Feig Electronic OBID i-scan ID ISC PRHD102, Manual

Page: 13 / 125

OBID i-scan
®
Manual ID ISC.PRHD102
FEIG ELECTRONIC GmbH Page 13 of 125 H71101-2e-ID-B.doc
Selected:
In this mode the Reader communicates only with the one, selected Transponder.
Before reading or writing data in selected mode, the UID of the Transponder must be
known. This is executed by sending at first the protocol “
8.1.1. [0x01] Inventory “. In a
second step the Transponder must be selected with the select command (see: 8.1.6.
[0x25] Select ) which must include its UID.
The following chart will show the necessary steps for the communication with a Trans-
ponder in selected mode:
Host (Terminal / PC / ....) Reader
Inventory
to get the UID
→
Transponder in antenna field ?
Yes No
←
status /
number of Trans-
ponders / UID
status =
no Transponder
←
select Transponder with UID
→
Transponder with the
correct UID in antenna field ?
Yes No
←
status /
Transponder read
data
status =
no Transponder
in Reader field
←
read data
→
selected Transponder in antenna field ?
Yes No
←
status /
Transponder read
data
status =
no Transponder
in Reader field
←
write data
→
selected Transponder in antenna field ?
Yes No
←
OK status status =
no Transponder
in Reader field
←