profibus总线连接器6ES7972-0BA41-0XA0PROFIBUS总线连接器不带编程口35度电缆引出线。6ES7972-0BB41-0XA0PROFIBUS总线连接器带编程口35度电缆引出线。6ES7972-0BA12-0XA0PROFIBUS总线连接器不带编程口垂直90度电缆引出线。6ES7972-0BB12-0XA0PROFIBUS总线连接器带编程口垂直90度电缆引出线。)