IDENTIFICATION
Installation
ID ISC.LRU1002
FEIG ELECTRONIC GmbH
Page 10 of 32
M61110-2e-ID-B.docx
4.2. Power Supply
4.2.1. Power Supply via connection X2
The supply voltage of 24 V DC has to be connected to Terminal X2.
Figure 4: Connector X2 Pin assignment for power supply
Table 5: Pin assignment for power supply
Terminal
Abbreviation
Description
X2 / Pin 1
VDC
Supply voltage 24 V DC ±20 %
X2 / Pin 2
GND
Ground
– supply voltage
CAUTION:
The reader has to be supplied by a limited power supply according EN 62368-1 Chapter Q.1,
or with a NEC Class 2/LPS certified power supply.
Each reader has to be supplied by a separate external power supply.
Reversing the polarity of the supply voltage on X2 may destroy the device.
External wiring for the power supply must fulfil the following norms/validation procedure:
Conductor Cross-section
Validation procedure
from 0,5 mm
2
or bigger
IEC 60332-1-2 and IEC 60332-1-3
smaller than 0,5 mm
2
IEC 60332-2-1 and IEC 60332-2-2