Large Mobile Machine Controller Module

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On-Board Ethernet Switch

With 5 total Ethernet connections and optional BroadR-Reach, this controller allows for centralized communications from peripheral devices that require high-speed data transmission.


Our latest flagship mobile machine controller

ESX.4cl Overview

The ESX.4cl is the latest next-generation large mobile machine control unit from STW. It offers 6 CAN interfaces and up to 4 Ethernet interfaces, including 2 Broad-R Reach to power your most demanding applications. This device houses 60 Inputs and 53 Outputs, and has an optional iMX6 Co-processor to meet the most bandwidth-heavy needs.


The ESX.4cl controller supports programming in C language and IEC61131-3 languages. Application development is done using openSYDE paired with logi.CAD. Learn more about application development for 4 Series Controllers here.


  • CAN interfaces:  6
  • Ethernet interfaces:  Up to 4
    • 1 Gbit:  1
    • 100 Mbit:  3
  • BroadR-Reach:  2
  • LIN or RS232 interface:  1
  • Inputs/Outputs
    • Inputs:  60
    • Outputs:  53


  • Processor:  32 bit Aurix TC299 Multi-core  (300MHz)
  • Co-processor (Optional):  iMX6 with Linux
  • Flash:  8 MB
  • RAM:  2 MB
  • EEPROM:  32 kB
  • F-RAM (Optional):  256 kB
  • Data Flash (Optional):  16 MB


  • Manufactured in Germany using the latest in advanced electronics for mobile machines and off-highway vehicles
  • Freely programmable - SIL2 rated for mobile off-highway industry safety standards
  • Cast aluminum housing - high resistance to shock, vibration, EMI/EMC, and drastic changes in temperature
  • Mean Time Between Failure (MTBF) of up to 50 years

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