Allen-Bradley 1784-CF128 Communication Modules Network Switch
Allen-Bradley 1784-CF128 Communication Modules Network Switch. NJT Automation sources the 1784-CF128 on request; send the part number for a replacement or repair quote.
Quote required. Request a quote below for pricing and delivery.
| Part Number | 1784-CF128 |
| Price | On Request Availability and condition determine final quote. |
| Description | Allen-Bradley 1784-CF128 Communication Modules Network Switch. 1784CF128 Logic 556x Industrial CompactFlash Card 128MB. |
| Shipping | UPS Ground included | Next-Day Air and Worldwide Shipping available at checkout |
| Warranty | 1-year full-function warranty provided by NJT Automation. Warranty details
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| Returns | 90-day free returns. View return policy |
| Exchange | Send us your defective 1784-CF128 after your purchase for a 10% core credit. We also purchase old or damaged parts outright. |
| Availability | Sourced on request We do not have a 1784-CF128 on the shelf right now. We can source one through our supplier network; request a quote and we confirm availability, price and lead time before you commit. | ||
| Sourcing | Sourced through our Level 1 network of vetted US suppliers. Each unit is checked before it ships and carries the same NJT warranty and return policy as our own stock. Quotes within one hour during business hours; typical delivery 3–5 business days, next-day air available. Sourced parts are not available for local pickup. | ||
| Repairs | 1784-CF128 Mail-In Repair Service | ||
Intended Use | Designed for legacy controller programming and network access applications. Communication interfaces connect a PC to DH+, DH-485 and ControlNet networks for programming, troubleshooting and data collection on PLC-5, SLC 500 and ControlLogix systems. | ||
Allen Bradley Information | Allen Bradley 1784-CF128 CompactFlash Card 128 MB storage capacity, industrial-grade, designed for use with Allen-Bradley controllers and industrial computers. Technical SpecificationsLifecycle status
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| Category | Communication Modules | ||
| Part Number | 1784-CF128 | ||
| Manufacturer | Allen-Bradley | ||
Can the 1784-CF128 be repaired?
Yes. NJT Automation repairs the 1784-CF128 by mail-in: diagnostic evaluation, component-level repair and a functional test, backed by a 1-year full-function warranty.
NJT managed repair. No evaluation fee; no repair, no charge. Prepaid UPS label both ways, $650 minimum, rush available. 1-year full-function warranty included, 2- and 3-year options.
Compare quotes from independent repair technicians. Post your repair on RepairMode to receive competitive bids from experienced technicians. Each technician sets their own pricing and warranty.
Find a repair specialiston RepairMode.com ↗Common failures
Failure patterns we regularly see on communication interface hardware like the 1784-CF128:
- DH+ / DH-485 / ControlNet channel dead: transceiver failure with good cabling
- USB or PC bus connection not recognized (PKTX / U2DHP / PCMK)
- Configuration lost or module not seen after a power event
- Connector damage from repeated cable changes
Photos by NJT Automation; test videos from NJT or network repair technicians.
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