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CHAPTER6 FUNCTIONS

6.11 Monitor Function

6.11.2 Local device monitor/test

This operation is useful for debugging a program, monitoring local devices ( Section 9.13.2) in the program

monitored by GX Developer.Note8

(1) Monitoring a local device

Table6.12 shows the monitor operation when the CPU module executes three programs "A", "B", and "C" and D0

to D99 are set as a local device.

(Three programs are to be executed in the order of A B C (END processing) A B....)

*1: When "Not used" has been set for "Local device" in "File usability setting" of the Program tab of the PLC parameter dialog

box, the D0 value after execution of the specified program is monitored.

Note8

Table6.12 Data displayed when three programs are executed

Setting

Monitored device

D0 (Local device) D100 (Global device)

Local device monitor is set

The D0 value (local device) in the specified

program is monitored.

The D100 value after execution of the

specified program is monitored.

Local device monitor is not

set

The D0 value after execution of the program

"C" is monitored.

The D100 value after execution of the

program "C" is monitored.

Note6.4

For the Basic model QCPU, there is no conceptual distinction between the global and local devices. Monitor settings

for local devices are not necessary.

Basic

Mitsubishi 00JCPU User Manual

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