ESX-3XM Control Unit

STW introduces its ESX-3XM control unit, which offers many of the same features as the company's ESX-3XL but in a smaller package.

Stw 3xm Safety Cmyk 11271476

Sensor-Technik Wiedemann GmbH (STW) has added the ESX-3XM (M for medium) to its line of control units.

  • Suitable for safety-relevant applications up to performance level PL d, or safety integrity level SIL 2
  • Includes fast 32-bit microcontroller with 6MB Flash and 4MB RAM, complete with four CAN interfaces, a serial interface, a buzzer, and multiple LEDs enclosed in a robust housing of die-cast aluminium with built-in automotive connectors
  • Roughly half the size of the ESX-3XL and has half the number of inputs/outputs, making it well suited for smaller machines or for decentralized or distributed control system concepts in larger machines
  • Customization options available such as all inputs being configured via init functions as current, voltage, digital or RPM inputs
  • Includes slots for up to three expansion boards to be added
  • Currently 14 types of expansion boards are available with various inputs and outputs, additional RS232/RS485/CAN interfaces or with Ethernet and USB
  • Customized expansion boards also available to meet specific application requirements
  • Application software can be efficiently developed using high-level programming language C or according to IEC 61131-3 (CODESYS V3)
  • Matlab package is also available for the control unit software
  • Additional available libraries such as for CANopen, J1939 or error handing simplify system integration
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