TECU (Traction Engine Control Unit)

Traction Engine Control Unit (TECU) – Big performance in a small package

TECU is TMV’s microprocessor-based complete

locomotive control package. 

Efficiently and quickly managing hundreds of analog and digital input and output signals, TECU is nimble yet robust in meeting the rigors associated with rail applications.

The package allows for easy integration in a variety of new locomotives and streetcars, as well as an upgrade to existing platforms.  TECU can be configured into mother-slug configurations, conventional diesel-electric locomotives, diesel-hydraulic locomotives, and streetcars. 

Advantages Include:

  • Intuitive & easy to use/operate 

  • Extensive amount of capabilities & capacity 

  • High degree of system customization to control and monitor exactly what our customer wants & needs 

  • Compatibility for “reach back” when implementing new technology with existing TMV systems 

  • Flexibility to continually integrate newest technology into platform

  • Precise and continual wheel-slip control increases wheel-to-rail adhesion for greater tractive effort (20-30%) 

  • Detailed and accurate data and fault logs offer superior diagnostics to monitor and troubleshoot what occurred, when an even occurred, and order of occurrences. 

  • Easy-to-use software package with no licensing or subscription fees. 

  • Software upgrades within warranty period at no additional cost.

  • Reduction in wiring and contactors needed for retrofit applications. 

  • Common interface-type ports for data retrieval (USB, Ethernet, RS232, RS485) 

  • Reliability & Performance – nearly 500 systems since 2005.

X-style Cabinet. Labels indicate areas of connection and oversight by the TECU.
TECU located in the cabinet.

TECU Add-ons 

The Touch-screen colour LCD display unit can display several different screens of information to show live data, and to perform locomotive tests.  It is capable, modern, easy-to-navigate and customizable.

The TECU display eliminates the need for the communication interface panel (which is required on other systems).  Equipped with high-speed, standardized CAN interface for optimal engine control.

The Governor Oil Pump is one of TMV’s Auto-Start products.  It assists the governor, and moves the lay shaft out of the no-fuel position during auto-start, enabling governor oil pressure to build and fuel injectors to function.

Other auto-start items within the kit include: 
– 100psi & 200psi pressure sensors
– LOS Override solenoid valve
– EPD override solenoids
– Thermistors
– Load shed relays
– Engine Prime
– Engine Start
– Start Buzzer
– & any other required sensors and switches.

+55 (11) 4506-3227

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