Chapter 16 PLC Function Applications│CP2000
16-151
RTU485: The station number = 8 (give example)
ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0 PA3 PA2 PA1 PA0 DR2 DR1 DR0
/R
0 0 0 0 1 0 0 0
1 0 0 0 1 1 1 0
Communication station #:
ID0~ ID7 are defined as 2 , 2 , 2 ...2 , 2
0 1 2 6 7
Communication protocol
Communication Protocol
Communicaton Speed
Step 2: Install control equipment. We sequentially connect a DVP16-SP (8 IN 8 OUT), DVP-04AD (4
channels AD), DVP02DA (2 channels DA), and DVP-08ST (8 switches) to the RTU485.
The following corresponding locations can be obtained from the RTU485's configuration definitions:
Module Terminals 485 Address
DVP16-SP
X0–X7 0400H–0407H
Y0–Y7 0500H–0507H
DVP-04AD
AD0–AD3 1600H–1603H
DVP02DA
DA0–DA1 1640H–1641H
DVP-08ST
Switch 0–7 0408H–040FH
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