ThingMagic Astra-EX, Руководство пользователя

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Advanced Reader Functionality
M6 and Astra-EX User Guide
64
ISO 18000-6B
Protocol Configuration Options
The M6 and Astra-EX, with appropriate license purchase, supports multiple ISO-18000-
6B profiles including the ability to specify the Return Link Frequency, encoding, Forward
Link Rate and modulation scheme. The protocol options are set in the MercuryAPI
Reader Configuration Parameters (/reader/iso18000-6b/*). The following table shows the
supported combinations:
Tag Read Meta Data
When tags are being inventoried by the M6 and Astra-EX, in addition to the tag EPC ID
resulting from inventory operation each
TagReadData
(see
MercuryAPI
for code details)
contains meta data about how, where and when the tag was read. The specific meta data
available for each tag read is as follows:
ISO-18000-6B Protocol Options
Return Link
Freq (kHz)
Return
Encoding
Forward Link
Freq (kHz)
Forward
Encoding
40 FM0 10 Manchester
40 FM0 10 Manchester
160 FM0 40 Manchester
160 FM0 40 Manchester
Tag Read Meta Data
Meta Data Field Description
Antenna ID The antenna on with the tag was read. If the same tag is read
on more than one antenna there will be a tag object returned
for each antenna on which the tag was read.
Read Count The number of times the tag was read on [Antenna ID].
Timestamp The time the tag was read. For accurate time an NTP server
should be configured.