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S e c t i o n 1 . 1
T h e M D r i v e I n t e g r a l M o t o r + D r i v e r
S e c t i o n O v e r v i e w
The purpose of this section is to introduce the user to the MDrive integrated
high torque motor and microstepping driver. Covered are:
I n t r o d u c t i o n t o t h e M i c r o s t e p p i n g M D r i v e
The MDrive high-torque Integrated Motor and Driver is ideal for designers
who want the simplicity of a motor with on-board electronics, but without the
expense of an indexer on each axis. The low cost MDrive puts the system
designer in the driver's seat to decide the best method of control. The Drive's
integrated electronics eliminates the need to run the motor cabling through the
machine, reducing the potential for problems due to electrical noise.
The MDrive uses a NEMA 17 or NEMA 23 1.8° motor combined with a
microstepping drive, and accepts up to 14 resolution settings from 1/2 to 256
microsteps per step. Setup parameters include Microstep Resolution, Run
and Hold currents, Motor Direction vs. Direction Input and can be changed
on-the-fly or downloaded and stored in non-volatile memory with the use of a
simple user interface program which is provided, eliminating the need for
external switches or resistors. Parameters are changed via an SPI (Serial
Peripheral Interface) port located on connector P2. This port connects to the
printer port on your PC. Operating voltage for the MDrive17 ranges from
+12 to +48 VDC. The MDrive23 is available in two voltage ranges, either +12
to +48 or +24 to +75 VDC.
The versatile, compact MDrive is available in multiple configurations to fit
various system needs including a single shaft stand-alone device, a rotary
motor with optical encoder, a planetary gearbox, an Acme screw linear
actuator, or with an optional rear knob for hand operation of the motor. The
rotary MDrive is available in three different stack lengths: 13, 15 & 19 for the
MDrive17; and 18, 22 & 31 for the MDrive23. Interface connections are
accomplished using either a 7 position terminal block, 12" (30.5cm) flying
leads, or optional 12-position keyed and locking pin and receptacle
(C Connector).
The MDrive is a small, powerful and inexpensive solution that will reduce
system cost, design and assembly time for a large range of stepping motor
applications.
8
Introduction to the Microstepping MDrive
Microstepping MDrive Features and Benefits
Introduction to the Speed MDrive Control
MDrive Speed Control Features and Benefits
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