BRX Analog I/O Expansion Modules


The versatile BRX PLC system combines powerful features in a compact, stand-alone footprint. One of the unique features of the BRX platform is its ability to expand its capability to fit the application. New analog I/O expansion modules are available in high-resolution current/voltage and temperature models.


Two 8-channel analog current and voltage input modules and two 8-channel current and voltage output modules are available. Current signal ranges are 0-20 mA, 4-20 mA; voltage ranges are 0-5 VDC, 0-10 VDC, +/- 5 VDC, +/- 10 VDC. Input and output signal resolution is 16-bits (external 24 VDC required).


The 4-channel temperature module supports type J, E, K, R, S, T, B, N, C thermocouples. The module can also be configured for 4-channel millivolt level analog inputs.


These analog expansion modules give the user the ability to add analog I/O as needed for process control applications. Each is clearly identified by the module's front panel color scheme and symbol. Expansion modules easily snap onto the side of any BRX Micro PLC Unit (MPU) creating a rugged PLC platform. Once the expansion module has been snapped in place, the software automatically discovers the I/O with little to no additional setup required. Do-more! Designer programming software for the BRX PLC is a free download with no key code required.



  • Four Micro PLC Unit (MPU) form factor combinations are available (3 with built-in I/O) to provide strong system designs that fit application requirements exactly, keeping system costs to a minimum.
  • The BRX platform is designed to be used as a stand-alone controller or can be expanded using a wide variety of expansion modules.
  • The expansion modules easily snap onto the side of any BRX Micro PLC Unit (MPU) creating a sturdy and rugged PLC platform. 
  • BRX Analog I/O expansion modules are now available and in five configurations.
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