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Description
Allen-Bradley 1784-CF128 ControlLogix CompactFlash Memory Card
The Allen-Bradley 1784-CF128, also cataloged as the 1784-CF128 CompactFlash Memory Card, operates as a dedicated hardware component for non-volatile controller data storage within ControlLogix 5560 automation platforms. It provides file-based memory operations including create, read, write, and delete functions through FAT16 formatted storage.
Suffix Breakdown & Model Matrix
| Model Element | Specification |
|---|---|
| 1784 | Allen-Bradley industrial memory product family |
| CF128 | CompactFlash memory card with 128 MB storage capacity |
| Application Platform | ControlLogix L6 controllers |
| Memory Type | Non-volatile CompactFlash storage |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1784-CF128 |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 0.04 lbs |
| Product Type | CompactFlash Memory Cards |
| Series | ControlLogix |
| Memory Size | 128 MB |
| Memory Type | Non-volatile memory |
| Memory Format | FAT16 |
| Compatible Controllers | ControlLogix 5560 controllers |
| Application | ControlLogix L6 controller platforms |
| Basic File Functions | Create, write, read, delete |
| Secondary Functions | File open, file close, printer settings, checksum calculation, checksum verification, data parsing, error handling |
| Maximum Data Size | 450 Bytes read/write |
| Maximum Open Files | 1 file |
| Maximum File Quantity | 250 files |
| Hot Swap Operation | Removal and insertion under power not supported |
ControlLogix Memory and Data Management Characteristics
The 1784-CF128 provides non-volatile storage integration for ControlLogix controller systems through CompactFlash memory architecture. The module supports controller file management functions including file creation, data writing, file reading, and deletion operations.
The ControlLogix platform uses firmware flash compatibility and removable memory management functions to maintain application data storage. The 128 MB FAT16 formatted memory structure supports controller file access operations with defined file quantity and open file limitations.
The memory card is configured for ControlLogix L6 controller applications and does not support removal or insertion while system power is applied. Memory access is performed through the controller interface during configured operation states.
Frequently Asked Questions
Q: Can the 1784-CF128 be removed while the ControlLogix controller is powered?
A: No. Removal and insertion under power is not supported for this CompactFlash memory card.
Q: What file system format is used by the 1784-CF128?
A: The memory card uses FAT16 formatting for controller file storage operations.
Q: Which controllers are compatible with the 1784-CF128?
A: The card is specified for use with ControlLogix 5560 controllers and ControlLogix L6 controller applications.
Field Installation Guidelines
Install the 1784-CF128 into the designated CompactFlash interface of the compatible ControlLogix controller with system power removed. Confirm the memory card orientation and connector alignment before insertion.
Avoid touching the electrical contacts during installation and protect the memory card from contamination, mechanical stress, and electrostatic discharge. Follow standard ESD handling procedures when installing or removing the card.
Before system operation, verify that the controller recognizes the memory card and confirm required application files are present. Maintain proper backup procedures for stored controller files before performing memory replacement or maintenance activities.
Features
We welcome bulk orders and have a minimum order quantity of just one unit.
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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