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10889B PC Servo-Axis Board

Status do Produto: Obsoleto | Veja opções de Serviço
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Principais recursos e especificações

General

  • Platform and size: PC-ISA-AT, 114 x 339 mm
  • Number of Axes per Board: 1
  • Resolution Extension: x64
  • External Sample Inputs: 1

Operation with Plane Mirror Optics

  • Resolution: 2.5 nm
  • Maximum Velocity (also limited by laser head): 550 mm/sec

Timing

  • Position Data Update Rate: 10 MHz
  • External Asynchronous Sample Uncertainty: ± 50 ns
  • Data Age Variation: < 1 ns @ constant Temp, < 10 ns for 0 to 55 deg C
  • Servo Sample Rate: 250 Hz to 20 kHz (max depends on difference equation used)

Special Features

  • ± 10V Analog Output for closed loop servo control
  • PID and 2nd and 3rd order IIR Difference Equations included
  • 32-bit, 2´s Complement Hardware Position Output @ 10 MHz
  • 32-bit Programming API available for Windows 9x, NT, 2000, XP

Descrição

The Keysight 10889B PC servo-axis board is a programmable, digital servo with built-in motion control algorithms. The combined servo-axis board provides a complete closed-loop positioning solution for PC-based laser interferometer systems. It offers both high resolution and a high sample rate. Output is a ±10 V analog motor drive signal updated at 20 kHz. Position outputs are available over the PC backplane and via direct hardware output.

 

  • Motor Drive Outputs
  • +/-10 V analog (DAC and AGND):
  • * Resolution: 0.305 mV
  • * Output updated at sample rate
  • * Programmable limit (centered on 0 volts)
  • Programmable Control
  • Programmable Sample Rate: 250 Hz to 20 kHz (depending on equation used)
  • Programmable Difference Equation Coefficients:
  • 3 coefficients for PID
  • 5 coefficients for IIR
  • Programmable Feedforward Terms:
  • Feedforward Velocity
  • Feedforward Acceleration
  • Feedforward Delta Acceleration
  • Proifiling Modes:
  • Internal and External Position Profiling
  • Internal and External Velocity Profiling
  • Buffered Position Profiling (Linear Interpolation available)
  • Programmable Profile Limit Terms:
  • Position Profiling (velocity, acceleration, and delta acceleration)
  • Velocity Profiling (acceleration and delta acceleration)
  • Programmable Trace Function:
  • Buffer Size: 32 K longwords
  • Data Size:
  • Reference position, actual position: one long word
  • Difference equation output, drive signal output: half long word
  • (Position Error can be displayed from reference position minus actual position)
  • Included Software Tools
  • - Tune Program
  • - Demo Programs
  • - Library of C Functions
  • - User Downloadable Routines
  • (Contact your Keysight Sales Representative for C Function Libraries and Downloadable Routines.)
  • Resolution
  • Optics Resolution
  • Linear or Single Beam lambda/128 or 5 nm (0.2 micro inch)
  • Plane Mirror lambda/256 or 2.5 nm (0.1 micro inch)
  • High Resolution lambda/512 or 1.2 nm (0.05 micro inch)
  • Hardware Position Output
  • (Uses PC Internal Ribbon Cable Connector)
  • Binary Units: Fractions of a wavelength, 2's complement
  • Data Update Rate: 10 MHz for all laser heads
  • Data Age: Typical 1.2 us fixed
  • <1 ns ambiguity for constant ambient temperature
  • <10 ns ambiguity over a temperature range of 0-55 degrees C
  • Assumes sampling is synchronized to the 10 MHz clock
  • Least Significant Bit (one count) equals resolution/4
  • PC Backplane Position Output
  • Binary Units: Fractions of a wavelength, English or metric
  • Least Significant Bit (one count) equals resolution
  • Data Update Rate (typical): Varies according to board configuration and
  • PC performance
  • Units 386/25 PC 486SX/25 PC
  • Inches or metric 7 kHz 8 kHz
  • Raw, uncompensated counts 10 kHz 12 kHz
  • Note: Custom downloadable software may significantly improve these data rates. Contact your Keysight Sales Representative for details.
  • Power Requirements (typical)
  • 5 Vdc + 0.25V / -0.125 V at 3.0 A
  • +12V +/-0.5 Vdc at 0.15 A
  • -12V +/-0.5 Vdc at 0.05 A
  • Physical
  • Weight: 0.45 kg (1 lb)
  • Operating Temperature: 0-40 degrees C (32-104 degrees F)
  • PID filter included for simpler positioning problems; IIR filter handles more complex situations
  • Tuning software speeds startup
  • Trace capability simplifies optimization and servo-loop
  • characterization
  • Robust feature set provides versatility
  • High reliability backed by three-year warranty
  • Customized routines available from Keysight