Setup Guide

“I” – Inventory Control
“I” – Inventory Control
I[<SUBCMD>[<PARAMS>]]
The I command and sub-commands are used to set and get the parameters that control the
flow of the Gen2 anti-collision algorithm. Modifications to the default parameters may be
helpful in cases where there are a large number of tags in the field or when it is desirable to
increase the number of redundant reads for a given tag.
Sub-Commands
Sub
Command Description
Legal Values
for SET
I
Display all of the Inventory Control settings. -
IB
When performing a write operation as part of an inventory sequence, a
read operation is usually performed before the write.
Issue:
IB0 to send the read before the write.
IB1 to block sending of the read before the write
In Blockwrite operations, you may choose to issue a ReqRN command
before the Blockwrite. (Needed for NXP G2iL+ block write)
Issue:
IB2 to turn OFF send REQRN before the BLOCKWRITE.
IB3 to turn ON send REQRN before the BLOCKWRITE
-
IN NOTAG reporting
• This will report a message if the whole round (all slots) did not find
any tag.
• Useful for evaluating performance, for example: looking for
frequencies that do not read well...or comparing how well setup
values for the receiver or the protocol are working.
0 or 1
IR Reset inventory parameters to values.
-
II Inner Loop Count
Each INNERLOOP runs a tag acquisition STATEMACHINE.
0..FF
IL Gen2 SEL Flag
Value used in QUERY for the SEL field. See G2 spec. Usually set to 0.
0..3
IO Oneshot Mode
inventory will terminate after first tag is seen
0 or 1
IP Outer Loop Pause Time
Time in msec to delay after each outer loop before starting another
0..99999 (Decimal)
26