SICK WLA12L, Operating Instructions Manual

Page: 28 / 212

3 Product description
3.1 Operating elements and status indicators
WLA12Lx-xxxxxx00 WLA12Lx-xxxxxx30
Preset default - no possibility of setting Teach-in button
3
4
1
2
4
1
3
1
BluePilot blue: alignment aid
2
Teach-in button: Adjusting the sensing range
3
Green LED: supply voltage active
4
Yellow LED: status of received light beam
4 Mounting
Mount the sensor and the reflector using suitable mounting brackets (see the SICK
range of accessories). Align the sensor and reflector with each other.
Note the maximum permissible tightening torque for the sensor of 1.4 Nm.
5 Electrical installation
5.1 Notes on electrical installation
NOTICE
Equipment damage due to incorrect supply voltage!
An incorrect supply voltage may result in damage to the equipment.
■
Only operate the device with safety/protective extra-low voltage (SELV/PELV).
■
The sensor is a device of protection class III.
■
Only operate the device with an LPS (limited power source) in accordance with
IEC 62368-1 or an NEC Class 2 power supply unit.
NOTICE
Equipment damage or unpredictable operation due to working with live parts!
Working with live parts may result in unpredictable operation.
■
Only carry out wiring work when the power is off.
■
Only connect and disconnect electrical connections when the power is off.
OPERATING INSTRUCTIONS
28 O P E R A T I N G I N S T R U C T I O N S | WLA12L 8027709/2022-04-12 | SICK
Subject to change without notice
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