Comprehensive Product Summary: ADLINK PCI-9111DG Multi-Function Data Acquisition Card

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### 1. Product Overview

Product Name: PCI-9111DG
Model: PCI-9111DG
Series: PCI-9111 Series – 16-Channel, 12/16-Bit, 100 kS/s Low-Cost Multi-Function DAQ Cards
Article Number: PCI-9111DG
Manufacturer: ADLINK Technology Inc.
Product Type: PCI Bus Multi-Function Data Acquisition (DAQ) Card
Category: NuDAQ® PCI Series

The ADLINK PCI-9111DG is a high-performance, cost-effective, 32-bit PCI bus data acquisition card designed for industrial, laboratory, and embedded measurement applications. It belongs to the PCI-9111 series, which includes the PCI-9111DG (12-bit resolution) and PCI-9111HR (16-bit resolution) models. The PCI-9111DG integrates analog input, analog output, digital I/O, and counter/timer functions on a single half-size PCI card, providing a compact and flexible solution for data logging, signal analysis, and process control.

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### 2. Key Features

- High-Speed Analog Input:
16 single-ended analog input channels with 12-bit resolution and up to 100 kS/s sampling rate.

- Programmable Input Ranges:
Bipolar voltage ranges of ±10 V, ±5 V, ±2.5 V, ±1.25 V, and ±0.625 V, software-selectable with programmable gains of x1, x2, x4, x8, and x16.

- Onboard Filtering:
Each analog input channel includes an RC filter for signal conditioning and noise attenuation.

- Analog Output:
One 12-bit D/A output channel with jumper-selectable unipolar (0–10 V) or bipolar (±10 V) output range.

- Digital I/O:
16 TTL-compatible digital input channels and 16 TTL-compatible digital output channels, plus 4 extended digital inputs and 4 extended digital outputs.

- FIFO Buffer:
1 k-sample (1024-word) A/D FIFO buffer for efficient data streaming and reduced CPU overhead.

- Triggering and Timing:
Supports software, timer pacer, and external trigger modes. Includes pre-trigger and post-trigger control for event-based data acquisition.

- Counter/Timer:
Integrated Intel 8254-compatible programmable counter/timer with three 16-bit counters and a 2 MHz base clock.

- Dual Interrupt System:
Two independent interrupt sources (EOC, FIFO half-full, pacer, or external trigger) for flexible interrupt-driven data transfer.

- Compact Design:
Half-size PCI form factor (175 mm × 107 mm) with plug-and-play PCI configuration.

- Software Support:
Compatible with Windows and Linux operating systems; supports LabVIEW™, MATLAB®, DAQBench™, and ADLINK’s PCIS-DASK driver library.

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### 3. Technical Specifications

Analog Input (A/D):
- Channels: 16 single-ended
- Resolution: 12 bits (PCI-9111DG)
- Conversion Time: 8 µs
- Sampling Rate: 100 kS/s maximum
- Input Ranges (bipolar): ±10 V, ±5 V, ±2.5 V, ±1.25 V, ±0.625 V
- Programmable Gains: 1, 2, 4, 8, 16
- Accuracy:
- Gain 1–2: ±0.01% of FSR ±1 LSB
- Gain 4–8: ±0.02% of FSR ±1 LSB
- Gain 16: ±0.04% of FSR ±1 LSB
- Input Coupling: DC
- Input Impedance: 10 MΩ
- Overvoltage Protection: ±35 V continuous
- Trigger Modes: Software, timer pacer, external (TTL 5 V)
- FIFO Buffer: 1 k-sample (1024 words)
- Data Transfer: Polling or interrupt-driven

Analog Output (D/A):
- Channels: 1
- Resolution: 12 bits
- Output Range: 0–10 V (unipolar) or ±10 V (bipolar), jumper-selectable
- Output Drive: ±5 mA maximum
- Settling Time: 30 µs
- Converter Type: DAC7541 or equivalent
- Data Transfer: Programmed I/O

Digital I/O:
- Channels: 16 inputs, 16 outputs (TTL/DTL compatible)
- Input Voltage:
- Low: 0–0.8 V
- High: 2.0–5.5 V
- Output Voltage:
- Low: ≤0.4 V @ 8 mA sink
- High: ≥2.4 V @ 0.4 mA source
- Extended Digital I/O: 4 inputs, 4 outputs (TTL-compatible)

Counter/Timer:
- Device: Intel 8254-compatible
- Counters: 3 × 16-bit
- Base Clock: 2 MHz
- Pacer Output Frequency: 0.00046 Hz to 100 kHz
- Pre-trigger Counter: 16-bit, counts A/D conversion pulses

Physical & Environmental:
- Dimensions: 175 mm × 107 mm (excluding connectors)
- Power Consumption: +5 V @ 570 mA typical
- Operating Temperature: 0°C to 60°C
- Storage Temperature: -20°C to 80°C
- Humidity: 5–95% RH, non-condensing
- Connectors:
- CN1: 20-pin ribbon (Digital Input)
- CN2: 20-pin ribbon (Digital Output)
- CN3: 37-pin D-sub (Analog I/O, Extended I/O, Trigger)

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### 4. Functionality

Operation Principle:
The PCI-9111DG performs analog-to-digital conversion using a successive approximation ADC (Burr-Brown ADS7804). It supports single-ended analog inputs with programmable gain and range. The onboard FIFO buffer allows continuous sampling at up to 100 kS/s without data loss. The card can operate in software-triggered, timer-pacer, or externally triggered modes, enabling flexible synchronization with external events.

