IDENTIFICATION
Installation
ID ISC.LRU1002
FEIG ELECTRONIC GmbH
Page 19 of 32
M61110-2e-ID-B.docx
4.4.2. Digital Inputs on connector X4
The optocouplers on Terminal X4 are galvanically isolated from the Reader electronics and must
therefore be externally supplied.
Figure 12: Digital inputs IN1 / IN2
Table 10: Pin Assignment digital Inputs IN1 / IN2
Pin Number
at Connector X4
Pin Assignment
11
IN1 -
12
IN1 +
13
IN2 -
14
IN2 +
Figure 13: Internal and external wiring of the digital inputs IN1 / IN2
NOTE:
The inputs are configured for a maximum input voltage of 24 V DC and an input current of
max. 20 mA.
Polarity reversal or overload on the input will destroy it.