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MDrive AccuStep 23

Motion Control
MDrive AccuStep 23 Motion Control products feature:
  • NEMA 23 1.8° brushless step motor
  • microstepping driver
  • +12 to +60 VDC input range
  • fully programmable motion controller
  • rugged magnetic encoder with index mark,
    internal to the unit
  • AccuStep control technology's numerous benefits
  • RS-422/485 communication with CANopen option
  • 4 motor length choices
  • optional control knob or planetary gearbox
Standards conformity

Programming for point-to-point positioning, torque mode, energy-saving variable current and more, is accomplished with the feature rich MCode software and easy-to-use terminal emulator programs provided.
  • Specifications
  • Benefits & Applications
  • Options
  • Part Numbers
  • Downloads/Support

  • General & I/O
  • Motion
  • Software
  • Motor
  • Mechanical
Input voltage (+V)
 Range +12 to +60 VDC
Power supply current requirements = 3.5 A (maximum)
Communication Type RS-422/485
Baud rate 4.8 to 115.2 kbps
Thermal Operating temperature Heat sink -40° to 85°C (non-condensing)
Motor -40° to 100°C (non-condensing)
Aux. logic input voltage Range +12 to +24 VDC
Maintains power to control and feedback circuits (only) when input voltage is removed.
Analog input Resolution 10 Bit
Range
(selectable) 		0 to +5 VDC, 0 to +10 VDC, 0 to 20 mA, 4 to 20 mA
General purpose I/O Number/type 8 sourcing or sinking point programmable as inputs or outputs
Logic range Sourcing outputs +12 to +24 VDC, inputs and sinking outputs tolerant to +24 VDC, inputs TTL level compatible
Output sink/source current Up to 600 mA per channel
Protection Over Temp, Short Circuit, Transient Over Voltage, Over Voltage, Inductive Clamp
Closed loop configuration with encoder Encoder type Internal, magnetic
Steps per revolution 51200
Resolution 1000 lines / 4000 edges per rev
Counters Type Position, encoder
Resolution 32 bit
Edge rate (maximum) 5 MHz
Velocity Range +/- 5,000,000 steps per second
Resolution 0.5961 steps per second
Accel/Decel Range 1.5 x 109 steps per second2
Resolution 90.9 steps per second2
High speed I/O Position capture Input filter range 50 nS to 12.9 µS
(10 MHz to 38.8 kHz)
Resolution 32 bit
Trip – output speed / resolution / threshold 150 nS / 32 bit / TTL
Program storage Type / size Flash / 6384 bytes
User registers (4) 32 bit
User program labels and variables 192
Math functions +, –, x, ÷, >, <, =, <=, >=, AND, OR, XOR, NOT
Branch functions Branch & call
General purpose I/O functions Inputs Home, Limit Plus, Limit Minus, Go, Stop, Pause, Jog Plus,
Jog Minus, General Purpose
Outputs Moving, Fault, Stall, Velocity Change,
General Purpose
Trip functions Trip on Input, Trip on Position, Trip on Time, Trip Capture,
Trip on Relative Position
Party mode addresses 62
Encoder functions Stall Detection, Position Maintenance, Find Index
  Single length Double length Triple length Quad length
Holding torque
oz-in / N-cm		 90 / 64 144 / 102 239 / 169 283 / 200
Detent torque
oz-in / N-cm		 3.9 / 2.7 5.6 / 3.92 9.7 / 6.86 14.2 / 10.0
Rotor inertia
oz-in-sec2 / kg-cm2		 0.0025 / 0.18 0.0037 / 0.26 0.0065 / 0.46 0.0108 / 0.76
Weight (motor+driver)
oz / g 		21.6 / 612.3 26.4 / 748.4 39.2 / 1111.3 61.6 / 1746.3

 

Torque/Speed Curve

  
Single length motor
 Double length motor
   
Triple length motor
Quad length motor


 

MDrive AccuStep 23 Mechanical specifications

 

Benefits

  • No tuning required
  • Higher inertia mismatch allowed
  • High starting torque
  • Smooth motion, even at extremely slow speeds
  • Eliminates loss of synchronization
  • Allows full use of motor’s torque
  • Reduced motor heating
  • Minimizes impact of system resonance
  • Able to regulate torque, even at a standstill
  • Variable operating current, only uses the power that is required