Use Cases & Applications:
- Industrial process monitoring and control
- Laboratory instrumentation and automation
- Signal acquisition and waveform analysis
- Energy management systems
- Product testing and quality assurance
- Event counting and frequency measurement
- Security and environmental monitoring

Compatibility:
- PCI 32-bit, 5 V bus interface (Plug-and-Play)
- Supported OS: Windows 7/XP/2000/Vista, Linux
- Supported Software: AD-Logger, DAQBench™, LabVIEW™, MATLAB®, DASYLab™, InTouch™, InControl™, ISaGRAF™

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### 5. Components & Accessories

Included:
- PCI-9111DG DAQ card
- ADLINK software CD (drivers, utilities, manuals)
- Software Installation Guide

Optional Termination Boards & Cables:
- DIN-37D: 37-pin D-sub termination board with DIN-rail mount (includes 1 m ACL-10137 cable)
- DIN-20P: 20-pin ribbon termination board with DIN-rail mount (includes 1 m ACL-10120 cable)
- ACLD-9137: General-purpose 37-pin D-sub male termination board
- ACLD-9188: Dual 20-pin ribbon + 37-pin D-sub termination board (includes two 1 m ACL-10120 cables)
- ACLD-9182A: 16-channel isolated digital input board (includes 1 m ACL-10120 cable)
- ACLD-9185: 16-channel relay output board (includes 1 m ACL-10120 cable)
- ACLD-8125: 37-pin D-sub board with cold junction compensation sensor for thermocouple applications

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### 6. Installation & Setup

Hardware Installation:
1. Power off the PC and disconnect peripherals.
2. Insert the PCI-9111DG into an available 32-bit PCI slot.
3. Secure the card and reconnect system power.
4. The system BIOS automatically assigns resources (IRQ, I/O base).

Jumper Configuration:
- JP1: Selects analog output range
- BI = Bipolar (±10 V)
- UI = Unipolar (0–10 V)

Software Installation:
- Windows Plug-and-Play automatically detects the card.
- Install drivers from the ADLINK CD using the Software Installation Guide.
- Use the included utilities (9111util.exe) for configuration, calibration, and functional testing.

Connectors:
- CN1: Digital Inputs (DI0–DI15)
- CN2: Digital Outputs (DO0–DO15)
- CN3: Analog Inputs (AI0–AI15), Analog Output (DA Out), Extended I/O, Trigger signals

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### 7. Performance & Capabilities

- Sampling Rate: Up to 100,000 samples per second
- Resolution: 12-bit A/D, 12-bit D/A
- FIFO Buffer: 1 k-sample depth for continuous acquisition
- Triggering: Software, timer pacer, or external TTL trigger
- Interrupts: Dual interrupt system (EOC, FIFO half-full, pacer, external)
- Counter/Timer: 8254-based, 2 MHz clock, 3 × 16-bit counters
- Pre/Post Trigger: Hardware-supported pre-trigger and post-trigger modes for event-based acquisition
- Accuracy: Up to ±0.01% of full-scale range
- Output Settling Time: 30 µs typical
- Output Drive: ±5 mA maximum

Limitations:
- Single-ended analog inputs only (no differential mode)
- One analog output channel
- No onboard isolation for analog channels (external isolation via ACLD-9182 recommended)

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### 8. Standards & Compliance

- Bus Interface: 32-bit, 5 V PCI bus (Plug-and-Play compliant)
- Electrical Compliance: TTL/DTL compatible digital I/O
- Environmental Compliance: RoHS-compliant manufacturing
- Safety & Reliability: ±35 V continuous overvoltage protection on analog inputs
- Software Standards: Compatible with major DAQ software frameworks (LabVIEW™, MATLAB®, DASYLab™, OPC, ActiveX)

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### 9. Additional Information

Calibration:
- Factory-calibrated prior to shipment.
- Onboard variable resistors (VR1–VR5) for fine adjustment:
- VR1: D/A full-scale
- VR2: D/A offset
- VR3: A/D offset
- VR4: A/D full-scale
- VR5: A/D amplifier offset
- Calibration utility (9111util.exe) included for guided recalibration.

Maintenance:
- Recommended recalibration interval:
- 3 months (industrial environments)
- 6–12 months (laboratory conditions)
- Clean connectors periodically; avoid electrostatic discharge during handling.

Warranty & Support:
- Standard 2-year limited warranty (1 year in China).
- Covers defects in materials and workmanship.
- Excludes damage from misuse, improper installation, or environmental factors.
- Technical support available via ADLINK service channels:
- Email: service@adlinktech.com
- Web: [www.adlinktech.com](http://www.adlinktech.com)

Software Utilities:
- 9111util.exe: Configuration, calibration, and functional testing utility.
- I_EEPROM: Enables/disables onboard interrupt functions.
- PCIS-DASK Library: Comprehensive driver library for Windows and Linux.
- DAQBench™ ActiveX Controls: For VB/VC++ integration.
- LabVIEW™ and MATLAB® Drivers: For seamless integration with scientific software.

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### Summary

The ADLINK PCI-9111DG is a robust, versatile, and economical PCI-based data acquisition card offering 12-bit resolution, 16 analog input channels, and a 100 kS/s sampling rate. With integrated analog output, digital I/O, and counter/timer functions, it provides a complete DAQ solution for industrial automation, laboratory measurement, and embedded control systems. Its flexible triggering, programmable gain, and comprehensive software support make it ideal for engineers and researchers requiring reliable, high-speed data acquisition in a compact PCI form factor.