IDEC FS1A Controller - Manual (Page 72)

5-31
Operation example (Logic 4)
Contactor/
safety relay ON
Machine running
Muting lamp OFF
Safety light
curtain
（
PNP）
Muting sensor
（
PNP）
Emergency stop
switch
Safety light
curtain
（
PNP）
Muting sensor
（
PNP）
(Note) Make sure that the intersection of optical axes is within the hazardous area.
Contactor/
safety relay ON
Machine running
Muting lamp ON
Shade!
Machine stop
Shade!
Contactor/
safety relay OFF
Muting lamp OFF
Warning
When installing light curtains and muting sensors, ensure safety by referring to
IEC TS 62046 technical documents.
・ Emergency stop switch is released.
and
・ Invasions through opening are not detected.
・ Start input is ON ・ Safety outputs are ON.
・ Invasion through opening is detected
while muting sensors are shaded.
・ Safety outputs are ON.
・ Muting lamp outputs are ON.
・ Safety outputs are ON.
・ Invasion through opening is detected
while muting sensors are not shaded.
・ Safety outputs are OFF.
・ Safety outputs are ON.
Safety
light curtain
Muting lamp
Muting sensors
Hazardous Area
Work Objec t
(Note)
Muting lamp
Muting sensor beam blocked
Light curtain beams blocked
Hazardous Area
Light curtain blocked
Light curtain beams blocked
Light curtain beams blocked
Hazardous Area