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Micromod MOD: Modcell 2050R MODBUS Communications User Manual

Page 8

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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