AB 1784-KTX
AB 1784-KTX
AB 1784-KTX
AB 1784-KTX
AB 1784-KTX
AB 1784-KTX
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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power stocks rigorously tested, hard-to-find Allen-Bradley 1784-KTX interface modules, enabling secure data collection and programming links for your mature industrial networks.

1784-KTX

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Allen-Bradley 1784-KTX is a single-channel ISA communication card for DH+, DH-485, remote I/O scanning, and supported direct PLC-2 or PLC-3 connections.
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Technical specifications for 1784-KTX

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1784-KTX
  • Product Family:
    PLC-5
  • Product Type:
    Single-Channel DH+/DH-485 and Remote I/O Interface Card
  • Stock:
    1
  • Form Factor:
    Half-size ISA communication interface card
  • Host Slot:
    16-bit ISA or EISA
  • Communication Channels:
    One
  • Supported Networks:
    Data Highway Plus or Data Highway-485
  • Remote I/O Function:
    Scanner
  • Direct Connection:
    Supported for documented PLC-2 or PLC-3 connections
  • Compatible Processor Families:
    PLC-2, PLC-3, PLC-5, and SLC on supported networks
  • Operational Slot Temperature:
    0 to 60 °C
  • Non-operational Slot Temperature:
    -40 to 85 °C
  • Dimensions:
    2.2 × 17.1 × 12.6 cm
  • Weight:
    0.12 kg
  • Tariff Code:
    8517623990
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Host Configuration Network Modes Installation Application
  • Installs inside a compatible industrial computer through a 16-bit ISA or EISA expansion slot
  • Provides the host with one selectable interface for an Allen-Bradley control network
  • Uses assigned computer resources and adapter settings to establish the active communication path

1784-KTX gives a compatible industrial computer direct access to supported Allen-Bradley controllers and I/O equipment for programming, diagnostics, or host-based data exchange.

Because the card has one communication channel, its configured network role must match the intended connection before the host application is started.

When moving the card to another computer, reproduce the original resource assignment and adapter configuration, then confirm communication with every required station before returning the system to operation.

Availability, condition, price, and shipping time for 1784-KTX are confirmed during quotation.

Allen-Bradley 1784-KTX Single-Channel DH+/DH-485 and Remote I/O Interface Card Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Use a 16-bit ISA or EISA slot and remove computer power before installation.
  • Preserve the card's base-memory address and interrupt selection.
  • Check the host BIOS and other adapters for resource conflicts.
  • Configure the single channel for DH+, DH-485, or remote I/O scanner operation.
  • KTX can communicate with supported PLC-2, PLC-3, PLC-5, and SLC processors.
  • The documented direct PLC-2/PLC-3 connection applies to KTX, not KTXD.
  • Match the installed cable, connector, network polarity, and termination.
  • Restore the station address, baud rate, driver, and scanner parameters.
  • Run the documented diagnostics before reconnecting production equipment.
  • Programming and data exchange on Data Highway Plus networks.
  • Communication with supported SLC processors on Data Highway-485 networks.
  • PC-based remote I/O scanner operation for compatible Allen-Bradley I/O.
Description
Allen-Bradley 1784-KTX is a single-channel ISA communication card for DH+, DH-485, remote I/O scanning, and supported direct PLC-2 or PLC-3 connections.

The half-size card installs in a 16-bit ISA or EISA slot and can communicate with PLC-2, PLC-3, PLC-5, and SLC processors according to the selected network and driver configuration.

A replacement must preserve the base-memory address, interrupt, channel mode, network station and baud settings, cable and termination, host slot, driver, and any remote I/O scanner configuration.
Alternative Names
1784-KTX 1784KTX 1784 KTX Allen-Bradley 1784-KTX Allen Bradley 1784-KTX AB 1784-KTX
Technical notes
1784-KTX replacement requires a 16-bit ISA/EISA slot, matching base memory and interrupt, channel mode, station and baud settings, network wiring, termination, driver, and scanner configuration; KTXD is not automatically equivalent.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What computer slot is required for Allen-Bradley 1784-KTX?
Install the card only in a compatible 16-bit ISA or EISA expansion slot; the official manual warns that an 8-bit slot is not supported.
What configuration should be recorded before replacing Allen-Bradley 1784-KTX?
Record the base-memory address, interrupt, network station and baud settings, selected channel mode, cabling, termination, driver, and remote I/O scanner parameters.
Can Allen-Bradley 1784-KTX connect directly to PLC-2 or PLC-3 equipment?
Yes, the official manual documents direct PLC-2 and PLC-3 connections for KTX; verify the specified cable, port, driver, and processor arrangement.
Why might Allen-Bradley 1784-KTX conflict with another computer adapter?
The selected base-memory range or interrupt may already be occupied, or the host BIOS may shadow the required memory area, preventing correct driver access.
What should be checked when using Allen-Bradley 1784-KTX as a remote I/O scanner?
Match the scanner mode, rack addresses, baud rate, cable polarity, termination, adapter configuration, and software driver to the existing remote I/O system.
Can Allen-Bradley 1784-KTX be substituted with 1784-KTXD without review?
No. KTXD has two channels and different resource and connection planning, while KTX is single-channel and supports direct PLC-2/PLC-3 connection behavior not assigned to KTXD.
Why can Allen-Bradley 1784-KTX fit the computer but still fail during startup?
A correct physical fit can still fail if the ISA resources, network mode, station address, baud rate, termination, or legacy driver does not match the saved installation.