Linking With Multi-Project - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function
14.21 Alarm Message Display

14.21.2 Linking with Multi-Project

Create messages by using a text file format or PLC development software (GX Developer).
This chapter explains the operations that are performed when the PLC message files created by the PLC development
software (GX Developer) are stored in multiple projects while the multi-project function is valid.
The PLC alarm message interface is a common device between projects.
When the PLC message files are stored in multiple projects and the indexes of the alarm messages overlap, the message of
the project with a smaller project No. will be displayed as a priority.
Therefore, when the PLC alarm messages are used in multi-project environment, the method to divide the interfaces per
project in advance is recommended as follows:
[Example procedure to create]
(1) Decide the interfaces to be used per project (example of F type).
Project 1: Use F0 to F299
Project 2: Use F300 to F599
Project 3: Use F600 to F899
(2) Create PLC message file to conform to the divided interface.
Project 1
Message file
;A, 0, 10, Project1 Msg001;
:
;A, 298, 10, Project1 Msg299;
;A, 299, 10, Project1 Msg300;
NOPLF
END
(3) Create ladder circuits according to the divided interfaces.
Project 1
Ladder file
:
F299
END
Project 2
Message file
;A, 300, 20, Project2 Msg001;
:
;A, 598, 20, Project2 Msg299;
;A, 599, 20, Project2 Msg300;
NOPLF
END
Project 2
Ladder file
F0
F1
F2
:
Project 3
Message file
;A, 600, 30, Project3 Msg001;
:
;A, 898, 30, Project3 Msg299;
;A, 899, 30, Project3 Msg300;
NOPLF
END
Project 3
Ladder file
F300
F301
F302
F599
END
691
F600
F601
F602
:
F899
END
IB-1501668-B