Safety Cpu Operation Mode - Mitsubishi MELSEC QS Series User Manual

6
FUNCTIONS

6.2 Safety CPU Operation Mode

6.2.1 Safety CPU operation mode
The safety CPU operation mode has "SAFETY MODE" and "TEST MODE".
Switch the safety CPU operation mode by operations from GX Developer.
(1) SAFETY MODE
Program,
parameters, and
device data cannot
be changed.
6
- 2 6.2 Safety CPU Operation Mode
6.2.1 Safety CPU operation mode
This mode is used for the main operation of the safety-related system.
In SAFETY MODE, to protect this system while it is operating, operations that change
safety PLC control, such as writing to PLC and device test, are prohibited.
Program
Parameter
Device data
GX Developer
Diagram 6.1 SAFETY MODE operation
CPU module
(Execute the program operations)
CC-Link Safety master module
CC-Link Safety
Input from the
controlled system.
Output the program
operation results.
Controlled system