21 operation example (logic 3) – IDEC FS1A Controller User Manual

Page 62

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5-21

Operation example (Logic 3)

Emergency stop

Safety light
curtain

PNP)

Interlock switch

switch

Contactor/
safety relay ON

Machine running

Solenoid output OFF

Guard lock

Safety switch
with lock

Spring lock type)

Contactor/
safety relay OFF

Machine stop

Shade!

Solenoid output ON

Guard lock release

Safety switch
with lock
(Spring lock type)

Emergency stop switch is released.

and

Invasions through

the

opening are not detected.

Start input is ON

Safety outputs are ON.

Emergency stop switch is pressed.

or

Invasion through opening is detected.

Safety outputs are OFF.

Solenoid outputs are ON.

Safety outputs are ON.

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