTORY SETTINGS

The Hyperion supports communication via LoRa®.

Factory settings

By default, the Hyperion transmits the following values via LoRa® every 15 minutes:

• Timestamp
• Active energy import Tariff 1&2
• Active energy export Tariff 1&2
• Error code

13.3. MIOTY® FACTORY SETTINGS

The Hyperion supports communication via mioty®.

Factory settings

Profile 0 is used as the factory setting.

Profile 0: Complete data:

Comprehensive measurement values: power, current, voltage, energy, power quality.

• Power (W): p_l1_a, p_l2_a, p_l3_a, p_l123_a
• Current (mA): i_l1, i_l2, i_l3, i_l123
• Voltage (V ÷10): u_l1, u_l2, u_l3, u_l12, u_l23, u_l31
• Energy (Wh): e_ta_a_i, e_ta_a_e, e_ta_r_i, e_ta_r_e
• Power Quality: pf_l1–3 (÷100), f (Hz ÷10)
• Status: pwr_fail

For additional profile settings, please refer to the document HYPERION MIOTY PROFILE DE

Nomenclature:

• Voltage: u_lX (phase/line)
• Current: i_lX (phase/total)
• Power: p_lX_a (active, phase/total)
• Energy: e_t{a|1|2}_{a|r}_{i|e} (e.g., e_ta_a_i)
• Power Factor: pf_lX
• Frequency: f
• Transformer ratio: {ct|vt}_{act|old}_{prim|sec}

13.4. ERROR CASES

If you detect an error with the Hyperion, consult the following list of the most common errors.

Discrepancies in the energy measurement of the Hyperion energy meter

Situation: One or more phase currents have a negative sign. Solution: Check whether the "S1↑" and "S2↓" ("Lx↑" and "Lx↓" for the direct meter) connections are correctly connected for the respective phases. "S1↑" ("Lx↑") must always be connected on the utility side, and "S2↓" ("Lx↓") must always be connected on the consumer/generator side.

Initial situation: The meter is measuring too much / too little energy

Solution 1: Check the set current transformer ratio and the voltage transformer ratio. These ratios must match the current/voltage transformers used.

Solution 2: Check that the meter is connected correctly. A phase carrying a negative current counts the energy toward the export register.

Incorrect consumption display on the transformer meter

Situation: The Hyperion displays consumption that is significantly higher or lower than expected Solution 1: Ensure that the current transformer ratio on the Hyperion matches the current transformer you selected. The current transformer ratio can be configured on the Hyperion using the arrow keys.

5 / 5 to 20,000 / 5 A, in 5 A increments. 1 / 1 to 4,000 / 1 A, in 1 A increments.

Incorrect consumption display in single-phase operating mode

Situation: The Hyperion is counting incorrectly or the energy reading is not increasing in the single-phase configuration

Solution 1: Check the wiring diagram for the single-phase configuration according to 9.5

Behavior for consumption and supply

The Hyperion records energy in negative (delivery) and positive (consumption) directions in separate registers. The meter readings for consumption and delivery are not "counted down" or reduced.

The "Active Energy Consumption" register refers to the energy supplied by or consumed from the utility company. The customer receives an energy bill from the utility company for this. The "Active Energy Supply" register refers to the energy fed back into the grid (e.g., from a photovoltaic system).

Practical example:

How do the two registers behave in Hyperion:

Current consumption of the residential complex at 1:00 PM

Phase L1: 10 kW

Phase L2: 20 kW

Phase L3: 30 kW

Total ==> 60 kW

PV system feed-in for the residential complex at 1:00 PM

Phase L1: 25 kW

Phase L2: 25 kW

Phase L3: 25 kW

Total ==> 75 kW

In this case, 15 kW is currently being fed back into the grid, and the "Active Energy Consumption" register remains at zero for L1 and L2 and is not increasing. The "Active Energy Supply" register is currently increasing for L1 and L2, as energy is being fed back into the grid. Energy is still being drawn from L3. "Active Energy Supply" therefore remains at L3, and "Active Energy Consumption" is counting up.

The Hyperion is providing incorrect values via the pulse output

Check whether the pulse rate and pulse duration of the Hyperion energy meter match those of your pulse receiver. The pulse rate and pulse duration can be configured on the Hyperion using the buttons.

Possible pulse rates/durations: Pulse rates: 1, 10, 100, 1000, and 10,000 pulses per kWh/kvarh. Pulse durations: 2 ms, 10 ms, 30 ms, 40 ms, and 120 ms.

The following values are set at the factory

The tariff switching is not working

Tariff 1 is active by default. Check whether you have connected the tariff switching correctly.

The LoRa® communication interface is not working

• Ensure that the meter is registered on your LoRa® network server.
• Ensure that the LoRa® read interval is adjusted to the available bandwidth. Many LoRa® devices on the same network can interfere with each other's communication.
• Ensure that the meter can synchronize the time via LoRa®.

