User's Manual

OPERATION 5
69
HF5x Transponder Reader (SECS1-Protocol), Release 1.4
5.6.4 Subsystem Control and Data
S18F0: ABORT TRANSACTION (reader <-> host)
Used instead of an expected reply to abort a transaction. Function 0 is
defined in every stream and has the same meaning in every stream.
S18F0 W . * Header Only
S18F1: READ ATTRIBUTE REQUEST (RAR) (host -> reader,
reply)
This message requests the current values of specific attributes of the
subsystem component indicated in TARGETID.
S18F1 W
L,2
1. <TARGETID>
2. L,n
1. <ATTRID
1
>
…
n. <ATTRID
n
>
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 TARGETID.
S18F2
L,4
1. <TARGETID>
2. <SSACK>
3. L,n
1. <ATTRVAL
1
>
…
n. <ATTRVAL
n
>
4. L,1
L,s
1. <STATUS
1
>
…
s. <STATUS
s
>
If the ATTRID of the S18F1 message is unknown, the corresponding
ATTRVAL has the value <nothing>.