Low-Cost Stepper Motion Controllers

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National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com

NI PCI-7334 (4-axis stepper) ......................................778417-01

NI PXI-7334 (4-axis stepper) ......................................778444-01

Includes hardware and NI-Motion software, libraries, and examples

Accessories

NI Motion Assistant ......................................................778553-01

Universal Motion Interfaces ......................................see page 640

Drives..........................................................................see page 642

Cables..........................................................................see page 645

BUY ONLINE!

Ordering Information

Trajectory update rate range............................ 62.5 to 500 µs/sample

Maximum update rate............................... 62.5 µs/axis

4-axis update rate ..................................... 250 µs total

Multi-axis synchronization ............................... < 1 update sample

Trajectory parameters

Velocity range............................................ 1 to 4,000,000 steps/s

Acceleration/deceleration................................ 61 to 128,000,000 steps/s2

System Safety

Watchdog timer function ................................. Resets board to startup state

Shutdown input ................................................ Disable all axes and command outputs

Motion I/O

Stepper outputs

Maximum pulse rate ................................. 4 MHz (full, half, and microstep)

Step output mode...................................... Step and direction or CW/CCW

Encoder inputs.................................................. Quadrature, incremental, single-ended

Maximum count rate ................................. 20 MHz

Forward, reverse, and home inputs

Number of inputs....................................... 3 per axis

Control ....................................................... Individual enable/disable, stop on input, prevent motion,

find home

Trigger inputs.................................................... 1 per axis

Maximum repetitive capture rate ............. 150 Hz

Breakpoint outputs

Number of outputs .................................... 1 per axis, programmable polarity

Inhibit/enable output

Number of outputs .................................... 1 per axis, programmable polarity

Analog inputs ................................................... 12-bit resolution, ±10 V range, 50 µs scan rate

Digital I/O

Ports.................................................................. 4, 8-bit TTL ports, bit configurable,

sink or source 24 mA

Open-loop PWM outputs

Number of PWM outputs .......................... 2

Clock sources............................................. Internal or external

Power Requirements

+5 VDC (±3%) ................................................... 1 A

+12 VDC (±3%) ................................................. 30 mA

-12 VDC (±3%).................................................. 30 mA

Power consumption.......................................... 5.7 W, maximum

Physical

PCI ................................................................... 17.5 by 9.9 cm (6.9 by 3.9 in.)

PXI ................................................................... 16 by 10 cm (6.3 by 3.9 in)

Connectors

Motion I/O connector ................................ 68-pin female high-density VHDCI type

Digital I/O connector ................................. 68-pin female high-density VHDCI type

Environment

Operating temperature..................................... 0 to 55 °C

Storage temperature ........................................ -20 to 70 °C

Relative humidity range ................................... 10 to 90% (noncondensing)

Specifications

Technical Support for Motion Software

As a complement to your motion software product, consider:

Technical Support – FREE through applications engineers

Motion Control Fundamentals Training – Instructor-led

Professional Services – Feasibility, consulting, and integration