Error History Function - Mitsubishi Electric R60AD8-G User Manual

1.14

Error History Function

This function records errors and alarms that occurred in the A/D converter module to store them into the buffer memory area.
Up to 16 errors and alarms are stored.
Operation
When an error occurs, the error code and the error time are stored from Error history 1 (Un\G3600 to Un\G3609) in order.
When an alarm occurs, the alarm code and the alarm time are stored from Alarm history 1 (Un\G3760 to Un\G3769) in order.
• Detail of the error code assignment
b15
Un\G3600
First two digits of the year
Un\G3601
Un\G3602
Un\G3603
Un\G3604
Millisecond (higher-order digits)
Un\G3605
Un\G3606
Un\G3609
• Detail of the alarm code assignment
b15
Un\G3760
First two digits of the year
Un\G3761
Un\G3762
Un\G3763
Un\G3764
Millisecond (higher-order digits)
Un\G3765
Un\G3766
Un\G3769
Ex.
Storing example of error history and alarm history
Item
First two digits of the year/Last two digits
of the year
Month/Day
Hour/Minute
Second
Day of the week
Millisecond (upper)
Millisecond (lower)
*1 Values stored when an error occurs at 12:34:56.789 on Saturday, January 31st, 2015.
The start address of Error history where the latest error is stored can be checked in 'Latest address of error history' (Un\G1).
The start address of Alarm history where the latest alarm is stored can be checked in 'Latest address of alarm history'
(Un\G3).
1 FUNCTIONS
84
1.14 Error History Function
to
b8 b7
Error code
Month
Hour
Second
Millisecond (lower-order digits)
System area
to
b8 b7
Alarm code
Month
Hour
Second
Millisecond (lower-order digits)
System area
Storage contents
Stored in BCD code.
One of the following values is stored in BCD code.
Sunday: 0, Monday: 1, Tuesday: 2, Wednesday: 3
Thursday: 4, Friday: 5, Saturday: 6
Stored in BCD code.
to b0
Last two digits of the year
Day
Minute
Day of the week
b0
to
Last two digits of the year
Day
Minute
Day of the week
*1
Storage example
2015H
131H
1234H
56H
6H
7H
89H