Comprehensive Product Summary: ADLINK PCIe-7296 Digital I/O Card

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### 1. Product Overview

Product Name: PCIe-7296
Model: PCIe-7296
Series: 72XX Series (24/48/96-CH Digital I/O Cards)
Article Number: 50-11104-2020
Manufacturer: ADLINK Technology Inc.
Product Type: PCI Express Digital I/O Card, 96 DIO Channels, Opto-22 Compatible

Manufacturer Contact Information:
ADLINK Technology Inc., 9F, No.166 Jian Yi Road, Chungho City, Taipei County 235, Taiwan
Tel: +886-2-8226-5877 | Fax: +886-2-8226-5717 | Email: service@adlinktech.com
Website: [www.adlinktech.com](http://www.adlinktech.com)

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### 2. Key Features

- High-Density Digital I/O:
96-channel TTL/DTL-compatible digital input/output lines, organized as four 24-bit ports (A, B, C per connector).

- 8255 PPI Emulation:
Emulates four industry-standard Intel 8255 Programmable Peripheral Interface chips operating in Mode 0 configuration.

- Opto-22 Compatibility:
Direct interface with OPTO-22-compatible I/O modules for industrial control and signal isolation.

- Buffered I/O Circuits:
Buffered input/output circuitry ensures higher drive capability and signal integrity.

- Dual Interrupt System:
Supports two simultaneous interrupt sources (INT1 and INT2) with programmable trigger conditions and multiplexed interrupt control.

- Integrated Timer/Counter:
Includes one 8254 programmable timer/counter chip providing:
- 32-bit cascaded timer for watchdog or periodic interrupts
- 16-bit event counter for external event counting
- Programmable interrupt generation

- Power Distribution:
Provides +5V and +12V power outputs on OPTO-22 connectors with resettable fuses for external device protection.

- Plug-and-Play PCI Express Interface:
Fully compliant with PCI Express x1 bus standard; automatic resource allocation (I/O address and IRQ) via BIOS.

- Software Support:
Comprehensive driver and library support for Windows and Linux, including PCIS-DASK, LabVIEW™, MATLAB®, and ActiveX/DAQBench™.

- Industrial-Grade Design:
Operating temperature range 0°C to 60°C, humidity 5–95% non-condensing, suitable for industrial automation environments.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Digital I/O Channels | 96-bit (4 × 24-bit ports) |
| Digital Input Signal | Logic High: 2.0–5.25 V; Logic Low: 0.0–0.8 V |
| Input Current | High: 20 µA; Low: –0.2 mA |
| Digital Output (Ports A/B) | Logic High ≥ 2.4 V; Logic Low ≤ 0.5 V; High Current –2.6 mA; Low Current 24 mA |
| Digital Output (Port C) | Logic High ≥ 2.4 V; Logic Low ≤ 0.4 V; High Current –15 mA; Low Current 24 mA |
| Bus Interface | PCI Express x1 |
| Connectors | Four 50-pin male ribbon (IDC) connectors |
| Power Consumption | 590 mA @ 12 VDC, 280 mA @ 3.3 VDC |
| Transfer Rate | Up to 500 KB/s |
| PCB Dimensions | 168 mm × 112 mm |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | –20°C to 80°C |
| Humidity | 5%–95% RH, non-condensing |
| Power Output (External) | +5 V and +12 V, 0.5 A max per connector (resettable fuse protected) |

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### 4. Functionality

Operation Principle:
The PCIe-7296 card provides 96 programmable digital I/O lines grouped into four 24-bit ports, each emulating an 8255 PPI chip. Each port can be configured independently as input or output. The card supports both read-back of output states and buffered input for reliable signal acquisition.

Use Cases and Applications:
- Industrial process control and automation
- Machine status monitoring and control
- Digital signal acquisition and pattern generation
- Contact closure and switch/keyboard matrix scanning
- Integration with OPTO-22 modules for isolated I/O
- Combined analog/digital data acquisition systems

Compatibility:
- Compatible with PCI Express x1 slots on industrial PCs and workstations.
- Software-compatible with ADLINK PCI-7248, PCI-7224, and CompactPCI-7248/7249R models.

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### 5. Components & Accessories

Included Items:
- PCIe-7296 Digital I/O Card
- ADLINK Software & Driver CD
- Software Installation Guide
- User’s Manual (Rev. 2.61)

Optional Accessories:
- Termination Boards:
- TB-24R / DIN-24R: 24 Form C relay outputs
- TB-24P / DIN-24P: 24 opto-isolated digital inputs
- TB-16P8R: 16 opto-isolated inputs + 8 relay outputs
- TB-24 / DIN-50S: General-purpose 50-pin termination boards
- Cables: 50-pin flat ribbon cables for OPTO-22 interface
- Rear I/O Transition Board: For CompactPCI variants (DB-100RU)

Connectors:
- Four 50-pin male IDC headers (CN1–CN4)
- Each connector provides ports A, B, C (8 bits each) and power pins (+5V, +12V, GND).

