FIRVENA EO-MOD-IP EnOcean to Modbus-IP Gateway User Manual

: June 10, 2024
: FIRVENA

FIRVENA EO-MOD-IP EnOcean to Modbus-IP Gateway

FIRVENA-EO-MOD-IP-EnOcean-to-Modbus-IP-gateway-product

EnOcean to Modbus/IP Gateway – EO-MOD-IP User Manual V1.5

(English)

Terms and Abbreviations

Term/Abbr.	Explanation
V1.5 / 2023-03-27	The version number and date of the user manual.

Hardware Overview

The EnOcean to Modbus/IP Gateway (EO-MOD-IP) is a device that allows EnOcean devices to communicate with Modbus devices over an IP network. It has Ethernet and USB ports for communication and can support up to 100 EnOcean devices. The device has LED indicators for power, network activity, and EnOcean device activity.

Technical Data

Power supply: 24V DC ±10%
Power consumption: max. 2W
Operating temperature: -10°C to +50°C
Storage temperature: -20°C to +70°C
Humidity: 10% to 90% RH (non-condensing)
Dimensions (W x H x D): 70mm x 90mm x 60mm
Weight: approx. 200g

Safety Information and Warnings

Do not expose the device to water or moisture.
Do not use the device in areas where there is a risk of explosion.
Only use the power supply provided with the device.
Disconnect the power supply before opening the device.

Power Supply

The EO-MOD-IP requires a 24V DC power supply with a maximum power consumption of 2W. Only use the power supply provided with the device.

Configuration

To configure the EO-MOD-IP, access the device’s web interface by entering its IP address into a web browser. From there, you can configure the device’s network settings, EnOcean device mappings, and Modbus registers.

Mapping of EnOcean Devices

The EO-MOD-IP supports up to 100 EnOcean devices and allows you to map their data to specific Modbus registers. Refer to Annex A of the user manual for mapping examples.

Firmware Update

The EO-MOD-IP can be updated over the network or via USB. Refer to section 8 of the user manual for instructions.

References

Refer to Annex A of the user manual for mapping examples.

Revision History

Refer to section 2 of the user manual for the revision history.

EnOcean to Modbus/IP Gateway
EO-MOD-IP User Manual V1.5
English

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Terms and Abbreviations

Term/Abbr.

Explanation

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List of Figures and Tables

Introduction

Introduction
The EO-MOD-IP device is a gateway between EnOcean and Modbus/IP communication protocols (Fig. 1.1). The EnOcean is a set of technologies and communication protocol that enables the use of wireless and batteryless sensors, switches and actuators. The Modbus is a communication protocol that is simple to implement and is widely used in building automation systems. The EO-MOD-IP gateway can receive data from up to 40 EnOcean devices, store it and provide it through the Modbus interface to other devices connected to the network.
The first part of this manual describes the hardware of the gateway. Chapter 6 describes the Modbus interface and explains how EnOcean devices are mapped to Modbus registers. Chapter 6 contains brief instructions for configuring the gateway, especially for connecting EnOcean devices. For firmware update procedure refer to Chapter 7.3.

Fig. 1.1 Functional overview

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Hardware Overview

Hardware Overview
There is a power connector, RJ45 Ethernet connector, type B USB connector, antenna connector and LED indicators on the front panel (Fig. 2.1). The USB connector is used for configuration and firmware update, it is used by the EO- BAC Tool configuration application. The green POWER connector is removable, which simplifies device handling if wires are connected. The LEDs indicates the connection of power supply (POWER), traffic in the Modbus network (MOD RX, MOD TX), traffic in the EnOcean wireless network (ENOC), communication through the USB interface (USB) and error states (ERROR). The LEDs are useful when testing or commissioning but the light can be disruptive in normal operation, for that reason, the LEDs can be disabled (WebUI > Settings > LED Indication). See Tab. 2.1 for the meaning of individual indicators.
Fig. 2.1 Gateway overview front side
There is a switch to the right of the POWER connector that is accessible after pulling out the POWER connector (Fig. 2.2). It sets the USB interface mode:
the “HID” position (default) allows the EO-BAC Tool application to be connected the “MSC” position activates the firmware update mode (see Ch. 8.2)

Fig. 2.2 Gateway overview meaning of manual switches

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Case
Power supply DHCP
Modbus communication
EnOcean USB

LEDs
POWER POWER MOD RX MOD TX ENOC USB ERROR

Tab. 2.1 LED functions

Hardware Overview

Behavior
Shining Goes off for 1 s Short blink Short blink Short blink Flashing irregularly Flashing regularly

Meaning
Power supply connected and program running Network settings obtained from DHCP server Traffic in the Modbus network received a packet Traffic in the Modbus network sent a packet EnOcean telegram received or sent Indicates communication through the USB port A fatal error has occurred, the device is about to restart

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Technical Data

Tab. 3.1 Technical data

Guarantee

The product is warranted 24 months from the date of delivery that is mentioned on the delivery note. The manufacturer guarantees technical and operational products parameters in the range of valid documentation. The warranty period runs from personal goods acceptance by the buyer or from the transport company. Claimed products and written claims for defects are claimed by the manufacturer during warranty period. The complainant shall provide products identification, number of delivery note and defects description. The manufacturer is not responsible for defects caused by improper storage, improper external connection, damages caused by external influences especially due to unacceptable size, incorrect adjustment, improper installation, incorrect operation or normal wear and tear.

Product disposal
The product does not belong to municipal waste. The product must be disposed to the separate waste collection with the possibility of recycling, according to local regulations and legislation. The product contains electronic components.

ROHS Directive

The device is manufactured in accordance with the directive 2015/863/EU (RoHS 3) of the European Parliament and of the Council on the restriction of the use of certain hazardous substances in electrical and electronic equipment.

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5 Power Supply
There are two possible power supply connections. Power supply via PoE (Power over Ethernet):

Power Supply

Fig. 5.1 Power supply via ETHERNET connector
The device supports PoE according to the 802.3af standard. Network elements must support this type of power interface. Passive PoE is not possible through the ETHERNET input. For passive PoE power supply, we recommend to use a splitter cable with connection to the POWER input. Power supply from an external source:
Fig. 5.2 Power supply via POWER connector
The gateway must be powered from a safe voltage source that meets the requirements for input voltage range. The electrical installation must be in accordance with national requirements and safety standards.

