IMPULSE•T Instruction Manual – October 2015
4-3
Overview
With its easy-to-use keypad, IMPULSE•T makes it easy to get up and running right away. This
chapter explains how to navigate through the drive’s menus along with the function and meaning of
each button and indicator. The keypad will make it possible to view fault codes and change
parameter settings. Parameter settings, with their parameter codes, are displayed in most cases.
The keypad enables you to:
• Program the various drive parameters.
• Monitor the functions of the drive.
• Read fault-diagnostic indications.
• Operate the drive using the keypad (local operation).
Checks Before Powering
After mounting and interconnections are completed, verify:
• Correct connections.
• Correct input power supply (no voltage drop or imbalance, source kVA 500, unless a line
reactor is used). If unsure of the source transformer, use a line reactor.
• No short circuit conditions.
• No loose screw terminals (check especially for loose wire clippings).
• Proper load conditions.
Precautions
• Only start the motor if motor shaft rotation is stopped.
• Even with small loading, never use a motor whose nameplate amperage exceeds the inverter
rated current.
WARNING
Because of the additional potential hazards that are introduced when any drive is operated
locally, we advise you to avoid operating it this way. If you do operate the drive locally, be
aware that the crane or hoist will move when you press the RUN button. If you have questions,
contact Magnetek.
WARNING
DO NOT power 230V-rated drives with 460V power.
DANGER
Extreme caution should be used if braking method is set to decelerate to stop. If deceleration
time is too long, equipment could run into an end stop device, causing damage to equipment
or injury to personnel.
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