104-DA12 Family

PC/104 Analog Output Board with Arbitrary Waveform Generation

104-DA12 Family

Model 104-DA12-8A is a PC104 board featuring eight independent 12-bit digital-to-analog converters (DACs) and broadly configurable arbitrary waveform generation (ARB) capabilities. Other convenient features include 128K SRAM for waveform data storage, eight 4-20mA current sinks, three 16-bit counter/timers and fused general-purpose +5V and +12V power outputs. An economy version is available without the ARB feature as model 104-DA12-8. The DACs can be updated individually or simultaneously. An automatic circuit sets the analog outputs to zero at power-on or reset. Each output is buffered by a short-circuit protected op-amp capable of sourcing up to 5mA. Data for updating each DAC may come from either the board's onboard RAM or from the PC/104 bus. The on-board 128 KB (64K sample) RAM and onboard intelligent circuitry provides flexible allocation of between one and eight FIFO buffers/waveforms. Arbitrary waveform generation capability becomes increasingly necessary as CPUs are burdened with a greater abundance of complex tasks. An arbitrary waveform is a user-defined set of digital values specified point by point over time. These values are then clocked through a DAC to provide the analog output signal. Virtually any waveform can be created using the software tools provided by ACCES and also by third-party software packages. The ARB relieves some of the load placed on the CPU by handling the waveform generation at the hardware level using on-board memory and control logic. This is especially useful in time-critical applications as outputs remain unaffected by latencies inherent in popular operating systems. ACCES I/O’s ARB architecture allows for total flexibility in allocating the onboard RAM across the channels depending on the complexity of the desired waveform. It is even possible to use the ARB for selected channels while operating the remaining channels in the software driven mode.

  • Brand: Acces IO
  • Broadly Configurable Arbitrary Waveform Generator (ARB)
  • DACs Independently Programmable with Unique Waveforms
  • 128K SRAM for ARB data storage
  • Independent 12-bit D/A converter per channel
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Details

Model 104-DA12-8A is a PC104 board featuring eight independent 12-bit digital-to-analog converters (DACs) and broadly configurable arbitrary waveform generation (ARB) capabilities. Other convenient features include 128K SRAM for waveform data storage, eight 4-20mA current sinks, three 16-bit counter/timers and fused general-purpose +5V and +12V power outputs. An economy version is available without the ARB feature as model 104-DA12-8. The DACs can be updated individually or simultaneously. An automatic circuit sets the analog outputs to zero at power-on or reset. Each output is buffered by a short-circuit protected op-amp capable of sourcing up to 5mA. Data for updating each DAC may come from either the board's onboard RAM or from the PC/104 bus. The on-board 128 KB (64K sample) RAM and onboard intelligent circuitry provides flexible allocation of between one and eight FIFO buffers/waveforms. Arbitrary waveform generation capability becomes increasingly necessary as CPUs are burdened with a greater abundance of complex tasks. An arbitrary waveform is a user-defined set of digital values specified point by point over time. These values are then clocked through a DAC to provide the analog output signal. Virtually any waveform can be created using the software tools provided by ACCES and also by third-party software packages. The ARB relieves some of the load placed on the CPU by handling the waveform generation at the hardware level using on-board memory and control logic. This is especially useful in time-critical applications as outputs remain unaffected by latencies inherent in popular operating systems. ACCES I/O’s ARB architecture allows for total flexibility in allocating the onboard RAM across the channels depending on the complexity of the desired waveform. It is even possible to use the ARB for selected channels while operating the remaining channels in the software driven mode.

Ordering Info

  • 104-DA12-8A (with ARB)
  • 104-DA12-8 (without ARB)
  • 104-DA12-4A (with ARB)
  • 104-DA12-4 (without ARB)

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Specification

  • Broadly Configurable Arbitrary Waveform Generator (ARB)
  • DACs Independently Programmable with Unique Waveforms
  • 128K SRAM for ARB data storage
  • Independent 12-bit D/A converter per channel
  • DACs independently or simultaneously updated
  • Output ranges of 0-5, 0-10, +/-5, +/-10V, corresponding 4-20mA output
  • 32-bit counter for precisely timed outputs
  • 16-bit counter for interrupt generation
  • On-board DC/DC converter allows operation on +5V power
  • Optional -40 to +85°C operating temperature
  • Available in 4 and 8 channels, with or without the ARB

Delivery Information

Orders dispatched from Assured Systems USA will be delivered using FedEx.

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Accepted payment methods for US customers include bank transfer, VISA or Mastercard in USD.

ACCES I/O: Warranty and Service Information

All ACCES I/O products distributed in the EMEA come with a 2 year warranty as standard, with additional extension options available upon request. As an official ACCES I/O partner, we are proud to provide customers with peace of mind and the highest quality products, including any systems which have been configured to meet individual specifications.

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