X2A) Read Di/O Active Status - ICP DAS USA M-7065 User Manual

3.8.11 42(0x2A) Read DI/O Active Status

This sub-function code is used to read the DI/O
active states of a module.
Request
00 Address
01 Function code
02 Sub-Function code
Response:
00 Address
01 Function code
02 Sub-Function code
03 DI/O Active Status
Error Response:
00 Address
01 Function code
02 Exception code
Examples:
Command:01 46 29 02 [ 7E 5C ]
Response:01 46 29 00 FF 9D
Sets the DI/O active states
M-7065 User's Manual Ver2.0, Dec. /200 8 ---136
1 Byte
1 Byte
1 Byte
1 Byte
1 Byte
1 Byte
1 Byte
1 Byte
1 Byte
Refer to Modbus standard
1 Byte
for more details
1-247
0x46
0x2A
1-247
0x46
0x2A
0x00-0x03
1-247
0xC6