Order no.: 900312.001
V2.0
Page 31
Write Single Register
Request: Write Single Register for a new Set Point1 = +21.0°C)
Slave
Adress
Function
Code
Register Adress
(0x0000…0xFFFF)
Register Value
(MSB first)
CRC
(CRC 16, MSB first)
0x01
0x06
0x04
0xAF
0x00
0xD2
Response: Write Single Register 4
Slave
Adress
Function
Code
Register value
(MSB first)
Register Value
(Echo of Request)
CRC
(CRC 16, MSB first)
0x01
0x06
0x04
0xAF
0x00
0xD2
Error: Write Single Register 4
Slave
Adress
Function
Code
Exception
Code
CRC
(CRC 16, MSB first)
0x01
0x86
0x01…0x04
Exception Code
0x01
Illegal function
0x02
Illegal adress
0x03
Illegal Value
0x04
Slave Device Failure
Report Slave ID
Request: Slave ID
Slave
Adress
Function
Code
CRC
(CRC 16, MSB first)
0x01
0x11
Response: Slave ID
Slave
Adress
Function
Code
Byte
Count
Slave ID
Run
indicator
status
Additional
data
CRC
(CRC 16, MSB first)
0x01
0x11
0x08
0x01
0x00 (Off)
0xFF (On)
6 Bytes
MSB first
Additional data
Byte 1,
0x34
Byte 2
0x00 or 0xFF
Byte 3
0x24
Software number (high Byte)
Byte 4
0x2C
Software number (low Byte)
Byte 5
Software Version (high Byte)
Byte 6
Software Version (low Byte)
Error: Slave ID
Slave
Adress
Function
Code
Exception
Code
CRC
(CRC 16, MSB first)
0x01
0x91
0x01…0x04
Exception Code
0x01
Illegal function
0x02
Illegal adress
0x03
Illegal Value
0x04
Slave Device Failure