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Configuration
6 Configuration
The gateway has a built-in web application (Web UI) that serves to configure it using a web browser. Alternatively, you can use the EO-BAC Tool application, in that case, a USB connection is required.

6.1 Accessing Web Interface

Connect the gateway to your network using the ETHERNET connector. The DHCP client is enabled by default, so the IP address and other network parameters should be obtained from the DHCP server automatically.

If DHCP fails, e.g. there is no DHCP server, the last saved network configuration is used. In this case, try to connect the gateway directly to a computer with Ethernet connector. You need to change the settings of network adapter according to the gateway. The default network configuration is:

Parameter IP address Subnet mask Default gateway

Value 192.168.1.90 255.255.255.0 192.168.1.1

Give the computer another IP address, e.g. 192.168.1.100.

When you know the IP address of the gateway, enter the IP address to the address bar of your web browser to access the WebUI.

When the gateway is connected to the network and you do not know its IP address, you need to discover it. The methods of discovering the gateway are as follows:
Discovery using UPnP
This method is recommended when using the Windows operating system, DHCP is enabled and UPnP messages are allowed in the network to which the gateway is connected.
Open the Network item in the File Explorer:

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Configuration The gateway is under the group “Other Devices”. The description and IP address of the gateway are shown. Double click on the device item to open the Web UI. [Right click > Properties] will display additional information. If the gateway is not shown, try to refresh the list: [Click on the list > press F5 key] or [Right click > Refresh].
Using EO-BAC Tool In the USB HID mode (see Ch. 2), the gateway presents itself as a Custom HID USB device. Connect the gateway to your computer using USB and use the EO-BAC Tool.
USB MSC In the USB MSC mode (see Ch. 2), the gateway presents itself as an external USB drive. Connect the gateway to your computer using USB. Find a file named NETINFO.TXT in the root directory and open it. The file contains the current IP address. To access the Web UI, enter the IP address to the address bar of your web browser.

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Configuration
DHCP server
If you have access to the local DHCP server (usually through the configuration interface of your router), the IP address should be in DHCP clients list, look for the host name “EO-MOD-IP_XXXXXX”. To access the WebUI, enter the IP address to the address bar of your web browser.

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Configuration
6.2 Web UI
This chapter is a brief guide to the use of the Web UI application.
The Web UI is used to configure the gateway. The main purpose of the application is to manage EnOcean devices connected to the gateway. The application is also a useful verification tool whereby you can evaluate whether your system works well. It allows to see the states, measured quantities, communication intervals or signal strength of the connected EnOcean devices.

Main Page Overview

Dashboard overview of configured channels 2. Toggles dashboard view:
Detailed more information, only configured channels are displayed Condensed less information, both configured and empty channels are displayed 3. Menu items: Add new device Settings Telegram log 4. Login button: Locked configuration locked and cannot be changed, only dashboard is accessible Unlocked configuration of the gateway can be changed 5. Gateway identification
The main page is accessible without a password. The default password is “123”, you can change it in [Settings > Change Password].

Fig. 6.1 Main page overview
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Configuration
6.2.2 Assigning EnOcean elements unidirectional
This teach-in procedure is only applicable for unidirectional communication when the gateway only receives data.
Let’s have a humidity sensor (A5-04-01) we want to assign to the channel 1. The procedure is as follows (see Fig. 6.2):
1. Click the “Add new” icon, a dialog box appears. 2. Push the pairing button to transmit a teach-in telegram. 3. The received telegram is displayed in the dialog box. 4. Select the channel number 1. 5. Click “Save” to confirm changes 6. Now the sensor is assigned to channel 1 and its data is available through the Modbus interface.

Fig. 6.2 Adding elements teach-in procedure
Optionally, the Label can be set for the device. The Label text is used in the Channel labels registers (see Ch. 7.2.5). If the Label field is left empty, the default text will be used.
The knowledge of EEP allows the gateway to interpret the received data correctly. Some types of EnOcean devices do not provide the EEP information in their teach-in telegram or even not have a special telegram for teach-in (e.g. buttons and switches). In that case, the EEP must be set manually, it is usually given by a label on the device or a datasheet
Devices can also by assigned manually by entering the ID and EEP see Fig. 6.3.

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Configuration

Fig. 6.3 Adding elements manually
Click on the channel box to view more settings and status information:

6.2.3 Assigning EnOcean elements bidirectional
This teach-in procedure is applicable for EnOcean devices with bidirectional communication profiles when the gateway is supposed to receive data from the device and also transmit data to the assigned device.
Let’s have a valve actuator (A5-20-01) we want to assign to the channel 1. The procedure is as follows (see Fig. 6.4):
1. Click the “Add new” icon, a dialog box appears. 2. Check “LRN enable” 3. Select the channel number 1.
Channel 1 is now in the teach-in mode.
4. Push the pairing button to transmit a teach-in telegram from the actuator. 5. Gateway receives the telegram and sends a teach-in response. 6. The device is automatically saved to the selected channel and its data is available through the
Modbus interface.
To change the Label, enter the new text and click “Save”.
Notes: The device being assigned usually signals successful teach-in, e.g. by flashing LED. If it signals an error, the teach-in must be repeated.

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Configuration

Fig. 6.4 Adding elements bidirectional teach-in procedure
6.2.4 Assigning Smart ACK devices
To assign a Smart ACK device to the gateway, the procedure is the same as for bidirectional profiles (6.2.3). Repeaters are not supported, there must be a direct connection between the gateway and the Smart ACK device.
6.2.5 Definition of Virtual Device
The gateway can be used to simulate a real EnOcean device. This function is necessary when controlling actuators that do not implement any bidirectional profile, typically some types of relay switches.
For example, we want to control a relay switch that supports reception of a Door/Window Contact D500-01. The procedure is as follows.
First, define a virtual device of type D5-00-01, for example at channel 1 (see Fig. 6.5):
1. Click the “Add new” icon, a dialog box appears. 2. Check “Simulate device” 3. Select a channel number (channel 1) 4. Select the type of device (D5-00-01) 5. Click “Save” to confirm changes 6. The device is saved to the selected channel and its data is available through the Modbus
interface.
Second, pair the virtual device with the relay switch:
1. Click on the channel 1 box to see channel details (Fig. 6.6) 2. Put the relay switch to the pairing mode (follow the procedure given by the manufacturer of
the switch) 3. In channel details click on the “Send LRN” button 4. The gateway will transmit a teach-in telegram of the virtual device 5. The switch will receive the teach-in telegram and save the virtual device
Third, test the connection:

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1. Navigate to [Edit channel > Values] 2. Set the data to be transmitted (0:closed or 1:open) 3. Use “Send Now” to transmit a data telegram
Notes: Each virtual device must have a unique ID, this is given by the MyID setting. To enable receiving the actual state of the switch, assign it to a different channel.

