I/O Memory Allocation Section 9-3
218
Address CS/CJ-series PLC CX-Simulator
Words Bits
Name
Function Settings Function Settings
A392 A39212 Peripheral
Port Com-
munications
Error Flag
ON when a communications
error has occurred at the pe-
ripheral port. (Not valid in pe-
ripheral bus mode or NT Link
mode.)
1: Error
0: No error
Not used.
A39300
to
A39307
RS-232C
Port PT
Communica-
tions Flag
The corresponding bit will be ON
when the RS-232C port is com-
municating with a PT in NT link
mode.
Bits 0 to 7 correspond to units 0
to 7.
1: Commu-
nicating
0: Not
communi-
cating
Same as
CS/CJ-series
PLC.
A39308
to
A39315
RS-232C
Port PT Pri-
ority Regis-
tered Flags
The corresponding bit will be ON
for the PT that has priority when
the RS-232C port is communi-
cating in NT link mode.
Bits 0 to 7 correspond to units 0
to 7.
1: Priority
registered
0: Priority
not regis-
tered
Not used.
A393
A39300
to
A39315
RS-232C
Port Recep-
tion Counter
(No-protocol
mode)
Indicates (in binary) the number
of bytes of data received when
the RS-232C port is in
no-protocol mode.
Same as
CS/CJ-series
PLC.
A39400
to
A39407
Peripheral
Port PT
Communica-
tions Flag
The corresponding bit will be ON
when the peripheral port is
communicating with a PT in NT
link mode.
Bits 0 to 7 correspond to units 0
to 7.
1: Commu-
nicating
0: Not
communi-
cation
Not used. A394
A39408
to
39415
Peripheral
Port PT Pri-
ority Regis-
tered Flags
The corresponding bit will be ON
for the PT that has priority when
the peripheral port is communi-
cating in NT link mode.
Bits 0 to 7 correspond to units 0
to 7.
1: Priority
registered
0: Priority
not regis-
tered
Not used.
A39511 Memory
Corruption
Detected
Flag
ON when memory corruption is
detected when the power supply
is turned ON.
1: Memory
corruption
0: Normal
operation
Not used. A395
A39512 DIP Switch
Pin 6 Status
Flag
The status of pin 6 on the DIP
switch on the front of the CPU
Unit is written to this flag every
cycle.
1: Pin 6 ON
0: Pin 6
OFF
Same as
CS/CJ-series
PLC.
Not set in
the Pro-
gram mode
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