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The X-400 and X-600M: What Is the Difference?

April 16, 2024

What’s the Difference Between the X-400 and X-600M?

Learn the differences between two of ControlbyWeb’s most popular and powerful controllers

Both the X-400 and the X-600M are expandable with their modular I/O products. However, they have some differences between them, such as security, dashboards, number of supported I/O and more.


The X-600M is our master controller that offers multiple customizable dashboards, making multiple device management easy. With support for up to 1,024 I/O, the X-600M acts as a simple SCADA that is perfect for large sized projects that need to be managed in one place.

X-600M™ | Web-Enabled I/O Controller


  • Expandable, Up to 1,024 I/O
  • Relays, Analog/Digital/Thermocouple Inputs
  • Up to 32 Temperature Sensors
  • GUI Dashboard


The X-400 uses ControlbyWeb’s latest 4 Series firmware. This software provides the X-400 with the most up to date security and programming features. It’s easier to use, for both the setup of the unit and the end user. With 64 supported I/O, the X-400 is a great option for small to mid-sized projects.

X-400™ | Modular I/O Controller

$299.99 – $399.99

  • Expandable, Up to 64 I/O
  • Relays, Analog & Digital Inputs
  • Up to 16 temp sensors
  • Cellular version available


More Information

Vanco Electrical

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