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CPU5A3/CPU5A4/CPU5A4E
Wireless Pendant
UIO-10
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8min

Using Feed/Speed override inputs

Connecting the potentionmeter

It's possible to create a manual Feed or Speed override. To use this feature you need at least firmware version v0.5. The override input is controlled via an analog value. This analog value is made by using a potentiometer, below an image of a potetionmeter. This is in fact one big resistor whoses value can be changed by turning it.

Please note, to use the Feed and/or Speed Override the firmware version needs to be at least version 0.5 or later.

Potentiometer
Potentiometer

The value of this potentiometer can be between 4k7 to 10k ohm.

The first step is connecting the potentiometer to the UIO-10. It's important to notice two facts:

  1. The feed override and speed override have dedicated inputs
  2. The input voltage needs to be 0 and 3.3V.

For this purpose, there is a 3,3V power supply available on the board. The image below shows how to connect a potentiometer to operate as a feed override.



Connecting potentionmeter for Feed Overrideverride (FOV)
Connecting potentionmeter for Feed Overrideverride (FOV)

Setting up the software

The final step is setting up the software. For the example below software version, 4.03.59 was used.

To start the setup go to the setup tab, set Feed and/or Speed override inputs to "UI" since only one override source can be used.

Page 1 of the setup tab
Page 1 of the setup tab

Then, proceed to page 2 and click on the 'UIO-10' button.

Page 2 of the setup tab
Page 2 of the setup tab
UIO-10 Setup screen
UIO-10 Setup screen

The analog inputs that can be used are Feed and Speed override are 14 and 15, respectively. Please configure the inputs in order to enable the feature.

Inputs 14+15 after being configured
Inputs 14+15 after being configured

Testing

After inputs are configured, test mode can be entered by pressing "Set test-mode ON". Then the values of the analog inputs are displayed.

Inputs 14+15 in test-mode
Inputs 14+15 in test-mode

And of course, the result can be seen as the Speed and Feed override values:

Feed and speed override in Operate view
Feed and speed override in Operate view

On above images, the potentiometers are set to low values, so the resulting override value is 0%.

Updated 04 Aug 2022
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Jumper settings
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TABLE OF CONTENTS
Connecting the potentionmeter
Setting up the software
Testing