APCIe-3521 – DAQ PCIe Card – Analog Outputs

The PCI-Express analog output card APCIe-3521 has 8/4 analog outputs, 16-bit, and 8 digital I/O, 24 V. The card is especially suited for applications in the sector of industrial process control, measurement technology and monitoring, for example for the control of chemical processes etc. in the harsh industrial environment.



Analog outputs

  • 8 or 4 analog outputs, optically isolated 500 V
  • Voltage or current outputs
  • 16-bit resolution (15-bit for 0-10 V)
  • Output ranges: ±10 V, 0-10 V (through software)
  • Output voltage after reset: 0 V
  • Each output has its own ground line (without optical isolation)
  • Output current ±5 mA max. for voltage outputs
  • Current outputs: 0-20 mA, min. load 10 Ω, max. load 560 Ω, at 20 mA
  • EMI filters


  • 4 dig. inputs including 1 interruptible input
  • 4 dig. outputs, 24 V, optically isolated

Timer / Watchdog

  • 2 timers of which 1 can be used as a watchdog

Safety features

  • Optical isolation 500 V min
  • Creeping distance IEC 61010-1
  • Protection against high-frequency EMI
  • Noise neutralisation of the PC supply


  • Industrial process control
  • Industrial measurement and monitoring
  • Control of chemical processes
  • Factory automation
  • Laboratory equipment, instrumentation


A CD-ROM with the following software and programming samples is supplied with the board.

Standard drivers for:

  • Linux
  • 32-bit drivers for Windows 8 / 7 / Vista / XP / 2000
  • Signed 64-bit drivers for Windows 8 / 7 / XP
  • Real-time use with Linux and Windows on request

Drivers and samples for the following compilers and software packages:

  • .NET
  • Microsoft VC++ • Borland C++
  • Visual Basic • Delphi
  • LabVIEW • LabWindows/CVI

ADDIPACK functions

  • Analog input • Analog output • Digital input
  • Digital output • Watchdog • Timer

On request:

Further operating systems, compilers and samples. Driver download: www.addi-data.com/downloads


Accessories for DAQ Cards

Find all the necessary and compatible accessories:




64-bit drivers for Windows and drivers for Linux as well as programming samples are included.
Real-time drivers for Linux and Windows are available on request.

For Windows For Linux



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English version German version

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