User's Manual

Brooks Automation
70 260301 Revision A
7 Operation ATR60LF RFID Reader CAN Bus
7.5 Operation of the SECS Protocol Product Manual
S9F9: TRANSACTION TIMER TIMEOUT (E -> H)
This message indicates that a transaction timer has timed out and that the
corresponding transaction was aborted. Only the last sent message (which
must be confirmed by the host) is stored and controlled.
S9F9
<B[10] SHEAD > .
Subsystem control
and data
S18F1: READ ATTRIBUTE REQUEST (RAR) (H -> E)
This message requests the current values of specific attributes of the
subsystem component indicated in the TARGETID.
S18F1 W
L,2
<TARGETID>
L,n
<ATTRID1>
…
<ATTRIDn>
S18F2: READ ATTRIBUTE DATA (RAD) (E -> H)
This message returns the current values of the requested attributes and the
current status of the requested component indicated in the TARGETID.
S18F2
L,4
<TARGETID>
<SSACK>
L,n
<ATTRVAL1>
…
<ATTRVALn>
L,s
<STATUS1>
…
<STATUSs>
If the ATTRID of the S18F1 message is unknown, the corresponding
ATTRVAL has the value <nothing>.