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Setting Priority For Error Led Indication - Mitsubishi Electric MELSEC-A Series User Manual

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4. A2CCPU
- - - - - - - - - - - - - - - - - - - - MELSEC-A
4.2.8
Setting priority for ERROR LED Indication
I
Priority of A2C ERROR LED lighting is indicated in Table 4.7.
Table 4.7 Error Indication Priority
Priority
Error Contents
Error Item
ERR LED
Number
Hi9h
Error which causes the A2CCPU to
stop unconditionally.
-
1/0 module verify error
1
Fuse blown error
Lit
Special module error
Link parameter error
2
Operation error
CHK
instruction execution
3
Annunciator (F) turning ON
4
Flashes
Low
Battery error
6
Lit
(1)
Changing priority
(a) ERROR LEO lighting priority can be changed from the default set-
ting for the error which permit sequence program operation to be
continued after an occurrence of an error.
Note that the priority level of the error which causes A2CCPU to stop
operation unconditionally cannot be changed.
(b) Error indication priority can be changed by changing the required
priority order in 09038 and 09039 (LEO indication priority order
storing registers).
Priority in 09038 and 09039 and the error setting items are il-
lustrated in Fig. 4.22.
Priority in 09038 and 09039
I
09039
09039
b15
to
b4
b3tobO b15tob12b11tob6
b7tob4
b3tobO
b3 to bO
I
L
Error item setting area
L
19nor.~
Default value of 09038 and 09039
I
09039
09038
b15
to
b4
b3to bO b15to b12 b11 to b8
b7to b4
~
6
4
3
2
Fig. 4.22 Error Priority In 09038 and 09039 and Error Setting Items
4-35

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