Mitsubishi Electric M800VW Series Programming Manual page 713

M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function
14.21 Alarm Message Display
Parameters related to PLC alarm messages
Switching the parameters related to PLC alarm messages is common to all projects.
When the parameters described in "Parameters" are set, the same setting will be applied to all projects.
Interface
The temporary memory (F) and the file register (R) are common devices among projects (the devices which are affected by
the access from multiple projects).
Therefore, even when a value is written from any project to the temporary memory (F) or the file register (R) which is the
interface of the alarm messages, the common alarm message appears.
When writing to F0 device from Project 1:
Writing
Project 1
When writing to F0 device from Project 2:
Writing
Project 2
IB-1501668-B
Value
F0
The 0th message in A0000 message
F1
1
table is displayed. (dn1)
:
:
F1023
Value
F0
The 0th message in A0000 message
F1
1
table is displayed. (dn1)
:
:
F1023
The same message appears.
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