OBID
i-
scan
®
HF
Installation
ID ISC.LRM2500-A
FEIG ELECTRONIC GmbH
Page 12 of 30
M10210-4e-ID-B.docx
3.6 X2: Optocoupler Inputs (X2 / IN1, IN2, IN3)
The three optocouplers inputs are available on Terminal X2.
X2
IN1-
REL3-COM
REL2-COM
REL1-COM
GND
IN3-
IN2-
GND
OUT2-E
IN1+
OUT1-C
GND
IN3+
IN2+
OUT2-C
REL3-NO
REL2-NO
REL1-NO
24V
OUT1-E
Figure 6: Optocoupler pin-outs on terminal X2
The optocoupler on terminal strips X2 are galvanically isolated from the Reader electronics and
must therefore be powered externally, see Figure
. The external VCC voltage may however be
provided by the reader, see Figure
All 3 inputs are identical and may therefore be configured individually.
470
+
IN1
-
Uext
820
J2
J1
24 V
470
+
IN2
-
Uext
820
J4
J3
24 V
470
+
IN3
-
Uext
820
J6
J5
24 V
Figure 7: External power supply for the optocouplers