Comprehensive Product Summary: ADLINK PCIe-7432 Isolated Digital I/O Card

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### 1. Product Overview

Product Name: PCIe-7432
Model: PCIe-7432
Series: 743X Series (NuDAQ / NuIPC)
Article Number: PCIe-7432
Manufacturer: ADLINK Technology Inc.
Manufacturer Website: [www.adlinktech.com](http://www.adlinktech.com)

The ADLINK PCIe-7432 is a high-density isolated digital input/output (DIO) interface card designed for industrial and laboratory automation applications. It belongs to ADLINK’s 743X series of isolated digital I/O boards, which also includes PCI, CompactPCI (cPCI), and PCI Express (PCIe) variants. The PCIe-7432 provides 32 isolated digital input channels and 32 isolated digital output channels, offering robust electrical isolation and high current drive capability for demanding control and monitoring environments.

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### 2. Key Features

- Bus Interface: PCI Express x1 interface compliant with PCI Express Base Specification.
- Channel Configuration: 32 isolated digital input (DI) channels and 32 isolated digital output (DO) channels.
- Isolation Protection: 2500 VRMS optical isolation (tested up to 4500 VRMS).
- Input Voltage Range: 0–24 V DC, non-polarity input design.
- Output Drive Capability: Sink current up to 500 mA per channel at 24 V DC.
- Output Type: Open collector Darlington transistor outputs.
- Connector Type: 100-pin SCSI-II female connector for high-density I/O connectivity.
- Interrupt Support: Two external interrupt sources (channels 0 and 1).
- Software Support: Compatible with Windows 7/8.1 (x86/x64) and Linux; supports LabVIEW®, MATLAB®, C/C++, Visual Basic, and Visual Studio .NET.
- Utility Software: AD-Logger for data acquisition and monitoring.
- Form Factor: PCI Express half-length card (175 mm x 107 mm).
- Opto-22 Compatibility: Compatible with Opto-22 standard I/O modules and terminal boards.
- High Reliability: Designed for industrial environments with wide operating temperature range and high isolation voltage.

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### 3. Technical Specifications

Physical Dimensions:
- 175 mm (L) × 107 mm (H) (6.82" × 4.17")

Weight:
- Approx. 200 g (typical, without accessories)

Connector:
- 100-pin SCSI-II female connector (AMP-787082-9 compatible)

Power Requirements:
- +5 V @ 530 mA typical
- +3.3 V @ 36.6 mA typical
- +12 V @ 150 mA typical

Operating Environment:
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -20°C to 80°C (-4°F to 176°F)
- Relative Humidity: 5% to 95%, non-condensing

Isolation Voltage:
- 2500 VRMS (standard)
- 4500 VRMS (tested isolation report available)

Materials:
- Multi-layer PCB with industrial-grade components
- Gold-plated edge connector for PCIe interface

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### 4. Functionality

The PCIe-7432 provides isolated digital input and output channels for interfacing with external devices such as sensors, relays, actuators, and industrial control systems. Each input channel is optically isolated to protect the host computer from voltage transients and ground loops. The outputs use open-collector Darlington transistors capable of sinking up to 500 mA per channel, suitable for driving relays, solenoids, and indicator lamps.

Use Cases and Applications:
- Industrial automation and process control
- Machine and equipment monitoring
- Laboratory instrumentation
- Event and frequency counting
- Digital signal control and status monitoring
- Relay and solenoid actuation
- PLC and SCADA system integration

Compatibility:
- Compatible with Opto-22 standard terminal boards and accessories.
- Supported by ADLINK’s software development kits (SDKs) for multiple programming environments.
- Works with Windows and Linux operating systems.

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### 5. Components & Accessories

Included Items:
- PCIe-7432 card
- ADLINK software CD (drivers, SDKs, utilities)
- User’s Manual and Software Installation Guide

Optional Accessories:
- DIN-100S-01: Terminal board with one 100-pin SCSI-II connector and DIN-rail mounting.
- ACL-102100-1: 100-pin SCSI-II cable (1 meter, mating with AMP-787082-9).
- ACL-10252-1: 100-pin to dual 50-pin cable (1 meter) for legacy DIN-502S replacement.

Connectors:
- 100-pin SCSI-II female connector for I/O interface.
- Supports connection to external terminal boards for field wiring.

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### 6. Installation & Setup

System Requirements:
- Available PCI Express x1 slot (compatible with x4/x8/x16 slots).
- Supported OS: Windows 7/8.1 (x86/x64), Linux.
- Minimum system memory: 512 MB.
- Administrative privileges for driver installation.

Installation Procedure:
1. Power off the host computer and disconnect all peripherals.
2. Insert the PCIe-7432 card into an available PCIe slot.
3. Secure the card with the chassis screw.
4. Reconnect power and boot the system.
5. The operating system will automatically detect the card via Plug and Play.
6. Install the ADLINK driver and SDK from the provided CD or website.
7. Verify installation using AD-Logger or sample programs.

