Comprehensive Product Summary – ADLINK cPCI‑7434P Isolated 64‑Channel Digital Output Card

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### 1. Product Overview

Product Name: cPCI‑7434P
Model: cPCI‑7434P
Series: 743X Series (NuDAQ / NuIPC Isolated Digital I/O Family)
Article Number: cPCI‑7434P
Manufacturer: ADLINK Technology Inc.
Product Type: CompactPCI Isolated Digital Output Card (64‑Channel, Source Current Type)
Website: [www.adlinktech.com](http://www.adlinktech.com)

The ADLINK cPCI‑7434P is a high‑density, 64‑channel isolated digital output (DO) card designed for industrial and laboratory automation systems requiring reliable, high‑voltage isolation and robust current sourcing capability. It belongs to ADLINK’s 743X series of isolated digital I/O boards, which are available in PCI, PCIe, and CompactPCI (cPCI) form factors. The cPCI‑7434P specifically provides 64 isolated digital output channels with source current transistor configuration, optimized for applications that require sourcing up to 500 mA per channel at 24 V DC.

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### 2. Key Features

- 64 Isolated Digital Output Channels: Provides 64 independent, optically isolated digital output channels for high‑density control applications.
- Source Current Output Type: Uses transistor source configuration (TD62783 devices) for sourcing current to external loads.
- High Isolation Voltage: 5000 V RMS channel‑to‑system isolation ensures protection against high‑voltage transients and ground loops.
- High Output Drive Capability: Each channel can source up to 500 mA at 24 V DC; all channels ON simultaneously can source 260 mA per channel.
- Wide Output Voltage Range: Supports 5 V DC minimum to 35 V DC maximum output voltage.
- CompactPCI 3U Eurocard Form Factor: Fully compliant with PICMG 2.0 R2.1 CompactPCI specification.
- Rugged 100‑Pin SCSI‑II Connector: Provides a single, high‑density interface for all I/O channels.
- Optical Isolation: Protects host systems from voltage surges and eliminates ground loop interference.
- Software Support: Compatible with Windows 7/8.1 (x86/x64) and Linux; drivers and SDKs available for LabVIEW®, MATLAB®, C/C++, Visual Basic, and Visual Studio .NET.
- Utility Software: Includes AD‑Logger for data monitoring and testing.
- High Reliability: Designed for industrial environments with operating temperature range 0 °C – 60 °C and humidity up to 95 % non‑condensing.
- Comprehensive SDK: Supports PCIS‑DASK, LabVIEW, HP‑VEE, DAQBench ActiveX, ISaGRAF, InControl, and OPC Server integration.

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### 3. Technical Specifications

Form Factor: 3U CompactPCI (PICMG 2.0 R2.1 compliant)
Dimensions: 160 mm × 100 mm (6.24 in × 3.9 in)
Weight: Approx. 200 g (board only, excluding accessories)
Connector Type: 100‑pin SCSI‑II female connector
Isolation Voltage: 5000 V RMS (channel‑to‑system)
Operating Temperature: 0 °C – 60 °C (32 °F – 140 °F)
Storage Temperature: −20 °C – 80 °C (−4 °F – 176 °F)
Relative Humidity: 5 % – 95 %, non‑condensing
Power Requirements:
- +5 V @ 560 mA typical
- +3.3 V @ 36.6 mA typical
- +12 V @ 150 mA typical
Power Dissipation: Max. 1.47 W per chip (8 DO channels)
Output Device: TD62783 transistor array (common power configuration)
Output Voltage Range: 5 V DC (min) – 35 V DC (max)
Source Current Capability:
- Single channel ON: 500 mA @ 24 V
- All channels ON: 260 mA @ 24 V
Throughput: 10 kHz (0.1 ms switching rate)
On‑board Isolated +5 V Output Power: 150 mA
Isolation Type: Optical isolation between channels and system bus
Bus Interface: 32‑bit, 5 V CompactPCI bus
Compliance: CE, RoHS, and PICMG 2.0 R2.1 standards

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### 4. Functionality

The cPCI‑7434P provides 64 optically isolated digital output channels implemented through Darlington transistor arrays configured for source current operation. Each channel can independently drive external loads such as relays, solenoids, lamps, or actuators. The board isolates the control system from field wiring, protecting the host computer from high‑voltage transients and electrical noise.

Operation Principle:
When a digital output channel is set to “ON,” the transistor sources current from the external power supply (5 – 35 V DC) through the load. When “OFF,” the transistor is open, and no current flows. The isolation barrier ensures that any voltage spikes or ground potential differences on the field side do not affect the CompactPCI backplane or host system.

Typical Use Cases:
- Industrial automation and process control
- Machine control and robotics
- Relay and solenoid actuation
- Signal switching and sequencing
- Test and measurement systems
- Data acquisition and control in harsh electrical environments

Compatibility:
The cPCI‑7434P is compatible with ADLINK’s software ecosystem and can be integrated into systems using LabVIEW®, MATLAB®, C/C++, Visual Basic, or .NET environments. It supports both Windows and Linux operating systems.

