ABB Advant Controller 450 User Manual

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3BSE 002 415R701 Rev A 3-45
The load from cyclic functions in Advant Controller 450 is built up as shown in Figure 3-9.
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The fix base load 4 % of a controller can be further subdivided as follows:
• General load 1.5%
including basic network communication load (MasterBus 300)
irrespective of number of links, redundancy or type of communication interface module
(that is utilization of slave CPU or not).
• PC and Process I/O related load 2.5%
This latter load does not exist in working mode CONFIGURATION.
A variable base load exist. Each additional node on the network will increase the load 0.15 % if
SC510 is used. This extra load will not appear if the SC520 is used.
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Base load fix 
PC and Process I/O
(Application)
Subscription, Command
and Event Handling
Data Set and EXCOM
Master View 320
Logging
Others
Reserve
Recommended min 
(variable see below)

ABB Advant Controller 450 Specifications

General

Brand	ABB
Model	Advant Controller 450
Category	Controller
Language	English