Invertek Drives Optidrive E2 Application Note
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Invertek Drives Optidrive E2 Application Note

Invertek Drives Optidrive E2 Application Note

Remote push-button speed control
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Application note AN-ODE-2-025
Optidrive Applications Support Library
Application Note AN-ODE-2-025
Title
Related Products Optidrive E2
Level
2

Overview

For some applications it can be preferable to control the speed of a motor by increasing and decreasing speed using push-button
controls mounted on a control panel or operator station, sometimes referred to as Digital Potentiometer Speed Control. This
application note describes two examples of how this can be implemented on the Optidrive E2.

Solution One Wiring Diagram

The Following circuit uses a standard single pole switch for start and stop control with momentary push buttons to increase and
decrease speed.

Solution One Operation

The optional lock off provides a useful feature which stops operation of all of the other input functions and prevents operation
of the drive when in the open position. It could be provided as a key switch or a lock off on the control panel. The start mode for
the drive is set to edge triggered so that the start input must always be applied after the control lock-off is disabled (closed). This
input should not be used as a safety related input for the application. In the event of any safety related issues the drive should
be fully isolated from the mains supply.
The Run/Stop input provides a Run command to the drive when the switch is in the closed position and a Stop when the switch
is open.
The Speed Up and Speed Down are momentary push buttons that are held in to increase or decrease the speed reference to the
drive.
AN-ODE-2-025 Remote Push-Button Speed Control
Remote Push-Button Speed Control
1 – Fundamental - No previous experience necessary
2 – Basic – Some Basic drives knowledge recommended
3 – Advanced – Some Basic drives knowledge required
4 – Expert – Good experience in topic of subject matter recommended
24 April 2014
1

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Summary of Contents for Invertek Drives Optidrive E2

  • Page 1 For some applications it can be preferable to control the speed of a motor by increasing and decreasing speed using push-button controls mounted on a control panel or operator station, sometimes referred to as Digital Potentiometer Speed Control. This application note describes two examples of how this can be implemented on the Optidrive E2. Solution One Wiring Diagram The Following circuit uses a standard single pole switch for start and stop control with momentary push buttons to increase and decrease speed.
  • Page 2 Application note AN-ODE-2-025 24 April 2014 The Fwd / Rev switch is optional depending on whether bi-directional (forward and reverse) motor rotation is required. The drive operates in the forward direction when the switch is open and reverses when the switch closes. Solution One parameter Set-up The drive should be defaulted back to factory settings prior to set-up.
  • Page 3 Application note AN-ODE-2-025 24 April 2014 Solution Two parameter Set-up The drive should be defaulted back to factory settings prior to set-up. The following parameters are set within the drive to activate the functionality shown in the control diagram. Check all parameters have been set correctly prior to enabling the drive. Note that Parameter P-14 must be set to the value listed in the table before access will be permitted to parameter numbers higher in order than P-14.

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