Yokogawa JUXTA M Series Digital Limit Alarms MVTK Manuel d'utilisateur télécharger pdf (Page 41)

4-1

IM 77J04J11-01E 1st Edition : 2006.08.25-00

4. Ladder Communication

4.1 Overview

The use of Ladder communication enables the M Series to communicate with a

sequencer (PLC). By specifying the register numbers of D registers of the M Series

as parameters in the ladder program, you can read/write data from/into the registers

using BCD codes (0 to 9).

Ladder communication module

PLC

A maximum of 1200 m; up to 31 slave stations

Figure 4-1 Example of Connection for Ladder Communication

● Connecting the M Series to a PLC of another company

When the M Series are connected to a PLC manufactured by Mitsubishi Electric (MELSEC-

A series), you can use the no-handshaking mode of the computer link unit.

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Yokogawa JUXTA M Series Digital Limit Alarms MVTK Manuel d'utilisateur Page 41