Mitsubishi Electric QJ71LP21 Reference Manual page 336

APPENDIX
Number Name Meaning
SD5
SD6
SD7
SD8
SD9
SD10
SD11
SD12
SD13
SD14
Error
Error common
common
information
information
SD15
App - 32
Special Register List (Continued)
3 Time (value set)
Meaning
Number
Time : 1 µs units (0 to 999 µs)
SD5
SD6 Time : 1 ms units (0 to 65535 ms)
SD7
SD8
SD9
SD10
(Vacant)
SD11
SD12
SD13
SD14
SD15
Program error location
4
Meaning
Number
SD5
SD6
File name
SD7
(ASCII code: 8 characters)
SD8
SD9 Extension
3
SD10
(ASCII code: 3 characters)
SD11
Pattern
SD12 Block No.
SD13 Step No./transition No.
SD14
Sequence step No. (L)
SD15
Sequence step No. (H)
4
Contents of pattern data
15 14 to 4 3 2 1 0
0 0 to 0 0
(Not used)
Switch cause
5
Number
SD5 Switch cause (0: automatic switch/ 1: manual switch)
Switch direction (0:standby system to control
SD6
system/ 1: control system to standby system)
SD7
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
5
Tracking flag contents
Shows whether or not the tracking data is valid.
15 14 to 4 3 2
0 0 to 0 0
(Not used)
3: Refer to REMARK.
Explanation
2E (.)
H
4
(Bit number)
SFC block designation present
(1)/absent (0)
SFC step designation present
(1)/absent (0)
SFC transition designation
present (1)/absent (0)
Meaning
Tracking flag
5
(Vacant)
(Bit number)
1 0
Invalid work data
invalid (0) /valid (1)
System data
(SFC active step information)
invalid (0)/ valid (1)
Switching cause invalid (0)/
valid (1)
MELSEC-Q
Set by Corresponding
Corresponding
(When ACPU
set) D9
S (Error) New
S (Error) New
App - 32
CPU
+Rem
Q4AR