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### 6. Installation & Setup

System Requirements:
- Available PCI Express x1 slot
- Windows 2000/XP/Vista/7/10 or Linux kernel with PCIS-DASK/X support

Installation Steps:
1. Power off the host system and disconnect peripherals.
2. Insert the PCIe-7296 card into an available PCIe x1 slot.
3. Secure the bracket and reassemble the chassis.
4. Power on the system; BIOS automatically assigns I/O and IRQ resources.
5. Install ADLINK drivers from the provided CD or website.
6. Verify installation using ADLINK’s diagnostic utilities (e.g., 7296UTIL.EXE).

Jumper Configuration:
- JA1–JC4: Define power-on state (input pulled high/low/floating) for each port.
- JP1–JP4: Configure +12V pins on OPTO-22 connectors as power or ground.

Safety Precautions:
- Use anti-static wrist straps during handling.
- Do not exceed 0.5 A current draw per power output.
- Ensure proper grounding when connecting external devices.

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### 7. Performance & Capabilities

Digital I/O Performance:
- 96 independent TTL/DTL-compatible channels
- Buffered I/O for high drive capability
- Output read-back supported

Timer/Counter:
- One 8254 chip with three counters
- Modes 0–5 supported (Interrupt on Terminal Count, One-Shot, Rate Generator, etc.)
- Cascaded 32-bit timer for long-duration timing (0.000466 Hz to 500 kHz range)
- Event counter input via P1C4 pin

Interrupt System:
- Dual interrupt channels (INT1, INT2)
- Programmable sources: digital input edges, event counter, or timer output
- Configurable trigger edges (rising/falling)
- Interrupt Source Control (ISC) register at offset 0x20

Throughput:
- Maximum data transfer rate: 500 KB/s
- PCIe bus ensures low-latency communication

Limitations:
- No analog I/O capability (digital-only card)
- External isolation requires OPTO-22 modules
- Power output limited to 0.5 A per voltage rail

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### 8. Standards & Compliance

- Bus Interface: PCI Express Base Specification Revision 1.0a compliant
- Electrical Standards: TTL/DTL logic compatible
- Environmental:
- Operating: 0°C–60°C
- Storage: –20°C–80°C
- Humidity: 5–95% non-condensing
- Safety & Protection:
- Resettable fuses on +5V and +12V outputs
- ESD-protected I/O lines
- Regulatory Compliance:
- CE and FCC Class A (industrial environment)
- RoHS compliant manufacturing

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### 9. Additional Information

Software & Driver Support:
- PCIS-DASK: Windows 2000/XP/Vista/7/10 driver and DLL library
- PCIS-DASK/X: Linux shared library and driver
- PCIS-LVIEW: LabVIEW™ driver VIs
- PCIS-VEE: Agilent VEE™ user objects
- DAQBench™: ActiveX control library for VB/VC++
- MATLAB® & DASYLab™: Supported via ADLINK integration packages

Programming Interfaces:
- C/C++ libraries for DOS and Windows
- Visual Basic and Delphi DLL interfaces
- Function set includes:
- `_7296_Initial()`, `_7296_DI()`, `_7296_DO()`
- `_7296_Config_Port()`, `_7296_Config_Channel()`
- `_7296_Set_INT_Control()`, `_7296_Timer_Start()`
- `_7296_Get_IRQ_Status()`, `_7296_CLR_IRQ()`
- `_7296_Software_Reset()`

Maintenance & Support:
- Warranty: Two-year limited warranty from date of shipment
- Service: Repair or replacement for manufacturing defects
- Support Channels:
- Email: service@adlinktech.com
- Online resources: manuals, drivers, and updates at [www.adlinktech.com](http://www.adlinktech.com)

Recommended Maintenance:
- Periodic inspection of connectors and cables
- Ensure adequate ventilation and dust-free environment
- Firmware and driver updates via ADLINK support portal

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### Summary

The ADLINK PCIe-7296 is a high-performance, 96-channel digital I/O card designed for industrial automation, control, and data acquisition applications. It offers full compatibility with OPTO-22 modules, robust interrupt and timer capabilities, and comprehensive software support across multiple operating systems. With its PCI Express x1 interface, buffered I/O design, and dual interrupt architecture, the PCIe-7296 delivers reliable, high-speed digital control suitable for demanding industrial environments.

Its modular design, extensive driver library, and adherence to industry standards make it a versatile solution for system integrators and engineers requiring scalable, programmable digital I/O functionality.