Chapter 3 Operating Instructions
UE403
12 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8010854/WP71/2012-11-28
Subject to change without notice
Product description
3.2 Operating principle of the device
3.2.1 Principle of the device
The UE403 is a switching amplifier. It processes certain signals from the M4000 Advanced
multiple light beam safety device and combines them with signals from the
devices/systems that are connected to the UE403. Such signals can come from:
• muting sensors
• muting lamps
• control switches for e.g. reset or override
• external controls, e.g. signal for belt stop
Fig. 1: Principle of the device
UE403
connection UE403
connection M4000
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