Control the Whole Machine. From 2.5 Inches.

Complete machine control starting at $59.

Up to 36 I/O
3-axis high-speed motion · PID · PWM
Free programming software

United States flag All Velocio PLCs are proudly designed and manufactured in the USA.

PLCs from $59

Complete machine controllers

HMIs from $99

Professional touchscreens

FREE programming software

No programming license

Built for your machine. Ready for your product.

One control platform. Two ways to build.

Ace PLC

Ready to control your machine.

A complete PLC that's ready to mount, wire, and run. Choose the I/O you need and build your machine around a compact, proven controller.

  • Ready to install · Complete PLC, no custom electronics required
  • Flexible I/O · Choose the configuration that fits the machine
  • Simple wiring · Pluggable connectors and optional terminal boards
Explore Ace PLCs

Embedded Ace

Make Ace part of your product.

Bring the Ace control platform directly onto your custom circuit board. Reduce field wiring and design the connectors, protection, and supporting circuitry around exactly what your product needs.

  • Deeper integration · Ace plugs directly into your custom hardware
  • Less field wiring · Put connections and circuitry where you need them
  • Your product, your design · Build the surrounding electronics around your application
Explore Embedded Ace

Small footprint

Up to 36 I/O points.

Just 2.5" square.

25 configurations to fit
your machine.

Advanced Control

High-speed motion for
3 motors at up to 250 kHz.

PWM on any digital output.

PID for motion & temperature.

HMIs from $99

Professional touchscreens.

No front-panel branding, so your brand takes center stage.

Find the right Ace for your machine.

Tell us your I/O and communication needs, and we’ll match you with the Ace PLCs that fit.

Find your Ace!

Complete the machine

Give operators a clear view—and every machine a clear signal.

Pair Ace control with Command HMIs for operator interaction and Status for visible, audible machine-state indication.

Velocio Command HMI operator interface

Operator interface

Command HMIs

Put machine status, controls, alarms, and setup where operators can see and use them.

Explore Command HMIs

Machine indication

Status stack light

Show machine state in full color and add an independently controlled audible alarm from one compact device.

Explore Status

Choose the Right

I/O Termination for Your Application

All Ace PLCs come with pluggable spring capture connectors. Terminal boards add functionallity.

Expand your Ace PLC with optional terminal boards for relays, transistor outputs, optocoupled I/O, and more.
Each board includes a DIN-rail mount and a pre-terminated cable for a simple connection to Ace.

Add six 5-Amp relays for just $25.

Velocio I/O module options

Velocio software

Build, debug, and operate with Velocio tools.

Worldwide ordering

PLCs Built in Rocket City, USA. Shipped worldwide.

We ship across the US with options to fit your timeline, from 1-day delivery to economical ground service, and shipping is free on orders over $99. Most orders leave our Huntsville, Alabama facility within a few business days, and delivery time starts once your order ships.

We ship worldwide, with shipping to Canada typically taking 2–5 business days.

Customers in Europe should purchase through our EU distributor.

Select Velocio PLCs and HMIs are also distributed by McMaster-Carr.