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Siemens 6ES5 464-8MA21 Analog Input Module
Siemens 6ES5 464-8MA21 Analog Input Module
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Description:
The Siemens 6ES5 464-8MA21 Analog Input Module is a four-channel analog input card for the Siemens S5 family, designed to convert millivolt-level signals into the S5 backplane data stream with a per-channel range of ±50 mV. Each channel provides bipolar measurement with built‑in linearization and temperature compensation, and the module operates from a +9 V supply; it includes a broken-wire operating mode to detect and report a damaged sensor lead. Commonly used with S5-100U and S5-90U controllers and ET 200U decentral I/O configurations, it enables precise low-level voltage sensing for instrumentation and process-control applications that require small-signal inputs.
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