Description
Communication Scheme:
1. Communication parameters
This communication packet is suitable for the case where DEH is Slave and DCS is Master, that is, data is transmitted only from DEH to DCS. Using Modbus RTU protocol, the specific communication parameter of DF9011 Pro is as below.
Baud rate: 9600bps
Data bits: 8 bits
Stop bits: 1 bits.
Check bits: None
2. Modbus transmission measuring points: 136 points in total. Modbus registers 40001-40128, transfer 128 points of analog quantity (a positive integer of 0-64000), registers 40129-40131, transfer 48 points of switching value; RS-232 communication protocol cable connection is adopted between DEH and DCS.
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