Allen Bradley 1784-SDHC8 High-Capacity Secure Digital Memory Card
Allen Bradley 1784-SDHC8 High-Capacity Secure Digital Memory Card
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Brand:Allen Bradley PLC Item No.:1784-SDHC8 Product Origin:USA Product Dimensions:60 × 20 × 50 mm Product Weight:0.24 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen-Bradley 1784-SDHC8 High-Capacity Secure Digital Memory Card is described as a removable storage accessory for compatible industrial automation equipment. SDHC technology provides a standardized memory-card format, but its suitability for a particular controller depends on the device's hardware and firmware support.
In industrial maintenance, selecting the correct memory accessory is important for preserving equipment compatibility and avoiding problems during service or data-management operations. Cards that appear physically similar may differ in supported capacity, format, and host-device requirements.
For replacement-part sourcing, verify the exact 1784-SDHC8 catalog number against the original equipment documentation. Confirm the card's rated capacity and intended function before purchasing or installing it in an automation system.
Technical Specifications
Parameter
Specification
Brand
Allen-Bradley
Model
1784-SDHC8
Product Type
High-Capacity Secure Digital Memory Card
Product Category
Industrial Automation Memory Accessory
Memory Format
SDHC
Storage Capacity
Confirm from the product label or manufacturer documentation
Intended Application
Removable storage for compatible automation equipment
Controller Compatibility
Requires model-specific verification
Dimensions
60 × 20 × 50 mm
Weight
0.24 kg / 0.53 lb
Note: Dimensions and weight are reproduced from the supplied information. Confirm the exact physical specifications, rated capacity, and compatibility before ordering.
Recommended Related Models
The following Allen-Bradley products may be relevant when comparing memory accessories or reviewing controller requirements. They are not necessarily direct substitutes for the 1784-SDHC8.
Allen-Bradley 1784-SD2 — Secure Digital memory accessory; verify its exact specifications.
Allen-Bradley 1784-SDHC32 — High-Capacity Secure Digital memory card.
Allen-Bradley 1756-EN2T — ControlLogix EtherNet/IP communication module.
Allen-Bradley 1756-EN2TR — ControlLogix EtherNet/IP communication module.
Selection note: Controllers, communication modules, and memory cards perform different functions. Confirm the target controller's approved memory format and supported capacity before selecting a replacement.
Applications
The Allen-Bradley 1784-SDHC8 High-Capacity Secure Digital Memory Card is an industrial memory accessory intended for compatible automation equipment. Removable memory cards can support data storage, file transfer, and maintenance procedures when the host device explicitly supports the card format and capacity.
Typical application areas include:
Industrial Controller Maintenance: Supports memory-related service procedures on compatible control equipment.
Program and Data Handling: May be used for supported file-storage or transfer operations.
System Servicing: Provides a removable media option for installations designed to accept compatible SDHC cards.
Legacy Automation Support: Can be considered when maintaining equipment that specifies this particular memory-card model.
Spare-Part Procurement: Provides a catalog number to help identify the required accessory when ordering replacement parts.
Compatibility should always be confirmed against the target controller's documentation before installation.
Advantages
SDHC Memory Format: Uses the Secure Digital High Capacity format for compatible devices.
Removable Storage: Allows the memory media to be handled separately from the host equipment where supported.
Convenient Maintenance: Can support approved data-management procedures in compatible automation systems.
Specific Catalog Identification: The 1784-SDHC8 part number helps distinguish this accessory from other memory-card variants.
Industrial Spare-Part Support: Useful for procurement teams maintaining existing equipment with model-specific memory requirements.
Compatibility-Based Selection: Allows buyers to match the storage accessory to the requirements of the installed control system.
Technical FAQs
1. What is the Allen-Bradley 1784-SDHC8?
It is identified in the supplied product description as a High-Capacity Secure Digital memory card for industrial automation applications.
2. What does SDHC stand for?
SDHC stands for Secure Digital High Capacity, a memory-card standard designed for storage capacities beyond the original SD standard.
3. What is the storage capacity of the 1784-SDHC8?
The exact rated capacity should be confirmed from the product label or manufacturer documentation rather than inferred from the model suffix alone.
4. Is this card compatible with every Allen-Bradley controller?
No. Compatibility depends on the controller model, hardware revision, firmware, and supported storage format.
5. Can the card be used to store controller programs?
Only where the host controller supports the card and provides the required program-storage functionality. Check the controller's instructions before use.
6. Is an SDHC card interchangeable with a standard SD card?
Not in every application. The host device must support the SDHC format and the card's capacity.
7. Can the 1784-SDHC8 replace a CompactFlash card?
No, not directly. SDHC and CompactFlash use different physical interfaces and require different host hardware.
8. Can the card be removed while the controller is running?
Follow the host device's instructions. Removing a card during active writing or other memory operations may result in data corruption or operational problems.
9. What should be checked before purchasing this card?
Verify the complete catalog number, rated capacity, supported memory format, controller compatibility, and any formatting requirements.
10. How can the correct replacement memory card be identified?
Check the original card's label and the controller's hardware documentation. Confirm the catalog number and supported memory specifications before ordering.
