ABB Advant Controller 450 User Manual

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There are two alternatives for network communication redundancy available.
Normally, the duplicated submodules are distributed to separate carrier modules, an
arrangement which provides maximum availability. See Figure 1-48.
You can also mount duplicated MasterBus 300 communication submodules in a common carrier
module. This gives rise to a common point of failure, that is, reduced integrity and reduced
availability.
From a functional viewpoint, the redundant networks work in a hot stand-by implementation.
This means that the primary network has the communication responsibility. The secondary
network stands by to take over in case of a fault in the primary network. In the stand-by mode of
operation, basic messages for diagnostics are continuously sent and received.
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The information given above for the network communication is also applicable to GCOM,
except for the communication submodule which for GCOM is called CI543.
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The communication to a remote unit can be equipped with transmission media redundancy.
This includes:
• One communication interface submodule in the controller
• Two cables including duplicated modems
• One remote unit.
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Communication
submodule
CS513
2x MB 300
Submodule
carrier

ABB Advant Controller 450 Specifications

General

Brand	ABB
Model	Advant Controller 450
Category	Controller
Language	English