Uponor Smatrix Base PRO X-148 Installation Manual page 10

Request example:Read floor temperature data (21.0 ˚C / 69.8 ˚F = value 689, 0x02BA) for all zones
Slave address Function code
(0x01) (0x04)
1 byte 1 byte
Response example:Read floor temperature data (21.0 ˚C / 69.8 ˚F = value 689, 0x02BA) for all zones
Slave address Function code
(0x01) (0x04)
1 byte 1 byte
Request example:Read humidity value (85% RH) for channel 12
Slave address Function code
(0x01) (0x04)
1 byte 1 byte
Response example:Read humidity value (85% RH) for channel 12
Slave address Function code
(0x01) (0x04)
1 byte 1 byte
Request example:Read thermostat loss alarm
Slave address Function code
(0x01) (0x04)
1 byte 1 byte
Response example:Read thermostat loss alarm
Slave address Function code
(0x01) (0x04)
1 byte 1 byte
Request example:Offset heat pump heat curve with -10 degrees
Slave address Function code
(0x01) (0x04)
1 byte 1 byte
Response example:Offset heat pump heat curve with -10 degrees
Slave address Function code
(0x01) (0x04)
1 byte 1 byte
10 | Uponor Smatrix Base PRO Controller X-148 Modbus RTU
Starting register Starting register
address HI address LO
(0x00) Start at 26 (0x19)
1 byte 1 byte
Byte count Input register
HI (channel 1)
(0x18)
(0x02)
1 byte 1 byte
Starting register Starting register
address HI address LO
(0x00) Start at 25 (0x18)
1 byte 1 byte
Byte count Input register HI
(0x02) (0x00)
1 byte 1 byte
Starting register Starting register
address HI address LO
(0x00) Start at 38 (0x25)
1 byte 1 byte
Byte count Input register HI
(0x02) (0x08)
1 byte 1 byte
Starting register Starting register
address HI address LO
(0x00) Start at 39 (0x26)
1 byte 1 byte
Byte count Input register HI
(0x02) (0x00)
1 byte 1 byte
| Installation manual
Quantity of input
registers to read HI
(0x00)
1 byte
Input register ... Input register
LO (channel 1) HI (channel
12)
(0xBA)
(0x02)
1 byte ... 1 byte
Quantity of input
registers to read HI
(0x00)
1 byte
Input register LO
(0x55)
1 byte
Quantity of input
registers to read HI
(0x00)
1 byte
Input register LO
(0x01)
1 byte
Quantity of input
registers to read HI
(0x00)
1 byte
Input register LO
(0xF6)
1 byte
Quantity of input CRC
registers to read LO
12 channels (0x0C)
1 byte 2 bytes
Input register CRC
LO (channel
12)
(0xBA)
1 byte 2 bytes
Quantity of input CRC
registers to read LO
1 channel (0x01)
1 byte 2 bytes
CRC
2 bytes
Quantity of input CRC
registers to read LO
(0x01)
1 byte 2 bytes
CRC
2 bytes
Quantity of input CRC
registers to read LO
(0x01)
1 byte 2 bytes
CRC
2 bytes