Siemens SIMATIC Box PC 840, Руководство пользователя

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Setting Up and Operating the SIMATIC Rack PC 840
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SIMATIC Rack PC 840 Manual
A5E00104826-03
3.7 Networking the SIMATIC Rack PC 840 with Other Stations on
PROFIBUS
Networking the Rack PC on PROFIBUS
PROFIBUS is an open and robust bus system for industrial use. It can be used to
configure networks with up to 32 stations per segment. PROFIBUS DP supports
data transfer rates from 9.6 Kbps to 12 Mbps.
How the Network Functions
The network operates on the master-slave principle with token passing (complying
with DIN19245, PROFIBUS). It distinguishes between active and passive stations.
An active station receives the token and passes it on to the next station within a
specified time.
Hardware Requirements
Using the following components, for example, you can connect or network the
Rack PC with PROFIBUS:
RS 485 MPI/DP port adapter (optional product feature)
Shielded, twisted pair (bus cable or connecting cable to network).
3.8 Ethernet (RJ45 Ethernet Port)
Networking the Rack PC via the RJ45 Ethernet Port
The RJ45 Ethernet port is a Twisted Pair (TP) port with a data transfer rate of
10/100 Mbps. The onboard port is compatible with the Intel pro/100+ PCI adapter.
The port is Plug and Play capable and is automatically recognized in Windows.
The log settings are carried out in the Windows control panel.
Notice
A class 5 Ethernet cable is required to operate ther 100 Mbps.
3.9 Connection under Windows
Windows supports point-to-point connections via the LPT or COM port. The
required connecting cables are standard, commercially available products. More
information is available in the online Help system under “Connection to Another
Computer”.