Medium Voltage Application Guide

3.
LOGIC CONTROL CONFIGURATION
Logic Control Configuration
3.1 Control Interface
The equipment shall be suitable for being supplied as a loose item with an IP00
unit for flush mounting into the control portion of a cubicle.
The controller must have a minimum environmental rating of IP55.
The user interface shall comprise, at minimum:
• an LCD screen for information feedback
• be able to be multilingual
• status LEDs indicating
• motor state
• starter control state
• trip status
• output relay activity
• local pushbuttons to control:
• motor start
• motor stop
• starter reset
• menu access
• parameter configuration
Remote control of the starter shall be possible using either two or three wire
control.
Have multi level password protection system, to prevent unauthorized parameter
access; but still allowing access for operators to metering functions and logs.
All terminals shall be of the pluggable type.
The control interface shall provide a means for an operator to quickly access and
configure parameters.
The control interface shall provide an operator with a short list of critical
parameters for common applications, including:
• pump
• fan
• compressor
• generic
The equipment shall permit the operator to save the current configuration to an
internal file. There shall be two files available.
The equipment shall permit the operator to reload a previously saved configuration
set from an internal file. There shall be two files available.
The equipment shall permit the operator to restore default settings.
The equipment shall support remote management via a control network with a
choice of Modbus, Profibus and Devicenet as a minimum.
The equipment shall provide an on-board real-time clock; but failure of this clock
due to low battery shall not trip the starter.
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