The 1770-KF3_A is a Data Highway 485 communication interface module designed for seamless integration between a host computer and network nodes. It features one RS-232C interface port supporting DF1 protocol at speeds up to 19.2 Kbps and one RS-485 data port (UPP Ser A). The module operates with an AC input voltage range of 85 to 132 Volts AC (RMS) or 170 to 264 Volts AC. It is part of the 1770 product family and facilitates reliable communication in PLC and machine control applications.
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