IDEC FS1A Controller - Manual (Page 52)

5-11
Operation example (Logic 2)
Emergency stop
Solenoid output OFF
Guard lock
switch
Safety switch
with lock
(Spring lock type)
Non-contact
interlock switch
Contactor/
safety relay ON
Machine running
Contactor/
safety relay OFF
Open!
or
Machine stop
Solenoid output ON
Guard lock release
Safety switch
with lock
(Spring lock type)
Press!
・ Emergency stop switches in the rest position.
and
・ Movable guard is closed.
(All NO contacts are ON and NC contacts are OFF of
Non-contact interlock switches.)
・ Start input is ON ・ Safety outputs are ON.
・ Emergency stop switch is pressed.
or
・ Movable guard is opened.
(NO contact is OFF or NC contact is ON of
Non-contact interlock switch.)
・ Safety outputs are OFF.
・ Solenoid outputs are ON.
・ Safety outputs are ON.