How to Control a High Current Linear Actuator Usin

We will show you how to use Wi-Fi control box to control actuators that require a large amount of current draw

Progressive Automations

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Description

We will use the PA-17 Heavy Duty Linear Actuator as an example in this article. You can choose a control box rated to provide this much current, but what if you wanted the range and convenience of the Wi-Fi control box? The PA-35 Wi-Fi Control Box limits you to 10 Amps per channel. However, the solution to this problem is to use relays in conjunction with the control box, which allows you to control up to four actuators at any current rating, as long as the mechanical relays are rated to handle it.

Components

1 × DPDT 20A Mechanical Relays https://www.progressiveautomations.com/collections/relays-and-control-modules
1 × PA-35 Wi-Fi Control Box https://www.progressiveautomations.com/products/pa-35
1 × AC-28-30-12 DPDT 30A Relays Optional https://www.progressiveautomations.com/products/ac-28-30-12
1 × PS-40-12 110-230VAC 40A Power Supply https://www.progressiveautomations.com/products/ps-40-12
1 × AC-15 110-240VAC 10A Power Adapter https://www.progressiveautomations.com/products/ac-15

Build Instructions

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1

Open Up Your WiFi Control Box

Unplug all power sources from the Wi-Fi control box before opening it up. From here, you can unscrew the 4 screws shown below.
2

Step 2: Access the Circuit Board

Once the cover is removed, unscrew the 3 screws to lift the circuit board.
3

Partially Slide Out Your Circuit Board

Lift the side of the circuit board that is opposite of the LEDs. This is to ensure that the circuit board can slide out without bending the LEDs. Note that the circuit board does not need to be removed completely – enough space is required to have access to the connection on the side of the board.