Page 16
Draft
Rev. AX5
AdvanTag 9100 Technical Manual
Chapter 2: Theory of Operation
Data Storage—AdvanTag Reader
a
Data Storage—AdvanTag Reader
Memory
The ATR9100 can read/write up to 136 bytes of data from/to the transponder (MicroTag).
This memory is divided into two sections. The first is for Material Identification (MID),
which is configurable using the attribute set and can be up to 136 bytes long (range:
8-136, standard: 16). The second (Notepad) is for the balance of the memory. The
amount of available MID and Notepad memory is dependent upon the MicroTag used.
Two types of MicroTags are available, single page and seventeen page versions. Each
page contains 64 bits, resulting in eight bytes of memory per page. MicroTags are
available as read/write or read only.
MicroTags
The AdvanTag reader can interact with MicroTags with regard to the following information:
SECS communication:
• Are You There - This message is used to perform the heartbeat between the host
and the connected device.
• Read Attribute Request - This message requests the current values of ECID or
SVID of the subsystem component indicated in TargetID.
• Write Attribute Request - This message requests the subsystem to set the value
of ECID of the component specified in TargetID to configure desired behavior.
Only applicable write-able attributes (like ECID) may be used in this message.
• Read Data Request - This message reads the “NOTEPAD” (Linear Memory) sec-
tion of the subsystem component indicated in TargetID.
• Write Data Request - This message writes data to the NOTEPAD section of the
subsystem component indicted in TargetID.
• Read Material ID Request - This message is used to request the subsystem indi-
cated by TargetID to read an MID.
• Write Material ID Request - This message is used to request the subsystem indi-
cated by TargetID to write a Material identifier.
• Subsystem Command Request - This message is used to request the subsystem
indicated in TargetID to perform a specific action. Included in this set are the fol-
lowing commands: SSCMD 04 - LED BLINK/ON/OFF on Node Device; SSCMD
07 - Perform Diagnostics; SSCMD 13 - Reset; SSCMD 15 - Change State;
SSCMD GetStatus.
• Event Report Send - This message is used to send events to the host. Included in
this set are the following commands: CEID 01 - Material (Pod/Cassette) Arrival
Event; CEID 02 Material (pod/Cassette) Removal Event; CEID 03 - Operator
Arrival Event; CEID 04 - Operator Leaving Event; CEID 08 - AdvanTag/LinkMan-
ager Power up; CEID 09 - Code Upgrade Event.
Summary of Contents for Advantag 9100
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