User Manual

CONNECTIONS
RED + 12 to 24 Vdc Power
BLACK - Power
GREEN + Pulse Output Isolated
WHITE - Pulse Output Isolated
ORANGE + 4-20 mA Isolated
BLUE - 4-20 mA Isolated
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Optional
STANDARD
GROUNDING
IDEAL GROUNDING
WITH METALLIC PIPING
To Earth Ground
To Earth Ground
GROUNDING and TROUBLESHOOTING
Problem
Probable Causes Try...
Analog output at 0 mA
Analog output is 4 mA
with ow
No pulse output
Flow rate incorrect
4-20 mA loop needs an external power
supply - if missing, add it
Connect to earth ground
Note ow direction arrow, reverse direction
to match
Change output connection
Connect to earth ground
Change ow direction
Check for proper grounding
Select another ow meter
Install meter in vertical position
No loop power
Unit not grounded
Flow reversed
Reversed output connections
Not grounded
Reversed ow
Missing or incorrect ground wire
Fluid conductivity <20 microSiemens/cm
Empty pipe
LT-65200187-C
12/3/09
Se a m etr i cs I n cor p ora t ed • 190 2 6 7 2 n d A v enu e Sou t h • Kent , Wa s hin g t on 9 803 2 • U S A
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TROUBLESHOOTING