ICP DAS USA M-7065 User Manual page 135

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
Examples:
Command:01 46 2A [ 93 BF ]
Response:01 46 2A 02 7E AC
Reads the DI/O active states
M-7065 User's Manual Ver2.0, Dec. /200 8 ---135
1 Byte
1 Byte
1 Byte
0 : OK
1 Byte
Others : Error
1 Byte
1 Byte
Refer to Modbus standard
1 Byte
for more details
1-247
0x46
0x29
1-247
0xC6