Compac Micromotion CNG50 매뉴얼 - 페이지 10

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RS485 Wiring

C4000 Power Supply

C4000 Processor

Compac Industries Ltd.

The following changes are made to standard Compac dispensers to allow

the use of RS485 communication with other devices.

1) An RS485 Board is fitted inside the Power supply flame proof box.

2) The IS cable pinouts will need to be changed as detailed below. An extra

red wire will need to be added to link pin 5 on J1 with pin 4 on J5

Figure 1: J1 RS485

Figure 2: J5 Power Supply

1) Special software to support the Micromotion CNG50 meter will need to be

installed. Please contact the Compac Helpdesk for the latest version.

2) The IS cable will need to have The Red / Black / White cable removed

from J2A and put into pin 6 of J2B.

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RS485 Wiring