Saia-Burgess Controls AG
Hardware manual for PCD3 series │ Document 26-789 ENG19│ 2018-06-29
Communication interfaces
5-2
General
5
5.1 General
SBC S-Net, the network concept by Saia Burgess Controls, is based on the open
standardProbusandEthernet.Ethernetincludeslayers1and2oftheISO/OSI
layermodel.Basedonlayer2,avarietyofdierentprotocolsandapplicationscan
be operated in parallel in the same network.
Additionally,theProbuslayer2(Field Data Link, FDL) also allows parallel
operation of various application protocols such as DP, FMS and others. By
usingthisoption,Pro-S-NetcancreateaPrivateControlNetwork(PCN)onthe
Probus.ThiswillmakeallSBCdevicesactivenetworkparticipants.
ProbusLayer2(FDL)isintegratedintheoperatingsystemoftheCPU
PCD3.Mxxx0 and the RIOs PCD3.T76x. These devices thereby have a
professional S-Net connection with transfer rates of up to 1.5 Mbit/s.
ThedevicessupportProbusDPandS-Netonthesameport.Thisallowssetting
upnetworksbasedonProbusinacost-eectiveandexiblemanner(more
detailed information can be found in the TI PP26-381).
Since the summer of 2010, the full-duplex mode and Auto-MDIX can be operated
via the Ethernet connection of the PCD3 family (PCD3.M2xxx, PCD3.M3xxx,
PCD3.M5xxx and PCD3.M6xxx).
The easiest way to determine if your PCD3 already supports these functions, is to
verify that the RJ-45 connectors are equipped with LEDs. If this is tha case, the
Saia PCD
®
supports the full-duplex mode and auto-MDIX (auto-crossing of the
signals).
The following hardware version or higher is required for full Duplex and Auto MDIX
support:
● PCD3.M3xxx, PCD3.M5xxx and PCD3.M6xxx from hardware F
● PCD3.M2x30A4T1 and PCD3.M2x30A4T3 from hardware B
● PCD3.M2x30A4T5 from hardware C
Using the SBC S-Bus
The SBC S-Bus is essentially designed for communication with engineering
and debugging tools and to connect the management levels/process control
systems.
here.
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