Allen‑Bradley 1784-SD1 1GB Industrial SD Memory Card

Product Overview

Core Specifications

• Storage capacity: 1 GB industrial SD card, FAT16 file system
• Compatible controllers: ControlLogix 5570/5580, CompactLogix 5370/5380, GuardLogix safety controllers
• Operating temperature: 0 °C ~ +60 °C (indoor cabinet environment)
• Storage temperature: -40 °C ~ +85 °C
• Mechanical: Standard full-size SD card form factor, built-in write-protect lock switch
• Data retention: Long-term data storage without continuous power supply
• Protection: Industrial anti-vibration, anti-electromagnetic interference design
• Certifications: CE, RCM, cULus industrial certification
• Weight: Ultra-light, only a few grams

Main Functions

1. Complete PLC program offline backup & rapid restore

    

   Store full controller logic programs, tag databases, I/O configuration, motion parameters and safety logic. When replacing a faulty controller, insert the SD card to auto-load all programs without re-downloading from a programming PC, greatly shortening downtime.
2. Controller firmware upgrade carrier

    

   Save official firmware files for Logix CPUs, drives and communication modules; perform on-site firmware updates directly via the controller’s SD card slot without network connection.
3. Real-time production data logging

    

   Record runtime data, fault logs, alarm records, production batch data and trend curves on the card for later analysis, without occupying controller internal memory.
4. Safety program secure storage

    

   For GuardLogix safety PLCs, store safety control programs and safety signature files to meet machine safety traceability requirements.
5. Cross-equipment program migration

    

   Transfer standardized machine program templates between multiple identical production machines, realizing fast equipment commissioning and batch deployment.
6. System fault recovery medium

    

   When the controller internal memory fails or power data is lost, the SD card can restore the full system configuration with one click.

Key Advantages

• Official AB industrial SD card, optimized for Logix controllers, avoiding compatibility failures of civilian consumer SD cards
• 1GB large capacity supports storing multiple programs, firmware packages and long-term historical log data
• Write-protect lock prevents accidental program overwriting or data deletion on site
• No external power required; data is permanently saved after power off
• Compact plug-and-play design, easy to plug/unplug on the controller front panel
• Wide industrial temperature range adapts to high-temperature control cabinet environments
• Standard FAT16 format supports direct file reading via PC card readers for offline data analysis

Typical Applications

• Packaging machine PLC program backup and equipment replacement recovery
• Automotive assembly line standardized program batch migration
• Water treatment, chemical process control fault data recording
• GuardLogix safety controller safety program storage
• Offline firmware upgrade for ControlLogix and CompactLogix systems
• Production line batch data storage and quality traceability logging
• Equipment after-sales maintenance quick program recovery tool