CAI 700 NDIR, Operator'S Manual

Page: 189 / 205

700 NDIR Analyzer 6-20-2017
189
Code 16
This function code is used to write a single floating point register to a remote device.
The requested written values are specified in the request data field. Data is packed as four bytes
per register. The normal response returns the function code, starting address and quantity of
registers written. The analyzer ignores the numbers in the register and byte count and expects
four data bytes.
Request
Function Code 1 Byte 0x10
Starting Address 2 Bytes
0x0000 to 0xFFFF
Quantity of Registers 2 Bytes 2
Byte Count 1 Byte 4
Registers Value 4 Bytes value
Response
Function Code 1 Byte 0x10
Starting Address 2 Bytes
0x0000 to 0xFFFF
Quantity of Registers 2 Bytes
2
Error
Error Code 1 Byte 0x90
Exception Code 1 Byte 01 or 02 or 03 or 04