Siemens 6SE7021-1FB61The Siemens 6SE7021 1FB61 is a versatile programmable logic controller (PLC) module crafted for seamless integration into industrial automation and control systems. This compact rack mounted unit, measuring just 1 rack unit, features 12 digital inputs and 8 digital outputs, facilitating efficient monitoring and operation. Equipped with an RS 232C communication interface, it ensures reliable data transfer, while its memory capacity of 4 KB RAM and 16
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