6ES7971-5BB00-0AA0 Siemens SIMATIC S7-300 SUPERCAP Original Brand New

6ES7971-5BB00-0AA0

Siemens SIMATIC S7-300, SUPERCAP for buffering the real time clock CPU 314 and higher

Overview

Siemens SIMATIC S7-300 SUPERCAP is a compact, high-performance supercapacitor module designed to buffer the Real-Time Clock (RTC) in the S7-300 automation system. Unlike traditional lithium backup batteries, the SUPERCAP offers maintenance-free operation, longer lifecycle, and environmentally friendlier technology. It plays a critical role in ensuring that date and time settings are retained even during complete power loss, which is essential for applications involving data logging, alarm timestamping, and time-dependent control logic.

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