87
C200HW-SRM21-V1 Master Unit for CS-series, C200HX/C200HG/C200HE-(Z)E, and C200HS PLCs
Section 4-1
C200HS PLCs
AR Area
AR 0000 to
AR 0009
Special I/O Unit Error Flags
These flags are turned ON when there is an error in data
transfers between the PLC and the corresponding Special
I/O Unit or the same unit number has been set on more
than one Special I/O Unit. Each bit corresponds to the Unit
with the same unit number.
(Bits SR 28200 to SR 28209 show the same information for
Special I/O Units 0 to 9.)
AR 0100 to
AR 0109
Special I/O Unit Restart Bits
Turn the corresponding bit OFF
→
ON
→
OFF to restart a
Special I/O Unit. Each bit corresponds to the Unit with the
same unit number.
(Bits SR 28100 to SR 28109 can also be used to restart
Special I/O Units 0 to 9.)
DM Area
(PLC
Setup)
DM 6620 (bits
00 to 09)
Special I/O Unit Refresh Dis-
able Bits
Turn the corresponding bit ON to disable refreshing of the
corresponding Special I/O Unit (except Remote I/O Racks).
Each bit corresponds to the Unit with the same unit num-
ber.
(Bits 00 to 09 of DM 6623 can also be used to disable
refreshing of Special I/O Units 0 to 9.)
DM 6623 (bits
00 to 15)
Special I/O Unit Refresh Dis-
able Bits
Turn the corresponding bit ON to disable refreshing of the
corresponding Special I/O Unit (except Remote I/O Racks).
Each bit corresponds to the Unit with the same unit num-
ber.
(Bits 00 to 09 of DM 6620 can also be used to disable
refreshing of Special I/O Units 0 to 9.)
Data area
Bit(s)
Name
Function
SR Area
SR 25415
Special I/O Unit Error Flag
This flag is turned ON when there is an error in data trans-
fers between the PLC and a Special I/O Unit or the same
unit number has been set on more than one Special I/O
Unit.
The unit number of the affected Unit is written to AR 00.
SR 27400 to
SR 27409
Special I/O Unit Restarting
Flags
These flags are turned ON while a Special I/O Unit is
restarting. Each bit corresponds to the Unit with the same
unit number.
AR Area
AR 0000 to
AR 0009
Special I/O Unit Error Flags
These flags are turned ON when there is an error in data
transfers between the PLC and the corresponding Special
I/O Unit or the same unit number has been set on more
than one Special I/O Unit. Each bit corresponds to the Unit
with the same unit number.
AR 0100 to
AR 0109
Special I/O Unit Restart Bits
Turn the corresponding bit OFF
→
ON
→
OFF to restart a
Special I/O Unit. Each bit corresponds to the Unit with the
same unit number.
DM Area
(PLC
Setup)
DM 6620
(bits 00 to 09)
Special I/O Unit Refresh Dis-
able Bits
Turn the corresponding bit ON to disable refreshing of the
corresponding Special I/O Unit (except Remote I/O Racks).
Each bit corresponds to the Unit with the same unit num-
ber.
Data area
Bit(s)
Name
Function