Siemens 6SE7021-0TA71

The Siemens 6SE7021-0TA71 is a vital digital input module designed for use with Siemens S7-200 series programmable logic controllers (PLCs). This reliable component can handle up to 16 digital inputs, which are versatile enough to be configured as either normally open or normally closed contacts. Operating at a voltage of 24V DC, it features efficient current consumption of 10mA per input, ensuring optimal performance. Its compatibility with communication protocols such as PROFIBUS and PROFINET facilitates seamless integration into complex automation systems. Ideal for converting digital signals from external devices into PLC-compatible formats, the 6SE7021-0TA71 is essential for enhancing the functionality and responsiveness of industrial automation tasks. For those seeking a straightforward installation, this module adheres to Siemens’ recommended procedures to ensure that setup and maintenance are as efficient as possible.