    Applications


  • Point-to-point positioning
    – Reduce motor frame size requirement
  • Conveyor control
    – No loss of synchronization
    – Adapts to sudden load changes
  • Hydraulic and pneumatics replacement
    – Low cost
    – Accurate and variable positioning
  • Web handling
    – Tension control
  • Drilling
    – Variable torque
  • Rotary and linear positioning to torque specification
    – Container capping
    – Clamping / holding
    – Screw tightening
  • On-the-fly product marking (labeling)
    – High acceleration and deceleration rates

 


  • QuickStart Kit
  • Gearboxes
  • Linear Actuators
  • Control Knob
  • Connectivity Solutions
quickstart thumbnail
Above photo represents a QuickStart Kit.
Kit cabling varies with MDrive AccuStep ordered.

All-inclusive QuickStart Kits facilitate rapid design verification by bundling MDrive products with everything needed to connect quickly and conveniently, enabling engineers to confirm with confidence that their application’s design goals are met.

QuickStart Kits include: a single sheet instruction guide, software/manuals CD, and connection cabling including Communications Converter and Prototype Development Cable(s).

Order QuickStart Kits simply by placing a “K” at the beginning of an MDrive part number.

Connecting an MDrive has never been easier with readily available Communications Converters and Prototype Development Cables, in addition to Mating Connector Kits for use in building your own cables. Select the “Connectivity solutions” tab above for details on these connectivity options.

Planetary gearbox
The MDrive AccuStep 23 is available with a Planetary Gearbox option developed to increase torque at lower speeds, enable better inertia matching and produce finer positional resolutions. These efficient, low maintenance Planetary Gearbox come fully assembled with the MDrive and are offered in a large number of reduction ratios in 1-, 2- and 3-stage configurations.

  Permitted
output torque
(oz-in / Nm)		 Gearbox
efficiency		 Maximum
backlash		 Maximum load
(lb-force / N)
Output side with
ball bearing		 Weight (oz / g)
Radial Axial Gearbox with Flange
1-stage 566 / 4.0 0.80 0.70° 45 / 200 13 / 60 25.0 / 711 25.9 / 735
2-stage 1699 / 12.0 0.75 0.75° 72 / 320 22 / 100 32.2 / 914 33.3 / 945
3-stage 3540 / 25.0 0.70 0.80° 101 / 450 34 / 150 39.4 / 1117 40.7 / 1155

 

See NEMA 23 Planetary Gearbox for ratios and mechanical specifications.

Combining leading all-in-one integrated step motor+driver technology with linear motion to deliver long life, high accuracy and unsurpassed repeatability, all in a package that is extremely compact and affordable.

>   Non-captive shaft
>   External shaft

MDrive AccuStep is available with a factory-mounted rear control knob for manual shaft positioning.

Knob shown from rear
Dimensions in Inches (mm)
Optional Control Knob

 

 

 

 

 

 

 

 

Communication Converter

Electrically Isolated, in-line converter pre-wired with mating connector to conveniently set/program parameters for a single MDrive AccuStep via a PC's USB port. Length 12.0' (3.6m).

Converter Part Number Mating Connector Type
MD-CC402-001 (USB to RS-422/485) 10-pin wire crimp

 

Prototype Development Cables

Prototype development cables are designed to speed test/development with pre-wired mating connectors that have flying leads other end. Single-ended cordsets are PVC jacketed with foil shield and unconnected drain wire. Length 13.0' (4.0m).

Prototype Development Cable P/N Mating Connector Type Signal Type
PD14-1434-FL3 14-pin locking wire crimp I/O
PD10-1434-FL3 10-pin friction lock wire crimp Communication
PD02-2300-FL3 2-pin locking wire crimp Power

 

Mating Connector Kits

Mating Connector Kits are used to build your own cables. Kits contain 5 mating connector shells with pins. Cable not supplied. Manufacturer's crimp tool recommended.

Mating Connector Kit P/N Mating Connector Type Shell Mfg. P/N Crimp Pins Mfg. P/N
CK-09 14-pin locking wire crimp JST:  PADP-14V-1-S JST:  SPH-001T-P0.5L
CK-02 10-pin friction lock wire crimp Hirose:  DF-11-10DS-2C Hirose:  DF11-2428SC
CK-04 2-pin locking wire crimp Tyco:   794617-2 Tyco:   794610-1

 

Interface Connecting Options

View mating connector interface options by MDrive part number (P/N). Launch options by clicking link below.
 
P/N:    MAI3CRL23*6
   

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Software

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