Comprehensive Product Summary – ADLINK ACL‑8316/L High‑Performance Data Acquisition Card

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### 1. Product Overview

Product Name: ACL‑8316/L
Model: ACL‑8316/L (Lite version without analog output)
Series: ACL‑8316/8312 High‑Performance DAS (Data Acquisition System) Cards
Article Number: ACL‑8316/L
Manufacturer: ADLINK Technology Inc.
Trademark: NuDAQ® (registered trademark of ADLINK Technology Inc.)
Product Type: AT‑bus (ISA) Analog‑to‑Digital (A/D) Data Acquisition Card
Revision: Manual Rev. 2.40 (April 15, 2000)
Manufacturer Address: 9F, No. 166, Jian Yi Road, Chungho City, Taipei 235, Taiwan, R.O.C.
Contact: service@adlink.com.tw | Web: [www.adlink.com.tw](http://www.adlink.com.tw)

The ADLINK ACL‑8316/L is a high‑resolution, high‑performance data acquisition card designed for PC/ISA bus systems. It provides 16‑bit analog‑to‑digital conversion, high‑speed sampling up to 100 kS/s, and a 1 K‑word FIFO buffer for continuous, gap‑free data acquisition. The “L” variant omits analog output channels, offering a cost‑optimized solution for users requiring only analog input and digital I/O functionality.

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### 2. Key Features

- High‑Resolution A/D Conversion: 16‑bit successive approximation ADC (ADS7805 or equivalent).
- Sampling Rate: Up to 100 kHz multiplexed sampling.
- Analog Input Channels: 16 single‑ended or 8 differential inputs.
- Programmable Gain: ×1, ×2, ×4, ×8 for flexible input scaling.
- Input Range: Bipolar ±10 V, ±5 V, ±2.5 V, ±1.25 V.
- FIFO Buffer: 1 K‑word on‑board FIFO with half/full interrupt flags for continuous data streaming.
- Trigger Modes: Software, internal pacer (timer‑based), or external trigger (TTL).
- Data Transfer Options: Software polling, interrupt‑driven, FIFO polling, DMA (channels 5–7).
- Digital I/O: 16 TTL‑compatible digital input/output channels.
- Programmable Counter/Timer: Intel 8254‑compatible, three 16‑bit down counters with 2 MHz base clock.
- Interrupt and DMA Support: IRQ selectable (3, 5–7, 9–12, 15); DMA channels 5–7.
- Power Supply: On‑board DC/DC converter for stable analog power.
- Compact Form Factor: Half‑size ISA card (163 mm × 123 mm).
- Connectors: One 37‑pin D‑type connector and two 20‑pin ribbon connectors.
- Software Support: C/C++ library, DOS utilities, Windows DLL (ACLS‑DLL2), and LabVIEW driver (ACLS‑LVIEW).
- Calibration Support: On‑board variable resistors for A/D offset and full‑scale adjustment.
- Operating Environment: 0 °C – 55 °C, 5–95 % RH non‑condensing.

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### 3. Technical Specifications

Analog Input (A/D):
- Converter: Burr‑Brown ADS7805 (ACL‑8316)
- Resolution: 16 bits
- Type: Successive approximation
- Channels: 16 SE or 8 DI
- Conversion Time: 8 µs
- Max Sampling Rate: 100 kS/s
- Input Range (programmable): ±10 V, ±5 V, ±2.5 V, ±1.25 V
- Input Impedance: 10 MΩ
- Accuracy:
- Gain = 1: ±0.01 % FSR ± 1 LSB
- Gain = 2, 4: ±0.02 % FSR ± 1 LSB
- Gain = 8: ±0.04 % FSR ± 1 LSB
- Over‑Voltage Protection: ±35 V continuous
- Data Format: Two’s complement
- FIFO Memory: 1 K × 16‑bit words
- Trigger Modes: Software, pacer, external
- Transfer Modes: Polling, interrupt, FIFO, DMA

