KEYENCE GL-RHG Series - Manual (Page 39)

2-5 Temporary Suspension of Safety Function
2-15 GL-RHG-M-NO2-E
Fu
nct
ion
s and
Feat
ures
2
(3) The workpiece interrupts the beam
of sensor A1 first, and then inter-
rupts the beam of A2. Then, the
GL-RHG goes into the muted con-
dition and the OSSD does not turn
off even if the GL-RHG detects an
interruption.
Sensor A2
Safety zone Hazardous zone
Receiver
Beam axis
Transmitter
GL-RHG
Workpiece
Movement
Sensor B2
Sensor B1
Sensor A1
V
Movement
V
(4) The workpiece is passing through
the detection area of the GL-RHG.
The GL-RHG still continues the
muted condition.
Sensor A2
Safety zone Hazardous zone
Receiver
Beam axis
Transmitter
GL-RHG
Workpiece
Sensor B2
Sensor B1
Sensor A1
(5) The GL-RHG goes back to normal
operation (not muted) when sensor
B1 turns off after the workpiece has
been passed.
Movement
V
Sensor A2
Safety zone Hazardous zone
Receiver
Beam
axis
Transmitter
GL-RHG
Workpiece
Sensor B2
Sensor B1
Sensor A1