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2.7 Frame format: Write Multiple Coils
Request
Slave address
Function code
(0x01 – 0xF7)
(0x0F)
1 byte
1 byte
Response
Slave address
Function code
(0x01 – 0xF7)
(0x0F)
1 byte
1 byte
Response in case of error
Slave address
Error code
(0x01 – 0xF7)
(0x8F)
1 byte
1 byte
Example:
Request example:Changes states to Cooling and ECO
Slave address
Function code
(0x01)
(0x0F)
1 byte
1 byte
Response example:Changes states to Cooling and ECO
Slave address
Function code
(0x01)
(0x0F)
1 byte
1 byte
2.8 Frame format: Write Multiple Holding Registers
Request
Slave address
Function code
(0x01 – 0xF7)
(0x10)
1 byte
1 byte
Response
Slave address
Function code
(0x01 – 0xF7)
(0x10)
1 byte
1 byte
Response in case of error
Slave address
Error code
(0x01 – 0xF7)
(0x90)
1 byte
1 byte
Starting register
Quantity of outputs
address
(0x0001 – 0x07B0)
(0x0000 – 0xFFFF)
2 bytes
2 bytes
Starting register address
(0x0000 – 0xFFFF)
2 bytes
Exception code
(01, 02, 03, 04, or 06)
1 byte
Starting
Starting
register
register
address HI
address LO
(0x00)
(0x00)
1 byte
1 byte
Starting register
Starting register
address HI
address LO
(0x00)
(0x00)
1 byte
1 byte
Starting register
Quantity of registers
address
(0x0000 – 0x007B)
(0x0000 – 0xFFFF)
2 bytes
2 bytes
Starting register address
(0x0000 – 0xFFFF)
2 bytes
Exception code
(01, 02, 03, 04, or 06)
1 byte
Uponor Smatrix Base PRO Controller X-148 Modbus RTU
Byte count
(N)
1 byte
Quantity of outputs
(0x0001 – 0x07B0)
2 bytes
Quantity of
Quantity of
outputs HI
outputs LO
(0x00)
(0x02)
1 byte
1 byte
Quantity of outputs
HI
(0x00)
1 byte
Byte count
(2*N) N = quantity of
registers
1 byte
Quantity of registers written
(0x0000 – 0x007B)
2 bytes
Output value to write CRC
n bytes
Byte count
Output value
to write
(0x01)
(0x03)
1 byte
? byte
Quantity of outputs
LO
(0x02)
1 byte
Register value
2*N bytes
|
Installation manual
2 bytes
CRC
2 bytes
CRC
2 bytes
CRC
2 bytes
CRC
2 bytes
CRC
2 bytes
CRC
2 bytes
CRC
2 bytes
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13
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