Rockwell Automation 1771-QRD PULS FLOWMTR - Manual (Page 39)

Troubleshooting
Chapter 6
6–2
Symptom Probable Causes Possible Solutions
Data counts to small value,
then jumps to zero
Continuous BTW Reset Check ladder program to be sure that
the block transfer write is not causing
continuous resets of the totalizer(s)
Rates and counts from one
input appear in more than
one channel position in the
data table
Wiring reversal of + and - inputs Refer to wiring diagrams