Feig Electronic ID ISC.LRU3500-EU, Руководство пользователя

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OBID i-scan
®
UHF Installation ID ISC.LRU3000/3500
FEIG ELECTRONIC GmbH Page 18 of 32 M21016-3e-ID-B
4.4. Digital Inputs on connector X5
The optocouplers on Terminal X5 are galvanically isolated from the Reader electronics and must
therefore be externally supplied.
Figure 13: Optocoupler pin-outs IN1 – IN5
Figure 14: Internal and possible external wiring of the optocoupler inputs
Optocoupler input (X5/1-5):
The input LED associated with the optocoupler is connected internally to a series resistor of 500
Ω
.
For supply voltages of greater than 10V the input current must be limited to max. 20 mA by means
of an additional series resistor (see
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).
Table 11 shows the necessary external resistors for various external voltages U
ext
.