Emerald Servo Drives

The Emerald Series servo drives and motors use the latest servo technology to bring cost effective solutions to the automation market.

Emerald DriveA wide range of sizes and feature rich functions make the Emerald servo drive the most versatile servo system in today’s automation market. State of the art software minimizes hardware cost while maximizing features and performance.

The Emerald servo drive is a certified SERCOS II  drive designed to integrate with any industry standard SERCOS II controller.   The SERCOS II standard forms a fiber optic isolated network and when interfaced to the IIS Emerald Automation Controller, this drive is part of a network of up to 32 servo drives or I/O devices with a minimum 500 micro-second scan rate.

The Emerald Servo Drive is available in 7 size ranges: 5, 10, 20, 40 and 60 amp @ 220 VAC and 25 and 50 amp @ 440 VAC. Emerald servo motors are available from 400W to 21kW, 1500 to 3400 RPM rated speeds with low and medium rotor inertia versions.


Application Examples:

Motor/Drive Specifications

Selecting the proper motor and drive combination for a motion control application depends on the analysis of the load that is to be driven by its performance goal.  A performance goal requires specifics of how far, how fast, and how often a given load needs to move.  Motion analysis determines the peak and rated horsepower a motor and drive combination needs to produce to perform as required.   The proper definition of the load and the actuator design should be as accurate as possible.

With the actuator size and the size of the load defined, the optimum performance will also determine the proper gearing between the motor and the load needed to achieve the goal.  Gearing selection is a trade-off between speed and torque at the given horsepower.   Varying a belt pulley ratio, leadscrew pitch, roll feed diameter, and/or gearbox ratio in the actuator design are examples of the gearing analysis that allows the designer to select the motor and drive combination that gives optimum system performance.

Optimum performance can be a tradeoff between system cost and initial goals.  Industrial Indexing Systems, works with our customers to achieve those goals and guarantees an agreed-upon performance standard.

Motor Standards

Our motors are for complex environments such as food production, medical applications, oil refining, explosive liquid, dust and vapor atmospheres, and submersible assemblies.  Agency standards:  UL, cUL, ATEX, IECEx and FDA (rated and certified).


  • Analog I/O, one +/- 10 volt input and one PWM style output.
  • Auxiliary encoder, ABZ RS422 interface with an optional resolver interface also available.
  • Two high-speed position “trap” inputs for storing encoder position relative to a sensor to provide web or product registration functions.
  • Extended I/O bus will interface up to two Emerald 16 position I/O racks providing an additional 32 I/O points per drive.
  • Two rack types are available to meet AC, DC, low voltage, and high voltage requirements. All drive I/O become instantly available to and controlled by the automation controller on the SERCOS II Network.
  • Seven segment status display.
  • Watchdog timer with safety loop contact for external shut-down control.
  • High-speed DSP microprocessor for position, velocity and torque loop control.
  • Selectable current loop switching frequency; Choose the 16 KHz frequency when maximum performance and minimum audible noise is required or choose either 4 or 8 KHz for maximum power.
  • USB port for easy interfacing to laptop PC for drive diagnostic and setup procedures.
  • Designed to operate at temperatures of up to 55C° at full rated power.

Multiple Emerald Servo Drives

Call us today at (585) 924-9181 to speak with one of our knowledgeable representatives.

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