Midsize Controller Module

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Ethernet Communication

Using an optional on-board Ethernet breakout connection, this allows for simple diagnostics and communication with the controller and other peripheral devices.


A freely programmable controller packed with I/O for centralized control


The ESX.3cm is a rugged control unit from STW built for use in harsh mobile applications. It offers a wide variety of input/output configurations, and also supports a multitude of programming environments such as C, logi.CAD, CODESYS, and MATLAB.


In addition to four CAN connections and an RS232 interface, an optional Ethernet interface with a dedicated connector is available. One CAN bus features a wake-up function and there is also an option for an RS485 interface.


  • 56 analog and digital I/O
  • 20 multi-functional inputs (functionality can be adjusted via software)
    • Ability to register current, voltage, frequencies or digital switching conditions (events) at the input
  • For systems which require a high switching capacity, a total of three power output groups are available with four or eight outputs
  • Every group can provide up to 15A in total
  • Actuators with higher power requirements can also be driven through parallel switching of several outputs within a group


High power 32bit 300MHz TriCore processor


  • Separate System Supervisor with programmable Watchdog
  • Proven development environments for C and CODESYS
  • Full support of STW’s KEFEX configuration and update tool chain


Fulfils the standards for conformity according to CE and E1 as well as standards for the passenger vehicle, agricultural, and construction machine industries.
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