Configuration

Fig. 6.5 Adding elements virtual device

Fig. 6.6 Virtual device send teach-in telegram

6.2.6 Channel Details

When you click on the channel box, the “Edit channel” view is shown. There are three tabs:

1. Settings configuration of the channel 2. Values actual data of the assigned device 3. History short history of the first three RX values

In the channel box, the first three RX values are displayed. To view all actual data of the assigned device, open the “Values” tab see Fig. 6.7. Here you can find:

1. Address of the Modbus register 2. Value name and range info 3. Actual data

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Configuration 4. Actual data encoded to registers For bidirectional EEPs and virtual devices, TX data can also be entered and sent using this view.

3. 4.

Fig. 6.7 Channel details Values tab
6.2.7 Removing EnOcean elements 1. Click on a channel box. 2. Click on the “Delete” button.

To remove all elements, use [Settings > Factory Reset > Reset Channels].
6.2.8 Backup and Restore
The configuration of the gateway can be exported to a file for later recovery or reuse. The backup file is compatible with the file used by EO-BAC Tool application. To back up the configuration:
1. Navigate to [Settings > Backup and Restore]. 2. Click on Download. 3. A file named config.json is downloaded.
To restore the configuration: 1. Navigate to [Settings > Backup and Restore]. 2. Select a file or drag it to the dashed rectangle. 3. Click on Upload.
Notes: Only channels are restored, the “Gateway Settings” are preserved.

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Modbus Interface
7 Modbus Interface
The gateway is a Modbus TCP/IP server, it processes requests sent by clients. By default, the Modbus server listens on TCP port 502 and UDP port 502 (there is a limit of four simultaneous TCP connections). Each Modbus server may provide different services, which are identified by function codes in Modbus. The definitions of standard services are described by the application layer specification see [7], for more information about Modbus over TCP/IP see [8].
This chapter describes how the data of EnOcean devices is translated into the Modbus data model and how this data can be accessed by standard function codes. A complete list of Modbus registers is also available.
7.1 Mapping of EnOcean Devices
EnOcean devices are mapped as a set of Modbus registers. The gateway can handle up to 40 EnOcean devices. To assign an EnOcean device, the teach-in procedure has to be carried out (see Ch. 6.2). The assigned EnOcean devices are identified by Channel (CH1…40) within the gateway, the Channel is selected by user during teach-in procedure.
Data fields received in a telegram are divided into individual Modbus registers so that they can be accessed using Modbus standard functions from the network see Fig. 7.1. The gateway contains a database of supported EnOcean products, the meaning of individual data registers depends on the type of EnOcean device (EEP) that is assigned to the channel during teach-in procedure.

Fig. 7.1 Conversion of data
Three types of data fields are distinguished:
Numeric value: usually a measured physical quantity such as temperature, humidity, etc. Enumeration: defined as a list of items that express a state or configuration of the device Boolean: two-state enumeration whose items can be interpreted as true/false, such as on/off,
enabled/disabled, open/closed, etc.
In addition, two directions are distinguished:

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Modbus Interface

RX: data received by the gateway (incoming telegrams) TX: data transmitted by the gateway (outgoing telegrams)
The data fields are stored internally as Values. The Values are identified by Value index, 15 Values is reserved per channel (indexes 0 to 14) see Fig. 7.2 and Fig. 7.3.
The Values from Telegram data range represent a model of EnOcean telegram. For simple devices (such as sensors with unidirectional communication) the model of telegram can also be assumed to be a model of EnOcean device. Some more complex EEP definitions consist of several types of telegrams that represent different commands, so the device cannot be described by a single telegram. Special mapping is created for these devices.
For direction “RX”, all used Values are mapped to RX Values registers (starting at address 0). For direction “TX” all used Values are mapped to TX Values registers (starting at address 1000). If the channel is not occupied the associated Value registers are zeroed.
The mapped data fields from EnOcean telegram are indexed in the same order as they appear in the EEP definition see [3].
Besides the data values, there are also helper values for each channel that provide status information see Tab. 7.1.

Tab. 7.1 Helper values

Index RX
15

Name
Telegram counter

16 Telegram age

17 Signal
18 reserved 19 Error TX
Telegram 15
counter
16 Telegram age
17 Send option 18 reserved

Meaning
Number of received telegrams Time elapsed since the last telegram Signal strength (RSSI value measured by the EnOcean transceiver) Enumeration of channel state and error codes
Number of sent telegrams Time elapsed since the last telegram Data transmission control

Value Range
0…65535 (overflows to zero) 0…65000 s (65535: no telegram, 65001: range exceeded) 0…255 dBm
See Tab. 7.4
0…65535 (overflows to zero) 0…65000 s (65535: no telegram, 65001: range exceeded) See Tab. 7.6

Examples of mapping for individual EnOcean devices can be found in ANNEX A.

Fig. 7.2 Values
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Modbus Interface

Register

Value 1 0 Temperature

Value 2 1

Value 3 2

Value 4 3

Value 5 4

CH1

…

Value 16 15

… T. Counter

A5-02-05 Temperature Sensors, Temperature Sensor Range 0°C to +40°C

Value 17 16

T. Age

Value 18 17

Signal

Value 19 18

Value 20 19

Error

Value 1 0 Humidity

Value 2 1 Concentration

Value 3 2 Temperature

Value 4 3

Value 5 4

CH2

…

Value 16 15

Value 17 16

H-Sensor T-Sensor
… T. Counter
T. Age

A5-09-04 Gas Sensor, CO2 Sensor

Value 18 17

Signal

Value 19 18

Value 20 19

Error

…

Value 1 0

Value 2 1

Value 3 2

Value 4 3

Value 5 4

CH40

…

Value 16 15

Value 17 16

Value 18 17

Value 19 18

Value 20 19

Power Fail Divisor
Channel 1 Channel 2 Channel 3
… T. Counter
T. Age Signal

D2-32-02 A.C. Current Clamp, 3 channels

Error Fig. 7.3 Mapping of EnOcean devices

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Modbus Interface
7.2 Modbus Registers
The registers are divided into several areas according to their use. All registers can be read by Modbus function 3 or 4. Readonly registers are marked as “R”, writable registers are marked as “R/W”. “P” marks persistent (non- volatile) registers whose values are retained when the gateway is turned off.

