TRINAMIC Motion Control GmbH & Co. KG now sells the TMC2209 stepper driver IC — a motor driver that enables silent operation, intelligent stall detection, and lower cost for 3D printers, office and home automation equipment, and other applications using two-phase stepper motors. The TMC2209 is pin-compatible with earlier TRINAMIC devices, as well as some […]
Galil’s EDD EtherCAT slave drives now offers TwinCAT Support
The EDD-3701x EtherCAT slave drive (part of Galil’s EtherCAT Family of products) now communicates seamlessly with any TwinCAT EtherCAT master — as well as with Galil’s DMC-500×0 and DMC-52xx0 EtherCAT master drives. The EDD-3701x drives have the ability to control either brushed or brushless servo motors, steppers, and microstepping motors. The EDD-3701x is also equipped […]
Koford Engineering 60-A 24-V digital sensorless motor drive
Koford Engineering now sells a new series of 60-A 24-V digital sensorless drives. These drives feature 99% efficiency, compact size, and high performance. They run motors to 80,000 rpm and can run two-pole motors. The design can run at 100% duty cycle compared to many other drives that are limited to 95% duty cycle. This […]
B&R X20-series stepper motor module to boost efficiency
The new X20SM1436-1 module from B&R is a new X20 module for direct control of stepper motors. The module runs stepper motors with operating voltages from 18 to 60 Vdc at currents to 2.5 A. Plus integrated current reduction function increases performance and reduces energy consumption. With the current reduction function, B&R has integrated sensorless […]
What is current decay (aka recirculating current) in a stepper drive?
A common type of stepper drive is the chopper drive, so named because it rapidly switches the output voltage from the drive on and off — “chopping” it — to provide constant current to the motor. Chopper drives use one H-bridge per motor phase to drive voltage to the motor windings. A sense resistor at […]
New stepper drives from Applied Motion Products
Applied Motion Products has introduced a new series of stepper drives that support a range of industrial Ethernet and Fieldbus network protocols including EtherCAT, EtherNet/IP, CANopen, Modbus, Ethernet and RS-485, as well as a proprietary Serial Command Language (SCL) for efficient network communications over Ethernet (UDP or TCP) and RS-485. By accepting high-level commands via […]
New CVK-SC Stepper Motor Speed Control System from Oriental Motor
CVK-SC series — 0.72º, 24 VDC input stepper motor speed control Oriental Motor is pleased to introduce the new CVK-SC series stepper motor speed control system. Specifically designed for common speed control applications with constant duty, the CVK-SC series features ease of use, holding torque when stopped, and increased repeat positioning accuracy. This speed control […]
Three ways to reduce heat when operating a step motor
Reduce motor heat by reducing idle and running current — or switch to closed-loop control. Eric Rice | Applied Motion Products Step motors are widely used motion-control devices because of their simple setup and accurate positioning with an open-loop configuration. But problems associated with heat generation can arise. That’s because the drive that powers an […]
New series of stepper drives for ac-powered applications from Applied Motion Products
Applied Motion Products expands its family of STR Stepper Drives with two new ac-powered units for use in industrial applications powered by ac supply voltages. Offering the benefits of low noise, smooth motion, and high torque over wide speed ranges, the STRAC Stepper Drives bring high-performance motion control to basic step and direction applications. Units […]
Stepper drives: What’s the difference between an L/R drive and a chopper drive?
There are two fundamental types of stepper drives: L/R drives and chopper drives. L/R stepper drives are also referred to as “constant voltage” drives, because they supply constant voltage to the motor windings. The current produced in the windings depends on the motor’s time constant, which is the relationship between its inductance and resistance (L/R). The […]
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