Elmo's matchbox-sized Ocarina series of miniature servo-current mode servo amplifiers from INMOCO is designed to provide "the highest attainable power density". The Ocarina can deliver up to 1/2 kW of continuous power or 1 kW of peak power in a compact , cost and space saving PCB-mounted package.
An ideal OEM product, the Ocarina is designed to operate from a DC power source in current mode. It can function as either a stand-alone device or part of a multi-axis system. In either configuration, the Ocarina's PCB- mounted design cuts costs significantly by reducing cabling and installation times.
The Ocarina is offered in two versions: 60 VDC and 100 VDC versions. Power to the 60 V Ocarina is provided by a separate 0 ~ 59 V isolated DC power source, while power to the 100 V Ocarina is provided by a separate 0 ~ 95 V isolated DC power source. Both versions benefit from a design that provides high bandwidth, fast response and excellent linearity of motor operation with zero deadband.
The miniature design also integrates enhanced features such as a motor current monitor, current gain for low inductance motors, external continuous and peak current-limit adjustments, and status indication and remote control functions via four open-collector optocouplers. All of these features and more are encapsulated in an ultra-compact package measuring only 55 x 15 x 46.5 mm and weighing just 45 grams.
In addition to its operational features, the Ocarina benefits from a comprehensive range of built-in, latch-mode protective facilities against over- temperature, under/over voltage, failure of the internal power supplies, shorts between the outputs or between each output and the power return, and halls-only communication errors.
The Ocarina is supported by a range of optional accessories including an evaluation board using standard terminal plugs and D-sub connectors. The evaluation board is accompanied by documentation containing installation instructions as well as a complete set of cables.
Elmo's Ocarina is UL508c recognized and complies with UL804 and UL60950. Additionally, it meets the requirements of Low Voltage Directive 73/23/IEC and complies with EN 60204-1.