Tab. 7.2 Register map

Area name RX Values Reserved TX Values Reserved RX Raw data Reserved Channel config Reserved Channel labels Reserved Value descriptors Reserved

Address range 0…799
1000…1799
2000…2799
4000…4399
10000…13999
20000… 32000

Access R R/W R R, P R, P R, P

Description Last received telegram values extracted from raw data
Telegram to send values are built into raw data
Last received telegram raw data as received in telegram
Channel configuration (i.e. assignment of EnOcean device)
User defined descriptions for channels
Description of values (e.g. type, unit, multiplier, range)

Channel
CH1 CH2 … CH40
CH1 CH2 … CH40
CH1 CH2 … CH40
CH1 CH2 … CH40
CH1 CH2 … CH40
CH1 CH2 … CH40

Base address 0 20
780
1000 1020
1780
2000 2020
2780
4000 4010
4390
10000 10100
13900
20000 20300
31700

7.2.1 RX Values
20 registers are reserved for each channel. When the gateway receives a data telegram from a device that is assigned to a channel, it uses the database of supported devices to convert the data contents into RX Values. The received data fields are stored in registers from V1 up. The number of data fields depends on the type of EnOcean device, which is specified during the commissioning phase. For devices that use the EEP protocol, the device type is given by RORG, FUNC and TYPE (see [2][1]).

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Address = BaseAddress + Offset BaseAddress = 0 + 20 (ChannelNumber – 1)

Modbus Interface

Tab. 7.3 RX Values

Group Values
Status

Offset 0 1 2 3 … 14 15 16
17
18 19

Access R R R R R R R R
R
R R

Name V1 V2 V3 V4
V15 Telegram counter Telegram age
Signal
Reserved Error

Description Value 1 Value 2 Value 3 Value 4
Value 15 Number of received telegrams Time elapsed since the last telegram Signal strength (RSSI value measured by the EnOcean transceiver)
Enumeration of channel state and error codes

Value range
Depends on device type
0…65535 (overflows to zero) 0…65000 s (65535: no telegram, 65001: range exceeded) 0…255 dBm (decimal value without minus)
See Tab. 7.4

Tab. 7.4 RX Values Error register

Error register Value 0 OK 1 ASSIGNED 3 NOT SUPPORTED 7 TIMEOUT 255 FREE

Meaning Telegram OK, data has been stored in Values Device assigned, waiting for the first data telegram Device assigned, unsupported device type, data cannot be converted to Values 120 minutes without a telegram received The channel is not configured, no device assigned

7.2.2 TX Values
20 registers are reserved for each channel. When the send condition is true, the gateway uses the database of supported devices to convert the TX Values into the raw data contents and sends a data telegram. The data fields to send are stored in registers from V1 up. The number of data fields depends on the type of EnOcean device, which is specified during the commissioning phase. For devices that use the EEP protocol, the device type is given by RORG, FUNC and TYPE (see [2]).
The registers can be set individually by the function 6 or all at once by function 16. It is possible to set more channels using a single request, the starting address must be the base address of the first channel being written, unused and readonly registers can be set to any value in the request.
Address = BaseAddress + Offset BaseAddress = 0 + 20 (ChannelNumber – 1)

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Modbus Interface

Tab. 7.5 TX Values

Group Values
Status

Offset 0 1 2 3 … 14 15
16
17 18 19

Access R/W R/W R/W R/W R/W R/W R
R
R/W R R

Name V1 V2 V3 V4
V15 Telegram counter
Telegram age
Send option Reserved Reserved

Description Value 1 Value 2 Value 3 Value 4
Value 15 Number of sent telegrams Time elapsed since the last telegram Data transmission control

Value range
Depends on device type
0…65535 (overflows to zero) 0…65000 s (65535: no telegram, 65001: range exceeded) See Tab. 7.6

Tab. 7.6 TX Values Send option register

Send option register

Value

Meaning

0 NotChange

Writing this value has no effect, the send option will not change

1 None (default) Transmitting disabled

2 SendNow

Transmit once immediately, the send option will not change

3 OnReceived Automatic response when telegram received from the assigned device (default for A5-20-01, etc.)

4…10

Reserved

11 OnWriteV1 Transmit when register V1 written1)

…

25 OnWriteV15 Transmit when register V15 written

26 OnWriteAny Transmit when any register V1…V15 written

When using function 16, the telegram is sent after all registers updated.

7.2.3 RX Raw Data

20 registers are reserved for each channel. These registers contain the payload bytes of the last received telegram. The length of the data varies depending on the telegram type, which is identified by the RORG byte (see [2][1]>Ch.3). In most cases, it is not necessary to use these registers and Value registers should be used instead.
Address = BaseAddress + Offset BaseAddress = 2000 + 20 (ChannelNumber – 1)

Tab. 7.7 Raw data RPS, 1BS

Offset 0 1 2 3…19

Access R R R

Name RORG DB_0 Status Reserved

Description RORG byte Data byte 0 ERP1 Status byte

Value range 0xF6: RPS, 0xD5: 1BS 0…0xFF Bits 3…0: Repeater count

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Modbus Interface

Tab. 7.8 Raw data 4BS

Offset 0 1 2 3 4 5 6…19

Access R R R R R R

Name RORG DB_3 DB_2 DB_1 DB_0 Status Reserved

Description RORG byte Data byte 3 Data byte 2 Data byte 1 Data byte 0 ERP1 Status byte

Value range 0xA5: 4BS 0…0xFF 0…0xFF 0…0xFF 0…0xFF Bits 3…0: Repeater count

Tab. 7.9 Raw data VLD, MSC

Offset 0 1
2…8

Type UINT8 UINT8
UINT8[14]

Access R R
R

Name RORG Data length (N)
Data

Description RORG byte Number of bytes in the Data array
Data bytes DB_(N1)…DB_0

Value range 0xD2: VLD, 0xD1: MSC 1…14 HI: DB(N1); LO: DB(N2)1) … HI: DB_3; LO: DB_2 HI: DB_1; LO: DB_0

9

UINT8

R

10…19

Status Reserved

ERP1 Status byte

Bits 3…0: Repeater count

HI is the high byte of the register (bits 15…8), LO is the low byte of the register (bits 7…0).

