Ion Digital Drives Offer Improved Design Times

Inmoco's new range of Ion intelligent digital drives, from Performance Motion Devices (PMD), is claimed to improve design times and simplify integration. The Ion line features power ranges of 500W and 3,000W; these enable a wide range of motor types and sizes to be combined in multi-axis motion positioning applications when using Ion drives.

The Ion 500 and 3000 drives are compact modules that provide power amplification, advanced motion-control features and network connectivity in an enclosed package. Both models are available for DC-brush, brushless-DC and micro-stepping motors and are suitable for medical, scientific, semiconductor, industrial, robotic and general automation applications. Key to the performance of the new Ion digital drives is PMD's advanced Magellan motion-control IC, complete with its enhanced instruction set.

This combination provides 32-bit processing power to initialise and control the motion-control application, monitor performance and synchronise overall drive behaviour. Employing the capabilities of the Magellan motion processor to the full, the Ion digital drives have CAN bus and serial communications and accept commands over the network, such as position, velocity, acceleration and current from a host; the drives then generate a corresponding trajectory on the fly.

The Ion drives control three-phase brushless motors using field-oriented control or sinusoidal commutation. User-selectable profiling modes include S-curve, trapezoidal, velocity contouring, electronic gearing and pulse and direction (3,000W model only). Other features include hardware performance trace and the ability to separately programme acceleration and deceleration value changes on the fly. Supporting the fast setup and commissioning of the Ion drives is PMD's Pro-Motion and C-Motion software.

Pro-Motion is a Microsoft Windows-based prototyping tool designed to rapidly set up, tune and test motion-control systems that use the Magellan motion-control processor. Pro-Motion optimises motion system applications by facilitating the setting and viewing of all parameters and the exercising of all features of a motion design. It includes a step-by-step axis wizard that allows designers to tune control loops.

C-Motion development software is the motion-control programming library for Magellan that provides a set of callable C/C++ programming routines that contain all the code required to communicate with and control Magellan within an application. C-Motion enables application-specific C/C++ coding to be combined with C-Motion source-code libraries. All setup and development software is included free with Ion drives.

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