Comprehensive Product Summary – ADLINK ACL‑8111 Multifunction Data Acquisition Card

---

### 1. Product Overview

Product Name: ACL‑8111 Multifunction Data Acquisition Card
Model: ACL‑8111
Series: NuDAQ ISA Series
Article Number: ACL‑8111
Manufacturer: ADLINK Technology Inc.
Manufacturer Address: 9F, No. 166, Jian Yi Road, Chungho City, Taipei 235, Taiwan, R.O.C.
Website: [www.adlink.com.tw](http://www.adlink.com.tw)
Support Contacts:
- Sales & Service: service@adlink.com.tw
- Technical Support (NuDAQ): nudaq@adlink.com.tw
- Software Support: sw@adlink.com.tw
- Telephone: +886‑2‑82265877
- Fax: +886‑2‑82265717

The ADLINK ACL‑8111 is a high‑performance, multifunction data acquisition (DAQ) card designed for IBM PC/AT and compatible systems using the ISA bus. It integrates analog‑to‑digital (A/D), digital‑to‑analog (D/A), digital input/output (DIO), and counter/timer functions on a single compact board. The card is fully register‑compatible with the PCL‑711B and is part of ADLINK’s NuDAQ ISA product line.

---

### 2. Key Features

- 8 Single‑Ended Analog Input Channels: 12‑bit resolution with programmable gain (×1, ×2, ×4, ×8, ×16).
- Programmable Input Ranges: ±5 V, ±2.5 V, ±1.25 V, ±0.625 V, ±0.3125 V.
- High Sampling Rate: Up to 50 kS/s (30 kS/s typical).
- On‑Chip Sample & Hold: Ensures stable signal acquisition.
- 1 Analog Output Channel: 12‑bit monolithic multiplying DAC with 0–5 V or 0–10 V output range.
- 16 Digital Input and 16 Digital Output Channels: TTL/DTL compatible.
- Programmable Counter/Timer: 82C54 device with 32‑bit pacer source (two cascaded 16‑bit counters).
- Multiple Trigger Modes: Software, internal timer pacer, and external trigger.
- Interrupt Support: Programmable IRQ levels (IRQ2–IRQ7).
- Data Transfer Modes: Polling or interrupt‑driven.
- Rugged Connectors: 37‑pin D‑sub for analog I/O, two 20‑pin IDC connectors for digital I/O.
- Compact PCB: 158 mm × 108 mm form factor.
- Software Support: DOS C/C++ library, Windows DLL (ACLS‑DLL2), and LabVIEW interface (ACLS‑LVIEW).
- Factory Calibration: Adjustable via onboard variable resistors (VR1–VR5).
- Compatibility: Fully compatible with NuDAQ software and daughter boards (ACLD‑9137, 9182, 9185, 9188).

---

### 3. Technical Specifications

Analog Input (A/D):
- Converter Type: ADS‑774 or equivalent, successive approximation.
- Resolution: 12 bits.
- Channels: 8 single‑ended.
- Programmable Gain: 1, 2, 4, 8, 16.
- Input Ranges (bipolar): ±5 V, ±2.5 V, ±1.25 V, ±0.625 V, ±0.3125 V.
- Conversion Time: 8 µs.
- Max Sampling Rate: > 50 kHz.
- Accuracy: ±0.015 % of reading ± 1 LSB.
- Input Impedance: 10 MΩ.
- Over‑Voltage Protection: ±35 V continuous.
- Trigger Sources: Software, internal pacer, external pulse.
- Data Transfer: Polling or interrupt.

Analog Output (D/A):
- Converter: DAC7548 or equivalent, monolithic multiplying DAC.
- Channels: 1 (double‑buffered).
- Resolution: 12 bits.
- Output Range:
- Internal reference: 0–5 V or 0–10 V (unipolar).
- External reference: up to ±10 V.
- Settling Time: 30 µs.
- Linearity: ±½ LSB.
- Output Drive: ±5 mA max.

Digital I/O:
- Channels: 16 DI + 16 DO (TTL compatible).
- Input Voltage Levels:
- Logic 0: 0–0.8 V
- Logic 1: ≥ 2.0 V
- Output Voltage Levels:
- Logic 0: ≤ 0.4 V @ 8 mA sink
- Logic 1: ≥ 2.7 V @ 0.4 mA source
- Input Load:
- Low: +0.5 V @ –0.2 mA
- High: +2.7 V @ +20 µA

Counter/Timer:
- Device: Intel 82C54.
- Configuration: Two 16‑bit counters cascaded (32‑bit pacer).
- Time Base: 2 MHz oscillator.
- Output Frequency Range: 0.00046 Hz – 100 kHz.

General:
- I/O Base Address: 16 consecutive I/O locations (default = 0x220).
- Interrupt Levels: IRQ 2, 3, 4, 5, 6, 7 (programmable).
- Connectors:
- CN1: 37‑pin D‑type (analog I/O).
- CN2: 20‑pin IDC (digital input).
- CN3: 20‑pin IDC (digital output).
- Power Requirements: +5 V @ 440 mA typ., +12 V @ 60 mA typ.
- Operating Temperature: 0 °C – 55 °C.
- Storage Temperature: –20 °C – 80 °C.
- Humidity: 5 – 95 % RH, non‑condensing.
- Dimensions: 158 mm × 108 mm.

---

### 4. Functionality

The ACL‑8111 integrates multiple data acquisition functions on one ISA card:

- A/D Conversion: Converts analog signals to 12‑bit digital data using software, timer, or external triggers. The DRDY bit indicates conversion completion.
- D/A Conversion: Converts 12‑bit digital data to analog voltage output (0–5 V or 0–10 V). Double‑buffered registers ensure glitch‑free updates.
- Digital I/O: Provides 16 input and 16 output TTL channels for control, monitoring, and automation tasks.
- Timer/Counter: Generates precise pacer signals for A/D sampling or event counting.
- Interrupt Handling: Supports programmable IRQs for efficient data transfer.
- Software Control: Operable via DOS C/C++ libraries or Windows DLLs.

