
IB-23C650M
INSTALLATION
Figure 1. Typical 2-Wire Modbus Network Connections
.
120
120
RX/TX-560
RX -
RX+
RX/TX+
Personal Computer Modbus Master
All resistors are 0.25W.
TX -
TX+
COM
Last
2050R
Other 2050R's
wired same way
without resistors.
560
+5V dc
RS485 Interface
COM
4
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