Siemens SIMATIC S5 MS 377 Memory Submodule

Model: 6ES5377-0AA11 | A32-C464-3-87 Rev. 1 | 16KB RAM Short-Form Design

Note: This is an unused, pristine component. Because the original factory packaging is missing or not intact, we are officially listing it under “Used” parameters to comply with platform transparency guidelines. Pin tracks are immaculate and insertion-free.

Product Overview

The genuine Siemens SIMATIC S5 MS 377 (6ES5377-0AA11) is a critical legacy memory submodule offering 16KB of volatile RAM capacity inside a short-form physical design configuration. Specially engineered to sustain older industrial automation frameworks and critical control architectures, this premium expansion card provides rock-solid program memory expansion and reliable data caching logic. It integrates seamlessly into vintage SIMATIC S5 central processing units, ensuring data persistence and logic execution stability within existing control racks.

Technical Specifications

Legacy System Benefits

• Seamless Drop-in Solution: Slides directly into historical Siemens central processor memory sub-slots without requiring software conversion tools or updated firmware patches.
• Critical Infrastructure Support: Provides a perfect, high-grade replacement module for maintaining operational life cycles of legacy processing mills, automotive production assembly lines, and chemical machinery control panels.
• Short-Form Layout: The specific mechanical card profile meets the precise clearance rules mandated inside specific compact rack configurations.
• Gold Contact Integrity: Clean, unmarred insertion edge connectors guarantee reliable data signal routing without the corrosion risks found in older, heavily cycled modules.

Shipping & Asset Recovery Details

Anti-Static Protection: Packaged meticulously inside high-grade ESD anti-static shielded barrier bags and bubble protection to protect the onboard microcircuits entirely during transit.
Inquiries: Fast dispatch with global tracking details updated immediately. If your facility requires verification of a specific STEP 5 software code configuration mapping, or you want to request combined shipping rates for multiple legacy automation items, please send us an eBay message.