7.2.4 Channel Config
10 registers are reserved for each channel. Sender ID identifies the EnOcean device that the channel is listening to. The EEP identifies the type of the device and is needed for conversion of raw data to Values.
Address = BaseAddress + Offset BaseAddress = 4000 + 10 (ChannelNumber – 1)

Tab. 7.10 Channel config

Group ID EEP

Offset Bits 15…8
0 Bits 7…0 Bits 15…8
1 Bits 7…0
2 3 4 5…9

Access R, P R, P R, P R, P R, P R, P R, P

Name ID3 ID2 ID1 ID0 RORG FUNC TYPE Reserved

Description Sender ID_3 (MSB) Sender ID_2 Sender ID_1 Sender ID_0 (LSB)

Value range 0…0xFF 0…0xFF 0…0xFF 0…0xFF 0…0xFF 0…0xFF 0…0xFF

Default 0xFF 0xFF 0xFF 0xFF 0x00 0x00 0x00

7.2.5 Channel Labels
100 registers are reserved for each channel. The channel label is designed to store text information, it can be a user friendly name that helps to identify the data or EnOcean device. The maximum size of

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Modbus Interface

Label is 126 bytes. The UTF-8 encoding is used because it is compatible with ASCII encoding, ASCII characters (Unicode 0x0000 to 0x007F) are encoded into one byte in UTF-8 (0x00 to 0x7F).
Address = BaseAddress + Offset BaseAddress = 10000 + 100 (ChannelNumber – 1)

Offset Type

0

UINT8

1

UINT8

Tab. 7.11 Channel labels

Access R, P
R, P

Name Encoding Label length (N)

Description Character encoding of Label Number of bytes in the Label array

2…64 UINT8[126] R, P Label

Array of bytes b0…b(N1)

Value range 0: UTF-8

Default 0: UTF-8

0…126

HI: b0; LO: b1

HI: b2; LO: b3

…

HI: b(N2); LO: b(N1)

65…99

Reserved

Default label is “{EEP} {Title} (SenderID)”, e.g. “A5-02-05 Temperature Sensors, Temperature Sensor Range 0°C to +40°C (05-0C-54-74)”

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Modbus Interface

7.2.6 Value Descriptors
Address = BaseAddress + Offset BaseAddress = 20000 + 300 (ChannelNumber – 1)

Tab. 7.12 Value descriptors

Group
Value 1 RX
Value 2 … Value 15 Value 1 TX Value 2 … Value 15

Offset 0
1
2 3
4
5 6…9 10…19
140…149 150 … 160…169
290…299

Access R R R R R R
R

Name Value ID Type Min Max Step Unit
Value ID

Description e.g. 3704 -> Channel 37, Value 4
Type of the value
Minimum valid value Maximum valid value Conversion of register value: Value = Register Step Unit of measurement Reserved
e.g. 13704 -> TX, Channel 37, Value 4

Value range 100…4000 0:none; 1:UINT16; 2:INT16; 3:UINT32_MSB 4:UINT32_LSB
1:1; 2:0.1; 3:0.01; 4:0.001; See below
10100…14000

Type 0:none means that the corresponding Value register is unused.

Conversion example for temperature -10…30 °C stored in register RX.CH37.V1. Descriptors are as follows:

Group

Offset Access Name Dec (s16)

0

R

1

R

2

R

RX Value 1 3

R

4

R

5

R

6…9

Value ID Type Min Max Step Unit

3701 2 -100 300 2 62

Value of register is interpreted as follows:

Hex (u16)
0x0E75 0x0002 0xFF9C 0x012C 0x0002 0x005F

Interpreted value
INT16 -10°C 30°C 0.1 °C

Dec (s16) 227 -51

Hex (u16) 0x00E3 0xFFCD

Interpreted value Register Step = 22.7°C Register Step = -5.1°C

Codes for units are listed in ANNEX B (compatible with BACnetEngineeringUnits enumeration).

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Modbus Interface

7.3 Supported Function Codes
According to the application layer specification, a client can read a maximum of 125 registers and write a maximum of 123 registers in a single request.
Inside the defined areas (Tab. 7.2), the server allows reading any register, it returns zeros for unused registers. Outside these areas, all requests ends with exception code 02.

Code 3 (0x03) 6 (0x06) 16 (0x10)

Tab. 7.13 Supported function codes

Name Read Holding Registers Write Single Register Write Multiple Registers

Description Reads a continuous block of registers starting at a given address. Zero values are returned for unused registers within a defined area. Writes any writable register. Writes a block of writable registers, behaviour may differ depending on the area.

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Firmware Update
8 Firmware Update
The firmware is constantly being improved and extended to support new features and EnOcean devices. The actual version of the firmware is available for download on the FIRVENA website.
8.1 Over Network
Open the Web UI and navigate to [Settings > Firmware Update]:
BIN
Select a file or drag it to the dashed rectangle and click on “Upload”. When the uploading is done, the gateway reboots and the connection is lost:
Gateway checks the file and overwrites the current firmware with the new one. The connection should be resumed within several minutes.

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8.2 Over USB
The number of firmware version can be determined using the EO-BAC Tool:

Firmware Update

To update firmware in the gateway:
Unplug the POWER connector Set the left switch to the “MSC” position Connect the gateway to a computer using a USB cable with type B connector The device appears as an external disk, copy the new firmware file to the disk

Set the left switch back to the “HID” position, the gateway reboots Now, the gateway checks the file and overwrites the current firmware with the new one The result is indicated by LEDs Disconnect the USB cable and plug the POWER connector back

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References
References
[1] EnOcean Technical Specifications (https://www.enocean- alliance.org/specifications/)
[2] EnOcean Equipment Profiles (https://www.enocean-alliance.org/wp- content/uploads/2020/07/EnOcean-EquipmentProfiles-3-1.pdf)
[3] Communication telegrams defined in EnOcean equipment profiles (http://tools.enocean-alliance.org/EEPViewer/)
[4] Smart Acknowledge Bidirectional communication with energy harvesting devices (https://www.enocean- alliance.org/wpcontent/uploads/2020/04/SmartAcknowledge_Specification_v1.7.pdf)
[5] EnOcean Unique Radio Identifier EURID Specification (https://www .enocean-alliance.org/wp-content/uploads/2021/03/EURID-v1.2.pdf)
[6] Modbus Protocol Specifications and Implementation Guides: https://modbus.org/specs.php
[7] Modbus Application Protocol Specification: https://modbus.org/docs/Modbus_Application_Protocol_V1_1b3.pdf
[8] Modbus TCP/IP Implementation Guide: https://modbus.org/docs/Modbus_Messaging_Implementation_Guide_V1_0b.pdf

