How VCL easily controls conflicting CAN protocols

In CANdo parts 1 and 2 we explained how the VCL capability of Curtis AC controllers provide easy control of conflicting CAN “languages” and entirely different 29-bit CAN protocols such as SAE J1939 on multiple device applications. In this final section, read about the other function and capabilities of AC Controllers and CAN I/O Modules available from Curtis Instruments. Flexible and reliable VCL is just one of several interesting functions that characterise the Curtis AC motor controllers. An extensive range of induction motor controllers, providing engineers with an unbeatable combination of power, performance and functionality. They are very reliable and well proven in all types of industrial trucks, as well as many different types of electric vehicle worldwide like hospital and medical mobility equipment, veterinary equipment and leisure products. They utilise an advanced indirect field orientation (IFO) vector control algorithm that provides the maximum possible torque and efficiency across all loads and all speeds and the comprehensive logic I/O allocation is enough to handle the requirements of almost any application or operator command/control MMI devices, regardless of the communication standards they use. Master or Slave? Doesn't matter which Controllers such as the Curtis 1236 can be employed as master or slave modules; models such as the Curtis 1222 may be included in the control system as slave. In this way the designer is able to build a complete control system that includes all necessary functions like driving, steering and lifting. As SAE J1939, the spoken “language” of combustion engines and transmission components, they and both electric and hydraulic drives can be included in the vehicle control system as well, making adaptation for vehicles with hybrid drives easy too. This highly flexible methodology allows lower-cost, standard components to be used, and eliminates the considerable risk and expense of a project being delayed by different CAN device vendors all modifying their products at the same time in an attempt to make them talk to each other! I/O Modules A wide range additional items for design engineers are also available and include control devices for electric vehicles, non-electric vehicles and stationary control systems, as well as a range of eXM CANbus Hydraulic I/O expansion modules. In summary, Curtis Low voltage AC Induction and PMAC motor controllers give vehicle designers an easy opportunity to use new vehicle configurations, or fully optimise the energy efficiency of their vehicle, at the same time as reducing the overall complexity of their control systems. VCL presents endless options to create a virtual system controller by integrating all control devices for hydraulic and electric drives and man-machine interfaces into one system that accommodates differing CAN protocols, even IC engines or transmissions can be included. Engineers can explore the benefits of easily implemented custom functionality, safe in the knowledge that expert Curtis customer support engineers are ready and waiting to help out if required. Request further information or assistance from Curtis UK

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