9 PLC Setup
9-4
CJ2 CPU Unit Software User’s Manual
9-2 PLC Setup Settings
The following table gives the default settings in the PLC Setup. To change the settings, edit the PLC
Setup with the CX-Programmer, and then transfer the PLC Setup to the CPU Unit.
* Cannot be selected for Serial PLC Links.
CX-Program-
mer PLC
Setup Tab
Page
Setting name
Applicable CPU Units
Default Page
CJ2H
CPU
Units
CJ2M
CPU
Units
Startup
Startup Hold Set-
tings
Forced Status Hold
Bit
Yes Yes Not retained when
power is turned ON.
9-5
IOM Hold Bit Yes Yes Not retained when
power is turned ON.
9-6
Operating Mode Yes Yes RUN mode 9-7
Execution Setting Start running pro-
gram before initializ-
ing Unit/Inner board
recognition
Yes Yes Do not start. 9-7
CPU Unit Set-
tings
Execute Process
Settings
Do not detect Low
Battery
Ye s Ye s D e t e c t. 9 - 8
Detect Duplicated
Refreshing Error
Ye s Ye s D e t e c t. 9 - 1 0
Stop CPU on
Instruction Error
Yes Yes Do not stop. 9-10
FAL Error Log Reg-
istration
Yes Yes Register to error log. 9-11
Background Execution Settings Yes Yes Not executed in back-
ground.
9-12
Comms Instructions
Settings in FB
Retry Counts Yes Yes 0 times 9-13
Response Timeout Yes Yes 2 s 9-13
Timings/Syn-
chronous Set-
tings
Watch Cycle Time Yes Yes 1,000 ms (1 s) 9-14
Constant Cycle Time (Minimum Cycle
Time)
Yes Yes Not Constant 9-15
Scheduled Interrupt Interval Yes Yes 10 ms 9-16
Power Off Detection Time Yes Yes 0 ms 9-17
Power Off Interrupt Yes Yes Do not use. 9-18
Enable High-speed Interrupt Function Yes No Do not enable. 9-18
Use Synchronous Operation Yes No Do not use. 9-18
Special I/O
Unit Cyclic
Refreshing
Disable SIOU Cycle Refresh Yes Yes Not disabled. 9-19
Unit Settings Input response times for Basic I/O Units Yes Yes 8 ms 9-19
Serial Port
Mode (Pin 5 on the DIP switch on the CPU
Unit must be OFF (default) to set the
mode.)
Yes Yes* Host Link 9-23
Peripheral Ser-
vice
Execution Mode Yes Yes Normal 9-30
Set Time to All Events Yes Yes 10% of cycle time 9-30
FINS Protec-
tion
Settings for FINS write protection via net-
work
Yes Yes FINS write protection
disabled.
9-31
I/O Module
Function allocations and detailed settings
for Pulse I/O Modules.
No Yes --- 9-32