ABB Advant Controller 450 User Manual

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As an alternative to a controller-connected printer, you can use the facilities from a large
operator station (Advant Station 500 Series, MasterView 800/1). Actually, this is the most
common way of printing information from any station in a control network. Advanced reports
can be arranged from the contents and layout viewpoint. Also, you can use a local operator
station for reports. In the latter case, the display information from a MasterView 320 is printed
out. Once the report/display is configured, it is possible to remove the MasterView 320. In other
words, MasterView 320 in such an application can be used as a configuration tool only.
For further information regarding report generation in operator stations, see the appropriate
separate documentation.
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Process supervision has an important role in a control system like Advant Controller 450.
Any logic state transition in the process or application program, or any limit transition of a
process variable or complex calculated variable, can be defined as a point of event.
Events can be time-stamped with a resolution down to 1 ms, which enables you to perform
excellent analyses of cause and effects in complex situations.
Events can be defined further as alarm points. The operator’s attention can be drawn by audible
signal or a flashing light requiring acknowledgment. Such handling can be built up in an
application program with the support of the powerful FAULT element. An operator station
which is part of the MasterView 800/1 or Advant Station 500 Series provides powerful ready-to-
use event and alarm handling.
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You can connect process variables with different electrical representations as follows:
• Standard signal types, 4 - 20 mA, 0 - 10 V.
• Pt 100, Thermocouple
• Pulse, Frequency.
Pre-filtering is important in digital systems to obtain interference-free control and logging.
The irrelevant frequency content in the process signals must be limited.
Standard signals for current and voltage are pre-filtered in steep active hardware filters whereas
temperature measurement signals are filtered by integrating A/D conversion. In addition to
hardware filtration, the software can select digital filtration with single pole filters and with the
required break frequency.
In the case of temperature measurement, linearization is performed in accordance with the type
of Pt 100 transducer or thermocouple selected. Linearization through root extraction, for
example with pressure difference measurement, can be selected if required.

ABB Advant Controller 450 Specifications

General

Brand	ABB
Model	Advant Controller 450
Category	Controller
Language	English