Instruction Sheet User guide

ManualsBrandsRockwell Automation ManualsEquipment1403-NSC Smart Communication Card

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Smart Communications Card

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Publication

1403-5.1

Figure 6. RS-485 Wiring

150Ω RESISTOR

Powermonitor

II

DEVICE #1

Powermonitor II

DEVICE #2

Powermonitor II

DEVICE #3

EXTERNAL

RS–232C

TO RS–485

CONVERTER

IBM PC

PLC PROCESSOR

RS–232C

150Ω

RESISTOR

0.047uF

150KΩ

0.047uF

150KΩ

0.047uF

150KΩ

Note: All

ground wires should be kept as short as

possible between the R/C and the cover plate.