ICP DAS USA tET Series, User Manual

Page: 89 / 118

Ethernet I/O Modules
Example: Function 05 (0x05), Write DO
[Leading 6 bytes] [Request]
Command: 01 02 00 00 00 06 01 05 00 01 FF 00
[Leading 6 bytes] [Response]
Response: 01 02 00 00 00 06 01 05 00 01 FF 00
Sets Channel DO1 to ON
A description of the command and response is as follows:
Command: [Leading 6 bytes]
Bytes 00-03 01 02 00 00 (Message Number)
Bytes 04-05 00 06 (Number of bytes remaining in this frame)
[Request]
Byte 00 01 (Net ID)
Byte 01 05 (Function Code)
Bytes 02-03 00 01 (DO Address)
Bytes 04-05 FF 00 (Sets the output to ON)
Response: [Leading 6 bytes]
Bytes 00-03 01 02 00 00 (Message number)
Bytes 04-05 00 06 (Number of bytes remaining in this frame)
[Response]
Byte 00 01 (Net ID)
Byte 01 05 (Function Code)
Bytes 02-03 00 01 (DO Address)
Bytes 04-05 FF 00 (Indicates that the DO has been set to ON)
ICP DAS CO., LTD. PETL/tET/tPET DIO Series User Manual, Ver. 2.1, Sep. 2014, Page: 89
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