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09/11/01 07:35
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#14870 - RE: 4 - 20 ma loop instrument interface
Hi Maziar,

current loop was old, but not outmoded, since many advantages, e.g.:

- self powered by the minimal value of 4mA, so only 2 wire needed (instead of 4 wire on RS-232/-485)
- unshielded cable can be used, since you can integrate 20ms to get full 50Hz suppression.


Peter


List of 16 messages in thread
TopicAuthorDate
4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      
RE: 4 - 20 ma loop instrument interface            01/01/70 00:00      

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