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TM
Excellence in Motion
42
TM
MOTION CONTROL
Patent Pending
(with optional CANopen)
• Highly Integrated Microstepping Driver/
Intelligent Motion Controller with Optional
Encoder/NEMA 42 High Torque 1.8°
Brushless Step Motor
• Advanced 2nd Generation Current
Control for Exceptional Performance
and Smoothness
• Single Supply: 120 or 240 VAC
• Cost Effective
• Extremely Compact
• High Positioning Accuracy
• No Tuning Required
• Stable at Low Speeds
• No Dithering at Zero Speed
• High Starting Torque
• Allows for Greater Inertia Mismatch
• Built-in Regeneration Circuitry
• Available Options:
- Integral Optical Encoder for Closed
Loop Control
- External/Remote Encoder (not supplied)
for Closed Loop Control
- Control Knob for Manual Positioning
- Integrated Planetary Gearbox
- IP65 Sealed Confi guration**
• Two Motor Lengths Available
• Auxiliary Logic Power Supply Input
• Up to 5 MHz Step Clock Rate
• 20 Microstep Resolutions up to
51,200 Steps Per Rev Including:
Degrees, Metric, Arc Minutes
• Open or Optional Closed Loop Control
• Programmable Motor Current
• Up to Eight +24 VDC Tolerant I/O Lines,
Sourcing or Sinking
• One 10 Bit Analog Input Selectable: 0 to +5
VDC, 0 to +10 VDC, 0-20 mA, 4-20 mA
• RS-422/485 or Optional CANopen
Communications
• 62 Software Addresses for Multi-Drop
Communications
• High Speed Position Capture Input or Trip
Output
• Electronic Gearing
**Consult Factory for Availability.
Optional communication protocols
include CANopen. The CAN bus is 2.0B
active (11 and/or 29 bit) and is capable
of all standard frequencies from 10 kHz
to 1 MHz. CANopen features include
node guarding, heartbeat producer,
SDOs and PDOs. Highlights include
variable PDO mapping and extended
node identifi er.
The MDrive42AC Plus
2
Motion Control
is available with optional closed loop
control. This increases functionality by
adding stall detection, position mainte-
nance and fi nd index mark.
The closed loop confi guration is added
via a 512 line (2048 edge) optical
encoder with index mark, internal to the
MDrive42AC so there is no increase in
length. Or, for an expanded choice of
line counts and resolutions, closed loop
control is available with an interface
to a remotely mounted user-supplied
external encoder.
In addition to encoder options, the
MDrive42AC Plus
2
Motion Control has
the capability of electronic gearing by
following a rotary or linear axis at an
electronically controlled ratio, or an
output clock can be generated fi xed to
the internal step clock.
A sealed version designed to meet
IP65 specifi cations is also available.
The sealed assembly allows the
MDrive42AC to be used in environ-
ments where exposure to chemical,
dust and liquids may occur.
Two rotary motor lengths are available
as are linear actuators with long life
Acme screw**.
In ter face con nec tions are ac com plished
using standard industrial circular con-
nectors. And connectivity has never
been easier with options ranging from
all-inclusive QuickStart Kits to indi-
vidual interfacing cables.
See pg 5.
FEATURES
DESCRIPTION
The MDrive42AC Plus2 Motion Control
system of fers de sign ers a cost effec-
tive, full featured programmable motion
con trol ler in te grat ed with a NEMA 42 high
torque 1.8° brushless step motor and a
microstepping driver operating at 120 or
240 VAC.
Unsurpassed smoothness and perfor-
mance delivered by the MDrive42AC are
achieved through IMS's advanced 2nd
generation current control. By applying
innovative techniques to control current
fl ow through the motor, resonance is sig-
nifi cantly dampened over the entire speed
range and audible noise is reduced.
The MDrive42AC accepts a broad input
voltage range from 95 to 264 VAC, deliv-
ering enhanced performance and speed.
Oversized input capacitors are used to
minimize power line surges, reducing
problems that can occur with long cable
runs and multiple drive systems. An ex-
tended operating range of –40° to +75°C
provides long life, trouble free service in
demanding environments.
The MDrive42AC Plus
2
Motion Control
system adds a versatile array of func tions
by com bin ing a full featured pro gram -
ma ble mo tion controller with our com pact
and cost ef fec tive MDrive42AC Micro-
stepping products, adding little cost and
no increase in size. Stan dard of fer ings
include up to 8 general pur pose I/O lines
(sourcing or sinking) that operate to +24
VDC, one 10 bit analog in put, electronic
gearing, high speed position capture
input/trip output, microstep res o lu tions up
to 51,200 steps per rev o lu tion, 0 to 5 MHz
step clock rate, and a full fea tured easy-
to-program in struc tion set.
The MDrive42AC Plus
2
Motion Control
system com mu ni cates over RS-422/485
which al lows for point-to-point or multiple
unit con fi g u ra tions utilizing one com mu -
ni ca tion port. Addressing and hard ware
support multiple uniquely addressed units
com mu ni cat ing over a single line.
new