Digital I/O:
- Channels: 16 TTL‑compatible I/O lines
- Input Voltage: Low ≤ 0.8 V, High ≥ 2.0 V
- Output Voltage: Low ≤ 0.4 V, High ≥ 2.4 V
- Drive Capability: Sink 8 mA @ 0.5 V, Source 0.4 mA @ 2.7 V

Programmable Counter/Timer:
- Device: Intel 82C54 (3 × 16‑bit counters)
- Base Clock: 2 MHz
- Pacer Output Frequency: 0.00046 Hz – 100 kHz
- Modes: 0–5 (interrupt on terminal count, one‑shot, rate generator, square wave, software/hardware strobe)

General:
- Bus Interface: 16‑bit ISA (AT)
- I/O Base Address: 16 consecutive addresses (default = 0x220)
- IRQ Levels: 3, 5, 6, 7, 9, 11, 12, 15
- DMA Channels: 5, 6, 7
- Power Consumption: +5 V @ 400 mA typ., +12 V @ 260 mA typ.
- Dimensions: 163 mm (L) × 123 mm (H)
- Operating Temp: 0 °C – 55 °C
- Storage Temp: −20 °C – 80 °C
- Humidity: 5 – 95 % RH non‑condensing

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### 4. Functionality

The ACL‑8316/L performs high‑speed analog‑to‑digital conversion for industrial, laboratory, and embedded PC applications. It supports both single‑ended and differential input configurations, selectable via jumper (JP7). The card’s programmable gain amplifier allows precise scaling of input signals, while the 1 K FIFO buffer ensures uninterrupted data capture even at maximum sampling rates.

Use Cases:
- Industrial process monitoring and control
- Laboratory data logging and signal analysis
- Energy management and automation systems
- Security and annunciation systems
- Product testing and quality assurance
- Pulse width and period measurement

Compatibility:
- PC/AT ISA bus systems
- Supported OS: DOS, Windows 95/98/NT (via ACLS‑DLL2)
- Supported software: C/C++, Visual C++, Visual Basic, Delphi, LabVIEW

Operation Modes:
- A/D Conversion: Software, pacer, or external trigger
- Data Transfer: Polling, interrupt, FIFO, or DMA
- Digital I/O: Direct read/write via I/O ports
- Timer/Counter: Programmable for event counting or frequency generation

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### 5. Components & Accessories

Included Items:
- ACL‑8316/L Data Acquisition Card
- ADLINK Software CD (includes DOS utilities, C/C++ library, Windows DLLs, LabVIEW drivers)
- User’s Manual

Connectors:
- CN1 (20‑pin): Digital Output (DO 0–15)
- CN2 (20‑pin): Digital Input (DI 0–15)
- CN3 (37‑pin D‑type): Analog Inputs, Timer/Counter, External Trigger, Clock, and Ground

Optional Daughter Boards:
- ACLD‑8125: 37‑pin terminal board with cold‑junction compensation (CJC)
- ACLD‑9137: Direct 37‑pin connector board for simple wiring
- ACLD‑9182: 16‑channel isolated digital input board (500 V DC isolation)
- ACLD‑9185: 16‑channel SPDT relay output board
- ACLD‑9188 / ACLD‑9138: General‑purpose terminal boards (barrier‑strip or screw‑clamp types)

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### 6. Installation & Setup

Requirements:
- IBM‑compatible PC with available 16‑bit ISA slot
- DOS or Windows 95/98/NT environment
- Anti‑static handling precautions during installation

Configuration:
- Base Address: Set via 6‑position DIP switch (SW1), default = 0x220
- Analog Input Mode: JP7 selects 16 SE or 8 DI
- DMA Channel: JP1/JP2 select DMA 5, 6, or 7 (default = DMA 5)
- IRQ Level: JP3 selects IRQ 3, 5–7, 9–12, 15 (default = IRQ 15)
- Clock Source: JP4 selects internal 2 MHz or external clock (CN3 pin 37)
- Power: Supplied from PC bus (+5 V, +12 V)

Setup Steps:
1. Verify anti‑static precautions.
2. Insert card into ISA slot.
3. Configure base address, DMA, and IRQ to avoid conflicts.
4. Connect analog and digital signals via CN1–CN3.
5. Install software drivers and utilities from ADLINK CD.
6. Run diagnostic utility (8316UTIL.EXE) to verify operation.

