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CHAPTER12 SPECIAL RELAY LIST AND SPECIAL REGISTER LIST
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12.1 SPECIAL RELAY LIST
*1: The module whose first 5 digits of serial No. is "06082" or later.
*2: The module whose first 5 digits of serial No. is "07012" or later.
*3: The module whose first 5 digits of serial No. is "07032" or later.
*4: This applies to the CPU module of function version B or later.
*5: The module whose first 5 digits of serial No. is "04012" or later.
*6: The module whose first 5 digits of serial No. is "05032" or later.
*8: The relevant modules are as follows:
• The Universal model QCPU whose serial number (first five digits) is "10102" or later.
• Q00UJCPU, Q00UCPU, Q01UCPU
*9: The Universal model QCPU except the Q00UJCPU.
Table12.8 Special relay
Number Name Meaning Explanation Set by
(When Set)
Corres-
ponding
ACPU
M9
Corresponding
CPU
SM734
XCALL instruction
execution condition
designation
OFF: Not executed by
execution condition
risen
ON : Executed by execution
condition risen
• During OFF, XCALL instructions will not be executed
even if execution condition is risen.
• During ON, XCALL instructions will be executed
when execution condition is risen.
UNew
Qn(H)*1
SM735
SFC comment readout
instruction in
execution flag
OFF: SFC comment readout
instruction is
inactivated.
ON : SFC comment readout
instruction is
activating.
• Turns on the instructions, (S(P).SFCSCOMR) to
read the SFC step comments and (S(P).
SFCTCOMR) to read the SFC transition condition
comments.
S (status change) New
Qn(H)*2
QnPH*3
QnPRH*3
SM738 MSG instruction
reception flag
OFF: Instruction not
executed
ON : Instruction execution
• Goes ON when MSG instruction is executed S (Instruction
execution) New Qn(H)
QnPRH
SM750 Scaling instruction
search method setting
OFF : Search next
ON : 2-part search
Determines a search method when the scaling
instruction is executed. UNew
QnU*8
SM774
PID bumpless
processing
(for complete
derivative)
OFF : Matched
ON : Not matched
• Specifies whether to match the set value (SV) with
the process value (PV) or not in the manual mode. UNew
Q00J/Q00/Q01*4
Qn(H)
QnPRH
QnU
SM775
Selection of refresh
processing during
COM/CCOM
instruction execution
OFF : Performs link refres h
ON : Performs no link
refresh
• Select whether link refresh processing will be
performed or not when only communication with the
CPU module is made at the execution of the COM
instruction.
UNew
Q00J/Q00/Q01
Qn(H)
QnPH
OFF: Performs refresh
processes other than
an I/O refresh
ON : Performs refresh set
by SD778
• Select whether to perform refresh processes other
than an I/O refresh set by SD778 when the COM or
CCOM instruction is executed.
UNew
Q00J/Q00/Q01*4
Qn(H)*5
QnPH*3
QnPRH
QnU
SM776 Enable/disable local
device at CALL
OFF: Local device disabled
ON : Local device enabled
• Set whether the local device of the subroutine
program called at execution of the CALL instruction
is valid or invalid.
UNew
Qn(H)
QnPH
QnPRH
QnU*9
SM777
Enable/disable local
device in interrupt
program
OFF: Local device disabled
ON : Local device enabled
• Set whether the local device at execution of the
interrupt program is valid or invalid. UNew
SM794
PID bumpless
processing(for
incomplete derivative)
OFF : Matched
ON : Not matched
• Specifies whether to match the set value (SV) with
the process value (PV) or not in the manual mode. UNew
Q00J/Q00/Q01*4
Qn(H)*6
QnPRH
QnU