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Inmoco has announced the launch of the Elmo Whistle, a small digital servo drive that offers power levels up to 2400W peak.

The Whistle is the size of a matchbox and delivers up to 1200W of continuous power and more than 2400W peak power (with 99 per cent efficiency) for controlling DC brush and brushless motors and linear motors.

The drive integrates Elmo’s Fasst (fast and soft switching technology) power management technology with thermal management technology.

The result is a power density of 35W/cm3.

The WHI-15/60 (15A, 60VDC); WHI-10/100 (10A, 100V) and WHI-15/100 (15A, 100V have a high level of operating efficiency.

At an input voltage of 85VDC and output current of 15A, the dissipated power is less than 16W (typically it is less than 10W) with an output power of 1470W.

This equates to an operating efficiency of 99 per cent.

Inmoco said the Whistle drive incorporates all the key features necessary for fast and problem-free integration of motors and drives into machines.

The servo drive incorporates a digital motion controller that features Canopen networking, a position loop, a velocity loop, a current loop and a wide range of feedback and I/O options.

It also offers OEMs the benefits of simplified set-up and tuning, provided by Elmo’s Composer software.

The Whistle is the ideal OEM product; its pin-based design means that it is small and light enough to be PCB-mounted, or installed in a motor housing, or near a motor.

This facility, by reducing cabling and installation time, cuts costs and simplifies maintenance for end users of the product.

At the heart of the fully digital Whistle, and key to its performance is SimplIQ.

This Elmo-developed technology provides on- the-fly gain scheduling for current and velocity, with PIP controllers for velocity and position.

It also features advanced positioning motion control modes with PTP, PT, PVT, ECAM/follower and Dual Loop, and internal encoder interpolation (up to x 4096) based on Resolver or analogue encoder inputs.

In addition, the Whistle has programmable opto-isolated digital I/O and host of built-in protection features.

The Whistle offers OEMs the benefits of a third-generation programming structure, with motion commands, event-triggered programming, event-capturing interrupts and 32 KB of memory storage for user programs.

Using the Composer programming software, drive set-up, configuration, tuning and analysis are all performed quickly and easily to aid integration into machines.

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