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PLC Memory Modules | Allen-Bradley 1745-M1
PLC Memory Modules | Allen-Bradley 1745-M1
Brand/Manufacturer: Allen-Bradley
Order Number: 1745-M1
Type: PLC Memory Modules
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The 1745-M1 is a non-volatile EEPROM memory module engineered for Allen-Bradley SLC 100 and SLC 150 programmable logic controllers. Belonging to the Bulletin 1745 hardware series, this compact memory cartridge installs directly into the host controller to provide secure, non-volatile storage for user logic and configuration data up to a maximum capacity of 1,200 words.
Non-Volatile Program Backup and Retention
The 1745-M1 protects critical operating logic against data loss caused by power outages or internal RAM battery depletion. Once a ladder logic program is saved to the EEPROM chip, the controller can retain its application program indefinitely without requiring battery back-up power, making it ideal for remote or legacy industrial installations where long-term system stability is required.
Module Installation and System Integration
Designed for plug-in operation, the module fits into the designated memory expansion socket on SLC 100 and SLC 150 CPU units. Programmers can transfer user code between the controller's internal RAM and the 1745-M1 EEPROM using an SLC handheld programmer or PC software, enabling simplified program duplication across multiple machines or fast restoration during maintenance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1745-M1 |
| Brand | Allen-Bradley |
| Product Type | PLC Memory Modules |
| Series | Bulletin 1745 |
| Memory Type | EEPROM |
| Memory Capacity | 1,200 Words (Max) |
| Compatible System | SLC 100 / SLC 150 Controllers |
| Weight | 0.02 kg |
Frequently Asked Questions
Q: What is the primary advantage of using the 1745-M1 EEPROM module over standard internal RAM in an SLC 100/150 controller? A: The 1745-M1 provides non-volatile storage, meaning user programs (up to 1,200 words) remain safely stored even if the controller loses main power and its internal RAM battery drains completely.
Q: Can the 1745-M1 memory module be reprogrammed? A: Yes, as an Electrically Erasable Programmable Read-Only Memory (EEPROM) cartridge, the 1745-M1 can be written to, erased, and re-written using compatible Bulletin 1745 programming tools.
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Testimonials
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- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
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- Emily Brown
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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson