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14 l Uponor Smatrix Base PRO Controller X-147 Modbus RTU interface l Installation manual
Request example: Write 12 % comfort setting, channel 12
Slave address
(0x01)
Function code
(0x06)
Starting register
address HI
(0x00)
Starting register
address LO
Start at 72 (0x47)
Register value HI
(0x00)
Register value LO
(0x0C)
CRC
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
2 bytes
Response example: Write 12 % comfort setting, channel 12
Slave address
(0x01)
Function code
(0x06)
Output address to
write HI
(0x00)
Output address to
write LO
Start at 72 (0x47)
Output value written
HI
(0x00)
Output value written
LO
(0x0C)
CRC
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
2 bytes
Request example: Write 5 ˚C (41.0 ˚F = value 410, 0x005A) heating/cooling offset temperature
Slave address
(0x01)
Function code
(0x06)
Starting register
address HI
(0x00)
Starting register
address LO
Start at 73 (0x48)
Register value HI
(0x00)
Register value LO
(0x5A)
CRC
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
2 bytes
Response example: Write 5 ˚C (41.0 ˚F = value 410, 0x005A) heating/cooling offset temperature
Slave address
(0x01)
Function code
(0x06)
Output address to
write HI
(0x00)
Output address to
write LO
Start at 73 (0x48)
Output value written
HI
(0x00)
Output value written
LO
(0x5A)
CRC
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
2 bytes