DTE4027 RFID Reader Module
User Manual
9
4 INSTALLATION PROCEDURE
4.1 Installation Requirements
In order to reduce unwanted emission in the spurious domain under the maximum regulatory limits, two
ferrites must be added on the cable connecting the RFID board to the instrument at a distance of 70 mm
maximum from the RFID board connector. The ferrites are mounted as described:
•
One ferrite on the power supply wires
•
One ferrite on the data and switch wires
•
Wires must make a loop one time through the ferrite
•
Ferrites must be Würth Elektronik P/N 7427114
4.2 Installation
Install the board with screws using the four holes. The PCB should be covered by an RF permissive
material cover (e.g. plastic).
Power the board with a regulated 5 VDC power supply.
4.3 Command set
The command set is described in the MFPROT_LP.pdf document that can be downloaded from
http://www.ibtechnology.co.uk/pdf/MFprot_LP.PDF
. Please refer to this document to control the board.
5 TROUBLESHOOTING
5.1 Error Messages
Error Message
Probable Cause(s)
LED doesn’t light up
Check the presence of 5VDC between pin 1 and 2 of the
connector
The board doesn’t respond to UART
Check the host baud rate
RFID Tag cannot be red
Check the tag type and distance to the reader
