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High-temperature J1939 controller platforms with Simulink

Axiomatic has designed a new series of controllers with high-temperature capability for on engine or under hood installation and intended to be Simulink compatible for OEM machine developers. Applications could include control of closed loop engine actuators or viscous fans.

THE FAN DRIVE CONTROLLER PLATFORM p/n AX022600S accepts two discrete inputs, a Hall sensor (or digital/PWM signal) input and provides a 4-A output to drive a solenoid.  The unit operates with 12 VDC or 24 VDC power. The CAN communication port supporting SAE J1939 protocol interfaces with the engine control module. It operates at -40 °C to +125 °C.

The CAN-controlled p/n AX022810 PWM valve driver with feedback is designed to control an actuator. It also supports J1939 protocol and accepts a universal signal input and a frequency sensor input. The device provides a 4-A digital or PWM output to drive an actuator. Required is 12 VDC or 24 VDC nominal power at operating temperatures from -40 °C to +105 °C.

For machine applications, both IP67-rated designs feature an aluminum enclosure, encapsulation, gasket and a 12-pin Deutsch IPD p/n DTM15-12PA connector. The environmental ratings are suitable for off-highway vehicles and trucks.

Axiomatic works with Simulink (model-based design tool from Mathworks) as the software development platform for prototyping in OEM machine control applications. It provides an interactive graphical environment and a customizable block library allowing implementing application-specific control algorithms via embedded coding tools. The OEM machine designer may simulate their control system with the presented module included. This permits fine-tuning of the design parameters and testing of functionality prior to machine prototype installation.

Axiomatic announces the appointment of their new Australian representative, Macquarrie. The company specialized in diesel engine reconditioning has been operating for over 60 years. It has branches across the Eastern seaboard of Australia with engineering staff for development of complete solutions to meet engine control requirements

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