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System 470


  • Low-level multiplexed system
  • 256 analog inputs; expandable to 512
  • Throughput rates to 10kHz
  • Fully guarded differential inputs
  • Complete line of Analog and Digital function cards
  • 10Mohm input impedance, power on or off
  • 16-bit resolution including sign
  • Full scale inputs from +/-5mV to +/-10.24V
  • Voltage insertion calibration
  • SCSI, IEEE-488, or Ethernet interface
  • VXI compatible


Click here for System 470
Function Cards

The NEFF System 470 (S470) DAS is a complete, low cost moderate-speed DAS for use in computer-based applications. The S470 is designed primarily for computer automated data acquisition in test facilities, laboratories and industrial plants or wherever a moderate-speed DAS is required.

The S470 is designed to accept analog inputs ranging from 5mV to 10.24V full scale in 12 programmable steps. Signal conditioning for sensors such as strain gages, RTDs, potentiometers and thermocouples is supplied by standard S470 function cards thus eliminating the need for external sources. Other function cards support digital I/O, frequency measurement and analog output.

S470 consists of a 7-inch high, 19-inch wide enclosure with power supply, backplane wiring, I/O Control Logic printed circuit card, Analog Subassembly printed circuit card and 16 I/O card slots that accept any combination of S470 function cards. A Control/Display panel is optional and an expansion assembly is available to extend function card capacity to 32. The maximum number of channels or data points to be serviced depends on the type of function cards used. Thirty-two 16-channel Multiplexer cards, for example, provide 512 channels of analog input while a full complement of 32-bit TTL input cards accommodate 1024 single data points.



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