Developing Sequence Programs; Cnc-Specific Restrictions - Mitsubishi Electric M800VW Series Manual

Plc development

Hide thumbs Also See for M800VW Series:

Table of Contents

M800V/M80V Series PLC Development Manual

5 Peripheral Development Environment (GX Works2)

5.6 Developing Simple Project

5.6.3 Developing Sequence Programs

This section describes how to develop sequence programs in a simple project. There is no basic development procedure that

is specific to Mitsubishi Electric CNCs. Refer to "GX Works2 Operating Manual (Simple Project)". This section provides

information on CNC-specific restrictions.

 Restriction on use of ANB instruction and ORB instruction

Condition: Only up to seven ANB instructions and ORB instructions can be used consecutively.

Workaround: When using a ladder containing eight or more of these instructions, use a substitute ladder as follows.

Ladder screen on GX Works2

Ladder block is divided by

IB-1501614-B

Using 8 consecutive ANB instructions or

ORB instructions.

Equivalent ladder using 6 ANB instructions

or ORB instructions is achieved by

separating 3 ANB instructions or ORB

instructions as another ladder block in