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EHELP: Can the PSD PC-programmable loop display pass HART data?

EHELP: Can the PSD PC-programmable loop display pass HART data?

Q.  Can the PSD PC-programmable Loop Display pass HART® data without problems through the device if placed in a loop with a HART® capable transmitter?

Published: June 7, 2017

EHELP: HIX Minimum Output Value

EHELP: HIX Minimum Output Value

Q:  HIX Application - It appears that if the "Primary Master" loop (input loop side of the HIX) is broken or open circuited, the "Secondary" loop (output loop side of the HIX) will be 0mA.   Is this true?  Maybe I can put a zener across the primary process terminals to keep the current loop when the process opens? Also, are both or either loops bi-directional HART? I have a 4-20mA input signal that I'd like to share between two 4-20mA/HART process loops. Actually, we currently use another vendor's device to "split" one 4-20mA input to four process loops but it doesn't pass HART.

Published: August 9, 2016
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