ADLINK PXI/DAQ/DAQe-2500 series multifunctional analog output DAQ card

ADLINK PXI/DAQ/DAQe-2500 series multifunctional analog output DAQ card

Product Overview

1. Division of product line bus

DAQ-2501/2502: Standard 32-bit PCI bus, compatible with 3.3V/5V PCI slots;

DAQe-2501/2502: PCI Express x1 bus;

PXI-2501/2502: Compliant with PXI Rev2.2 specification modular board, compatible with PXI chassis.

2. Core positioning and core capabilities

This series has the core advantage of high-speed multi-channel analog output, and the hardware architecture implements the function of arbitrary waveform generator, greatly reducing CPU usage. The waveform length is only limited by system memory; Each channel can independently configure output polarity, internal and external reference voltages, and can generate various modulated complex signals when paired with a multiplying DAC circuit;

Support AI simulation acquisition and AO waveform synchronous full speed operation, support multi card synchronous acquisition and on-board automatic calibration, without the need to manually adjust potentiometers to correct gain and offset errors.

3. Core highlights and functions

Hardware based arbitrary waveform generation, freeing up CPU resources;

Single channel independent programmable output range, internal and external reference sources;

SSI synchronous bus/PXI backplane trigger bus to achieve multi card synchronization;

Distributed aggregation DMA transmission, AI/AO high-speed without loss points;

Full board automatic calibration, excellent temperature drift and long-term stability.

Differences in core selection between two models

Model simulation output AO simulation input AI core positioning

2501 4-channel 12 bit, 1MS/s update rate, 8k sampling D/A FIFO, 8-channel 14 bit single ended, 400kS/s sampling for both multi-channel acquisition and medium channel signal output

2502 8-channel 12 bit, 1MS/s update rate, 16k sampling D/A FIFO 4-channel 14 bit single ended, 400kS/s sampling multi-channel signal generator, multi-channel excitation output as the main output

Detailed explanation of sub item hardware specifications

（1） Analog output AO (the basic electrical parameters of the two models are the same, only the channel and FIFO capacity are different)

Resolution: 12 bit multiplication DAC;

Maximum update rate: 1 MS/s;

Output range (single channel independent configuration): 0~10V, ± 10V, 0~external reference voltage, ± external reference voltage;

Electrical performance: Voltage swing rate of 20V/μ s, stable to 0.5LSB accuracy in 3 μ s; Offset error ± 8mV, gain error 0.04% of full scale; Single channel driving capability ± 5mA, capable of driving up to 1500pF capacitive passive loads;

Cache: 2501 onboard 8k sampling D/A FIFO, 2502 onboard 16k sampling D/A FIFO;

Trigger: Supports software, external analog/digital, SSI bus triggering; The triggering modes include post triggering, delayed triggering, and repeated triggering;

Data transfer: programming IO, decentralized aggregation DMA.

（2） Analog input AI (the performance indicators of the two models are unified, only the number of channels is different)

Resolution: 14 bit lossless code, single ended input only;

Maximum sampling rate: 400 kS/s;

Input range: Bipolar ± 10V, Unipolar 0-10V;

Electrical characteristics: DC DC coupling, -3dB bandwidth 600kHz; Input impedance 1G Ω/6pF; can withstand ± 30V overvoltage continuously when powered on, ± 15V when powered off; offset error ± 4mV, gain error 0.1% of full range;

Cache: Unified onboard 2k sampling A/D FIFO;

Trigger and transmission: software/external/SSI trigger, supporting polling and decentralized aggregation DMA.

（3） Digital IO DIO (Unified Specification for All Series)

24 TTL level programmable IO channels, using 8255 architecture;

The transmission method only supports programming IO.

（4） Universal Timer Counter (Unified Specification for All Series)

2-channel 16 bit independent counter;

Built in 40MHz reference clock, supports external clock up to 10MHz;

Compatible with 5V TTL level signals.

（5） Automatic calibration system

Built in+5V precision reference source;

Temperature drift: ± 2ppm/℃;

Long term stability: ± 6ppm/1000 hours;

Automatically correct gain and offset errors without the need for manual adjustment of potentiometers.

Multi card synchronous matching accessories

SSI synchronization cables: ACL-SSI-2 (2-card synchronization), ACL-SSI-3 (3-card), ACL-SSI-4 (4-card);

The DAQ/DAQE series relies on SSI bus to synchronize clock and trigger;

The PXI series supports both SSI bus and PXI backplane trigger bus dual synchronization mechanism.

Wiring terminals and cables

DIN-68S-01: DIN rail mounted terminal board, single 68 pin SCSI-II interface (excluding cables);

ACL-10568-1:1 meter 68 pin SCSI to VHDCI signal cable, matched with onboard VHDCI interface;

Onboard connector: Single channel 68 pin VHDCI female port CN1, with complete documentation providing all pin definitions, covering AO analog output, AI analog input, external trigger, counter, digital IO, reference voltage, grounding and other signals; Pin reuse rule: pins 9-12 of 2501 are AI4~AI72502, corresponding to pins AO4~AO7.

Software, driver, and operating system support

1. Compatible with operating systems

Windows XP/Vista/7/2000/2003 Server、Linux。

2. Official tools and development environment

Upper computer tools: AD Loger, DAQBench;

Programming languages: VB.net/VC.net/VB/VC++/BBB/Delphi.

3. Driver library

DAQPilot: compatible with LabVIEW;

DAQ-MTTLB: adapted to MATLAB;

D2K-DASK: Windows underlying driver;

D2K-DASK/X: Linux low-level driver.

Mechanical, Environmental, and Power Supply Specifications

1. External dimensions (excluding connectors)

PXI-2500：160 mm × 100 mm；

DAQ-2500（PCI）：175 mm × 107 mm；

DAQe-2500 (PCIe): 168 mm x 107 mm.

2. Environmental tolerance

Working temperature: 0~55 ℃;

Storage temperature: -20~70 ℃;

Humidity: 5%~95% RH, no condensation.

3. Typical power supply current

PXI version (only+5V power supply)

2501：1.6A；

2502：2.12A；

DAQE PCIe version (+3.3V+12V dual power supply)

2501：3.3V 0.78A、12V 0.6A；

2502：3.3V 0.89A、12V 0.76A。

Product application scenarios

Suitable for testing scenarios that require multi-channel controllable analog signal excitation output: hardware in the loop HIL simulation, sensor signal simulation, automated production line testing, laboratory waveform generator, audio/vibration signal simulation, and avionics equipment excitation testing; The multi bus form can be adapted to desktop industrial control computers (PCI/PCIe) and modular PXI test cases.