Mitsubishi Q2ACPU, User Manual

Page: 176 / 570

9 - 20
9. MAINTENANCE FUNCTION
The following shows the details of the error item numbers and default for priorities which is
set in special registers SD207 to SD209.
*1 For annunciators, it is possible to set alternating displays of comment and occurrence time by
parameter setting (PC RAS setting).
Example: When setting to display comments and occurrence time in PC RAS setting in the
parameter mode:
Order of
priority
Error Item
No.
(Hex.)
Description Remark
1 1 AC DOWN AC power/DC power OFF
2 2
UNIT VERIFY ERR.
FUSE BREAK OFF
SP.UNIT ERROR I/O module verification
Fuse blown
Special function module access error
3 3
OPERATION ERROR
LINK PARA.ERROR
SFCP OPE.ERROR
SFCP EXE.ERROR Operation error
Link parameter error
SFC instruction operation error
SFC program execution error
4 4
ICM.OPE.ERROR
FILE OPE.ERROR
EXTEND INST.ERROR Memory card operation error
File access error
Extended instruction error
5 5 PRG.TIME OVER
Constant scan setting time over error
Low-speed execution monitoring timeout
6 6 CHK instruction
7 7
Annunciators
*1
8 8 LED instruction
9 9 BATTERY ERR.
10 A Clock data
[Display of the 2nd occurrence time or later]
The occurrence time is displayed for the first annunciator only.
The second time or later are displayed as follows:
"--M--D--:--:--".
[Display of the 2nd comment or later]
To display the 2nd annunciator comment or later, perform the following:
Create one comment file.
To create the comment file with the same file name as the program, describe the comment
of the annunciator used for all comment files.