UMI-7764

Universal Motion Interfaces NI UMI-7764, NI UMI-7774, NI UMI-7772 • 4 and 2-axis universal motion wiring interfaces with single cable connection from motion controller • Per-axis motion signal breakout • Screw terminal connectors for encoder, limit, motion I/O, and motor driver signals • Host bus +5 VDC monitor with built-in driver inhibit control • Connectivity for third-party drive and motion components • Encoder rates of 20 MHz NI UMI-7774, NI UMI-7772 • Tailored for industrial applications • Per-axis D-Sub connectivity • Isolated signals • 4 and 2-axis versions • 24 V I/O Overview and Applications For connectivity to third-party power drives, use a National Instruments UMI interface. These products provide a comprehensive wiring and connection point for motion control and feedback signals. A single cable from the motion controller to the UMI carries input and output signals for all axes. By dividing these signals into per-axis and function-specific connections, the UMI interface simplifies integration of third-party drivers, amplifiers, encoders, limits, and I/O with NI controllers. Each UMI works with up to 20 MHz quadrature encoder rates. Each UMI incorporates a host PC power monitor that inhibits the motion driver if the host PC loses power during motion control. The UMI monitors the +5 VDC from the PC and activates the inhibit signals if the voltage falls out of tolerance. Features Enhanced motion-specific features set the UMI apart from simple connector-only screw terminal blocks. Compatibility with both TTL and differential encoders, input filtering, host-PC power monitoring, onboard inhibit functionality, and compact size make the UMI the ideal motion interface solution. The result is simplified wiring to third-party amplifier/driver and motor components. Refer to ni.com/motion for integrated amplifier, power supply, and connectivity solutions. Some signals have compatibility defined as signal pass-through, which means the UMI may have passive filtering on these signals but voltage range or current handling capabilities are not affected. Consult your motion controller specifications to determine the allowable voltage range and logic level compatibility of the signal. PC Servo and Stepper Control Boards UMI Application Software Third-Party Drive Unit Motor A B Motion I/O Limit Switches Encoders Figure 1. Typical Motion System Components Universal Motion Interfaces Connecting to Motor Drives When interfacing to a third-party power drive and motor, it is important to consider the amount of current to drive the motor and the connectivity to a motor drive. National Instruments provides a wide selection of options for interfacing to motors. You can interface to 2-phase stepper motors with 4 A peak current using National Instruments power drives. In addition, you can interface to 5-phase stepper motors and other stepper motors outside the range of NI MID Series drives using National Instruments UMI interfaces. For DC-brush servo motors that need up to 10 A peak current, you can use National Instruments power drives and controllers. For DC brushless, AC, and other types of servo motors outside the range of NI MID Series drives, an NI UMI interface simplifies connections to the motor and controller. Ordering Information NI UMI-7764 (4-axis) ..................................................777978-02 NI UMI-7774 (4-axis) ..................................................778558-01 NI UMI-7772 (2-axis) ..................................................778556-01 Cable SH 68-C68-S cable ....................................................186381-02 BUY ONLINE! Visit ni.com/info and enter umi7764. Specifications UMI-7764 Encoder Interface (each axis) Axes.................................................................. Inputs................................................................ Differential input threshold.............................. Single-ended input threshold........................... Range................................................................ Noise filter (RC time constant) ........................ Maximum quadrature frequency...................... Compatibility .................................................... 4 Quadrature, incremental ±0.3 V (typical) TTL/CMOS 0 to 5 VDC 100 ns 20 MHz Signal pass-through UMI-7774, UMI-7772 Encoder Interface Axes UMI-7774................................................... UMI-7772................................................... Inputs................................................................ Differential input threshold.............................. Input Voltage Range......................................... Single-ended input threshold........................... Maximum quadrature frequency...................... Encoder Power ................................................. 4 2 Quadrature, Incremental ± 0.3 V (typical) 0 to 5 VDC Differential only 20 MHz +5 V Trigger Inputs Noise filter (RC time constant) ........................ 100 ns Compatibility .................................................... Signal pass-through Trigger Inputs Type .................................................................. Optically isolated, sinking inputs Input Voltage Range......................................... 0 to 30 VDC Protection ......................................................... Overcurrent and reverse polarity Inhibit and Inhibit All Inputs Voltage range ................................................... 0 to 12 VDC Input voltage threshold .................................... TTL/CMOS Input pull-up resistor........................................ 3.3 kΩ Inhibit and Inhibit All Inputs Type .................................................................. Voltage range ................................................... Input voltage threshold Off .............................................................. On............................................................... Protection ......................................................... Analog Inputs .................................................. Protection ......................................................... Optically isolated, sinking inputs 0 to 30 VDC 3.5 VDC Overcurrent and reverse polarity Pass through none Analog Inputs Noise filter (RC time constant) ........................ 10 µs Compatibility .................................................... Signal pass-through Axis Inhibit Out Range................................................................ 0 to 5 VDC Output low voltage........................................... 0.5 V at 16 mA Output high voltage.......................................... 2.4 V at 3.2 mA Axis Inhibit Out Type .................................................................. Range ............................................................ Host Bus Voltage Interlock............................... Protection ......................................................... Optically isolated, sourcing outputs 5 to 30 VDC Inhibits all axes if controller power not present Short circuit and overcurrent Power Requirements +5 VDC ............................................................ 200 mA + user-defined encoder and limit power Host Bus Voltage Interlock Voltage ............................................................ 4.5 VDC Physical Dimensions....................................................... 19.5 by 15.2 by 4.5 cm (7.7 by 6.0 by 1.8 in.) General Purpose I/O Inputs................................................................ 8, optically isolated, current sinking Outputs ............................................................ 8, optically isolated, current sourcing Protection ......................................................... Yes Environment Operating temperature..................................... 0 to 55 °C Storage temperature ........................................ -20 to 70 °C Relative humidity ............................................. 10 to 90% (noncondensing) Step/Direction/Breakpoints Outputs Type .................................................................. Signal pass through Power Requirements 24 VDC (±10%) ................................................. 200 mA plus optional 5 to 30 VDC power for isolated user defined field I/O Physical Dimensions....................................................... 26 by 12.7 by 2.2 cm (10.2 by 5 by 0.87 in.) Environment Operating temperature..................................... 0 to 55 °C Storage temperature ........................................ -30 to 70 °C Relative humidity ............................................. 10 to 90%, noncondensing Shock and Vibration Operating Shock* ............................................. 30 g, 11 ms half sine, 3 shocks Operating Vibration (random)*......................... 5 , 10 to 500 Hz at 0.01 g /Hz Operating Vibration (sinusoidal)* .................... 5 g, 10 to 500 Hz *panel-mounted 2 grms 2 National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com Global Services and Support NI has the services and support to meet your needs around the globe and through the application life cycle – from planning and development through deployment and ongoing maintenance – and tailored for customer requirements in research, design, validation, and manufacturing. 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