Protocol description ASCII, SECS/HSMS
Customer manual
Version 1.2
LFM LP Reader
15.01.2019
Page 50 of 119
HERMOS AG
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Fax. +49(9279) 991-100
10.4.8 e
– Error message
This message is only available in standard ASC-I1 mode!
If an error occurs the device will send an error message with the respective error code.
This message must be acknowledged by the host
Device
Host
CMD
Reader-ID
Error ID
e
1 Byte
1 Byte
Further information about error codes and the corresponding measures can be found in the chapter
10.4.9 H
– Heartbeat
The command "H" sends a heartbeat request to the reader.
The reader responds with its serial number and a response code
.
Host
Device
CMD
Reader-ID
H
1 Byte -
also Reader ID F allowed
Device
Host
CMD
Reader-ID
Serial numberr
Response-Code
h
1 Byte
4 Bytes
4 Bytes
The heartbeat function can be performed for all 4 antenna ports (1 -4).
If another reader is operated as a customer variant on the RS232 port, a heartbeat can be sent to the
external reader via reader ID "5".
The response code is part of the protocol but is not used for this device.
The response code is always '0000'
.