Precautions for Correct Use
• The memory in the Safety CPU Unit is not cleared even when you perform the Clear All
Memory operation for controllers. To clear the memory of the Safety CPU Unit, use the Clear
All Memory operation for NX Units.
• You can execute the Clear All NX Unit Memory operation for a Safety CPU Unit only when
the Safety CPU Unit is in PROGRAM mode.
Scope of Data to Clear and State of Memory After It Is Cleared
l Safety CPU Unit
Data item
I/O allocation information
Safety programs
Safety password
Event logs
l Safety I/O Units
Data item
FSoE slave address
Event logs
Precautions for Safe Use
After you clear the memory, the Controller operates in the same way as immediately after you
create the system configuration with the Controller in the factory default condition.
Procedure for Clear All Memory Operation
l Clear All Memory Operation for Units
1
Go online, right-click the Safety CPU Unit on the CPU Racks Tab Page or the Safety I/O Units,
and select Clear All Memory from the menu. You can select this menu command only when
the Safety CPU Unit is in PROGRAM mode.
The Clear All Memory Dialog Box for the NX Unit is displayed.
NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)
9 Checking Operation and Actual Operation
Status after clear all memory operation
This data is set to the default settings (I/O size = 0 bytes).
This data is set to the default settings (no programs).
This data is set to the default settings (no password).
Event logs are cleared if you select the Clear the event logs Option when you
execute the Clear All Memory operation.
Status after clear all memory operation
This data is set to the default setting (no setting).
Event logs are cleared if you select the Clear the event logs Option when you
execute the Clear All Memory operation.
9
9-71
Need help?
Do you have a question about the sysmac NX Series and is the answer not in the manual?