Precautions - Mitsubishi Electric M800VW Series Manual

M800V/M80V Series PLC Development Manual
5 Peripheral Development Environment (GX Works2)
5.8 PLC Message Development

5.8.3.4 Precautions

(1) Priority of message files in each language
When PLC message files for display languages are not in the CNC controller, English message files are used.
(2) Maximum values of message data
This table lists the maximum values of message that can be written.
Message type
Alarm messages
Operator messages
PLC switch
Comment
Macro alarm message
Even though a message data exceeds the maximum message length, no error occurs. The excessive characters are not
displayed.
Even though the total number of messages exceeds the maximum number, no error occurs. The excessive messages are
not displayed.
A two-byte character is handled as two characters (2 bytes).
(3) Macro alarm messages are displayed with the following priority.
Priority
Displays the macro alarm message of corresponding alarm No. which is described in the macro alarm message
(1)
file of the display language.
However, the macro alarm message of the second priority is displayed in the following cases:
- No macro alarm messages file for the display language
- No corresponding alarm No. in the macro alarm message file
Displays the macro alarm message of corresponding alarm No. which is described in the macro alarm message
(2)
file of the default language (English).
However, the macro alarm message of the third priority is displayed in the following cases:
- No macro alarm messages file for English
- No corresponding alarm No. in English macro alarm message file
Displays the macro alarm message described on a machining program.
(3)
IB-1501614-B
Maximum message length Maximum number of messag-
(number of characters)
46 bytes
60 bytes
14 bytes
60 bytes
31 bytes
176
es
1024
512
96
5
512
Details