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### 5. Components & Accessories

Included Items:
- cPCI‑7434P board
- 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 (cables not included).
- ACL‑102100‑1: 100‑pin SCSI‑II cable (1 m, mating with AMP‑787082‑9).
- Legacy Replacement: DIN‑502S can be replaced by two DIN‑50S‑01 terminal boards and one ACL‑10252‑1 (100‑pin to dual 50‑pin cable, 1 m).

Connectors:
- 100‑pin SCSI‑II female connector (CN1) for all I/O channels.
- Each group of eight output channels shares a common VDD and ground return (IGND).

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### 6. Installation & Setup

System Requirements:
- CompactPCI chassis with available 3U I/O slot (32‑bit, 5 V signaling)
- Host system running Windows 7/8.1 (x86/x64) or Linux
- ADLINK PCIS‑DASK or equivalent driver package installed

Installation Procedure:
1. Power off the CompactPCI system and all connected peripherals.
2. Insert the cPCI‑7434P into an available CompactPCI slot.
3. Secure the card using the front‑panel screws.
4. Connect the 100‑pin SCSI‑II cable to CN1 and route to the terminal board or field wiring.
5. Power on the system; the Plug‑and‑Play BIOS will automatically assign resources.
6. Install the ADLINK driver and verify device recognition using AD‑Logger or the provided test utilities.

Configuration Notes:
- No manual address or interrupt configuration is required (PnP compliant).
- Ensure proper grounding and shielding for field wiring to maintain isolation integrity.
- For inductive loads (relays, motors), connect the VDD pin to an external power source and use fly‑wheel diodes to suppress back‑EMF.

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### 7. Performance & Capabilities

Output Performance:
- Source Current: Up to 500 mA per channel (single ON), 260 mA per channel (all ON).
- Output Voltage: 5 – 35 V DC.
- Switching Speed: 10 kHz typical (0.1 ms response).
- Power Dissipation: 1.47 W per 8‑channel group.
- Isolation: 5000 V RMS channel‑to‑system.

Electrical Protection:
- Optical isolation prevents ground loops and voltage surges.
- Over‑current and transient suppression built into transistor arrays.
- Designed for high‑noise industrial environments.

Limitations:
- Output channels are write‑only; no readback of output state.
- Total current limited by power dissipation per device group.
- Requires external DC power supply for load driving (5 – 35 V).

Reliability:
- MTBF optimized through industrial‑grade components and thermal design.
- Operating temperature range supports continuous operation in control cabinets.

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### 8. Standards & Compliance

- CompactPCI Compliance: PICMG 2.0 R2.1 (3U Eurocard form factor)
- Electrical Isolation: 5000 V RMS (channel‑to‑system)
- Bus Interface: 32‑bit, 5 V CompactPCI signaling
- Environmental:
- Operating: 0 °C – 60 °C
- Storage: −20 °C – 80 °C
- Humidity: 5 % – 95 %, non‑condensing
- Safety & EMC: Designed to meet CE and FCC Class A industrial standards
- RoHS Compliance: Lead‑free manufacturing process
- Software Standards: Supports OPC, ActiveX, and IEC 1131‑3 (ISaGRAF) integration

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### 9. Additional Information

Warranty:
- Standard 2‑year limited warranty from date of shipment.
- Covers defects in materials and workmanship under normal use.
- Excludes damage from misuse, improper installation, or environmental factors.

Support & Maintenance:
- Technical support via email: service@adlinktech.com, automation@adlinktech.com
- Regional service centers and authorized distributors provide RMA and repair services.
- RMA forms available at [www.adlinktech.com](http://www.adlinktech.com).

Software & Updates:
- Drivers and SDKs provided on ADLINK CD and online.
- PCIS‑DASK library supports Windows 98/NT/2000/7/8.1 and Linux.
- LabVIEW®, HP‑VEE, DAQBench™, ISaGRAF™, InControl™, and OPC Server drivers available.
- Regular firmware and driver updates downloadable from ADLINK’s website.

Maintenance Recommendations:
- Handle the board using anti‑static precautions.
- Avoid exposure to high humidity or corrosive environments.
- Periodically inspect connectors and cables for wear or oxidation.

Manufacturer Contact:
ADLINK Technology Inc.
9F, No. 166, Jian Yi Road, Zhonghe District, New Taipei City 235, Taiwan
Tel: +886‑2‑8226‑5877 Fax: +886‑2‑8226‑5717
Email: service@adlinktech.com Web: [www.adlinktech.com](http://www.adlinktech.com)

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### Summary

The ADLINK cPCI‑7434P is a robust, high‑density 64‑channel isolated digital output card engineered for demanding industrial automation and control applications. Its source current transistor configuration, 5000 V RMS isolation, and CompactPCI 3U form factor make it ideal for systems requiring reliable, high‑current digital control with electrical isolation. With comprehensive software support, wide voltage range, and proven ADLINK reliability, the cPCI‑7434P integrates seamlessly into modern automation, test, and measurement platforms.