Reliable EPROM Storage for SIMATIC S5 Systems
The C79458-L331-B1 memory module provides dependable EPROM storage for Siemens SIMATIC S5 automation systems. This specialized submodule offers stable program and data retention in industrial environments. It ensures quick access to stored information without requiring backup batteries. Therefore, this module serves as a solid choice for enhancing control setups. BSP Automation describes it as a reliable component for industrial applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | C79458-L331-B1 |
| Product Type | Memory Module (EPROM Submodule) |
| Compatibility | SIMATIC S5 Automation Systems |
| Weight | 0.03 kg |
| HS Code | 84733020 |
| Warranty | 12 months (supplier dependent) |
| Product Condition | Used / Legacy |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to +85°C |
| Certifications | CE, UL |
Memory Functionality and System Integration
The C79458-L331-B1 plugs directly into compatible S5 modules as a submodule expansion. It stores critical program code, parameters, and configuration data permanently. Furthermore, this EPROM design retains data without power, protecting against unexpected shutdowns. The module ensures data integrity and quick access when needed. Consequently, it proves invaluable for legacy system maintenance and upgrades. Users can rely on this module for long-term program storage in critical applications.
Physical Characteristics and Installation
The C79458-L331-B1 weighs only 0.03 kg, making it an extremely lightweight component. Its compact submodule form factor allows easy installation into designated slots. The board’s robust construction withstands typical industrial conditions, including vibration and temperature variations. Users can install this module without special tools or extensive technical expertise. The module’s small footprint does not obstruct adjacent components.
Data Retention and Reliability
This EPROM module retains stored data for extended periods without any external power source. The C79458-L331-B1 ensures program integrity during power outages and system shutdowns. Its non-volatile design eliminates the need for battery replacements or maintenance. Therefore, this module offers a maintenance-free memory solution for S5 systems. The module’s reliability makes it suitable for mission-critical automation tasks where data loss is unacceptable.
Product Availability
Distributors currently offer this module in used or refurbished condition. The product has achieved legacy status in the automation market. Many suppliers provide a 12-month warranty on the C79458-L331-B1. Additionally, various online platforms list the module for sale by multiple vendors. Users should verify compatibility with their specific S5 CPU model before purchase.
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