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Erik Malund
07/11/03 16:31
Read: 377 times
Mt Airy, Nc
USA


 		 #50514 - RE: DAQ card isolation
Responding to: ???'s previous message
Even if it's part of specifications, for me it's totally stupid to use an interfacing technique, which generates common mode interference by design.
Agreed, but lots of industrial equipment is made that way and if you have to work with existing sensors (and readouts) you are stuck. One of the few cute things about 4-20 is that you can make 'loop powered' readouts.

Erik

List of 47 messages in thread
TopicAuthorDate
DAQ card isolation      Parviz Parvizi      07/05/03 13:21      
   RE: DAQ card isolation      Jez Smith      07/05/03 14:54      
   RE: DAQ card isolation      Raghunathan R      07/05/03 20:46      
   Why galvanic isolation?      Kai Klaas      07/06/03 02:02      
      RE: Why galvanic isolation?      Parviz Parvizi      07/06/03 09:09      
         RE: Why galvanic isolation?      Erik Malund      07/07/03 08:58      
      RE: Why galvanic isolation?      Parviz Parvizi      07/13/03 05:55      
         RE: Why galvanic isolation?      Kai Klaas      07/13/03 22:20      
            RE: Why galvanic isolation?      Terry Lingle      07/14/03 00:52      
               RE: Why galvanic isolation?      Kai Klaas      07/14/03 04:09      
                  RE: Why galvanic isolation?      Terry Lingle      07/14/03 10:35      
                     RE: Why galvanic isolation?      Kai Klaas      07/14/03 14:43      
                     RE: Why galvanic isolation?      Dave Nelson      07/16/03 10:53      
                        RE: Why galvanic isolation?      Terry Lingle      07/16/03 11:38      
   RE: DAQ card isolation      Kai Klaas      07/07/03 20:45      
      RE: DAQ card isolation      Parviz Parvizi      07/08/03 14:03      
         RE: DAQ card isolation      Erik Malund      07/08/03 14:28      
         RE: DAQ card isolation      Kai Klaas      07/09/03 01:09      
            RE: DAQ card isolation, Kai      Erik Malund      07/09/03 08:05      
               RE: DAQ card isolation, Kai      Parviz Parvizi      07/09/03 14:23      
                  RE: DAQ card isolation, Kai      Erik Malund      07/09/03 14:31      
               RE: DAQ card isolation, Kai      Raghunathan R      07/10/03 01:29      
                  RE: DAQ card isolation, Kai      Erik Malund      07/10/03 08:21      
                     RE: DAQ card isolation, Erik      Raghunathan R      07/11/03 11:22      
            More detailed schematic      Kai Klaas      07/10/03 23:18      
               RE: More detailed schematic, Kai      Erik Malund      07/11/03 08:35      
                  RE: More detailed schematic, Kai      Kai Klaas      07/11/03 13:22      
                     RE: More detailed schematic, Kai      Erik Malund      07/11/03 13:50      
                        RE: More detailed schematic, Kai      Kai Klaas      07/11/03 15:30      
   RE: DAQ card isolation      Parviz Parvizi      07/11/03 14:06      
      RE: DAQ card isolation      Erik Malund      07/11/03 14:43      
      RE: DAQ card isolation      Kai Klaas      07/12/03 03:13      
         RE: DAQ card isolation      Parviz Parvizi      07/12/03 10:36      
            I am very unhappy!      Kai Klaas      07/12/03 13:26      
               RE: I am very unhappy!      Rob Redding      07/12/03 16:03      
                  RE: I am very unhappy!      Kai Klaas      07/12/03 18:14      
               RE: I am very unhappy!      Raghunathan R      07/12/03 22:12      
                  No more unhappy      Kai Klaas      07/12/03 22:44      
                     RE: No more unhappy      Michael Karas      07/12/03 23:26      
                        RE: No more unhappy      Kai Klaas      07/13/03 02:58      
                           RE: No more unhappy      Erik Malund      07/14/03 17:02      
               RE: I am very unhappy!      Parviz Parvizi      07/13/03 05:39      
            I say you need isolation at BOTH ends!      Michael Karas      07/12/03 18:13      
               RE: I say you need isolation at BOTH ends!      Parviz Parvizi      07/14/03 05:39      
                  RE: I say you need isolation at BOTH ends!      Erik Malund      07/14/03 17:00      
   RE: DAQ card isolation      Erik Malund      07/11/03 16:31      
      RE: DAQ card isolation      Kai Klaas      07/12/03 00:30      

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