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Check our Product Comparison Matrix if you are unsure of which of our microcontroller based boards has the combination of relays, digital inputs and outputs, and analog inputs and outputs that you need.

SI5150 50 Channel Programmable Switch Input Controller

Add USB connectivity to your SI5150 for just $10 more with the USBCONV.

The Industrologic SI5150 switch input controller is a specialized single board computer that is easy to program and easy to connect to external signals. With its 50 switch/contact closure inputs, one logic level I/O signal, and serial port, it is ideal for many contact closure intensive industrial control applications.

The SI5150's on-board power supply and its screw terminal connections make the setup for many applications both quick and simple. Plus, its RS-232 interface and simple commands means that it can be easily used as an RS-232 serial data acquisition and control board!

Included with each SI5150 is a special version of Tiny Machine Basic (written specifically for the I/O on the SI5150), development software, a wall block power supply, and a serial port cable to connect to your PC. (Things you must purchase separately with everyone else's controller or single board computer.) An optional machined ABS plastic enclosure is also available.

The SI5150 can also be used as a message board controller or a counter/timer for large LED displays such as the BetaBrite® Classic, the Grandwell Industries SLC16H-IR, and the Pro-Lite PL-M2014R. Contact Industrologic for information about custom programming for the SI5150 to provide this functionality.

SI5150 documents and information:

log file