Programming Example - Mitsubishi Electric QJ71C24N User Manual

Q corresponding serial communication module

Table of Contents

DATA COMMUNICATION USING THE PRE-DEFINED PROTOCOL

8.1.6 Programming Example

This section describes the programming example and the setting example of the

predefined protocol function.

For the setting example, the pre-defined protocol support function of GX Developer

and GX Configurator-SC is used. Serial communication module QJ71C24N and

Mitsubishi inverter (FREQROL-A700, described as inverter or FR-A700 hereafter) as a

connection target device are used in this setting example.

(1) System configuration/wiring example

The system configuration and wiring example are as follows.

(a) System configuration example

The QJ71C24N to be used should be mounted on the slot 0 on the base unit

and connected to the external device on a one-on-one basis using CH2 via

RS-422/485 line.

For details of the system configuration, refer to Chapter 2.