Introduction
When a Modicon M580 ePAC CPU runs out of room for user files, production data logging, or recipe archives, the whole line feels it. The BMXRMS004GPF from Schneider Electric solves that problem with 4 GB of dedicated storage built specifically for the M580 platform. This memory card belongs to the Modicon M580 series and acts as a separate accessory component, so you can expand file storage without replacing the controller itself.
The card splits its capacity in a practical way. It provides 64 MB of application memory alongside 3.93 GB of data storage. That combination lets the CPU keep program logic close at hand while reserving the bulk of the space for user files, historical records, and other data-heavy tasks.
Why This Memory Card Matters for M580 Users
Modicon M580 CPUs handle demanding process and discrete control work. Over time, those applications generate files that need a reliable home. The BMXRMS004GPF gives that data a dedicated location inside the rack. Engineers who manage recipe management, batch reporting, or long-term trend logging often find the standard CPU memory tight. This card removes that constraint.
Write endurance reaches 100,000 cycles, so frequent data updates will not wear the card out quickly. Data retention holds for 10 years, which supports archival strategies where records must survive long idle periods. The card weighs just 0.002 kg, adding virtually nothing to the panel load.
Technical Specifications at a Glance
| Specification | Value |
|---|---|
| Product Series | Modicon M580 |
| Accessory Type | Memory Card |
| Memory Capacity | 4 GB |
| Application Memory | 64 MB |
| Data Storage | 3.93 GB |
| Write Endurance | 100,000 cycles |
| Data Retention | 10 Years |
| Net Weight | 0.002 kg |
| Operating Temperature | -40…85 °C |
| Product Scope | BMEP58… |
Each figure above comes directly from Schneider Electric documentation for this exact model. Nothing here is estimated or borrowed from a different card in the family.
Environmental Range and Installation Notes
The operating temperature range of -40…85 °C covers most industrial cabinets, including unheated enclosures and outdoor-rated panels. That wide window means the card tolerates cold start-ups and hot summer afternoons without special climate control.
Installation follows the standard M580 accessory procedure. Power down the CPU, seat the card in its designated slot, and secure it per the hardware manual. Because the card stores user files, always back up critical data before removing or swapping it. Follow Schneider Electric’s official M580 installation guide for slot location and handling precautions.
Compatibility and Integration
The BMXRMS004GPF fits the Modicon M580 ePAC CPU range, with product scope listed as BMEP58… This card works as a separate component, so it integrates into existing M580 racks without firmware changes beyond normal configuration. Verify your exact CPU reference against the compatibility list before ordering, since not every M580 variant supports the same accessory set.
Maintenance and Long-Term Reliability
With 100,000 write cycles and 10 years of data retention, this card suits applications that write regularly but not continuously. For heavy logging, plan periodic reviews of stored files to keep the card within comfortable usage levels. Inspect the card seating during routine panel maintenance. Keep the cabinet within the stated temperature range and free of excessive vibration. These simple habits protect your investment and extend service life.
Buyer’s Checklist Before You Order
Confirm three things before purchase. First, check that your CPU falls under the BMEP58… scope. Second, verify you need file storage rather than a different accessory type. Third, confirm the 4 GB capacity matches your data growth plan. SpareTechPLC stocks this card and can help you confirm compatibility with your specific M580 setup.
Please verify current lifecycle status and availability with SpareTechPLC before ordering.
Frequently Asked Questions
What is the BMXRMS004GPF used for?
It provides 4 GB of memory for user file storage in Modicon M580 ePAC CPUs, with 64 MB reserved for application memory and 3.93 GB for data storage.
Which CPUs work with this memory card?
The card targets the Modicon M580 series, with product scope listed as BMEP58… Confirm your exact CPU reference before ordering.
How long does the card retain data?
Schneider Electric rates data retention at 10 years, and write endurance at 100,000 cycles.
What temperature range does it support?
The operating temperature range is -40…85 °C, suitable for most industrial enclosures.
Is this a genuine Schneider Electric part?
Yes. The BMXRMS004GPF is a Schneider Electric Modicon M580 accessory. Contact SpareTechPLC to confirm availability and lead time.
