Brooks Automation
278580 Revision A
117
LF80C ZeniD RFID Reader
7 Operation
Product Manual
7.3 Operation of SECS Protocol
S18F3: WRITE ATTRIBUTE REQUEST (WAR) (host -> reader,
reply)
This message requests the subsystem to set the value of the read/write
attributes of the component specified in the TARGETID.
S18F3 ,W
L,2
1. <TARGETID>
2. L,n
1. L,2
1. <ATTRID1>
2. <ATTRVAL1>
n. L,2
1. <ATTRIDn>
2. <ATTRVALn>
S18F4: WRITE ATTRIBUTE ACKNOWLEDGE (WAA) (reader ->
host)
This message acknowledges the success or reports the error of the request
to write attribute data to the subsystem indicated in the TARGETID.
S18F4
L,3
1. <TARGETID>
2. <SSACK>
3. L,1
L,s
1. <STATUS1>
…
s. <STATUSs>
If the ATTRID of the S18F3 message is unknown, a communication error
(CE) occurs.
