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Description
Overview
Essential details：VMIVME4140-000 Discrete Wire 32-Channel 12-Bit Analog Output Board
- 32 Analog Output Channels
- 0.8Ω Output Impedance
- Random Update (Non-Scanning)
- Software or External Synchronous Update of Double-Buffered Outputs
- Single Reference Potentiometer
- Automatic Calibration Initiated by Reset or by Software Command
- Unipolar (0 to +10V, 0 to +5V, 0 to +2.5V) or Bipolar (±2.5, ±5 and ±10V) Software Selectable
- Self-Test
- Front Panel Status LED
- Front Panel Analog Output Connector
- Front Panel Reference Voltage Access
The VMIVME-4140 Analog Output Board provides 32 high quality analog output channels with 12-Bit resolution, and can source or sink 10 mA at ±10 V. Each output has a dedicated D/A Converter (DAC) assigned to it. The analog outputs can be disconnected from the field wiring for offline testing. Calibration and self-test are initiated by a VMEbus system reset or by execution of a software command. During calibration, a table of offset and gain coefficients is compiled and stored in RAM. There is an entry for offset and gain corresponding to each of the 32 channels configured in each of the six output voltage ranges.
Product Family: VMIVME-4140, VMIVME 4140, VMIVME4140, VME-4140, VME 4140, VME4140
VMIVME-4140
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sunny He
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VMIVME4140-000 Discrete Wire 32-Channel 12-Bit Analog Output Board
Product Description
Functional Characteristics
Introduction: The VMlVME-4140 Analog Output Boardprovides 32 high quality analog output channels with 12-bitresolution, and can source or sink 10 mA at +10 W. Eachoutput has a dedicated D/A Converter (DAc] assigned to itThe analog outputs can be disconnected from the field wiringfor offline testing. Calibration and self-test are initiated by aWMEbus system reset or by execution of a softwarecommand. During calibration, a table of offset and gaincoefficients is compiled and stored in RAM. There is an entryfor offset and gain corresponding to each of the 32 channelsconfigured in each of the six output voltage ranges.
Self-Test: Self-Test is run automatically after system reset.The Self-Test Register indicates success or failure and canindicate the channel which has failed.
Front Panel Status LED: The LED is illuminated after asystem reset. The LED is extinguished on the successfulcompletion of self-test and autocalibration. The LED can alsobe turned ON and OFF under software control.
Board Address: The base WMEbus address is set byconfiguration of a jumper field. A jumper exists for each ofthe addresses A3l through A7: the address space occupiedby this board is 128 consecutive bytes.
VMEbus Compliance: Address modifier bits are jumperselected and decoded to support nonprivileged, supervisory,and either nonprivileged or supervisory board accesses.
Output Data Transfer: Output data is stored in 32 16-bitregisters.The board can be software configured to accepteither two’s complement or offset binary data. Outputchange may be initiated by register access, however, outputsare double buffered which allows all channels to besynchronously updated by either a software or externaltrigger.
