ABB Advant Controller 450 User Manual

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System communication resources are primarily treated in Section 1.7.7.1, Provided Link Types.
You will find an enumeration of the main applications of these communication links in Advant
Controller 450 in this section.
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Information in this section is divided according to the different link types. An outline
description follows. All link types, besides the widely spread standard V.24/RS-232-C,
are described in separate users’ guides. For referrals to specific documents, see Section 1.4,
Related Documentation.
Provided link types in Advant Controller 450 are:
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Use MasterBus 300 to interconnect Advant Controller 400 Series, Advant Station 500 Series,
MasterPiece 200/1, MasterView 800/1 Series and MasterBatch 200/1 stations in a control
network (network communication). It provides high-speed, high-performance communication
over medium distances.
MasterBus 300 is based on the IEEE 802.2 class 1 connection-less unconfirmed data link
service protocol and IEEE 802.3 CSMA/CD (Carrier Sense Multiple Access/Collision
Detection) medium access control. In short, this means that there is no specific master station,
but all stations/controllers have equal access to the bus. A connection-oriented transport
protocol according to ISO class 4 ensures flow control and reliability.
Use MasterBus 300E (Extended) when communicating via bridges (and radio links, satellites,
and so on) to interconnect MasterBus 300 networks. The communication bridges must conform
to the IEEE 802,3 standard. The characteristics of MasterBus 300E are the same as for
MasterBus 300 except that the communication parameters can be tuned to allow communication
over links, which introduces delays and limits the bandwidth.
The MasterBus 300/MasterBus 300E separates the communication function within a
station/controller. You can expand or reconfigure the control network without any changes to
the application in the controllers or operator’s stations. The network is self-configured, that is
no configuration of the data base is required. The configurator sets network and node identity on
hardware.
There is a low-load version of MasterBus 300/MasterBus 300E for the Advant Controller 450
which uses special hardware. The low-load version has dedicated CPU support, so it causes a
lower load in the main CPU of the controller.
The transmission rate is 10 Mbits/s.
To also ensure availability of data communication when a cable or a communication unit fails,
you can duplicate MasterBus 300/MasterBus 300E.

ABB Advant Controller 450 Specifications

General

Brand	ABB
Model	Advant Controller 450
Category	Controller
Language	English