Elmo Motion Control (Nashua, NH) offers the Gold Bell and Gold DC Bell servo drives for stepper motors. The Gold Bell servo drive weighs 55 g (1.94 ounces) and operates at 20A/100V, delivering 1.6kW continuous power (3.2kW peak power) with multiple voltage ratings of 12V-95V. The PCB-mounted driver is designed to operate in a closed loop (single or dual feedbacks), or in open loop, and has a “smart” control-supply algorithm enabling it to operate with only one power supply.
The Gold DC Bell delivers up to 1.2kW of continuous power (2.4kW peak power) and has multiple voltage ratings of 12V-95V. It runs as a standalone device or as part of a multi-axis system in a distributed configuration on a real-time network. The driver also comprises a vector control algorithm. Both drives offer advanced networking (EtherCAT, CANopen, USB, RS-232, and Ethernet.
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