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N1230A PCI Three-Axis Position Monitor Board

技术资料

Overview

The Keysight Technologies, Inc. N1230A PCI three-axis laser monitor board is a register-based PCI bus board that implements three axes of laser interferometer measurement for position monitoring. There are three external individual axis sample inputs.

Several threshold compare registers with interrupt capability can be used for travel limit and in-window or out-of-window detection functions.

The user can programmably access the externally sampled position and velocity data, as well as the software sampled position and velocity data, over the PCI bus at rates up to 5 kHz (3 axes of position and velocity) or 10 kHz (position or velocity only).

Features and Benefits

  • three axes of laser measurement on one 98 x 312 mm board
  • three external sample inputs (one per axis) with associated position and velocity sample registers
  • hardware status outputs
  • simple programming API (Windows)
  • software sample rates up to 10 kHz (3 axes of data)
  • measurement resolution using plane mirror type interferometers: 0.15 nm
  • maximum velocity ±2800 mm/s using plane mirror interferometers (also limited by laser head)
  • 6 threshold compare registers with IRQ capabilities
  • can generate IRQ on error, sample or threshold conditions
  • power requirements (typical) o +5 Vdc +0.25 V / -0.125 V at approximately 2.8 Amps
  • o +12 Vdc ±0.5 V at approximately 50 milliamps
  • o -12 Vdc ±0.5 V at approximately 50 milliamps
  • timing
  • o position data update rate: 20 MHz, 36-bits per axis internal position update rate
  • o external asynchronous sample uncertainty: ±50 ns
  • PCI compliant
  • bus interface: 33 MHz @ 3.3 or 5 Volt signal levels
  • data transfers: 16 or 32 bit transfers
  • resolution extension: x1024