Mitsubishi MELSEC L Series User Manual page 360

(16)
Process control instruction
Number Name Meaning
SD1500 Basic period
Basic period
SD1501 time
Process Process
control control
SD1502 instruction instruction
detail error detail error
code code
Process Process
control control
SD1503 instruction instruction
generated generated
error location error location
SD1506 Dummy
Dummy device
SD1507 device
b0
Bumpless
Function function
availability availability
selection for setting for the
SD1508
process S.PIDP
control instrunction
instruction 0: Enabled
1: Disabled
(Default: 0)
(17) Redundant system (host system CPU information
The special register (SD1510 to SD1599) is valid only for redundant systems. All bits are set to "0" for stand-alone
systems.
Number Name Meaning
4 LED states
• BACKUP
Redundant • CONTROL
SD1585 system LED • SYSTEM
status A
• SYSTEM
B
358
Explanation
Set the basic period (1 second units) use for the process control
instruction using floating point data.
Floating points data =
This register indicates the details of an error occurred by
executing a process control instruction.
Shows the error process block that occurred in the process
control instruction.
Used to specify dummy devices by a process control
instruction.
This register stores whether to enable functions for process
control instructions.
b15 b14 to
SD1508 0 0
Explanation
The LED status of BACKUP, CONTROL, SYSTEM A, or SYSTEM
B is stored in the following format:
b15 to b10b9 b8 b7 b6 b5 b4 b3 b2
0 0
SYSTEM B
0: Off
1: On
2: Flicker
SYSTEM A
0: Off
1: On
2: Flicker
SD1501 SD1500
b2 b1 b0
0 1/0
Bumpless function
availability for the
S.PIDP instruction
*1
)
to b0
BACKUP
0: Off
1: On (red) 5: On (orange)
2: Flicker(red) 6: Flicker(orange)
3: On(green)
4: Flicker(green)
CONTROL
0: Off
1: On
Corre-
sponding
Set by
sponding
(When Set) ACPU
D9
U
S
(Error)
New
U
QnPRH
Corre-
sponding
Set by
sponding
ACPU
(When Set)
D9
S
(Status New
change)
Corre-
CPU
QnPH
QnPH
Corre-
CPU
QnPRH