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(2) System information
Number
Name
SM202
LED OFF command
OFF
SM203
STOP contact
STOP status
SM204
PAUSE contact
PAUSE status
OFF : PAUSE disabled
SM206
PAUSE enable coil
ON : PAUSE enabled
OFF : Ignored
SM210
Clock data set request
ON : Set request
OFF : No error
SM211
Clock data error
ON : Error
Clock data read
OFF : Ignored
SM213
request
ON : Read request
OFF : CPU No.1 preparation
CPU No.1 preparation
SM220
completed
ON : CPU No.1 preparation
OFF : CPU No.2 preparation
CPU No.2 preparation
SM221
completed
ON : CPU No.2 preparation
OFF : CPU No.3 preparation
CPU No.3 preparation
SM222
completed
ON : CPU No.3 preparation
OFF : CPU No.4 preparation
CPU No.4 preparation
SM223
completed
ON : CPU No.4 preparation
OFF : Online module change
Online module change
SM235
flag
ON : Online module change
OFF : Online module change
Online module change
SM236
complete flag
ON : Online module change
OFF : Device range checked
Device range check
SM237
ON : Device range not
inhibit flag
*5: The Universal model QCPU except the Q00UJCPU, Q00UCPU, Q01UCPU, and Q02UCPU.
*6: The relevant modules are as follows:
• The Universal model QCPU whose serial number (first five digits) is "10012" or later.
• Q13UDHCPU, Q26UDHCPU
*8: The Universal model QCPU except the Q00UJCPU.
Table12.3 Special relay
Meaning
• When this relay goes from OFF to ON, the LEDs
ON : LED OFF
corresponding to the individual bits at SD202 go off
• Goes ON at STOP status
• Goes ON at PAUSE status
• PAUSE status is entered if this relay is ON when the
PAUSE contact goes ON
• When this relay goes from OFF to ON and after END
instruction execution of subsequent scan, clock data
stored in SD210 to SD213 are written to the CPU
module.
• ON when error is generated in clock data (SD210 to
SD213) value, and OFF if no error is detected.
• When this relay is ON, clock data is read to SD210 to
SD213 as BCD values.
Turned ON when access can be made to the CPU
module No.1 from the other CPU module at power-on
uncompleted
or reset operation. SM220 is used as interlock for
accessing the CPU module No.1 when the multiple
completed
CPU synchronous setting is asynchronous.
Turned ON when access can be made to the CPU
module No.2 from the other CPU module at power-on
uncompleted
or reset operation. SM221 is used as interlock for
accessing the CPU module No.2 when the multiple
completed
CPU synchronous setting is asynchronous.
Turned ON when access can be made to the CPU
module No.3 from the other CPU module at power-on
uncompleted
or reset operation. SM222 is used as interlock for
accessing the CPU module No.3 when the multiple
completed
CPU synchronous setting is asynchronous.
Turned ON when access can be made to the CPU
module No.4 from the other CPU module at power-on
uncompleted
or reset operation. SM223 is used as interlock for
accessing the CPU module No.4 when the multiple
completed
CPU synchronous setting is asynchronous.
is not in progress
• Turns on during online module change. (for host
CPU)
in progress
• Turns ON for one scan after online module change is
incomplete
complete.
• This contact point can only be used by the scan
complete
program. (for host CPU)
• Selects whether to check a device range during
execution of the BMOV, FMOV or DFMOV
instruction (only when the conditions for subset
checked
processing are established).
CHAPTER12 SPECIAL RELAY LIST AND SPECIAL REGISTER LIST
Explanation
(When Set)
S (Status change)
S (Status change)
S (Request)
S (When status
changed)
S (During online
module change)
S (When online
module change is
complete)
Corres-
Set by
ponding
Corresponding
ACPU
CPU
M9
Qn(H)
QnPH
U
New
QnPRH
QnU
M9042
M9041
U
M9040
QCPU
U
M9025
M9026
U
M9028
QnU
*8
New
QnU
*5
QnU
New
QnPH
New
*6
U
New
QnU
12 - 4
1
2
3
12
6
7
8
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