1:N long distance communication via modem

A modem and RS-232C are used for a long-distance communication.

 

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Components and parameters of computer link module,

Component

Name of Module

Parameter

Ex. of Station No.

PC

Built-in RS-232C

-

-

PLC NO.1

CM1-SC02A

RS-232C

Exclusive Comm. (RS-232C Mode)

0

RS-422

Exclusive Comm.

Linked Mode

PLC NO.2

CM1-SC02A

RS-232C

Exclusive Comm.

1

RS-422

Exclusive Comm.

Independent Mode

PLC NO.N

CM1-SC02A

RS-232C

Exclusive Comm.

31

RS-422

Exclusive Comm.

Independent Mode