IDEC FS1A Controller - Manual (Page 43)

5-2
Operation example (Logic 1)
Emergency stop
switch
Interlock switch
Safety switch
with lock
(Spring
lock type)
Contactor/
safety relay ON
Solenoid output OFF
Guard lock
Machine running
Contactor/
safety relay OFF
Press!
Solenoid output ON
Guard lock release
Open!
or
Machine stop
・ All of emergency stop switches are released.
and
・ Movable guard is closed.
(All contacts of interlock switches are ON.)
・ Start input is ON ・ Safety outputs are ON.
・ Emergency stop switch is pressed.
or
・ Movable guard is opened.
(Contacts of interlock switch are opened.)
・ Safety outputs are OFF.
・ Solenoid outputs are ON.
・ Safety outputs are ON.