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10. PLC Help Function
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(2) R type interface
This interface applies to file registers R158~R161. The numeric value (binary) contained in
each of the R registers indicates the position of the message to be displayed in the message
table.
The message is cleared by setting the R register to 0.
R158
R159
R160
R161
1
0
20
5
First message of message table is displayed (dn1).
20th message of message table is displayed (dn
2).
Fifth message of message table is displayed (dn
3).
Message processing module
The messages are displayed starting at the message corresponding to R158 from top to
bottom.
Since message display is cleared by setting the R register to 0, number 0 in the table message
cannot be used in the R mode.
If greater value than the number of prepared messages, m is set in the R register, the message
"USER PC ERROR m
" is displayed.
(3) Alarm classification display (Only for Alarm message type)
Classification No. can be displayed following the message to be displayed regardless of the F
or R type. (Dn1~Dn4 in the figure)
For example, one typical alarm message is prepared and classification No. can be used to
indicate the alarm source or cause.
Example)
When spindle alarm occurs, the message "SPINDLE ALARM" is displayed and the
alarm source or cause is indicated by the classification No.
SPINDLE ALARM 5
This varies depending on the
alarm cause or source.
(Note 1)
For the classification No., the contents of each data register specified in alarm message
preparation are displayed. Data register D0 cannot be specified.
(Note 1)
The display of the classification No. by cause is updated when an alarm message
display changes. It is not updated if only the contents of the specified data register
(Dn1 to Dn4) change. If the contents
of the specified data register are 0, no
classification Nos. are displayed.