1:N Multi-drop communication between various devices

A RS-232C cable is used to connect a PC with a PLC. RS-422 cables are used to connect between PLCs.

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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

HMI Comm. (RS-232C Mode)

0

RS-422

User Comm.

Independent Mode

PLC NO.2

CM1-SC02A

RS-232C

-

-

RS-422

-

-

PLC NO.3

CM1-SC02A

RS-232C

-

-

RS-422

-

-

PLC NO.N

CM1-SC02A

RS-232C

-

-

RS-422

-

-