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SICK WS34 Manual De Instrucciones página 23

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5
Electrical installation
5.1
Notes on electrical installation
8009200.1DM8/2022-09-05 | SICK
Subject to change without notice
NOTE
Swap the sender and receiver arrangement at every second through-beam photoelec‐
tric sensor and ensure that there is sufficient distance between the through-beam
photoelectric sensors.
Sender (WS)
Receiver (WE)
Sender (WS)
Figure 1: Arrangement of several through-beam photoelectric sensors
Note the sensor's maximum permissible tightening torque of 2 Nm.
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.
The electrical installation must only be performed by electrically qualified person‐
nel.
Standard safety requirements must be observed when working on electrical
systems!
Only switch on the supply voltage for the device when the connection tasks have
been completed and the wiring has been thoroughly checked.
When using extension cables with open ends, ensure that bare wire ends do not
come into contact with each other (risk of short-circuit when supply voltage is
switched on!). Wires must be properly insulated from each other.
Wire cross-sections in the supply cable from the user's power system must be
selected in accordance with the applicable standards.
Operation in short-circuit protected network at max. 8 A.
OPERATING INSTRUCTIONS
Receiver (WE)
Sender (WS)
Receiver (WE)
O P E R A T I N G I N S T R U C T I O N S | WS/WE34
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We34