Allen Bradley PLC-5 Series 1784-PKTX/A PCI Communication Interface Card

Product Description

The Allen Bradley PLC-5 Series 1784-PKTX/A is a PCI bus communication card designed to provide connectivity between industrial controllers and legacy networks. Supporting Data Highway Plus (DH+), Remote I/O (RIO), and DH-485 protocols, this module enables seamless integration with PLC-5 and SLC processors. With diagnostic LEDs, conformal coating, and compliance with PCI 2.3 standards, it ensures reliable performance in industrial computing environments.

Technical Specifications

• Manufacturer: Allen Bradley

• Product Line: PLC-5

• Catalog Number / Model: 1784-PKTX/A

• Category: PLC Communication Interface

• Weight: 0.56 lbs (0.26 kg)

• Module Type: PCI Bus Communication Card

• Communication Protocols: DH+, RIO, DH-485

• Communication Channels:

• Channel 1A: DH+ / RIO

• Channel 1C: DH-485

• PCI Port: PCI 2.3 compliant

• Compatible Controllers: PLC-5, PLC-5/250, SLC 5/04; SLC 5/01, 5/02, 5/03 (via 1785-KA5)

• Remote I/O Scanner: Supported

• Cable Lengths & Communication Rates:

• DH+/RIO: 10,000 ft @ 57.6K bit/s; 5,000 ft @ 115.2K bit/s; 2,500 ft @ 230.4K bit/s

• DH-485: 4,000 ft @ 1200–19,200 bit/s

• Status LEDs: One diagnostic/status LED per channel

• Maximum Modules per System: Four (4)

• Wiring Arm: 1771-WN

• External Power Requirement: None

• Coating: Conformal coat for durability

• Signal Delay:

• AC Off: 29 ms ± 8 ms

• DC Off: 30 ms ± 7 ms

• Channel Connectors:

• 1A: 3-pin Phoenix (DH+ & RIO)

• 1C: 6-pin Phoenix (DH-485)

Application Scenarios

• Integration of legacy PLC-5 controllers with modern computing systems

• Industrial networks requiring DH+, RIO, and DH-485 communication

• Systems needing PCI-based communication cards for reliable data exchange

FAQ

Q: Which controllers are supported by the 1784-PKTX/A?  A: PLC-5, PLC-5/250, and SLC 5/04 processors directly; SLC 5/01, 5/02, and 5/03 via 1785-KA5.

Q: How many modules can be installed per system?  A: Up to four modules per system.

Q: Does the card require external power?  A: No, it operates without external power.

Comparison with Similar Models

• 1784-PKTX/A: PCI bus card supporting DH+, RIO, and DH-485.

• 1784-KTX: ISA bus version for older systems.

• 1784-PKTXB: Enhanced PCI card with additional diagnostic features.