K kolla Member Aug 4, 2004 #1 I'm using communication RS 232 between a light meter, PLC and a computer. This is all in one rack with some frequency inverters. The frequency inverters are producing noise. How can I avoid this?
I'm using communication RS 232 between a light meter, PLC and a computer. This is all in one rack with some frequency inverters. The frequency inverters are producing noise. How can I avoid this?
dereckbc Moderator Staff member Location Plano, TX Aug 4, 2004 #2 Re: how to avoid noise using RS232 Use an optical isolation modem on the RS-232 ports. Is all the equipment powered from the same dedicated circuit? [ August 04, 2004, 03:28 PM: Message edited by: dereckbc ]
Re: how to avoid noise using RS232 Use an optical isolation modem on the RS-232 ports. Is all the equipment powered from the same dedicated circuit? [ August 04, 2004, 03:28 PM: Message edited by: dereckbc ]
K kolla Member Aug 4, 2004 #3 Re: how to avoid noise using RS232 Everything is supplied by the same power supply.