ICP DAS USA 8430, 8KE8, 8KE4, 8830 user manual Appendix B DCON protocol, Basic Command Format

Appendix B: DCON protocol

The DCON protocol is a request/reply communication protocol for the I-7000/8000/87K series I/O modules, and uses a simple ASCII format such as $AAN, $AASi6, #AAN, #AASiCj,..., etc. The protocol format is defined as follows:

Basic Command Format

Command Format:

Leading Character Module Address Command

Response Format:

[CHKSUM]

CR

Leading Character

[Module Address]

[Data]

[CHKSUM]

CR

The Leading Character can include ‘@’, ‘#’, ‘$’, ‘%’, ‘~’, ‘!’

Checksum A 2-character checksum and is present when the checksum option is enabled. Address 0x00 ~ 0xFF

CR Carriage return (0x0D)

8430/8830/8KE4/8KE8 User’s manual, Jan 2005, Version 1.0, 8MS-002-10 ----- 70