Comprehensive Product Summary: ADLINK PCI-7234P Isolated Digital Output Card

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### 1. Product Overview

Product Name: PCI-7234P
Model: PCI-7234P
Series: PCI-723X Series (Isolated Digital I/O Cards)
Article Number: PCI-7234P
Manufacturer: ADLINK Technology Inc.
Website: [www.adlinktech.com](http://www.adlinktech.com)

The ADLINK PCI-7234P is a 32-channel isolated digital output (DO) card designed for industrial automation, control, and data acquisition applications. It belongs to ADLINK’s PCI-723X family, which includes models for both digital input (DI) and digital output (DO) configurations. The PCI-7234P specifically provides 32 isolated digital output channels with source current capability, making it ideal for driving external devices that require sourcing rather than sinking current. It supports a standard 32-bit, 5 V PCI bus interface and offers robust optical isolation to protect host systems from high-voltage transients and ground loops.

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### 2. Key Features

- 32 Isolated Digital Output Channels:
Provides 32 independent, optically isolated digital output channels using Darlington transistor drivers.

- Source Current Output Type:
The PCI-7234P is a PNP-type output card capable of sourcing current up to 500 mA per channel at 100% duty cycle, or 260 mA for all channels at 10% duty cycle.

- High Isolation Voltage:
Offers 2500 V RMS optical isolation between channels and the host system, ensuring protection against electrical surges and noise.

- Wide Output Voltage Range:
Supports output voltages from 5 V to 35 V DC, suitable for driving relays, solenoids, lamps, and other industrial actuators.

- Standard PCI Interface:
Fully compliant with the 32-bit, 5 V PCI bus specification (Rev. 2.1), ensuring compatibility with a wide range of industrial PCs.

- Compact Form Factor:
PCB dimensions of 175 mm (L) × 107 mm (H), designed for standard PCI slots.

- High Output Drive Capability:
Each channel can handle up to 500 mA continuous current, enabling direct control of high-current loads.

- Optical Isolation Protection:
Prevents ground loops and protects the host system from high-voltage spikes.

- Software and OS Support:
Compatible with Windows 7/Vista/XP/2000/2003 Server and Linux. Supported by ADLINK’s DAQPilot, PCIS-DASK, and DAQBench software suites, as well as third-party environments such as LabVIEW™ and MATLAB®.

- Connector Type:
Equipped with a 37-pin D-sub female connector for easy integration with external terminal boards and cables.

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### 3. Technical Specifications

Digital Output (Isolated DO):
- Number of Channels: 32
- Output Type: Darlington transistor, PNP (source current)
- Output Voltage Range: 5 V DC (min) to 35 V DC (max)
- Source Current Capacity:
- 500 mA for one channel @ 100% duty cycle
- 260 mA for all channels @ 10% duty cycle
- Isolation Voltage: 2500 V RMS
- Throughput Rate: 10 kHz
- Power Dissipation: Max. 1.47 W per chip (8 DO channels)
- Data Transfer Method: Programmed I/O

Electrical Characteristics:
- Supply Voltage: +5 V DC (typical)
- Power Consumption: +5 V @ 180 mA (typical, with internal DC-DC power)
- External Power Supply (VDD): 5–35 V DC for output drive

Physical Characteristics:
- Dimensions: 175 mm (L) × 107 mm (H)
- Connector: 37-pin D-sub female
- Weight: Approx. 200 g (typical, without accessories)
- PCB Type: Standard PCI form factor

Environmental Conditions:
- Operating Temperature: 0°C to 60°C
- Storage Temperature: -20°C to 80°C
- Relative Humidity: 5% to 95%, non-condensing

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### 4. Functionality

The PCI-7234P functions as a 32-channel isolated digital output interface between a host PC and external devices. Each output channel is optically isolated from the system to prevent electrical interference and protect the PC from voltage surges. The card uses Darlington transistor arrays configured for source current output, meaning each channel provides current to the load when activated.

Typical Use Cases:
- Industrial automation and process control
- Relay and solenoid actuation
- Lamp and indicator control
- Motor and valve control
- PLC interfacing and signal simulation
- Test and measurement systems requiring isolated digital outputs

Compatibility:
- Compatible with standard PCI slots (32-bit, 5 V signaling).
- Works with ADLINK’s terminal boards (DIN-37D-01, ACLD-9137-01) and cables (ACL-10137-1MM).
- Supported by ADLINK’s software drivers for Windows and Linux, as well as integration with LabVIEW™ and MATLAB® environments.

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### 5. Components & Accessories

Included Items:
- PCI-7234P card
- User’s manual
- ADLINK software CD (includes drivers and utilities)
- Software installation guide

Optional Accessories:
- DIN-37D-01: Terminal board with one 37-pin D-sub connector and DIN-rail mounting.
- ACLD-9137-01: General-purpose terminal board with one 37-pin D-sub male connector.
- ACL-10137-1MM: 37-pin D-sub male/male cable, 1 meter length.

Connectors:
- I/O Connector: 37-pin D-sub female
- Onboard Terminals:
- CN2/CN3 for VDD and isolated ground (I.GND) connections.
- External VDD required for sourcing current to output loads.

