Operating Instructions
LMS1xx Laser Measurement Sensors
Electrical installation
8012471/ZN27/2017-06-09 © SICK AG · Germany · All rights reserved · Subject to change without notice 71
Chapter 6
6.3 Preparing the electrical installation
6.3.1 Supply voltage
For commissioning and operating the LMS1xx, type-dependent the following power supply
voltages as per IEC
60 364441 as well as power drains of the custome-specific power
supply unit are required:
For recommended fuse values, please see Section “Protection of Supply Cables” on
page 50.
Use safety transformer
The output circuit of the power supply must be safely electrically isolated from the input
circuit, this feature is normally provided by a safety transformer in accordance with IEC
742
(VDE 0551).
6.3.2 Wire cross-sections
Wire all connections with copper cables!
Use the following wire cross-sections:
See also Section 10.1 “Data sheet LMS1xx/LMC1xx laser measurement sensor” on
page 91.
Device Power supply voltage Power drain
LMS10x
LMS11x
LMS15x
DC 10.8 V … 30 V LMS100: Typcial 10 W
LMS111: Typcial 55 W with maximum heating performance
LMS151: Typcial 55 W with maximum heating performance
LMS12x
LMC12x
LMS13x
LMS14x
LMS173
LMS182
LMC13x
DC 9 V … 30 V LMS12x: Typcial 10 W
LMC12x: Typcial 10W
LMS13x: Typcial 55 W with maximum heating performance
LMS141: Typcial 55 W swith maximum heating performance
LMS173: Typcial 10 W
LMS182: Typcial 55 W with maximum heating performance
LMC13x: Typcial 55 W with maximum heating performance
Tab. 27: Power supply voltages and power consumptions of LMS1xx
Connection of Wire cross-sections
Power supply voltage At least 0.25 mm², if local power supply (power supply unit) in the
immediate vicinity
At least 1.0 mm² at maximum cable length of 20 m, if connection is
made to an existing DC 24 V power supply
Switching outputs At least 0.25 mm², maximum cable length 50 m with 0.5 mm²
Data interfaces At least 0.25 mm²
Tab. 28: Required wire cross-sections
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