FEIG ELECTRONIC GmbH Page 11 of 32 M21016-3e-ID-B
4.2. Power Supply
4.2.1. Power Supply via connection X1
The supply voltage of 24 V DC has to be connected to Terminal X1.
Table 6: Pin assignment for power supply
Terminal Abbreviation Description
X1 / Pin 1 VDC Vcc – supply voltage 24VDC +-5%
X1 / Pin 2 GND Ground – supply voltage
Figure 4: Connection for the power supply
CAUTION:
The reader has to be supplied by a limited power supply (e.g. NEC Class 2/LPS power sup-
ply) according IEC EN 60950-1 chapter 2.5, only.
Reversing the polarity of the supply voltage may destroy the device.
Each reader has to be supplied by a separate external power supply.
An operation of an ID ISC.LRU3500 via an external power supply and Power over Ethernet
(PoE) at the same time is not recommended and can cause interferences during operation.
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