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APPX
Appendix 4 List of Special Relay Areas
817
A
SM752
Dedicated instruction End
bit control flag
Off: Automatically
controlled
On: Not automatically
controlled
This relay can be used to set whether the
system automatically controls the on/off
operation of End bit being used for the
dedicated instruction and other (control of
End bit which is registered in the End
processing of the instruction completion and
turned on for only the next one scan (Off:
turned on for only one scan after the
instruction is completed as well as normal/
error End bit, On: turned on when the
instruction is completed and the On status is
maintained after that)).
U
ALL
SM753
File being accessed
Off: Not in progress
On: In progress
• This relay is on during a file access by
using the SP.FWRITE/SP.FREAD/
SP.DEVST instructions.
• This relay is on while the SP.FTPPUT or
SP.FTPGET instruction is being executed.
• This relay is on while a database access
instruction is being executed.
S (Status change)
ALL
SM754
BIN/DBIN instruction error
control flag
Off: Executes error
detection
On: No execute error
detection
This relay can be switched to on when the
error detection is not desirable in the BIN/
DBIN instruction.
U
ALL
SM755
Scaling data check settings
Off: Performs data check
On: Not perform data
check
This relay can be used to enable/disable the
check whether the scaling data is sorted in
ascending order when the SCL/DSCL/
SCL2/DSCL2 instruction is being executed.
U
ALL
SM756
Module access completion
wait control flag
Off: Not wait the
completion
On: Waits the completion
This relay can be used to determine
whether the system must wait until the
access is completed before starting the next
instruction when the write access instruction
to the buffer memory of another module is
being executed.
U
ALL
SM772
CCD/CRC instruction
conversion mode (16-bit/8-
bit) selection
Off: 16-bit conversion
mode
On: 8-bit conversion mode
This relay can be used to select 16-bit
conversion mode or 8-bit conversion mode
with the CCD/CRC instruction.
U
Rn
SM773
SMOV instruction BCD
conversion prohibit flag
Off: BCD conversion
enabled
On: BCD conversion
disabled
This relay switches to on when disabling
conversion from BIN data to BCD data with
the SMOV instruction.
U
Rn
SM775
Selection of refresh
processing during the COM
instruction execution
Off: Executes all the
refresh processings
On: Executes the refresh
processing specified in
SD775
This relay can be used to select the refresh
processing target when the COM instruction
is executed from two options: all refresh
processing or only refresh processing
specified in SD775.
U
ALL
SM776
Local device setting at
CALL
Off: Disables local devices
On: Enables local devices
This relay can be used to determine
whether the local devices on the subroutine
program called when the CALL instruction is
being executed are enabled or not.
U
ALL
SM777
Local device setting in
interrupt programs
Off: Disables local devices
On: Enables local devices
This relay can be used to determine
whether the local devices are enabled or not
when the interrupt program is being
executed.
However, for the SIL2 Process CPU and
Safety CPU, local devices/safety local
devices of a program file in the storage
location are always used in the standard
program/safety program, regardless of the
setting of SM777.
U
ALL
SM792
PID bumpless processing
(for the complete
differentiation PIDCONT
instruction)
Off: Matching
On: Not matching
This relay can be used to specify whether to
match SV to PV in manual mode.
U
ALL
SM794
PID bumpless processing
(for the inexact differential
S.PIDCONT instruction)
Off: Matching
On: Not matching
This relay can be used to specify whether to
match SV to PV in manual mode.
U
ALL
No.
Name
Data stored
Details
Set by (setting timing) CPU
Содержание MELSEC iQ-R-R00CPU
Страница 2: ......
Страница 151: ...9 MONITOR FUNCTION 9 1 Real Time Monitor Function 149 9 MEMO ...
Страница 323: ...18 SEQUENCE SCAN SYNCHRONIZATION SAMPLING FUNCTION 321 18 MEMO ...
Страница 330: ...328 20 ROUTING SETTING 20 3 Precautions MEMO ...
Страница 423: ...26 BASIC CONCEPT 26 8 State Transition of the Redundant System 421 26 MEMO ...
Страница 524: ...522 30 MAINTENANCE AND INSPECTION FOR A REDUNDANT SYSTEM 30 1 Module Replacement in the Redundant System MEMO ...
Страница 1009: ...APPX Appendix 14 List of Available SQL Commands for CPU Module Database Access Function 1007 A MEMO ...
Страница 1014: ...1012 APPX Appendix 15 Added and Enhanced Functions MEMO ...
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