Chapter 5 Basic Instructions 
5-25 
Instruction code  Operand  Function 
PSTOP 
- 
Stopping executing the program in 
the PLC 
Symbol: 
     
Explanation: 
When the conditional contact is enabled, the instruction PSTOP stops the execution of the program, 
and the PLC stops running.   
Example: 
When X0.0 is ON, Y0.0 is set to ON, Y0.1 remains OFF, and the PLC stops running.