External Emergency Stop (E-Stop) Button

External Emergency Stop (E-Stop) Button

Add an extra layer of safety to your CNC setup.

When safety is a top priority, having more than one way to quickly stop your CNC machine is critical. This External E-Stop Button gives you flexible placement options, allowing you to mount it anywhere around your CNC machine for fast and convenient emergency access.

✅ What’s Included:

• External E-Stop Button
  – Pre-wired with a 2-meter cable for convenient reach

Recommended Add-On (Not Included):

• 2-Pin Wire Inlet
  – Selectable in the dropdown or available separately
  – For a true plug-and-play experience, we recommend pairing with our Anodized Aluminum Inlets Panel for maximum inlet compatibility.

Compatibility Notes:

✔️ Masso Controllers (G3 & Touch)

• Fully supported and designed with Masso in mind

• Simply connect using the appropriate 2-pin inlet

✔️ Buildbotics / Onefinity BlackBox

• Fully compatible

• Wire as follows:

  • Red ➝ Pin 23

  • Black ➝ GND (Pin 7, 19, or 25)

• In the controller’s I/O page, configure the E-Stop input to “Normally Closed (NC)”

❗ Other Controllers

• Compatibility may vary

• We’re happy to help, but support is limited for non-Masso systems

• As we learn more, we’ll update this listing with confirmed compatibility

Setup Help & More Info:

Read our full installation guide here:
External E-Stop Knowledge Base Article