14. ADDITIONAL INFORMATION ON LOAD PROFILE ACCORDING TO PTBA 50.7

14.1. MEASUREMENT ACCURACY NOTES: REQUIREMENTS FOR THE USER AS DEFINED IN § 23 OF THE MEASUREMENT AND CALIBRATION REGULATION

The Measurement and Calibration Ordinance requires those who, within the meaning of calibration law, are users of a measuring instrument to measure and handle measuring instruments in such a way that the accuracy of the measurement is ensured. Users within the meaning of calibration law, taking into account the regulation of market roles by the Metering Point Operation Act, are:

• Meter users:
  • Meter users are the metering point operators as defined by the Metering Point Operation Act.
• Meter reading users:
  • Meter reading users are those who, within the meaning of the Metering Point Operation Act, perform metering and transmit meter readings to authorized third parties, as well as bill for grid usage and energy supply.

Measuring instrument users are responsible for providing measurement value users with the opportunity to familiarize themselves with the requirements explained below.

Transparency of Use

The meter reading user must make the calculation of the billed energy and, where applicable, power values transparent to the electricity customers for whom the meters are used. "Making transparent" means providing information that enables electricity customers to understand how the billing items on their electricity bill are calculated, using meter readings from the devices installed at their premises that comply with calibration regulations. In particular, information must also be provided regarding

• Which of the values displayed by the devices may actually be used for billing purposes
• That values not displayed cannot be used for billing purposes, and that displayed values resulting from functions not subject to metrological regulations are purely informative and likewise cannot be used for billing purposes. Furthermore, the metering devices must be used in such a way that the billing-relevant measurement results and error messages are also legible to electricity customers.

Tariffing

Only tariffs T1 and T2 may be used for the metrology-compliant use of meter reading data.

In this regard, Section 33 of the Measurement Act (MessEG) must be observed:

In this regard, the meter reading user must ensure that bills, insofar as they are based on meter readings, can be easily verified by the person for whom the bills are intended, and must provide suitable tools for this purpose if necessary. It must always be ensured that all registers used for billing are also displayed on the screen.

14.2. ERROR MESSAGES / CLOCK ADJUSTMENTS

Error Messages:

The accompanying documentation describes the device malfunctions that the meters mentioned here can diagnose and display themselves. If one or more of the events designated as "metrologically relevant error messages" occur, metrologically compliant use is no longer guaranteed and the stored measurement results must be regarded as questionable. The devices must be removed, repaired if necessary, and calibrated if they are to continue to be used for billing purposes.

Time adjustment:

For meters with an internal clock that can be adjusted via remote control, technical measures must ensure that it is verifiable via metrology-compliant displays on the meter whether any clock adjustments affecting measurement and billing accuracy have occurred during a billing period. For the meters mentioned here, this is achieved as follows:

• A command to adjust the meter clock via one of the available interfaces always results in an entry in the metrological logbook. The current registration period following the time of the clock adjustment is marked as invalid.
• The registration period that begins anew with the time adjustment ends at the next integer multiple of the registration period length (at x:15, 30, 45, or 00) based on the newly set meter time.

Use of communication interfaces

The communication interfaces of the meters do not comply with metrology regulations. Measurement values read via these interfaces from the meters to be approved here may only be used for billing purposes to the extent that they constitute an unaltered reproduction of the measurement results displayed on the screen of the meters to be approved here, in accordance with Annex 2, Section 8.1 of the Measurement and Calibration Ordinance.

Time synchronization

The meters mentioned here synchronize via the existing communication interface. For metrology-compliant use of the meter reading channels, the user must ensure that the meter's time is synchronized with the legal time. For the meters to be approved here, the following requirements must be met before the data telegram containing the date and time is sent:

• The M-Bus must be clear for communication.
• The Ethernet connection must be available for communication.
• Legal time must be used as the time source.

If these requirements cannot be met, the meter reading data must not be used for billing purposes.

Measurement results that may not be used for billing purposes

Measurement values for quantities other than those specified in the type examination certificate must not be used for billing purposes.

Logbook function

The meters mentioned here always have a metrological logbook that can only be deleted by bypassing the manufacturer's access security.

Hyperion

The following section describes in detail the menu items of the Hyperion energy meter relevant to load profile operation. The load profile of the Hyperion energy meter is certified to PTBA 50.7. The following specifications regarding tariff switching, time synchronization, transformer settings, and S0 pulse output apply to the LP version of the Hyperion energy meter.

Current and Voltage Transformer Ratios

These ratios determine the factor applied when measuring energy and must be set to correspond with the current and voltage transformers used. Changing the current and voltage transformer ratios is only possible via the SRVC button. The SRVC button can be secured against unauthorized access with a seal.