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Revision History

Date 2022-04-01 2022-08-05

Version V1.0 V1.1

2022-11-01

V1.2

2022-12-14

V1.3

2023-01-23

V1.4

2023-03-24

V1.5

Revision History
Description
Initial release Added bidirectional communication Added Ch. 6.2.5 Updated figures Updated ANNEX A Chapters rearranged Added Ch. 4, 5 Extended ANNEX A (D2-01-XX) Updated figures Revised Ch. 6, 7 (Configuration, Modbus Interface) Added description of Edit channel view (Ch. 6.2.6) Added description of LED functions (Ch. 2)

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Mapping examples of EnOcean devices

ANNEX A Mapping examples of EnOcean devices

A.1 Basic Examples

RX Values:

Ch. Device A5-02-05
1

Register Value Name 0 Temperature
15 Telegram counter 16 Telegram age 17 Signal

Range 0…40 °C
0…65535 0…65000 s 0…255dBm

Value 22.4°C

Dec Hex 224 0x00E0

12

12 0x000C

252s 252 0x00FC

49dBm 49 0x0031

2

00-00-00

19 Error

20 None

…

34 None

35 Telegram counter

36 Telegram age

37 Signal

0…65535 0…65000 s 0…255dBm

0 (OK) 0 … 0 0
65535 0

… D5-00-01
32

39 Error

620 Contact
635 Telegram counter 636 Telegram age 637 Signal

0:open, 1:closed
0…65535 0…65000 s 0…255dBm

255 (FREE)
1
50 10s 58dBm

…

39

00-00-00

A5-09-04 40

639 Error

0 (OK)

780 Humidity 781 Concentration 782 Temperature 783 H-Sensor 784 T-Sensor
795 Telegram counter 796 Telegram age 797 Signal

0…100 % 0…2550 ppm 0…51 °C 0:Not available, 1:Available 0:Not available, 1:Available

45% 1451ppm
23.2°C 1 1

450 1451 232

0x01C2 0x05AB 0x00E8

0…65535 0…65000 s 0…255dBm

50 10s 52dBm

7999 Error

0 (OK)

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Mapping examples of EnOcean devices

A.2 RPS Buttons and Switches

The following example applies to F6-02-01, F6-02-02, F6-02-03 and F6-02-04

Ch. Device F6-02-02
1

Register 0 1 2 3 4 5

Value Name BI B0 AI A0 Rocker B Rocker A

Range 0:released, 1:pressed 0:released, 1:pressed 0:released, 1:pressed 0:released, 1:pressed -1:null, 0:off, 1:on -1:null, 0:off, 1:on

Value 1 0 0 0 1 0

Dec Hex

2

00-00-00

…

V4 and V5 remember the rocker state for channel A and B, this is out of the EEP definition. Rocker B goes 1:on when BI was pressed, Rocker B goes 0:off when B0 was pressed. When no telegram has been received yet, rocker has the initial value -1:null.

A.3 A5-20-01 HVAC Components, Battery Powered Actuator

The actuator wakes up periodically, transmits the actual value and waits for a response with a new setpoint, which must be sent within 1 second. The response is built from TX Values registers. The response also contains other settings, e.g. Set point type selection, Set point inverse, Summer mode, Service mode.

Direction RX (from actuator):

Ch. Device
A5-20-01 1

Register 0 1 2 3 4 5 6
7
8 9

Value Name Current Value Service On Energy input enabled Energy Storage Battery capacity Contact, cover open Failure temperature sensor, out off range Detection, window open Actuator obstructed Temperature

Range 0…100 % 1:on 1:true 1:true 0:true 1:true 1:true
1:true
1:true 0…40 °C

Value 25% 0 0 1 1 0
0

Dec Hex 25 0x0019
0 0x0000 0 0x0000 1 0x0001 1 0x0001 0 0x0000
0 0x0000

0

0 0x0000

0

0 0x0000

22.59°C 226 0x00E2

2

00-00-00

…

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Direction TX (to actuator):

Ch. Device 1 A5-20-01

Register 1000
1001 1002 1003 1004

Value Name Valve position or Temperature Setpoint Temperature from RCU Summer mode Setpoint selection Set point inverse

Range 0…100 %
0…40 °C 0…1 0…1 0…1

Mapping examples of EnOcean devices

Value
25%
0°C 0 0 0

Dec Hex
25 0x0019
0 0x0000 0 0x0000 0 0x0000 0 0x0000

2 00-00-00 …

SEND

3 (OnReceive)

A.4 D2-01-XX Electronic switches and dimmers with Energy Measurement and Local Control
Device types from the D2-01-XX group share the same telegram definitions see the profile D2-01-00 (http://tools.enocean- alliance.org/EEPViewer/profiles/D2/01/00/D2-01-00.pdf). There are several messages distinguished by the Command ID data field. Each type supports only certain commands and functions, e.g. type 0x02 has one dimmable output, type 0x12 has two relay outputs without dimming function or type 0x0B supports energy and power measurements.
The gateway creates a universal interface for all device types from the D2-01-XX group, regardless of the features supported by a particular type.

A.4.1 Example with NodOn Micro Smart Plug (D2-01-0E) Measurements This actuator has one output channel and supports energy and power measurements.
Incoming data Registers 1…6 contains data from the status message CMD 4, registers 7…10 from the measurement message CMD 7. The register 0 indicates which CMD was received last.

CMD4 status CMD7 measurement The most important is CMD4 -> Output value, which indicates the ON/OFF state of the actuator.

