Board >> PC/104

PMAC2A PC/104
 
4 Axis Stand-alone or PC104 Bus Controller
 
Part Number: 400-603670-10x
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Designed for OEMs or end users, the PMAC2A PC/104 delivers a powerful 4- or 8-axis embedded control system for a cost-effective and compact, yet flexible and reliable solution.

The PMAC2A PC/104 can be applied directly to both analog servos or pulse-and-direction stepper drives. With optional piggyback accessory boards, it can support high speed communications with USB2.0 or Ethernet, Digital I/O with Opto-22 interface, additional axis expansion for 5-8 Axis of control and high-performance direct-PWM, pure digital control.
 
 

Hardware Features

  • 40 MHz DSP563xx CPU (OPT-5AF 80 MHz 560xx equivalent)
  • 128k x 24 internal zero-wait-state SRAM
  • 512k x 8 flash memory for user backup and firmware
  • Latest released firmware version
  • RS-232 serial interface
  • 4 channels axis interface circuitry, each including:
  • 12-bit +/-10V analog output
  • Pulse-&-direction digital output
  • Quadrature encoder inputs A, B, C, channels with differential/single-ended drivers
  • 4 input flags, 2 output flags at TTL levels
  • 3 PWM top-and-bottom pairs (unbuffered)
  • 50-pin IDC header for amplifier/encoder interface
  • 34-pin IDC header for flag interface
  • PID/notch/feedforward servo algorithms
  • 1-year warranty from date of shipment

Software Features

  • Trajectory Generation Features
    - Linear interpolation mode with S-curve accel/decel
    - Circular interpolation mode with S-curve accel/decel
    - Rapid point-to-point move mode
    - Cubic B-spline interpolation mode
    - Cubic Hermite-spline (PVT) interpolation mode
    - Automatic move-until-trigger functions with hardware capture
    - Interactive jog moves
    - Optional multi-move lookahead for velocity and acceleration limiting
  • Servo Features
    - Standard digital PID feedback filter
    - Velocity, acceleration, and friction feedforward
    - 2nd-order notch/low-pass filter
    - Gains changeable at any time
    - Programmable input, integrator, and output limits
    - Optional 35-term pole-placement servo filter
  • Commutation Features
    - Sinusoidal commutation of AC servo motors
    - Vector control of AC induction motors
    - Digital current-loop closure with direct PWM output (PMAC2)
  • Compensation Features
    - Position compensation tables (1D and 2D)
    - Torque compensation tables
    - Backlash compensation
    - Tool radius compensation
  • Safety Features
    - Hardware and software overtravel limits
    - Amplifier enable/fault handshaking
    - Following error limits
    - Integrated current limit
    - Encoder loss detection (some versions)
    - Watchdog timer
    - Program and communications checksums
  • Computational Features
    - Real-time multi-tasking operating system
    - 48-bit floating-point math for user programs
    - Trigonometric and transcendental functions
    - Automatic type-matching of different variable types
  • Feedback sensor types that can be processed
    - Digital quadrature encoders
    - Sinusoidal encoders, interferometers
    - Resolvers
    - Potentiometers
    - LVDTs, RVDTs
    - Parallel-format encoders, interferometers
    - MLDTs
    - Serial absolute encoders (e.g. SSI)
  • Coordination and Master/Slave Features
    - User-defined coordinate systems for automatic coordination of axes
    - Separate coordinate systems for independent motion of axes
    - Multi-motor axis support (e.g. gantries)
    - Dynamic axis transformations (e.g. offsets, rotations, mirroring)
    - Electronic gearing (no programming required)
    - Electronic cams with programmable profiles
  • Motion Program Features
    - High-level programming language
    - Automatic sequenced execution of moves
    - Calculations and I/O synchronous to motion
    - Axes programmed in user engineering units
    - Motion values as constants or expressions
    - Automatic coordination of multiple axes
    - Ability to execute G-code programs
  • PLC Program Features
    - Execution asynchronous to programmed motion
    - I/O control as in hardware PLC
    - Executive functions for standalone applications
    - Safety and status monitoring
    - Servo gain scheduling
    - Data reporting functions
    - Access to all registers in controller 
     
 
 
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