Micromod MOD: Modcell 2050R MODBUS Communications User Manual
Page 10
IB-23C650M
INSTALLATION
Figure 2. Typical 4-Wire Modbus Network Connections with a Host
Device as Master
120
120
560
560
RX -
RX+
560
TX
-
TX+
RX
-
RX+
Personal Computer Modbus Master
All resistors are 0.25W.
2050R Controller
(Modbus Slave)
TX -
TX+
COM
120
120
Last
2050R
Other 2050R's
wired same way
without resistors.
560
+5V dc
RS485 Interface
COM
6
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