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### 7. Performance & Capabilities

Analog Input:
- 16‑bit resolution ensures high precision (1 LSB ≈ 0.0003 V at ±10 V range).
- 100 kS/s sampling supports dynamic signal capture.
- 1 K FIFO enables continuous acquisition without data loss.
- Programmable gain allows optimal use of ADC range for varying signal amplitudes.

Digital I/O:
- 16 TTL channels for control and monitoring.
- Fast response suitable for ON/OFF control, status indication, or relay driving (via ACLD‑9185).

Timer/Counter:
- 8254‑compatible, 3 × 16‑bit counters with 2 MHz base clock.
- Counter 0 available for user applications (frequency generation, event counting).
- Counters 1 & 2 cascaded for A/D pacer timing (0.00046 Hz – 100 kHz).

DMA & Interrupt Handling:
- Supports DMA 5–7 for high‑speed, CPU‑independent data transfer.
- Interrupt sources: EOC, FIFO half‑full, internal pacer, external trigger.
- Flexible interrupt routing via selectable IRQ lines.

Limitations:
- ISA bus interface limits throughput compared to modern PCI/PCIe cards.
- Analog output channels not available on “L” version.
- Maximum sampling rate limited to 100 kS/s by ADC conversion time.

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### 8. Standards & Compliance

- Bus Interface: 16‑bit ISA (AT)
- Digital Logic Levels: TTL/DTL compatible
- Timer/Counter: Intel 8254 standard
- DMA Controller: Compatible with Intel 8237 DMA architecture
- Interrupts: PC/AT standard IRQ levels
- Environmental Compliance: Operating 0–55 °C, storage −20–80 °C, 5–95 % RH
- Safety: Over‑voltage protection ±35 V continuous on analog inputs
- EMC: Designed for industrial PC environments (non‑CE era design)

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### 9. Additional Information

Calibration:
- On‑board variable resistors (VR1–VR7) for fine adjustment:
- VR1: A/D offset
- VR2: A/D full‑scale
- VR7: A/D amplifier offset
- Calibration procedure supported by software utility and external DVM.

Software & Programming Support:
- DOS Library: C/C++ functions for A/D, D/A, DIO, Timer, and DMA control.
- Windows DLL (ACLS‑DLL2): Supports VC++, VB, Delphi.
- LabVIEW Driver (ACLS‑LVIEW): VI library for graphical programming.
- Example Functions:
- `_8316_AD_Aquire()` – single A/D read
- `_8316_AD_DMA_Start()` – DMA acquisition
- `_8316_DO()` / `_8316_DI()` – digital I/O control
- `_8316_TIMER_Start()` – timer configuration

Maintenance:
- Periodic calibration recommended for accuracy.
- Keep card free from dust and moisture.
- Use anti‑static precautions during handling.

Warranty:
- Duration: 1 year from date of purchase.
- Coverage: Defects in materials and workmanship.
- Exclusions: Damage from misuse, modification, or operation beyond specifications.
- Service: Return to ADLINK (postage prepaid) with proof of purchase.

Support Contacts:
- Sales & Service: service@adlink.com.tw
- Technical Support (NuDAQ): nudaq@adlink.com.tw
- Software Support: sw@adlink.com.tw
- Phone: +886‑2‑82265877 | Fax: +886‑2‑82265717

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### Summary

The ADLINK ACL‑8316/L is a robust, high‑precision ISA‑bus data acquisition card engineered for industrial and laboratory environments requiring reliable analog input and digital I/O capabilities. With 16‑bit resolution, 100 kS/s sampling, and a 1 K FIFO buffer, it ensures accurate, continuous data capture. Its flexible configuration—supporting multiple trigger modes, DMA/interrupt transfers, and programmable gain—makes it suitable for a wide range of measurement and control applications. The card’s comprehensive software support, calibration utilities, and optional expansion boards further enhance its adaptability and integration into complex data acquisition systems.