Protocol : Siemens - LSA SMKG Token


 

Parameterization :

CDE adapter :

Modulation mode :

Baud rate :

Tolerance limit :

Modulation ratio :

Message gap :

PC-TxT-level :

switch setting PDM

Digital-pulse-duration-modulation

50 - 1200 baud

0 - 40%

3.0 ( variable )

9.0 ( variable )

 -12V / + 12V

Particular features

Because the modem can produce faulty pulses between the messages only errors within a telegram are disolayed.

Telegram structure

LSB_FIRST is transmitted.

Abbreviations:

PY :

ANL

SIM

HW

OVFL

BAF

MEF

BNA

Parity bit (long pauses are supplemented on even)

Start-up bit

Fast intermittently indication

Hardware failure RMU-RTU

Buffer overflow RMU-RTU

Command output error

Indication input voltage error

Command not executed

Transmission errors :

*F:Blocklength : The telegram length is incorrect
*F:HammingCode : Hamming code is incorrect
*F:TimeTolerance : The measured character length is beyond the tolerance set in LIAN
*F:Spike :   The length of a received sign is < 20% of the length of a short pulse

 


MAYR Software

Wuerzburger Ring 39,  D 91056 Erlangen

Manual LIAN DOS


LIAN DOS Protocol Simulator and Analyzer
© Copyright 1991, 1996, 2001, 2006-2010 by Werner Mayr. All Rights reserved.