CAI 700M - Page 187

700M HFID 6-2-15
187
Here is an example of a request to read Input Register 8:
Request
Response
Field Name
(Hex)
Field Name
(Hex)
Function
04
Function
04
Starting Address Hi
00
Byte Count
02
Starting Address Lo
08
Input Register 9 Hi
00
Quantity of Input Registers Hi
00
Input Register 9 Lo
0A
Quantity of Input Registers Lo
01
The contents of Input Register 8 are shown as the two-byte values of 00 0A hex, or 10 decimal.
Command 04, Read one integer value from Address 0. Result = 1234.