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Mapping examples of EnOcean devices Outgoing data It is possible to transmit different commands. The command is switched by the Command ID value, which is always at the first position (register 1000). The meaning of the values from register 1001 up depends on the Command ID. The default command is CMD1.
CMD1 set output

The most important is CMD 1, which is used to switch ON/OFF the output (0% => OFF; 100% => ON). The Output value in percent and Dim value is only applicable to devices with the dimming feature supported. The value 127% corresponds to 0x7F: Output value not valid / not applicable. Setting up the measurement through Modbus interface in Web UI
1. Go to Edit channel -> Values 2. Set Command ID (register 1000) to CMD 5 Set Measurement 3. Confirm “Apply” 4. The UI gets updated:
CMD5 set measurement

5. Enter inputs, there are several parameters according to the EEP specification. 6. “Send Now” will transmit the telegram to the actuator.
The type D2-01-0E supports measurement report on query (CMD 6) or automatic reporting based on the configuration sent in the CMD 5.
The power and energy measurements are configured and reported separately, determined by CMD 5 -> Measurement mode and Unit; CMD 4 -> Unit.

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Mapping examples of EnOcean devices
The measured value is 4 byte in size, split into two 16-bit values (Measurement value = 256 * MSB + LSB), the physical unit is indicated by the Unit value.

A.4.2 Example with NodOn Relay Switch (D2-01-12) Controlling the output
This actuator has two output channels, the example shows switching ON of the second channel. TX data are first prepared by writing into the TX data registers, then the control telegram (CMD1 Set output) is sent by writing Send option = 2:SendNow. The actuator returns a status message (CMD4 Status response), the message says the channel 2 (numbered from zero) is ON.

The Send option can also be configured so that the gateway sends when Output value is written (Send option = 13:OnWriteV2).

Dim value is not supported by this type and is ignored. Direction TX (to actuator):

Ch. Device

Register 1000 1002 1003

Value Name Command ID I/O channel Output value

1 D2-01-12 1001

Dim value

Range 1:Set Output;2:Set Local; … 0…31
0…127 %
0:Switch to output value;1:Dim to output value timer 1; …

Value 1 1
100%
0

Dec Hex 1 0x0001 1 0x0001
100 0x0064
0 0x0000

1017 SEND

2 00-00-00 …

Direction RX (from actuator):

Ch. Device

Register Value Name

D2-01-12 0

Command ID

1

2

…

2

00-00-00

…

I/O channel Output value Other values

Send option for Device1

2

2 0x0002

(SendNow)

Range 4:Status Response; 7:Measurement Response; 0…31 0…127 %

Value Dec Hex

4

4 0x0004

1

1 0x0001

100% 100 0x0064

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Mapping examples of EnOcean devices
A.5 D2-11-XX Bidirectional Room Operating Panel (Smart ACK)
What is Smart ACK?
EnOcean sensors are in sleep mode most of the time to reduce power consumption, so they cannot receive any telegram. The Smart ACK protocol enables bidirectional communication with energy selfsufficient devices. For example, Room Operating Panels D2-11-XX utilize the Smart ACK communication to receive data, which is used to show symbols on the display or override some parameters.
The Smart ACK protocol is described in [4]. When a message is sent to a Smart ACK Sensor, a device called “Post Master” stores it in a “Mailbox” until the sensor is ready to receive telegrams. When the sensor wakes up, it checks the Mailbox. The Post Master sends the message buffered in the Mailbox or Mailbox Empty message if the Mailbox is empty. The sensor receives the response from Post Master and returns to sleep mode. The Mailbox is established in Post Master during teach-in process.
The gateway does not support repeaters, there must be a direct connection between the gateway and the Smart ACK device, i.e. Post Master and Mailbox are located in the gateway.

A.5.1 Example with Thermokon SR06 LCD (D2-11-07)

Direction RX (from sensor):

The sensor sends two types of messages, ID 0 or ID 2. When Message ID is 0, only Set Point Type is valid, other values should be ignored.

Communication is initiated by the sensor on heartbeat (default 1000 s), change of measured value or button press (parameter change), which is indicated by TelegramType.

Ch. Device

Register Value Name

0

Set Setpoint type

D2-11-07 1

1

Telegram Type

2

Message ID

3

Temperature

4

Humidity

5

Setpoint offset

6

Basesetpoint

7

Valid temperature

correction

8

Fan speed

9

Occupancy state

Range
0:Temperature correction;1:Temperature setpoint
0:Heartbeat;1:Change of temperature or humidity value;2:User caused parameter change
0:ID-0;2:ID-2
0…40 °C 0…100 %
0…255
15…30 °C 1:-1…1K;2:-2…2K;3:3…3K;4:-4…4K;5:-5…5K;6:6…6K;7:-7…7K;8:-8…8K;9:9…9K;10:-10…10K
0:Auto;1:Speed 0;2:Speed 1;3:Speed 2;4:Speed 3;7:Not available
0:State Unoccupied;1:State Occupied

Value Dec Hex

1

1 0x0001

2

2 0x0002

2

2 0x0002

23.84°C 238 0x00EE

0%

0 0x0000

170 170 0x00AA

21°C 21 0x0015

3

3 0x0003

7

7 0x0007

0

0 0x0000

2

00-00-00

…

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Mapping examples of EnOcean devices

Direction TX (to sensor):

The gateway responds with message ID 1. Settings are changed by writing these values and SendOption = 2:SendNow, changes will apply next time the sensor wakes up. Without a response, the sensor uses the last settings.

SetPointType, TemperatureCorrection, BaseSetpoint and ValidTemperatureCorrection must be mirrored from RX data if no change is required.

Ch. Device

Register Value Name 1000 Set Setpoint type

1001 Display heating symbol

1002 Display cooling symbol

1 D2-11-07

1003
1004 1005 1006

Display window open symbol
Message ID Temperature correction Basesetpoint

1007

Valid temperature correction

1008 Fan speed 1009 Occupancy state

Range
0:Temperature correction;1:Temperature setpoint
0:Heating symbol off;1:Heating symbol on
0:Cooling symbol off;1:Cooling symbol on
0:Window open symbol off;1:Window open symbol on
1:ID-1
0…255
15…30 °C 1:-1…1K;2:-2…2K;3:-3…3K;4:4…4K;5:-5…5K;6:-6…6K;7:7…7K;8:-8…8K;9:-9…9K;10:10…10K
0:Auto;1:Speed 0;2:Speed 1;3:Speed 2;4:Speed 3;7:Not available
0:State Unoccupied;1:State Occupied

Value 1 0 0 1 1
128 21°C
3
0 0

Dec Hex 1 0x0001 0 0x0000 0 0x0000 1 0x0001 1 0x0001
128 0x0080 21 0x0015 3 0x0003
0 0x0000 0 0x0000

