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Highlights

General

  • Platform and size: PC-PCI, 98 x 312 mm
  • Number of Axes per Board: 3
  • Resolution Extension: x512
  • External Sample and Data Hold Inputs: 0 + 3

Operation with Plane Mirror Optics

  • Resolution: 0.31 nm
  • Maximum Velocity (also limited by laser head): 2800 mm/sec

Timing

  • Position Data Update Rate: 20 MHz
  • Asynchronous Data Hold Uncertainty: ± 25 ns (relative to OCLK)
  • Synchronous Data Hold Uncertainty: ± 1 ns (relative to ICLK)

Special Features

  • Simple programming API (Windows NT4/2000/XP)
  • Direct Interface to PMAC/UMAC Servos systems from Delta Tau

The Keysight N1231A PCI Three-Axis Laser Board is a register based PCI bus board that implements three axes of laser measurement for position monitoring and closed-loop servo control. The hardware outputs, optimized for connection to a DeltaTau PMAC servo control system, provide parallel digital position data at rates up to 4MHz. The same position data along with velocity data is available over the PCI bus at rates up to 100kHz (3 axes of position and velocity) or 200kHz (position or velocity only).

  • Three axes of laser measurement on one board
  • Simple programming API (Windows NT4/2000/XP)
  • 0.6 nm (lambda/1024) using Linear or Single Beam interferometers
  • PCI Compliant
  • Size: 98 x 312 mm

Key Specifications

Download Data Sheet
Bus
PC-PCI (33MHz) PCI local bus spec rev 2.2
Max Data rate for direct hardware outputs (kHz)
4000
Max Data rate over bus (kHz)
400 (I/O capability of board if reading one axis, ignoring SW and HW delay of controller)
Number of Axes per board
3
Plane Mirror (PM) Resolution (nm)
0.3
System PM velocity limit (mm/s) * depends on laser head, axis board and receiver capability
± 1107*
Bus
Max Data rate for direct hardware outputs (kHz)
Max Data rate over bus (kHz)
Number of Axes per board
Plane Mirror (PM) Resolution (nm)
System PM velocity limit (mm/s) * depends on laser head, axis board and receiver capability
PC-PCI (33MHz) PCI local bus spec rev 2.2
4000
400 (I/O capability of board if reading one axis, ignoring SW and HW delay of controller)
3
0.3
± 1107*
View More
Bus:
PC-PCI (33MHz) PCI local bus spec rev 2.2
Max Data rate for direct hardware outputs (kHz):
4000
Max Data rate over bus (kHz):
400 (I/O capability of board if reading one axis, ignoring SW and HW delay of controller)
Number of Axes per board:
3
Plane Mirror (PM) Resolution (nm):
0.3
System PM velocity limit (mm/s) * depends on laser head, axis board and receiver capability:
± 1107*
PCI 3 Axis Laser Board

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