HERMOS LFM LP Reader - Stream 18 (Control and Data Transfer)

Protocol description ASCII, SECS/HSMS
Customer manual
Version 1.2
LFM LP Reader 15.01.2019
Page 93 of 119
HERMOS AG
Gartenstrasse 19 Tel. +49(9279) 991-0
D-95490 Mistelgau Fax. +49(9279) 991-100
11.3.6 Stream 18 (control and data transfer)
S18F0: ABORT TRANSACTION (reading device <-> host)
This message is used instead of an expected reply to cancel an action.
S18F0 (header only, no additional elements)
S18F1: Read parameter (host -> reading device, reply)
This message requests the current values of the parameters or states.
Several attributes can be queried simultaneously by one message.
S18F1 W
<L,2
<TARGETID>
< Ln
<ATTRID1>
…
<ATTRIDn>
>
>
>
S18F2: Read parameter, confirmation (reading device -> host)
This message requests the current values of the requested parameters or states.
S18F2
<L,4
<TARGETID>
<SSACK>
< L,n
<ATTRVAL1>
…
<ATTRVALn>
>
< L,1
<STATUSLISTE>
>
>
If the ATTRID of the S18F1 message is not known, the corresponding element
ATTRVAL receives the value <nothing>.
S18F3: Write parameter (host -> reading device, reply)
The message transmits a request to the reading device to set (overwrite) the value of the transferred
parameters.