To Control Rtu-485; Set Communication Protocol - Delta C2000 series User Manual

To control RTU-485.

Step 1：Set communication protocol, assuming communication protocol is 115200，8,N,2，RTU
C2000：PLC default node is 2 (9-35)
9-31=-12(COM1 controlled by PLC)，9-01=115.2 (communication speed is 115200)
9-04=13( protocol is 8,N,2，RTU)
RTU485：node = 8 (example)
ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0
0 0 0
PA3 PA2 PA1 PA0 DR2 DR1 DR0 A/R
0 1 0 0 0
Communication station #:
ID0~ ID7 are defined as 2 , 2 , 2 ...2 , 2
Communication protocol
Chapter 16 PLC Function C2000 Series
1 0 0 0 1
0 1
Communication Protocol
16-141
1 1 0
2 6 7
Communicaton Speed