Features Section 1-2
8
1-2 Features
Using the CX-Simulator with the following features can reduce man-days for
program debugging.
1-2-1 Features
Possible to simulate operation of the Virtual CPU Unit on the computer.
The CX-Simulator simulates operation of the SYSMAC CS/CJ-series CPU
Unit. The operation of programs can be easily checked without an actual PLC
being connected. Using the CX-Simulator combined with the CX-Programmer
allows to develop/debug programs on a single computer.
Easily use the CX-
Programmer on the same
computer
Programs for the Virtual CPU Unit on the CX-Simulator can be seamlessly
debugged with the CX-Programmer that has been used. The powerful moni-
toring functions (including those for a ladder diagram window and present
values) can be used as they used to be.
Furthermore, when CX-Programmer version 3.0 or higher is used with CX-
Simulator version 1.3, the CX-Simulator can be started and placed online
from the CX-Programmer.
Calculate the virtual cycle
time
An estimated cycle time for operation on the actual PLC can be obtained as a
virtual cycle time, which is different from an elapsed time on the computer.
Use it as a tentative time for operation on the actual PLC.
Dedicated debugging function
Adding dedicated debugging functions to the CX-Simulator enables more
detailed debugging than that of CX-Programmer + actual CS/CJ-series PLC.
Step Run A program can be executed in the unit of instruction. Peripheral servicing
during a stoppage by the address execution enables monitoring of program
being executed.
Start point, break point, and
I/O break conditions
A program can be executed from any mnemonic code by designating a start
point. Setting multiple break points and break conditions depending on the I/O
memory status enables to pause a program at any point and on any condi-
tions.
Scan Replay Scan Replay returns the program conditions to those just prior to the scan
started. The program can be replayed on the same conditions any times.
Check the number and the
time of executions of each
task
Displaying the number and the time of executions of each task will help solve
the bottleneck in executions, reducing the cycle time by re-division of the
tasks.
Simulated startup of inter-
rupt tasks
Simulated startup of interrupt tasks at any timing enables to debug interrupt
processes.
Serial communications
In the CX-Simulator, debugging serial communications is possible by: (1) ac-
tual communications to an external serial communications device using a
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