Allen Bradley 1784-PKTX PCI Network Interface Card

Product Introduction

The Allen-Bradley 1784-PKTX PCI Network Interface Card is a high-performance communication interface designed for desktop computers requiring direct integration with industrial control networks. It provides a stable and efficient solution for connecting engineering workstations to Allen-Bradley PLC systems.

Unlike portable PCMCIA-based solutions, the 1784-PKTX is installed directly into a PCI slot, making it suitable for fixed industrial PCs and engineering stations. It supports multiple legacy communication protocols, including DH+, DH-485, and Remote I/O, ensuring compatibility with a wide range of existing automation infrastructures.

The card features dual communication channels, allowing flexible network configuration. Channel 1A supports DH+ and Remote I/O via a 3-pin Phoenix connector, while Channel 1C supports DH-485 via a 6-pin Phoenix connector. Each channel is equipped with a dedicated status LED for diagnostics and troubleshooting.

With support for up to four modules per system and reliable PCI bus communication, the 1784-PKTX remains a practical solution for maintaining and expanding legacy industrial networks.

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Product Specifications

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Applications

● Fixed engineering workstation integration
Used in industrial PCs to provide direct and stable communication with PLC networks in control rooms.

● Legacy network maintenance
Supports DH+, DH-485, and Remote I/O, making it ideal for maintaining older automation systems.

● System diagnostics and troubleshooting
Enables engineers to monitor communication status and identify issues within industrial networks.

● PLC programming and configuration
Provides reliable connectivity for uploading, downloading, and modifying control programs.

● Industrial network expansion
Allows additional communication channels to be added to existing systems using multiple cards.

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Advantages

● Dual-channel communication design
Supports simultaneous configuration of DH+/RIO and DH-485, improving flexibility.

● High compatibility with legacy systems
Ensures continued operation of older Allen-Bradley network architectures.

● Reliable PCI-based performance
Direct PCI interface provides stable and high-speed communication compared to external adapters.

● Scalable system configuration
Supports up to four modules per system, allowing expansion of communication capacity.

● Integrated diagnostics
Each channel includes a status LED, simplifying troubleshooting and system monitoring.

● Flexible driver support
Compatible with RSLinx PKTx driver and specialized RIO drivers for different applications.

FAQ

1. How are the two communication channels configured on the card?
   Channel configuration is handled through both hardware jumper settings and software driver configuration, allowing users to assign protocols such as DH+, DH-485, or RIO as required.
2. Can both channels operate independently at the same time?
   Yes, each channel functions independently, enabling simultaneous communication with different networks if properly configured.
3. What is the role of the jumper settings on the card?
   Jumpers are used to define hardware-level settings, including module addressing and system configuration limits when multiple cards are installed.
4. How does the card integrate with RSLinx software?
   RSLinx provides the communication driver layer, allowing the card to interface with PLCs and other devices through configured network drivers.
5. What happens if multiple cards are installed in one system?
   Each card must be uniquely configured using jumper settings to avoid conflicts, and the system can support up to four cards.
6. How are Remote I/O communications handled?
   Remote I/O communication is enabled through the 6001-RIO driver, which manages data exchange between the PC and remote racks.
7. What is the function of the diagnostic LEDs?
   Each LED provides real-time status indication for its respective channel, helping identify communication activity or faults.
8. Is the card compatible with modern operating systems?
   Native support is limited to Windows 95 and NT; using newer systems typically requires custom drivers or legacy system environments.
9. How is communication stability ensured in industrial environments?
   The PCI interface provides stable electrical performance, while protocol-level error handling ensures reliable data transmission.
10. Can the card be used for continuous monitoring applications?
    Yes, it supports continuous communication, making it suitable for real-time monitoring and data acquisition tasks.

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