Real-time clock

The real-time clock displays the currently valid device time. If the meter is not automatically synchronized, we recommend setting the UTC time, as local daylight saving time is not supported. The real-time clock can be adjusted using the SRVC button. The SRVC button can be secured with a seal to prevent unauthorized access.

S0 Pulse Output

The pulse output can be switched between the following settings:

• Active energy diff: All active energy, whether consumption or supply, is output without distinction.
• Reactive Energy Diff: All reactive energy, whether purchased or supplied, is output without distinction.
• Active energy import: Only purchased active energy is output via S0. All other energy is ignored.
• Reactive Energy Import: Only purchased reactive energy is output via S0. All other energy is ignored.
• Active Energy Export: Only supplied active energy is output via S0. All other energy is ignored.
• Reactive Energy Export: Only supplied reactive energy is output via S0. All other energy is ignored. The interface outputs one electrical pulse per set energy consumption. The amount of energy can be calculated based on these pulses. The interface can be configured as follows:
• Pulse value: Set how many pulses should be output per unit of energy.
• Pulse duration: Set the duration of the pulse.

Changing the S0 pulse output settings is only possible via the SRVC button. The SRVC button can be secured against unauthorized access with a seal.

Use for billing purposes

For the LP version of the Hyperion energy meter, only active energy measurements are approved for billing purposes. These measurements can be read at any time via the meter's display or interface.

All other values shown on the display are for informational purposes only and must not be used for billing purposes. All values that are not shown on the display but can be read via an interface are also for informational purposes only and must not be used for billing purposes.

Description

The load profile functionality according to PTBA 50.7 consists of two sub-functions:

• The actual load profile memory for recording measured values. This is designed as a so-called "ring buffer," meaning that once the maximum number of entries is reached, the oldest 27 entries are overwritten. Due to technical constraints, overwriting occurs in groups of 27 entries at a time.
• The logbook memory (technical logbook) for recording changes to the parameters influencing the load profile. This logbook

cannot be altered without destroying the seal adhesive. The logged changes include:

o Change of time/date

o Change of voltage or current transformer ratio

o Change to the S0 pulse value or S0 pulse duration

Each of the above values can be changed only once per recording period. A subsequent change is possible only after the start of the next interval.

A maximum of 2048 logbook entries are available. These cannot be deleted or overwritten. If the logbook memory capacity is exhausted, the meter will enter a metrologically invalid state after another change to one of the above-mentioned parameters.

This is indicated by the "PTB NV" icon on the display. Furthermore, all subsequent load profile entries are assigned the invalid status "NG".

Recording Interval

The load profile recording interval is set to 15 minutes on the LP versions of the Hyperion energy meter and cannot be changed.

Time synchronization

Time synchronization is performed via a defined command over the meter's M-Bus/TCP-IP interface, by configuring a metrology-approved time server with the legal time, or using the buttons on the meter. Time and date information is sent to the meter in each case. Synchronization occurs immediately and, if performed via the M-Bus interface, is acknowledged by the meter with an "ACK" message. The time can only be synchronized or set once per recording period (15 min). The legal time must be set. A time change is distinguished as follows:

• Time Synchronization: Any time setting that deviates by less than 9 seconds from the previously valid time is considered normal time synchronization. In this case, the meter does not create a logbook entry.
• Time setting: If the real-time clock is set for the first time or if the deviation from the previous time is more than 9 seconds, a logbook entry is created and the current load profile is marked with "NG".

The internal buffer (power reserve) for maintaining the system time during a power outage lasts for at least 18 days (the meter must have been in operation for at least 2 hours for this to apply).

and marks all subsequent load profile entries as invalid "NG".

The messages TNV, TNS, or NTP may appear on the display. The following table shows when each message appears and what this means for the validity of the measured values:

Tariff Change

A change to the tariff in the LP version (PTB 50.7 certified) of the Hyperion energy meter is only applied at the start of a new recording period; that is, the tariff set at terminals 9–11 at that time applies from that moment until at least the start of the next recording period. Only the dual-rate tariff is available for the LP version.

The tariff is controlled via the 3 tariff inputs (terminals 9–11) on the back of the meter.

External Interface Readout

Readout via the external interface can be used for billing purposes. The interfaces transmit the same information that is displayed on the screen.

Storage capacity

The device's memory is sufficient for:

• Continuous load profile entries: 105378

With a 15-minute interval, this corresponds to a period of approximately 3 years. As soon as the last entry is made, the meter deletes the first 26 entries and starts over from the beginning in the memory register. When these 26 entries are overwritten, the next 26 entries are deleted, and so on. Thus, only the most recent 105,352 entries are available, and older entries are lost.

• Logbook entries: 2048

Any change to the converter ratio, the real-time clock, or the S0 pulse value/pulse length results in an entry. If all entries are exhausted, the Hyperion enters a metrologically invalid state in accordance with PTBA 50.7 following a subsequent change to one of the aforementioned factors and must be replaced.

14.3. POWER FAILURE AND RESTART

Power Failure

All load profile values are stored at fixed 15-minute intervals, i.e., XX:00, XX:15, XX:30, and XX:45. After a power failure, recording continues accordingly.

An example:

• Current time 07:37 => last entry was therefore made at 07:30
• Power outage until 08:12
• Next entry made at 08:15 (This entry is automatically marked as "NG")
• The entries at 07:45 and 08:00 are missing

After every power failure, the first load profile is marked as "NG." If the internal time buffer was able to maintain the clock (power reserve not depleted), all subsequent load profiles are not marked as "NG."

Restart

In rare cases, an internal restart of the meter may occur. During such a restart, the corresponding load profile is marked as "NG".

Load Profile Display

The load profile display shows the most recent entry when accessed. If all 105,378 load profile entries are ever filled, the Hyperion automatically deletes the oldest 26 entries. However, the numbering of the next saved load profile does not reset to 0. Instead, it continues from where it left off.

Example: Your Hyperion has already saved 200,000 load profiles. When you scroll through the load profile entries, you will first see load profile 200,000. However, if you go back 105,378 entries, you will jump back to load profile 200,000. The data for load profiles 194,622 has been deleted in the meantime.

The following information is displayed on the screen: 000003: Index of the displayed entry. The entries start with index 1 and can be scrolled through by pressing the "Down Arrow" button (in chronological descending order). 05/01/2021 10:45:00: Timestamp of the entry. Current date/time. This is based on the device's set time.

NG: Validity flag. A load profile entry is marked as invalid "NG" in the following situations:

If any of the described device parameters are tampered with, the corresponding recording interval is marked as invalid "NG".

The first load profile entry after the meter is started up is always invalid, as a power failure is assumed.

Entries are marked with "NG" if no new time synchronization has taken place within 2 weeks of the last time synchronization.

Valid entries are not marked. T1 / T2 00000000.0 kWh: Meter reading of the energy register per tariff. Status of the active energy register at the time the entry was created.

Imp / Exp: Switch between the consumption and supply registers. By pressing and holding (>2s) the "Down Arrow" button, you can switch between the consumption (import) and supply (export) registers.

Logbook Display

When called up, the logbook display shows the most recent entry. The following information is displayed on the screen:

In the case of a time setting

• 0003 / 2048: Index of the current entry. The entries start with index 1 and can be scrolled through by pressing the "Down Arrow" button (in chronological descending order).
• 01/01/2021 02:41:04: Time valid so far (this also corresponds to the time of the time setting).
• 01/01/2024 02:40:56: Newly set time.
• Pressing the "Down Arrow" button briefly (<1s) allows you to cycle through the saved logbook entries. The list always starts with the most recent entry.
• By pressing and holding the "Down Arrow" button for longer than 2 seconds, you can switch between the change and the meter readings at the time of the change in the logbook.

In the event of a change to a conversion factor

• 0002 / 2048: Index of the current entry. The entries start with index 1 and can be scrolled through by pressing the "Down Arrow" button (in chronological descending order).
• 01/01/2021 02:40:36: Time of change.
• VT 100:100 > 1100:100: Previous (left) and newly set (right) factor.
• Pressing the "Down Arrow" button briefly (<1s) allows you to cycle through the saved logbook entries. The list always starts with the most recent entry.
• By pressing and holding the "Down Arrow" button for longer (>2s), you can switch between the change and the meter readings at the time of the change in the logbook.

In the event of a change in pulse length

• 0004 / 2048: Index of the current entry. The entries start with index 1 and can be scrolled through by pressing the "Down Arrow" button (in chronological descending order).
• 01/01/2024 02:41:40: Time of change.
• S0 A major. 120 > 30: Previous (left) and newly set (right) factor in ms.
• Pressing the "Down Arrow" button briefly (<1s) allows you to cycle through the saved logbook entries. The list always starts with the most recent entry.

• By pressing and holding the "Down Arrow" button for longer than 2 seconds, you can switch between the change and the meter readings at the time of the change in the logbook.

In the event of a change in pulse value

• 0001 / 2048: Index of the current entry. The entries start with index 1 and can be scrolled through by pressing the "Down Arrow" button (in chronological descending order).
• 01/01/2021 01:56:50: Time of change.
• S0 I-Rat. 10 > 10000: Previous (left) and newly set (right) factor in Imp/kWh.
• Pressing the "Down Arrow" button briefly (<1s) allows you to scroll through the saved logbook entries. The list always starts with the most recent entry.
• By pressing and holding the "Down Arrow" button for longer (>2s), you can switch between the change and the meter readings at the time of the change in the logbook.

Source: Hyperion_Operating_Manual_1.0.1_EN.pdf