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Sinaut 8FW

DOWNSupported Information Types
DOWNProtocol Features
DOWNImplemented Protocol Stacks
DOWNApplicable Products

The Sinaut 8FW protocol was the standard protocol used by Siemens for coupling controls stations and substations before being replaced by IEC 60870-5-101. There are several variants of this protocol in use:

  • Sinaut 8FW PDM
    for physical layer encoding based on the PLM method (Pulse Length Modulation)
  • Sinaut 8FW PCM
    for physical layer encoding based on the PCM method (Pulse Code Modulation) with start bit, data bits, parity and stop bit. This protocol variant used the FT1.2 telegram format standardized in the IEC TC57 (IEC 60870-5-1) protocol.
  • Sinaut 8FW DUST
    follows the 3964R procedure on the physical layer mainly used in process automation (SPS).

Sinaut 8FW PLM can be operated at baud rates of up to 1200 Baud, it only supports point-to-point operation.

Sinaut 8FW PCM is mainly used in point-to-point operation. But there are also variants suitable for party-line operation.

In addition to those basic variants already mentioned, there are other versions which differ in their functional scope and telegram length. This is why the range of functions needs to be specified in each case.

Supported Information Types

Control Direction Single Command
Double Command
Digital setpoint [8 bit]
Digital setpoint [16 bit]
Digital setpoint [32 bit]
Monitoring Direction Event
Single indication [1 Bit]
Double indication [2 bit]
Event with time tag
Single indication [1 Bit] with time tag
Double indication [2 bit] with time tag
Measured value [8 bit]
Measured value [11 bit]
Counter value BCD [7 digits]
Counter value dual [32 bit]
Bitpattern [8 bit]
Bitpattern [16 bit]
Bitpattern [32 bit]
Tap position BCD
Tap position dual [6 bit]

Protocol Features

Link Layer PtP: full-duplex
Party Line: pseudo halfduplex
Application Layer Grundzyklusliste, Unterlagerte Grundzyklusliste
Zeitgesteuerte Liste, Zählergesteuerte Liste
Telegrammspeicher mit und ohne Zeit
Address Space Station number 0..127
Information object address: 1..16777215

Implemented Protocol Stacks

Sinaut 8FW (PCM), Slave

Applicable Products

ipConvipConvUniversal protocol converter for highest degree of flexibility
Fink WinPP Protocol SimulatorFink WinPP Protocol SimulatorSimulationsoftware for IEC 60870-5-101, IEC 60870-5-102, IEC 60870-5-103, IEC 60870-5-104, SINAUT 8-FW 16-1024 PCM/DPDM


NPC San Manuel, LabradorNPC San Manuel, Labrador
PhilippinesipConv Sinaut 8FW (PCM), Slave / Harris-5000/6000, Slave / XMAT, Master /
LAUBAG, Schwarze PumpeLAUBAG, Schwarze Pumpe
GermanyipConv ANSI X3.28, Master / Sinaut 8FW (PCM), Slave /
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