Omron SYSDRIVE 3G3RV Series

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ommunications Functions

nConnection

Example

PLC

This

section

provides

connector

arrangements

and

standard

wiring

diagram

for

the

Serial

Communica-

tions

Boards/Units.

Connector

Arrangement

for

Serial

Communications

Board/Unit

The

connector

arrangement

for

the

CS1W-SCB41,

CS1W-SCU41,

and

C200HW-COM06-V1

Serial

Com-

munications

Boards/Units

shown

below.

Standard

Wiring

Diagrams

Wiring

diagrams

are

provided

below

for

RS-485

and

RS-422A.

• RS-485

(2-wire)

Fig 6.56 RS-485 Wiring

No. Code Signal

name I/O Pin

No. Code Signal

name I/O

1SDASend

data

(-) Output 6 RDA Receive

data

(-) Input

2SDBSend

data

(+) Output 7 NC - -

3 NC - - 8 RBD Receive

data

(+) Input

4NC - - 9NC - -

5 NC - - Frame FG FG -

SDA

SDB

RDA

RDB

RS-422A/485

interface

Communications Board

9-pin D-sub connector

(Connector on cable: Male)

Code

Pin No.

Frame

Code

Control cir-

cuit terminal

block (com-

munictions

terminals)

Code

SYSDRIVE RV

Control cir-

cuit terminal

block (com-

munictions

terminals)

Shielded cable

Note Turn ON the terminating resistance switches at the end Inverters. Turn OFF the terminating resistance switches at all other Inverters.

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