8014865/ZUJ3/2018-11-29 • © SICK AG • Subject to change without notice 19
Electrical connection
6 Electrical connection
6.1
Safety
Incorrect supply voltage
IMPORTANT!
Equipment damage due to incorrect supply voltage!
An incorrect supply voltage may result in damage to
the equipment.
For this reason:
• Operate the ultrasonic sensor using only a protected
low voltage and safe electrical insulation as per
Protection Class III.
Working with live parts
IMPORTANT!
Equipment damage or unpredictable operation due to
working with live parts!
Working with live parts may result in unpredictable
operation.
For this reason:
•
Carry out wiring work only when the power is off.
• Connect and disconnect cable connections only when
the power is off.
6.2
Wiring notes
IMPORTANT!
Faults due to incorrect wiring!
Incorrect wiring may result in operational faults.
For this reason:
• Follow the wiring notes precisely.
NOTE!
We recommend using preassembled cables for
the wiring.
→
For preassembled cables, see Internet
"www.sick.com/um18", Accessories.