User's Manual

RS232-Transponder Reader
(SECS1-Protocol), Release 0.3 Draft Page 80 of 91
2000-09-29
ID: ID000093
If DATASEG and DATALENGTH are both omitted (zero length items) then all data
is to be overwritten. If only DATALENGTH is omitted or if DATALENGTH has a
value of zero, then all data within the indicated section are to be written.
9.6.8 S18F8: WRITE DATA ACKNOWLEDGE (WDA) (reader -> host)
This message acknowledges the success or failure of writing data to the subsystem
indicated in TARGETID.
S18F8
L,3
1. A,8 <TARGETID>
2. A,2 <SSACK>
3. L,s
1. <STATUS
1
>
…
s. <STATUS
s
>
s=0 if TARGETID is unknown
9.6.9 S18F9: READ ID REQUEST (RIR) (host -> reader, reply)
This message is used to request the subsystem indicated by TARGETID to read an
identifier.
S18F9,W
L,3
1. A,8 <TARGETID>
9.6.10 S18F10: READ ID DATA (RID) (reader -> host)
This message returns a requested material identifier MID as read by the subsystem
indicated in TARGETID.
S18F10
L,4
1. A,8 <TARGETID>
2. A,2 <SSACK>
3. A,8 <MID>
4. L,s
1. <STATUS
1
>
…
s. <STATUS
s
>
s=0 if and only if TARGETID is unknown.