Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 138)

Publication 1758-UM002D-EN-P - October 2010
138 DataSite Flow Configuration Utility (DS FloConfig)
• Cut-off Differential
When the differential pressure is lower than the value entered in the
Cut-off Differential box, the DataSite controller will consider any flow
as inexistent.
There will be a cutoff alarm in the Meter Run window, and the flow
rates become zero when this happens.
• Tap Location
This is the location of the flange taps. It could be on the upstream or the
downstream of the orifice plate.
Orifice Plate Parameters for AGA3 Standard
• Orifice Material and Tube Material
Specify the material of the orifice plate and pipe tube by selecting it
from the drop-down lists. These three materials are listed:
– 304 and 316 stainless steel
– Carbon steel
– Monel
• Orifice Diameter
This is the inner diameter of the orifice plate measured at the reference
temperature specified in the Reference T box.