Zener MSC-3 Instruction Manual page 143

Request:
Function code
Starting address
Quantity of outputs
Byte count
Output value
Response:
Function code
Starting address
Quantity of outputs
Error:
Function code
Exception code
Function Code 16: Write Multiple Holding Registers
Request:
Function code
Starting address
Quantity of registers
Byte count
Register value
Response:
Function code
Starting address
Quantity of registers
Error:
Function code
Exception code
Function Code 43: Read device identification, Sub Code 14
Request:
Function code
MEI type
1
Read device ID code
Object ID
1 byte
2 bytes
2 bytes
1 byte
1 byte
1 byte
2 bytes
2 bytes
1 byte
1 byte
1 byte
2 bytes
2 bytes
1 byte
2 x (Quantity of registers)
1 byte
2 bytes
2 bytes
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
IM00120 IM00120
MSC-3 Instruction Manual
15
0 to 4
1 to 5
1
15
0 to 4
1 to 5
143 (128+function code, 0x8F)
1, 2 or 3
16
0 to 9
1 to 10
2 x (Quantity of registers)
16
0 to 9
1 to 10
144 (128+function code, 0x90)
1, 2 or 3
43
14
129