SICK UM18-2 Pro - Electrical Connection; Safety; Wiring Notes

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 o.
• Connect and disconnect cable connections only when
the power is o.
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.