Amazon.com: Washinglee Profibus DP Bus Connector for Siemens 6ES7972-0BA41-0XA0 Replacement, 35 Degree, No Programming Connector, Black (35°+ No PG Port) : Electronics
Siemens PLC S7 USB to MPI ProfiBus DP PPI 32 64 bit 6GK1571-0BA00-0AA0 - PLCCable.com - Automation Supplies and PLC Tools
Amazon.co.jp: Profibus Bus Connector Adapter, 1 Piece 6ES7 972-0BB41-0XA0 DP Plug Profibus Data System Bus Connector Adapter Electronic : Industrial & Scientific