KEYENCE GL-RHG Series - Manual (Page 61)

3-13 GL-RHG-M-NO3-E
In
sta
llatio
n
to
a Mac
h
in
e
3
3-4
Installation Distance from Glossy Surfaces
If there is a glossy surface around the GL-RHG, the GL-RHG may be affected and may not detect an inter-
ruption in the protective zone.
To avoid this problem, installation must be done according to the following:
When determining a specific installation distance, refer to the following values including the installation tol-
erance.
Operating
distance "X"
Minimum installation distance "Y"
Less than 3 m 0.13 m
3 m or more
X/2 × tan5° = 0.0437 X
Safe
Approaching direction
A=2.5°
Glossy surface
Area surrounding the
hazardous zone
Transmitter Receiver
Object
(Interruption)
Glossy surface
Area surrounding the
hazardous zone
Transmitter Receiver
Object (Interruption)
A
A
A
A
A A
Dangerous
Approaching direction
A=2.5°
Glossy surface
Area surrounding the
hazardous zone
Transmitter Receiver
Object
(Interruption)
Glossy surface
Area surrounding the
hazardous zone
Transmitter Receiver
Object (Interruption)
A
A
A
A
A A
Y
X
Glossy surface
Glossy surface
X
Y
Transmitter Receiver
5°
Tran
smi
tter
Re
ceiv
er