Brooks LF80C - Page 128

Brooks Automation
116 278580 Revision A
7 Operation LF80C ZeniD RFID Reader
7.3 Operation of SECS Protocol Product Manual
S9F9: TRANSACTION TIMER TIMEOUT (reader -> host)
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 its confirmation is temporally
controlled.
S9F9
< B[10] SHEAD > .
For more information on error codes and the corresponding correcting
actions please refer to .
Subsystem control
and data
S18F1: READ ATTRIBUTE REQUEST (RAR) (host -> reader,
reply)
This message requests the current values of specific attributes of the
subsystem component indicated in the TARGETID.
S18F1 W
L,2
1. <TARGETID>
2. L,n
1. <ATTRID1>
…
n. <ATTRIDn>
S18F2: READ ATTRIBUTE DATA (RAD) (reader -> host)
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
1. <TARGETID>
2. <SSACK>
3. L,n
1. <ATTRVAL1>
…
n. <ATTRVALn>
4. L,1
L,s
1. <STATUS1>
…
s. <STATUSs>
If the ATTRID of the S18F1 message is unknown, the corresponding
ATTRVAL has the value <nothing>.