Product Details
Product Overview
The Allen Bradley 1747-M1 functions as a high-integrity non-volatile memory storage solution for the SLC 500 controller platform. This EEPROM module provides a secure repository for user programs and data tables, ensuring the processor retains critical logic during power loss or battery failure. We supply this component as 100% Brand New and Original, serving as a vital hardware backup for legacy SLC 5/01 and 5/02 systems to prevent costly downtime and loss of automation code.
Technical Specifications
The 1747-M1 provides specialized storage parameters for SLC 500 processors:
| Feature | Specification |
| Module Type | EEPROM Memory Device |
| Memory Capacity | 8 Kilobytes |
| Instruction Capacity | 1,000 Instructions |
| Function | Non-volatile Program/Data Table Storage |
| Backup Type | Flash/EEPROM |
| Weight | 0.25 lbs (0.11 kg) |
| Compatible Series | SLC 500 (Modular and Fixed) |
| I/O Scan Time Support | 0.225 milliseconds |
Engineering Advantages
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Non-Volatile Logic Security: The 1747-M1 utilizes EEPROM technology to store the controller's executive code and data. This eliminates reliance on the internal RAM battery, protecting your industrial process from logic erasure during long-term shutdowns.
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Rapid System Recovery: In the event of a processor fault or hardware swap, the 1747-M1 allows the new controller to auto-load the stored program. This "Plug-and-Play" recovery capability significantly reduces Mean Time to Repair (MTTR) in critical manufacturing environments.
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Deterministic Scan Performance: The module supports high-speed execution with a 0.9 ms program scan time and a 0.225 ms I/O scan time. This ensures that the addition of external memory does not compromise the high-speed response required for discrete control applications.
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Ultra-Compact Footprint: Weighing only 0.25 lbs, the module plugs directly into the processor’s internal memory socket. This internal mounting preserves valuable chassis slots for I/O modules while providing maximum data protection.
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Hardware-Based Code Protection: Once you burn the program to the 1747-M1, the module acts as a physical "Master Copy." This prevents unauthorized or accidental modifications to the active controller RAM from becoming permanent, maintaining the original validated logic state.
FAQs
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Does the 1747-M1 require an external power source to retain data?
No. The EEPROM technology retains all stored data and instructions without any power. You can store this module on a shelf or inside an unpowered rack for years without losing the program.
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Which Allen Bradley processors support the 1747-M1 module?
This module specifically supports the SLC 5/01 and SLC 5/02 modular processors, as well as several fixed SLC 500 controllers. Always verify the memory socket compatibility on your specific CPU before installation.
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What is the procedure for transferring a program to the 1747-M1?
You must utilize the "Burn to EEPROM" command within your programming software (such as RSLogix 500). The processor transfers the contents of its active RAM to the 1747-M1 module for permanent storage.
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Is this a factory-sealed unit?
Absolutely. We guarantee this 1747-M1 is 100% Brand New original hardware. It arrives in the original Allen Bradley factory-sealed anti-static packaging with the verifiable UPC (662073521648) intact.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.