Emerson Process Management 3422 User Manual

June 2013

3-9000-743 Rev S

communicating with meter but all 
chords display failures

•

Verify that the resistance of transducers is within Specification (1-2 

Ω)

.

•

Check the Acquisition board (

).

•

Check the interconnect cables between the base assembly and the head assembly
(

chord is not indicating

•

Check the resistance of the failed transducer.

•

If Chord A is not indicating, change the transducer cables from Chord D to chord A. 
If Chord D then fails, the transducers are bad on Chord A (

).

•

The same test procedure can be accomplished by swapping Chords B and C if a 
chord fails in either chord (

Note that the outside chord cables cannot be exchanged with inner 
chord cables.