User's Manual

Product Manual - RFID Reader UF70 Certum 99
Chapter 7
Operation
UFP – Set filter By setting and activating so-called filters, it is possible to only let certain EPC
transponders participate in the inventory. A total of 32 filters can be defined. The
use of a particular filter can be switched on and off by the UFP command.
1) See EPC Global specification "Select command" for a description
Example: Activate filter 01
>> UFP001FF
<< ufp00001
Filter 01 was activated
>> UFG001
<< ufg00001FF
Current status of filter 01
>> UFR001
<< ufr00001FF0000010200000010F0F0
Control read of filter data 01
Example: Deactivate filter 01
>> UFP00100
<< ufp00001
Filter 01 was deactivated
Host reader
CMD
Reader
ID
Filter
Num-
ber
On/
Off
Target
1)
Action
1)
Memory
bank
Memory
address
Number
of mask
bits N
Filter
mask
UFP 1 byte 2 bytes 2 bytes 2 bytes 2 bytes 2 bytes 8 bytes 2 bytes 2 *
Round
up (N /
8) bytes
Reader host
CMD Reader ID Result Filter Number
ufp 1 byte 2 bytes 2 bytes