Protocol description ASCII, SECS/HSMS
Customer manual
Version 1.2
LFM LP Reader
15.01.2019
Page 100 of 119
HERMOS AG
Gartenstrasse 19
Tel. +49(9279) 991-0
D-95490 Mistelgau
Fax. +49(9279) 991-100
Parameter
Following the list of parameters, a description of each value follows
.
Nr.
(DEZ)
Nr.
(HEX)
Parameter name
Description
0
0x00
Gateway ID
The gateway ID is part of the device ID. The
reading unit simultaneously acts as gateway
and reader (CIDRW with integrated read
head). It corresponds to the "Lower Device-ID"
in the message header.
00 .. 255
hexadecimal
serialnumber
1
0x01
Baud rate
Data transmission rate of the RS232 interface
Default: 192 19200 Baud
2
0x02
Inter-character Timeout T1
1 … 100 1/10 s
Default :
(5) 0,5 s
3
0x03
Block protocol Timeout T2
1 … 250 1/10 s
Default :
(30) 3 s
4
0x04
Reply Timeout T3
1 … 120 1 s
Default :
(10) 10 s
5
0x05
Inter-block Timeout T4
1 … 120 1 s
Default :
(45) 45 s
6
0x06
Retry limit RTY
Number of retry attempts for a question or
message
.
Default :
3
7
0x07
TARGETID high byte
High byte of the predefined TARGETID.
The TARGETID is changeable and the default
value is determined from the serialnumber
.
Default: High byte from the
hexadecimal
serialnumber
8
0x08
TARGETID low byte
Low byte of the predefined TARGETID.
The TARGETID is changeable and the default
value is determined from the serialnumber
.
Default: Low byte from the
hexadecimal
serialnumber
9
0x09
Heartbeat time
The reader sends a S1F1 message to the host at
specified intervals
.
0 … no heartbeat
1 … 255 1 s (1-255s)
Default :
0 … no Heartbeat
11
0x0B
ReaderID
The reader ID is part of the device ID. The
reader ID corresponds to the 7 LSB (least
significant bits) of the "Upper Device ID" in the
message header
.
00 … 127 (0x00 – 0x7F)
Default :
0x01