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