04 - Laboratory Automation Hardware - HiTec Zang GmbH

10
System Configurations
Laboratory Automation Hardware
LabVision supports different basic topologies and
media for the coupling of PI and UI (user interface,
respectively work station) in order to reach a suitable
projecting of the system hardware.
As standard, a PI is coupled with a UI through a
RS232 serial interface optinally a connection via
USB or ethernet is possible. Light guides, RS485
two-wire technology, or modems for 2 and 4 wire
leased lines, or switched connection are available
for the bridging of greater distances. The PIs can
also be directly connected to a network via the
Ethernet COM server. The UI can then be connected
to every network socket.
Several PIs can be connected to a UI via multiple
interface cards.
In order to run several independent applications,
several LabVision licenses can work in parallel on a
UI. All applications on UI use the same on-line data
base so that every application can access the data
points of other applications, if needed.
With HiNet it is possible to cross-link several PIs to a
UI. HiNet uses a RS485 twin wire as transmission
medium and can cover distances up to approx. 1000
m on a normal telephone cable. HiNet is easy to
project.
An evaluation computer in the office can be linked to
a LAN in order to retrieve data for the evaluation.
Distributed systems can be realised with the
platform-overlapping standard CORBA (Common
Object Request Broker Architecture). The standard
Ethernet 10/100/1000 MHz, RJ45 Twisted Pair is
used as transport medium.
Devices of other manufacturers and field buses,
such as the PROFIBUS DP, or the HART protocol
canbe integrated as well. For more information, see
"Remote Access"
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