The Allen-Bradley 1784-PKTXD is a dual-channel PCI communication interface card designed for industrial personal computers and workstations. Featuring two independent communication ports, the 1784-PKTXD enables high-speed data exchange between PC-based automation software—such as RSLinx, FactoryTalk, and RSView—and Allen-Bradley PLC-5, SLC 500, or ControlLogix systems operating over Data Highway Plus (DH+), DH-485, or Remote I/O (RIO) networks.
Technical Details
- Model / Part Number: 1784-PKTXD
- Manufacturer / Brand: Allen-Bradley / Rockwell Automation
- Product Line: 1784 Communication Interfaces
- Module Type: Dual-Channel PCI Bus Communication Card
- Bus Interface: Standard PCI Universal Card Slot (3.3V / 5V PCI)
- Number of Channels: 2 Independent Communication Channels (Channel A & Channel B)
- Supported Protocols: Data Highway Plus (DH+), DH-485, Universal Remote I/O (RIO)
- Connector Type: Mini-DIN 8-Pin Connectors (compatible with 1784-CP7 / 1784-PCM6 cables)
- Data Rates: 57.6 kbps, 115.2 kbps, 230.4 kbps (DH+)
- Power Requirements: Powered via PCI Backplane (5 VDC @ 1.2 A Max)
- Operating Temperature: 0°C to 50°C (32°F to 122°F)
- Storage Temperature: -40°C to 85°C (-40°F to 185°F)
- Lifecycle Status: Discontinued / Obsolete by OEM
- Shipping Weight & Dimensions: 1.5 lbs | 10 x 7 x 2 Inches
- Alternate Part Numbers: 1784-PKTXD, 1784PKTXD, 1784-PKTXD/A, SER A, SER B
Key Features
- Dual-Channel Flexibility: Provides two distinct channels capable of running independent network protocols simultaneously (e.g., DH+ on Channel A and DH-485/RIO on Channel B).
- High-Speed PCI Interface: Direct PCI bus connectivity delivers low latency and fast data throughput compared to serial interface devices.
- Multi-Protocol Network Access: Connects industrial PCs directly to legacy DH+, DH-485, or Remote I/O networks without external protocol converters.
- RSLinx & FactoryTalk Compatibility: Fully supported by Rockwell Automation drivers for programming, SCADA monitoring, and data collection.
- Onboard Status LEDs: Channel-specific visual status indicators for rapid network troubleshooting and link diagnostics.
Applications
- Industrial PC communication links to legacy PLC-5, SLC 5/04, and ControlLogix DH+ networks.
- SCADA, HMI, and data acquisition workstations requiring concurrent dual-network connections.
- Direct replacement and spare part maintenance for obsolete PC-based Allen-Bradley interface hardware.
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