Type Size Description Example
Serial number 8 octets Class (1 byte)
Range (1 byte)
Year (2 bytes)
Month (1 byte)
Number (3 bytes)
'3' (0x33)
'F' (0x46)
13 (0x000D)
8 (0x08)
98765 (0x0181CD)
Format
Byte 2 (range) Byte1 (class) Byte 4 (year) Byte 3
(year)
Byte 6
(number)
Byte 5
(month)
Byte 8
(number)
Byte 7
(number)
0x46 0x33 0x00 0x0D 0xCD 0x08 0x01 0x81
Example with 3F13898765: 0x0181CD08000D4633
Alarms and relays status – Modbus code: 7000
Encoded on 4 octets (U32)
Byte 2 Byte 1
b8 – b15 b7 – b4 b3 b2 b1 b0
Unused Unused
Unused Channel 3 Channel 2 Channel 1
Alarm state
*
(*)
1: the channel is in alarm state / 0: the channel is not in alarm state
Byte 4 Byte 3
b31 – b28 b27 b26 b25 b24 b23 – b20 b19 b18 b17 b16
Unused Relay 4
**
Relay 3
**
Relay 2
**
Relay 1
**
Unused Unused Alarm 3
***
Alarm 2
***
Alarm 1
***
(**)
1: the relay is triggered / 0: the relay is not triggered
(***)
1: the alarm is activated / 0: the alarm is deactivated
• Values – Modbus code: 7010 (channel 1)
7040 (channel 2)
7070 (channel 3)
• Number of digits after the decimal point – Modbus code: 7020 (channel 1)
7050 (channel 2)
7080 (channel 3)
• Unit – Modbus code: 7030 (channel 1)
7060 (channel 2)
7090 (channel 3)
List of units:
Field Unit Value
None 0
Temperature
°C 16
°F 17
Hygrometry %HR 32
g/Kg 33
Modbus 7
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