107
Reference Manual
00809-0300-4750, Rev CA
Advanced Configuration Functionality
March 2016
Advanced Configuration Functionality
5.4.2
Process density
Use the
process density
value to convert from a volumetric flow rate to a mass flow rate using
the following equation:
Qm = Qv x
p
Where:
Qm is the mass flow rate
Qv is the volumetric flow rate, and
p
is the fluid density
5.4.3
Reverse flow
Use
reverse flow
to enable or disable the transmitter's ability to read flow in the opposite
direction of the flow direction arrow (see
). This may occur when the
process has bi-directional flow, or when either the electrode wires or the coil wires are
reversed (see
). This also enables the totalizer to count in the
reverse direction.
5.4.4
Low flow cutoff
Low flow cutoff
allows the user to set a low flow limit to be specified. The analog output
signal is driven to 4mA for flow rates below the set point. For the Field Mount Transmitter,
the
low flow cutoff
units are the same as the PV units and cannot be changed. For the Wall
Mount Transmitter, the low flow cutoff units are feet per second and cannot be changed.
The
low flow cutoff
value applies to both forward and reverse flows.
LOI menu path
Field Mount: Detailed Setup, More Params, Proc Density
Wall Mount: AUX. FUNCTION
Traditional Fast Keys
1,4,3,1
Device dashboard
2,2,8,2
LOI menu path
Field Mount: Detailed Setup, Output Config, Reverse Flow
Wall Mount: AUX. FUNCTION
Traditional Fast Keys
1, 4, 3, 1
Device dashboard
2, 2, 5, 1, 5
LOI menu path
Field Mount: Detailed Setup, Sig Processing, Low Flow Cutoff
Wall Mount: AUX. FUNCTION
Traditional Fast Keys
1, 4, 4, 4
Device dashboard
2, 2, 8, 5, 2
Содержание Rosemount 8750W
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