Siemens 6ES7 972-0DA00-0AA0 Terminating Resistor

Siemens 6ES7 972-0DA00-0AA0 Terminating Resistor is an active terminating resistor for PROFIBUS/MPI RS-485 networks, designed to be placed at the end of a PROFIBUS DP bus segment to suppress reflections and stabilize signal integrity. Listed as 6ES7 972-0DA00-0AA0 and also cataloged as 6ES7972-0DA00-0AA0, it is a Siemens SIMATIC DP accessory used to provide termination at the bus ends. Common applications include end-of-line termination in industrial PLC setups using PROFIBUS DP, with the terminating resistor engaged at the final node on the bus. This product is a dedicated PROFIBUS terminator in Siemens' accessory lineup, referenced by order number 6ES7 972-0DA00-0AA0.