Typical Applications:
- Industrial process control and automation.
- Laboratory measurement and instrumentation.
- Energy management and monitoring.
- Product testing and quality assurance.
- Event counting, frequency measurement, and waveform generation.
- Security and annunciation systems.

Compatibility:
- Fully compatible with ADLINK’s NuDAQ software suite.
- Supports daughter boards for signal conditioning and isolation.

---

### 5. Components & Accessories

Included Items:
- ACL‑8111 DAQ card.
- ADLINK Software CD (includes DOS utilities, drivers, and sample programs).
- User’s Manual.

Connectors:
- CN1 (37‑pin D‑Sub): Analog inputs (AI0–AI7), analog output (AO1), analog ground (AGND), digital ground (DGND), +5 V reference.
- CN2 (20‑pin IDC): Digital inputs DI0–DI15, strobe, +5 V, ground.
- CN3 (20‑pin IDC): Digital outputs DO0–DO15, +12 V, ground.

Optional Daughter Boards:
- ACLD‑9137: Direct 37‑pin connector board for simple analog wiring.
- ACLD‑9182: 16‑channel isolated digital input board (500 V DC isolation).
- ACLD‑9185: 16‑channel SPDT relay output board for external device control.
- ACLD‑9188: General‑purpose terminal board for all I/O connections.

---

### 6. Installation & Setup

Installation Steps:
1. Unpack the card in an ESD‑safe environment.
2. Verify all components and inspect for damage.
3. Set the base I/O address using DIP switch SW1 (default = 0x220).
4. Configure the D/A reference voltage via jumper JP1 (–5 V or –10 V).
5. Mount the card into an available ISA slot.
6. Connect external signals to CN1–CN3 or to daughter boards.

Base Address Configuration:
- Address range: 0x200 – 0x3FF.
- Requires 16 consecutive I/O addresses.
- DIP SW1 corresponds to address lines A9–A4.

D/A Reference Voltage (JP1):
- –5 V → 0–5 V output (default).
- –10 V → 0–10 V output.

Environmental Requirements:
- Ensure adequate ventilation and stable power supply.
- Avoid excessive vibration or humidity.

---

### 7. Performance & Capabilities

A/D Performance:
- 12‑bit resolution with 8 µs conversion time.
- Sampling rate up to 50 kS/s.
- Programmable gain and range for precision measurement.
- ±35 V over‑voltage protection ensures durability.

D/A Performance:
- 12‑bit resolution, 30 µs settling time.
- Double‑buffered output for smooth transitions.
- Output drive ±5 mA suitable for control signals.

Digital I/O Performance:
- 16 input and 16 output channels, TTL/DTL compatible.
- Reliable switching for industrial control.

Timer/Counter Performance:
- 32‑bit pacer with 2 MHz base clock.
- Adjustable output frequency from 0.00046 Hz to 100 kHz.

Limitations:
- ISA bus interface limits throughput compared to modern PCI/PCIe cards.
- Single analog output channel.
- Single‑ended analog inputs (no differential mode).

---

### 8. Standards & Compliance

- Bus Interface: ISA (Industry Standard Architecture).
- Electrical Compatibility: TTL/DTL logic levels.
- Operating Standards: Designed for industrial and laboratory environments.
- Safety & Reliability: Factory‑tested and calibrated; over‑voltage protection on analog inputs.
- Software Compatibility:
- DOS, Windows 95/98/NT via ACLS‑DLL2.
- LabVIEW integration via ACLS‑LVIEW.
- Regulatory Compliance: Conforms to ADLINK internal quality and reliability standards.

---

### 9. Additional Information

Calibration:
- Five variable resistors (VR1–VR5) for fine‑tuning:
- VR1: D/A full‑scale adjustment.
- VR2: D/A zero offset.
- VR3: A/D offset.
- VR4: A/D full‑scale.
- VR5: A/D amplifier offset.
- Factory‑calibrated; user calibration recommended for high‑precision applications.

Software Support:
- DOS Library: Includes initialization, A/D, D/A, DI/DO, and timer functions.
- Windows DLL (ACLS‑DLL2): For VB, VC++, Delphi.
- LabVIEW Interface (ACLS‑LVIEW): Provides VIs for graphical programming.
- Sample Programs: AD_DEMO1–3, DA_DEMO, DI_DEMO, DO_DEMO.

Warranty:
- One‑year limited warranty from date of purchase.
- Covers defects in materials and workmanship.
- Excludes damage from misuse, modification, or operation beyond specifications.
- Return shipping prepaid; proof of purchase required.

Maintenance:
- Periodic calibration recommended for accuracy.
- Keep connectors clean and free from dust.
- Store in anti‑static packaging when not in use.

Support & Service:
ADLINK provides technical assistance via email and phone. Users should provide model number, operating environment, and system configuration when requesting support.

---

### Summary

The ADLINK ACL‑8111 is a robust, multifunction ISA data acquisition card integrating analog, digital, and timing functions for industrial and laboratory automation. With 12‑bit resolution, programmable gain, and flexible triggering, it supports precise measurement and control tasks. Its combination of analog input/output, digital I/O, and counter/timer capabilities makes it ideal for process monitoring, control systems, and test automation. Supported by comprehensive software libraries and optional daughter boards, the ACL‑8111 remains a versatile and reliable solution for legacy ISA‑based data acquisition applications.