File Memory; Trace Memory - Omron CJ2 CPU UNIT SOFTWARE User Manual

EM Area Force-set/reset Function
A parameter can be set from the CX-Programmer to enable force-setting/resetting bits in specified EM
Area bank and all following EM Area banks. (This function is disabled in the default settings.)
This enables force-setting/resetting bits in the EM Area even if automatic address allocation areas are
not used. This function can be set for all EM Area banks.
Setting Procedure
1.
Select PLC - Memory Allocate - EM Memory Settings from the CX-Programmer.*
The EM Memory Settings Dialog Box will be displayed.
2.
Select the check box to enable the EM Area force-set/reset function and set the first EM Area
bank.
3.
Connect online to the CPU Unit and transfer the user program.
* CX-Programmer version 8.3 or higher is required to use the EM Area force-set/reset function.
Precautions for Correct Use Precautions for Correct Use
• When the EM Area force-set/reset function is enabled, the banks specified for the EM Area
force-set/reset function cannot be used as the current EM Area bank.
• The EM Area force-set/reset function cannot be used for EM Area banks that are being used
as trace memory or file memory.
• Force-setting and force-resetting are possible in MONITOR or PROGRAM mode. They cannot
be executed in RUN mode.
Refer to 10-7-1 Forced Set/Reset for the procedure to use to force-set/reset bits.

File Memory

File memory can be used to store files used by the CPU Unit. Refer to Section 7 File Operations for
details.

Trace Memory

Trace memory is used to data sampled for data tracing. Refer to 10-7-6 Tracing Data for details.
CJ2 CPU Unit Software User's Manual
6 I/O Memory Areas
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