rob63 Member R Join Date Mar 2015 Location uk Posts 69 Aug 15, 2015 #1 I was just wondering what is the purpose of the on/off switch on a Siemens profibus connector? As i understand it the end of line is always on but what is inside these switches and what is the purpose?
I was just wondering what is the purpose of the on/off switch on a Siemens profibus connector? As i understand it the end of line is always on but what is inside these switches and what is the purpose?
boneless Lifetime Supporting Member + Moderator Join Date Feb 2008 Location OKC Posts 1,628 Aug 15, 2015 #2 There is a termination resistor inside of the plug. Reason why: http://profibus.felser.ch/en/index.html?der_busabschluss_fuer_rs485.htm
There is a termination resistor inside of the plug. Reason why: http://profibus.felser.ch/en/index.html?der_busabschluss_fuer_rs485.htm