Mitsubishi MELSEC Q Series Programming Manual page 1256

Special
ACPU
Register
Special
after
Register Modification
Conversion
D9038 SD1038 SD207
D9039 SD1039 SD208
D9044 SD1044
D9049 SD1049
D9050 SD1050
D9051 SD1051
D9052 SD1052
D9053 SD1053
D9054 SD1054
D9055 SD1055 SD812
App-248
Special
Register for Name
LED display
priority ranking
For sampling
×
trace
Work area for
×
SFC
SFC program
×
error number
× Error block
× Error step
× Error transition
Error
×
sequence step
Status latch
execution step
number
Meaning
Priorities 1 to 4 • This register stores priority of errors to be indicated by the
ERROR LED (on or flash) by using cause numbers.
• Configuration of the priority setting areas is as shown
below.
b15 to
SD207 Priority 4
Priorities 5 to 7
SD208
• For details, refer to the following.
User's manual of the CPU module used
Type ACPU/QCPU-A (A Mode) Programming
Manual (Fundamentals)
To operate the STRA or STRAR instruction of a sampling
trace by turning on or off SM803 with a programming tool,
Step or time
use the value stored in SD1044 as the sampling trace
during
condition.
sampling trace
•When "Each scan" is selected: 0
•When a timing is specified: setting value (Unit: 10ms)
• This register stores the block No. of the extended file
register used as a work area for executing the SFC
Block number program.
of extension • This register stores "0" when SM320 is off and when
file register empty area of 16K bytes or smaller is used (16K byte or
less is too small to be used as block No.1 for an extended
file register).
This register stores an error code of the error occurred in the
SFC program.
•0 : No error
Error code
•80: SFC program parameter error
generated by
•81: SFC code error
SFC program
•82: Number of steps of simultaneous execution exceeded
•83: Block start error
•84: SFC program operation error
• This register stores the number of the block in the SFC
Block number
program where an error occurred.
where error
For error 83, the number of the block where the program
occurred
was started is stored.
• This register stores the number of the step in the SFC
Step number
program where error 83 occurred.
where error
• For error 80, 81, and 82, "0" is stored.
occurred
• For error 83, the block starting step number is stored.
Transition
This register stores the number of the transition condition in
condition
the SFC program where error code 84 occurred. For error
number where
codes 80, 81, 82, and 83, "0" is stored.
error occurred
Sequence step This register stores the sequence step number of transfer
number where condition and operation output in the SFC program where
error occurred error 84 occurred.
• This register stores the number of the step where a status
latch was executed.
• When a status latch was executed in a main sequence
program, the step No. is stored.
Status latch
• When a status latch was executed in a SFC program, the
execution step
block number and step number are stored.
number
Details
b12 b11
to b8 b7 to b4 b3
Priority 3 Priority 2 Priority 1
Priority 7 Priority 6 Priority 5
Block No. Step No.
(BIN) (BIN)
Upper 8 bits Lower 8 bits
Corres-
ponding
CPU
to b0
Qn(H)
QnPH
-