User's Manual

RS232-Transponder Reader
(SECS1-Protocol), Release 0.3 Draft Page 78 of 91
2000-09-29
ID: ID000093
9.6.3 S18F3: WRITE ATTRIBUTE REQUEST (WAR) (host -> reader, reply)
This message requests the subsystem to set the value of read/write attributes of the
component specified in TARGETID.
S18F3 ,W
L,2
1. A,8 <TARGETID>
2. L,n
1. L,2
1. <ATTRID
1
>
2. <ATTRVAL
1
>
…
n. L,2
1. <ATTRID
n
>
2. <ATTRVAL
n
>
9.6.4 S18F4: WRITE ATTRIBUTE ACKNOWLEDGE (WAA) (reader -> host)
This message acknowledges the success of failure of the request to write attribute
data to the subsystem indicated in TARGETID.
S18F4
L,3
1. A,8 <TARGETID>
2. A,2 <SSACK>
3. L,s
1. <STATUS
1
>
…
s. <STATUS
s
>
s=0 if the target component is unknown