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DNR-PC-911

DNR-PC-911
±15V power conversion board
 
±15V power conversion board (layer) supplies power to external devices.

The DNA-PC-91x and DNR-PC-91x series provide external power to various sensors and signal conditioning when required by your application. The 91x series may also be used to provide power to the various DNx series I/O boards requiring external power. The DNA version is designed for use in “Cube” chassis while the DNR series is for use in the RACKtangle® chassis form factors. The DNx-PC-91x series is fully backward compatible with the DNx-PC-90x series boards.

The DNx-PC-911, 912 and 913 are designed to provide output voltages of ±15 VDC, +24 VDC and ±45 VDC respectively. Input power for the boards is provided by the internal Cube or RACKtangle by default, but and external power supply* may be used to power the units. The units are designed to automatically detect the presence of an external supply and use power from it when available.

Outputs may be turned on and off under software control (default is On). The boards also provide an output voltage read-back capability allowing the application to ensure acceptable output voltage levels.

All connections are through a 37-pin D female connetor. The pinout of this connector is identical to that of the earlier DNA-PC-90x series with the exception that pins designated as “NC” on the 90x series are now used as the connections to external power when used.

The DNx-PC-91x series includes software drivers supporting all popular operating systems including: Windows, Linux, QNX, VXWorks, RTX, and most other popular Real-Time Operating Systems. Windows users may take advantage of the powerful UEIDAQ Framework which provides a simple and complete software interface to all popular Windows programming language and data acquisition and control applications (e.g. LabVIEW, DASYLab, MATLAB).
 
Characteristics:
  • Supplies ±15V @1.2A to external devices
  • Input voltage: 9-36V DC
  • 36W capability
  • Suited for powering DNR-AO-350
  • Isolated DC/DC converter
  • Overload protection
  • Overtemperature shutdown
  • Software controlled on/off switch
  • Read status of lines: voltage in limits, overload
 
Technical Specifications
General Specifications
Input voltage: DNx-PC-911 9 - 36V DC
DNx-PC-912 18 - 36V DC
DNx-PC-913 9 - 36V DC
Output voltage: DNx-PC-911 ±15 V DC ±3%
DNx-PC-912 +24 V DC ±3%
DNx-PC-913 ±45 V DC ±3%
Output current: DNx-PC-911 1.2 A
DNx-PC-912 1.6 A
DNx-PC-913 0.4 A
Output enable/disable software controlled. Default condition is ON
Input Selection Power provided by internal bus or external connection. Default source is internal.
Input protection 5 A slow-blow fuse
Output protection Short cirtuit protected, unlimited duration
Short circuit output current 150 % of Imax
Output Isolation 350 Vrms, min
Input voltage readback acc. ±1%
Temp measurment acc. ±2 °C
Power supply efficiency >75% at all currents
Power consumption 0.8W (without load)
Operating temp. range -40°C to +85°C (output current derated 1.2% per °C above 40 °C)
Operating humidity 95%, non-condensing