I/O Memory Allocation
9-3 I/O Memory Allocation
9-3-1 PLC Setup Settings
Item
Basic I/O Unit Input
Response Time
Rack 0 to 7, Slot 0 to 9
IOM Hold Bit Status at
Startup
Forced Status Hold Bit
at Startup
Startup Mode
Detect Low Battery
200
CS/CJ-series PLC
Settings
00: 8 ms
Sets the input response time (ON
10: 0 ms
response time = OFF response
11: 0.5 ms
time) for CS/CJ-series Basic I/O
12: 1 ms
Units. The default Setting is 8 ms
13: 2 ms
and the setting range is 0 ms to
14: 4 ms
15: 8 ms
32 ms.
16: 16 ms
17: 32 ms
Default: 00 (8 ms)
0: Cleared
This setting determines whether
1: Retained
or not the status of the IOM Hold
Bit (A50012) is retained at
Default: 0
startup.
When you want all of the data in
I/O Memory to be retained when
the power is turned on, turn ON
the IOM Hold Bit and set this
setting to 1 (ON).
0: Cleared
This setting determines whether
1: Retained
or not the status of the Forced
Status Hold Bit (A50013) is re-
Default: 0
tained at startup.
When you want all of the bits that
have been force-set or
force-reset to retain their forced
status when the power is turned
on, turn ON the Forced Status
Hold Bit and set this setting to 1
(ON).
PRCN:
This setting determines whether
Programming
the startup mode will be the mode
Console's mode
set on the Programming Con-
switch
sole's mode switch or the mode
set here in the PLC Setup. (If this
PRG:
setting is PRCN and a Pro-
PROGRAM
gramming Console isn't con-
mode
nected, the CPU Unit will auto-
matically enter PROGRAM mode
MON: MONITOR
at startup.)
mode
RUN: RUN mode
Default: RPCN
0: Detect
This setting determines whether
1: Do not detect
CPU Unit battery errors are de-
tected. If this setting is set to 0
Default: 0
and a battery error is detected,
the Battery Error Flag (A40204)
will be turned ON.
Function
Section 9-3
CX-Simulator
Settings
Function
Not used.
Same as
CS/CJ-series
PLC.
Same as
CS/CJ-series
PLC.
As this setting
PRCN
is fixed to
(fixed)
PRCN, the
CPU Unit will
automatically
enter
PROGRAM
mode.
Not used.