Description
EPRO MMS6823R Memory Module for Industrial Control Systems
We’ve had several clients ask about reliable memory solutions for legacy systems lately. The EPRO MMS6823R might be exactly what you need if you’re maintaining older industrial equipment. This module handles critical data storage in environments where standard memory chips wouldn’t survive.
| Specification | Details |
| Origin | Germany |
| Model Number | MMS6823R (9100-00001-06) |
| Voltage Range | 5V ±10% (typical industrial standard) |
| Memory Size | 32KB EPROM |
| Certifications | CE, RoHS |


These modules are commonly found in older Siemens and Allen Bradley control systems we service. One recent customer used them to restore operations at a chemical plant’s legacy reactor control system after a power surge damaged their existing memory modules.
They work particularly well in environments with temperature fluctuations between -20°C to 70°C, which makes them suitable for outdoor installations. We’ve seen them deployed in:
- Petrochemical plant monitoring systems
- Steel mill temperature control loops
- Water treatment facility automation panels
Our inventory includes both standard and obsolete models. For current pricing and availability, email me directly or reach out via WhatsApp. All units come with our standard 1-year warranty, though we’ve seen failure rates under 0.5% in our recent batches.
While we primarily handle standard automation components, we’ve helped customers source specific configurations for specialized applications. If you’re working with legacy systems or need to maintain spare parts inventory for critical processes, these modules could be a good fit.









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