ABB PST Series, Installation And Commissioning Manual

Page: 100 / 178

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The AS-I protocol is a simple fieldbus protocol with a few
digital inputs and outputs. Through the outputs, the motor
can be started / stopped and an additional action can be
performed depending on the selected function on the
programmable input In0. The inputs correspond to the
programmable softstarter outputs (K4 - K6 and V7) where
status information can be acquired according to the set
function.
See Chapter 7 “Settings and configuration” for
programming the inputs / outputs.
Before the AS-I fieldbus can be put into operation, the
following parameters must be set in the softstarter:
• Parameter
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set to Yes
• Parameter
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set to AS-I
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For installation and commissioning of the AS-I fieldbus,
see document 2CDC191002D0202 available at
www.abb.com/lowvoltage
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