SIEMENS SIMATIC S5 6ES5377-0AA41
€806.00
SIEMENS SIMATIC S5 6ES5377-0AA41 6ES5 377-0AA41 Memory Module 377 E02 -used
SIEMENS SIMATIC S5 6ES5377-0AA41 – 128 KB RAM Memory Submodule
The Siemens SIMATIC S5 6ES5377-0AA41 is a memory expansion module designed to be used within the SIMATIC S5 programmable logic controller system. It serves as a 128 KB RAM submodule, supporting the execution and storage of user programs and variable data within the PLC. This module is essential for applications requiring enhanced memory capacity beyond the built-in limits of the main CPU module.
Designed for compatibility with various models in the SIMATIC S5 series, the 6ES5377-0AA41 expands the system’s program memory to handle more complex logic operations, extended routines, and additional I/O structures. The RAM is volatile, meaning the contents are lost when power is removed, and a battery backup may be required for certain use cases if data retention is critical.
This memory module is built with industrial-grade reliability and is intended for long-term operation in automated environments. It is suitable for use in manufacturing, process control, utility management, and other industrial sectors where SIMATIC S5 systems are still deployed.
Key technical specifications:
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Model: 6ES5377-0AA41
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Memory type: RAM
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Memory size: 128 KB
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Form factor: Short module design
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Compatibility: SIMATIC S5 PLC systems
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Power supply: Supplied by the PLC rack
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Typical use: User program storage, variable memory expansion
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Dimensions: Approx. 8 x 5 x 3 cm
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Weight: Approx. 0.1 kg
The module has been officially discontinued by Siemens, but it is still available through specialized automation equipment resellers. It is commonly found in both new old stock and refurbished condition. When sourcing, it is recommended to verify the condition and ensure proper warranty or testing documentation is provided.
This RAM expansion module remains a dependable solution for companies continuing to operate legacy S5 systems. It supports ongoing system reliability and helps delay costly migration efforts to newer platforms.
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| Weight | 0.10 kg |
|---|---|
| Product code |
EBA SIEMENS SIMATIC S5 6ES5377-0AA41 |
| Brand |
4025515115854 |
| Condition |
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. |
| Manufacturer number |
6ES5377-0AA41 |
| Item number |
20557 |
| Country of origin |
Germany |
| Weight |
0.10 |
