35 BASIC CONCEPT
35.6 Safety Operation Mode
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Operations restricted in SAFETY MODE
When the safety operation mode is set to SAFETY MODE, the following operations cannot be performed.
Operation Restrictions
Writing data to the programmable controller Data cannot be written to files relating to safety control such as safety programs or safety CPU
parameters. ( Page 587 File operation available)
Device/label test (value changes) Device/label tests (value changes) cannot be conducted from external devices for the
following. (This includes value changes from the test function or monitor windows, and change
requests from other external devices.)
• Safety global devices
• Safety local devices
• Safety global labels
• Safety local labels
• Standard/safety shared labels
Memory operation Memory operations for the CPU built-in memory (including extended SRAM cassette) cannot
be performed from the engineering tool. ( Page 585 Memory operation)
However, SD memory card initialization is possible.
Security function Security key authentication
function
The following operations cannot be performed for the SIL2 Process CPU or extended SRAM
cassette.
• Registration
•Deletion
File password function The following operations cannot be performed for the SIL2 Process CPU.
• Registration
• Change
•Deletion
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