OBID
i-scan
®
HF
Installation
ID ISC.M02
FEIG ELECTRONIC GmbH
Page 10 of 27
M20301-4e-ID-B.doc
3.2.1 Supply voltage
The reader has to supplied by a limited power supply (e.g. NEC Class 2/LPS power supply) ac-
cording IEC EN 60950, only.
The ID ISC.M02-B must be supplied only by a regulated power supply.
If switching power supplies are used with the module, be sure that there is adequate filtering.
Noise from the power supply can result in a reduction of the read/write range of the module.
The cable length from the power supply should be as short as possible, and should in any case not
exceed 3 m.
X1
Pin no.
Function
Description
ID ISC.M02-B
8
VCC *
+ 5 V DC
±
5%
9, 4
GND **
GND
*
Use only regulated power supplies !
** GND-Pins 4 and 9 are to be connected directly to each
other on the Reader Module
Table 2
: Pin assignments for X1
NOTE:
•
Reversing the polarity of the supply voltage may destroy the device.
•
Supply voltages outside the specifications may destroy the device.