Panasonic FP7 Series Command Reference Manual page 108

3.1 ST, ST/, OT (START, START NOT, OUT)
■
Precautions for programming
● The "ST" and "ST/" instructions are initiated from the bus bar.
● When an external switch (e.g., emergency stop switch) is a Form B (normally closed), be
sure to use the ST instruction in the program.
3-4 WUME-FP7CPUPGR-12