OBID i-scan
®
System-Manual
ID ISC.MR/PR/PRH100/101-A
FEIG ELECTRONIC GmbH
Page 107 of 118
H01000-5e-ID-B.doc
Please consider that the timing of the inventory command [0xB0 0x01] is influenced by the “More Bit”.
The “More Bit” is set if the number of Transponders exceeds 16. So if the “More Bit” is set in the re-
sponse of the Reader to the inventory command, the communication time is influenced by the speed
of the host system.
Tx
Rx
Communication time
+
=
Execution time
More data requested
Host
Time Behavior for common commands with independent Transponder performance.
execution time
(ms)
Communication time at 38,4 kBaud
(ms)
functions
addressed
selected
addressed
selected
Stay Quiet
7,5
-
6,1
-
Select
9
-
6
-
Reset to Ready
9
5,5
6
3,8
Get System Infor-
mation
14
10,2
9,7
7,4
1 block
5,7
6,35
7,2
4,9
2 block
10,2
6,7
7,4
5,1
8 block
12,3
8,8
9,2
6,9
Get
multiple
block
security
status
32 block
21
17,3
16
13,7