1 rs-485 serial communication – Rice Lake SCT-10 User Manual

Page 29

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Configuration 25

2.5.1 RS-485 Serial Communication

Figure 2-4. RS-485 Serial Communications

SCT

SCT

SCT

RS48

5 +

R

S485 -

max 500 m

RS485 +

RS485 -

PC RS232

RX+

RX-

TX-

TX

+

Converter

24 Vcc

+-

0 TX RX

VI

N

RS

48

5 +

R

S485 -

RS

48

5 te

rmination

34

0 VDC

RS485 +

RS485 -

0 VDC

RS485 +

RS485 -

0 VDC

5 2 3

28

29

34

28

29

34

28

29

J2 J1

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