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### 6. Installation & Setup

System Requirements:
- PC with an available 32-bit, 5 V PCI slot
- Operating system: Windows 7/Vista/XP/2000/2003 Server or Linux
- External DC power supply (5–35 V DC) for output drive

Installation Procedure:
1. Power off the PC and disconnect all peripherals.
2. Insert the PCI-7234P into an available PCI slot.
3. Secure the card using the chassis screw.
4. Connect external devices via the 37-pin D-sub connector.
5. Supply external VDD (5–35 V DC) to the output power terminal.
6. Power on the system; the OS will automatically detect the card via Plug and Play.
7. Install ADLINK’s driver package (DAQPilot or PCIS-DASK).
8. Verify installation using ADLINK’s DAQMaster or DAQBench utilities.

Mounting Options:
- Standard PCI slot mounting inside desktop or industrial PC chassis.
- External wiring via terminal boards for DIN-rail or panel installations.

Configuration:
- Fully Plug and Play compliant; no manual jumper or DIP switch settings required.
- Base address and interrupt assignments are automatically managed by the system BIOS.

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### 7. Performance & Capabilities

Electrical Performance:
- Output Drive: Up to 500 mA per channel (source current)
- Voltage Range: 5–35 V DC
- Isolation: 2500 V RMS optical isolation
- Switching Speed: 10 kHz throughput rate

Efficiency and Reliability:
- High isolation ensures minimal signal interference and maximum protection.
- Darlington transistor design provides strong current drive with low power dissipation.
- Internal DC-DC converter ensures stable operation across varying load conditions.

Limitations:
- Requires external DC power for output drive (VDD).
- Not suitable for AC load control without additional interface circuitry.
- 8-bit or 16-bit I/O access not supported; only 32-bit I/O operations are valid.

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### 8. Standards & Compliance

Bus Interface Standards:
- PCI Local Bus Specification Rev. 2.1 (32-bit, 5 V signaling)

Form Factor:
- Standard PCI card (175 mm × 107 mm)

Isolation & Safety:
- Optical isolation: 2500 V RMS
- Designed to prevent ground loops and protect host systems from high-voltage transients

Environmental Compliance:
- Operating temperature: 0°C to 60°C
- Storage temperature: -20°C to 80°C
- Humidity: 5–95%, non-condensing

Industry Standards:
- Compatible with ADLINK’s NuDAQ and NuIPC product lines
- Supports PICMG 2.0 R2.1 (for related CompactPCI models)

Regulatory Compliance:
- CE and FCC compliant (typical for ADLINK PCI series)
- RoHS-compliant manufacturing

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### 9. Additional Information

Warranty & Support:
- Standard ADLINK limited warranty (typically 2 years; refer to manufacturer’s policy).
- Technical support available via email: Service@adlinktech.com
- Telephone: +886-2-82265877
- Fax: +886-2-82265717
- Address: 9F, No. 166, Jian Yi Road, Chungho City, Taipei 235, Taiwan

Maintenance:
- Keep the card free of dust and moisture.
- Avoid exposure to static electricity; use anti-static wristbands during handling.
- Ensure proper grounding and external power supply connections.

Software & Driver Updates:
- DAQPilot: Unified driver and SDK for all ADLINK DAQ products.
- PCIS-DASK: Legacy driver for Windows systems.
- PCIS-DASK/X: Linux driver package.
- DAQBench: ActiveX control suite for SCADA/HMI applications.
- DAQ-MTLB: MATLAB® Data Acquisition Toolbox adapter.
- DAQ-LVIEW PnP: LabVIEW™ VI set for ADLINK DAQ cards.

Recommended Development Environments:
- VB.NET, VC.NET, C#, Delphi, Borland C++ Builder
- MATLAB® and LabVIEW™ integration supported

Software Utilities:
- DAQMaster: Configuration-based device manager for ADLINK DAQ cards.
- DAQCreator: Data acquisition and logging software with FFT analysis and stream-to-disk capability.

Documentation:
- User’s Manual: “PCI-/cPCI-/LPCI-/LPCIe-723X Series 32-CH Isolated Digital I/O Card”
- Manual Revision: 4.05
- Revision Date: June 24, 2008
- Part Number: 50-11037-1000

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### Summary

The ADLINK PCI-7234P is a high-performance, 32-channel isolated digital output card engineered for industrial control and automation systems requiring reliable, high-current sourcing outputs. With its 2500 V RMS optical isolation, 500 mA per-channel drive capability, and wide 5–35 V output range, it provides robust interfacing between PCs and external actuators such as relays, solenoids, and lamps. The card’s Plug and Play PCI interface, comprehensive software support, and industrial-grade design make it a versatile solution for system integrators and engineers seeking dependable digital output control in demanding environments.

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Keywords for Technical Search:
PCI-7234P, ADLINK, isolated digital output card, 32-channel DO, PNP source current, 500 mA output, 2500 V isolation, 5–35 V DC, industrial automation, PCI bus, digital I/O, DAQ card, LabVIEW, MATLAB, DAQPilot, PCIS-DASK, DIN-37D-01, ACLD-9137-01, ACL-10137-1MM.