Mounting Options:
- Standard PCIe slot mounting with rear bracket.
- External I/O connections via 100-pin SCSI-II cable to terminal board.

Configuration:
- No manual jumper settings required (Plug and Play).
- Interrupt channels configurable via software.
- Input/output mapping accessible through ADLINK SDK functions.

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### 7. Performance & Capabilities

Digital Input:
- Channels: 32 isolated inputs
- Input Voltage Range: 5–24 V DC (non-polarity)
- Input High Voltage: 5–24 V
- Input Low Voltage: 0–1.3 V
- Input Resistance: 2.4 kΩ @ 0.5 W
- Isolation Voltage: 2500 VRMS
- Interrupt Sources: Channels 0 and 1
- Data Transfer: Programmed I/O
- Throughput: 10 kHz (0.1 ms response time)

Digital Output:
- Channels: 32 isolated outputs
- Output Type: Open collector Darlington transistor
- Sink Current:
- Single channel ON: 500 mA @ 24 V
- All channels ON: 120 mA @ 24 V
- Supply Voltage: 5–35 V DC
- Power Dissipation: Max. 2.25 W per chip (8 channels)
- Isolation Voltage: 2500 VRMS
- Data Transfer: Programmed I/O

Performance Highlights:
- High current drive capability for inductive loads.
- Fast response suitable for real-time control.
- Optical isolation ensures reliable operation in noisy environments.
- Dual interrupt capability for event-driven applications.

Limitations:
- No analog I/O capability (digital only).
- Requires external power supply for output loads.
- Limited to 24 V input range (standard model; HIR version supports up to 50 V).

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### 8. Standards & Compliance

Electrical and Mechanical Standards:
- PCI Express Base Specification compliant.
- Opto-22 compatible pinout and electrical characteristics.
- 3U Eurocard mechanical form factor (for cPCI variants).

Environmental and Safety Compliance:
- CE certified for electromagnetic compatibility.
- RoHS compliant (lead-free manufacturing).
- Isolation tested to 2500 VRMS (standard) / 4500 VRMS (with report).

Software and Driver Standards:
- Supports ADLINK’s PCIS-DASK driver library.
- Compatible with LabVIEW®, MATLAB®, HP VEE, DASYLab™, InTouch™, InControl™, ISaGRAF™, and OPC Server environments.
- ActiveX and DLL interfaces for Windows development.
- Linux driver support for open-source integration.

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### 9. Additional Information

Warranty:
- Standard 2-year limited warranty from ADLINK Technology Inc.
- Covers defects in materials and workmanship.
- Excludes damage from misuse, improper installation, or environmental factors.
- RMA (Return Material Authorization) required for service.

Support & Maintenance:
- Technical support via email: service@adlinktech.com
- Product-specific support:
- NuDAQ: nudaq@adlinktech.com
- Automation: automation@adlinktech.com
- NuIPC: nuipc@adlinktech.com
- Telephone: +886-2-82265877
- Fax: +886-2-82265717
- Address: 9F, No. 166, Jian Yi Road, Chungho City, Taipei 235, Taiwan

Maintenance Recommendations:
- Handle the card using anti-static precautions.
- Avoid exposure to high humidity or corrosive environments.
- Ensure proper grounding of external devices to maintain isolation integrity.
- Periodically inspect connectors and cables for wear or damage.

Software Updates:
- Driver and SDK updates available from ADLINK’s website.
- Backward compatibility maintained across Windows and Linux versions.
- Regular firmware and driver improvements for performance and stability.

Documentation & Resources:
- User’s Manual (Rev. 3.34, October 22, 2002)
- Software Installation Guide
- PCIS-DASK Function Reference Manual
- LabVIEW and MATLAB driver documentation

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### Summary

The ADLINK PCIe-7432 is a robust, high-performance isolated digital I/O card engineered for industrial automation, data acquisition, and control applications. With 32 isolated digital inputs and 32 isolated digital outputs, it provides reliable interfacing between computers and external devices in electrically noisy environments. Its 2500 VRMS optical isolation, high current drive capability (up to 500 mA per channel), and wide input voltage range (0–24 V) make it ideal for controlling relays, solenoids, and sensors.

The card’s PCI Express x1 interface ensures high-speed data transfer and easy integration into modern PC-based systems. Supported by comprehensive software tools and drivers for Windows and Linux, the PCIe-7432 offers flexibility for developers using LabVIEW, MATLAB, C/C++, and other programming environments. Optional terminal boards and cables simplify field wiring and system integration.

With industrial-grade reliability, extensive software support, and ADLINK’s two-year warranty, the PCIe-7432 stands as a dependable solution for digital control and monitoring in automation, manufacturing, and laboratory environments.