2 00-00-00 …

1017 SEND

2 2 0x0002
(SendNow)

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Mapping examples of EnOcean devices

A.6 D2-15-00 People Activity Sensor

Ch. Device D2-15-00
1

Register Value Name

0

Presence

1

Energy Storage

Status

2

Pir Update Rate

3

Pir Counter

4

Activity

Range
0:Present;1:Not Present;2:Not detectable;3:Presence Detector error

Value 0

0:High;1:Medium;2:Low;3:Critical

0

1…16 s 0…65535 0…100 %

1s 7568 52%

Dec Hex 0 0x0000

0 0x0000

1 7568
52

0x0001 0x1D90 0x0034

2

00-00-00

…

The Activity is computed by gateway based on two subsequent values of the Pir Counter. When the Pir Update Rate is 1s and the sensor transmits data every 2 minutes, 100% corresponds to the Pir Counter increment of 120.

[%]

=

( – ) [] [] – []

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ANNEX B Enumeration of Units

/000/”m2″, /001/”ft2″, /002/”mA”, /003/”A”, /004/”Ohm”, /005/”V”, /006/”kV”, /007/”MV”, /008/”VA”, /009/”kVA”, /010/”MVA”, /011/”var”, /012/”kvar”, /013/”Mvar”, /014/”°”, /015/”[?]”, /016/”J”, /017/”kJ”, /018/”Wh”, /019/”kWh”, /020/”Btu”, /021/”UK”, /022/”th”, /023/”J/kg”, /024/”[?]”, /025/”cph”, /026/”cpm”, /027/”Hz”, /028/”g/kg”, /029/”% rh”, /030/”mm”, /031/”mm”, /032/”Inch”, /033/”[?]”, /034/”w/f2″, /035/”[?]”, /036/”lm”, /037/”lx”, /038/”fc”, /039/”kg”, /040/”[?]”, /041/”t”, /042/”kg/s”, /043/”kg/min”, /044/”kg/h”, /045/”[?]”, /046/”[?]”, /047/”W”, /048/”kW”, /049/”MW”, /050/”Btu/h”, /051/”hp”, /052/”[?]”, /053/”Pa”, /054/”kPa”, /055/”Bar”, /056/”[?]”, /057/”[?]”, /058/”[?]”, /059/”[?]”, /060/”[?]”, /061/”[?]”, /062/”°C”, /063/”K”, /064/”°F”, /065/”[?]”, /066/”[?]”, /067/”Year”, /068/”Month”, /069/”week”, /070/”Day”,

/071/”h”, /072/”m”, /073/”s”, /074/”m/s”, /075/”km/h”, /076/”ft/s”, /077/”ft/min”, /078/”[?]”, /079/”[?]”, /080/”[?]”, /081/”[?]”, /082/”l”, /083/”[?]”, /084/”[?]”, /085/”m3/s”, /086/”[?]”, /087/”l/s”, /088/”l/min”, /089/”[?]”, /090/”°”, /091/”°C/h”, /092/”°C/min”, /093/”[?]”, /094/”[?]”, /095/””, /096/”ppm”, /097/”ppb”, /98/”%”, /99/”%/s”, /100/”[?]”, /101/”[?]”, /102/”[?]”, /103/”rad”, /104/”[?]”, /105/”[?]”, /106/”[?]”, /107/”[?]”, /108/”[?]”, /109/”[?]”, /110/”[?]”, /111/”[?]”, /112/”[?]”, /113/”[?]”, /114/”[?]”, /115/”inch2″, /116/”cm2″, /117/”[?]”, /118/”cm”, /119/”[?]”, /120/”[?]”, /121/”°K”, /122/”kOhm”, /123/”MOhm”, /124/”mV”, /125/”kJ/kg”, /126/”MJ”, /127/”[?]”, /128/”[?]”, /129/”kHz”, /130/”MHz”, /131/”[?]”, /132/”mW”, /133/”hPa”, /134/”mBar”, /135/”m3/h”, /136/”l/h”, /137/”[?]”, /138/”[?]”, /139/”[?]”, /140/”[?]”, /141/”[?]”,

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/142/”[?]”, /143/”[?]”, /144/”[?]”, /145/”mOhm”, /146/”MWh”, /147/”kBtu”, /148/”[?]”, /149/”[?]”, /150/”[?]”, /151/”[?]”, /152/”[?]”, /153/”N”, /154/”g/s”, /155/”g/min”, /156/”t/h”, /157/”[?]”, /158/”[?]”, /159/”ms”, /160/”Nm”, /161/”mm/s”, /162/”[?]”, /163/”[?]”, /164/”[?]”, /165/”[?]”, /166/”[?]”, /167/”[?]”, /168/”[?]”, /169/”A/m2″, /170/”F”, /171/”H”, /172/”[?]”, /173/”S”, /174/”S/m”, /175/”T”, /176/”[?]”, /177/”[?]”, /178/”Wb”, /179/”cd”, /180/”cd/m2″, /181/”K/h”, /182/”K/min”, /183/”J/s”, /184/”rad/s”, /185/”m2/N”, /186/”kg/m3″, /187/”Ns”, /188/”N/m”, /189/”W/m/K”, /190/”uS”, /191/”[?]”, /192/”[?]”, /193/”km”, /194/”um”, /195/”g”, /196/”mg”, /197/”mm”, /198/”mm/s”, /199/”dB”, /200/”dBmV”, /201/”dBV”, /202/”mS”, /203/”W/hr”, /204/”kWhr”, /205/”[?]”, /206/”[?]”, /207/”[?]”, /208/”g/g”, /209/”kg/kg”, /210/”g/kg”, /211/”mg/g”, /212/”mg/kg”,

Enumeration of Units
/213/”g/ml”, /214/”g/l”, /215/”mg/l”, /216/”ug/l”, /217/”g/m3″, /218/”mg/m3″, /219/”ug/m3″, /220/”[?]”, /221/”g/cm3″, /222/”Bq”, /223/”[?]”, /224/”[?]”, /225/”Gy”, /226/”mGy”, /227/”[?]”, /228/”Sv”, /229/”[?]”, /230/”[?]”, /231/”[?]”, /232/”[?]”, /233/”[?]”, /234/”pH”, /235/”[?]”, /236/”[?] 44/44