Feig Electronic OBID i-scan ID ISC.LRM2500-A, Installation Manual

Page: 14 / 30

OBID i- scan
®
HF Installation ID ISC.LRM2500-A
FEIG ELECTRONIC GmbH Page 14 of 30 M10210-4e-ID-B.docx
Note:

The input is configured for a maximum input voltage of 24 V and an input current of
maximum 20mA.

Reversing the polarity or overloading the input will destroy it.
Jumper Description
J1 Series resistance IN1 (X2)
J2 VCC IN1 (X2)
J3 Series resistance IN2 (X2)
J4 VCC IN2 (X2)
J5 Series resistance IN3 (X2)
J6 VCC IN3 (X2)
Table 4: Jumpers for inputs IN1,IN2 and IN3
Table 5 shows the required external series resistances for the various external voltages
External voltage U
ext
Jumper J1/J3/J5
5 V ... 10 V ON
10 V ... 24 V OFF
Table 5: Required external series resistance
Table 6 shows the jumper setting for external or internal supply voltage
Jumper Jumper J2/J4/J6
external voltage OFF
internal VCC voltage ON
Table 6: Internal / External supply voltage
Note:

The internal 24V voltage for supplying the DC voltage on the digital inputs is not
protected by the fuse F1.

Using internal and external voltage at the same time can destroy the reader.