OPERATING INSTRUCTION
4.3
Electronics
en
4.3.1
Notes on UL approval
4.4
Alignment
20
O P E R A T I N G I N S T R U C T I O N | GRL18
The sensors must be connected in a voltage-free state (V
graphics [B] must be observed, depending on the type of connection:
–
Male connector connection: pin assignment
–
Cable: core color
1
brn
+ (L+)
2
wht
Q
3
blu
- (M)
4
blk
Q
Figure: B:GRL18 -x24xx
brn
+ (L+)
wht
Q
blu
- (M)
blk
Q
Figure: B: GRL18-x11xx, -x12xx
Only apply voltage/switch on the power supply (V
have been completed. The green LED indicator lights up on the sensor.
Explanations of the connection diagram (Graphic B):
Switching outputs Q and /Q (according to Graphic B):
GRL18-P (PNP: load -> M)
GRL18-N (NPN: load -> L+)
UL: Only for use in applications in accordance with NFPA 79. These devices shall be
protected by a 1 A fuse suitable for 30 V DC.
Adapters listed by UL with connection cables are available.
Enclosure type 1.
Align the sensor with a suitable reflector. Select the position so that the red emitted
light beam hits the center of the reflector. The sensor must have a clear view of the
reflector, with no object in the path of the beam [see
optical openings of the sensor and reflector are completely clear.
= 0 V). The information in the
S
> 0 V) once all electrical connections
S
figure
2]. You must ensure that the
8016955.1HT2/2022-11-11 | SICK
Subject to change without notice