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Part 1: Hardware Specifications
SE C T I O N 1 . 1
Introduction to the MDrive34AC Plus Microstepping
The MDrive34AC Plus Microstepping high torque inte-
grated motor and driver is ideal for designers who want the
simplicity of a motor with on-board electronics. The inte-
grated electronics of the MDrive34AC Plus eliminate the
need to run motor cabling through the machine, reducing
the potential for problems due to electrical noise.
The unsurpassed smoothness and performance delivered by
the MDrive34AC Plus Microstepping are achieved through
IMS's advanced 2nd generation current control. By apply-
ing innovative techniques to control current flow through
the motor, resonance is significantly dampened over the
entire speed range and audible noise is reduced.
The MDrive34AC Plus accepts a broad input voltage range
from 95 to 264 VAC, delivering enhanced performance
and speed. Oversized input capacitors are used to minimize
power line surges, reducing problems that can occur with
long runs and multiple drive systems. An extended operat-
ing range of –40° to +85°C provides long life, trouble free
service in demanding environments.
The MDrive34AC Plus uses a NEMA 34 frame size high torque brushless motor combined with a microstepping
driver, and accepts up to 20 resolution settings from full to 256 microsteps per full step, including: degrees, metric
and arc minutes. These settings may be changed on-the-fly or downloaded and stored in nonvolatile memory with
the use of a simple GUI which is provided. This eliminates the need for external switches or resistors. Parameters
are changed via an SPI port.
For use in environments where exposure to dust and liquids may occur, a sealed MDrive34AC Plus Microstepping
unit with circular connectors meets IP65 specifications.
The versatile MDrive34AC Plus Microstepping is available in multiple configurations to fit various system needs.
Three rotary motor lengths are available as are optional: internal optical encoder; control knob for manual po-
sitioning; integrated planetary gearbox. A long life Acme screw linear actuator version is also available. Interface
connections are accomplished using standard industrial connectors.
The MDrive34AC Plus is a compact, powerful and inexpensive solution that will reduce system cost, design and
assembly time for a large range of brushless motor applications.
Configuring
The IMS Motor Interface software is an easy to install and use GUI for configuring the MDrive34AC Plus from a
computer's USB port. GUI access is via the IMS SPI Motor Interface included on the CD shipped with the prod-
uct, or from www.imshome.com. Optional cables are available for ease of connecting and configuring the MDrive.
The IMS SPI Motor Interface features:
Easy installation.
Automatic detection of MDrive version
and communication configuration.
Will not set out-of-range values.
Tool-tips display valid range
setting for each option.
Simple screen interfaces.
Features and Benefits
Highly Integrated Microstepping Driver and NEMA 34 High Torque Brushless Motor
Advanced 2nd Generation Current Control for Exceptional Performance and Smoothness
Single Supply: 120 or 240 VAC
Low Cost
Extremely Compact
Figure 1.1.1: MDrive34AC Plus Microstepping Integrated
Motor, Power Supply, and Drive Electronics