Dwyer Instruments IEFB Series, Технические характеристики - Инструкция по установке и эксплуатации, Страница: 31 / 40

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D. Process Pressure Menu:
◦
Input the process pressure inside the pipe.
◦
Default: 232.060 PSI.
E. Energy Meter Summary Display:
◦
This screen shows a summary of the settings entered in the Energy
Meter configuration wizard.
10. Analog Configuration Wizard:
• Analog Output Setup Menu:
• This option determines the type of analog output from the meter.
• Default: Current 4-20 mA
11. Process Variable Menu:
• This option determines which variable is output on the analog signal.
• Default: Velocity
i
T
c o
T
c o
T
0
c o
ΔT
c o
ΔT
-ΔT +ΔT
Heating
Cooling
9. Energy Meter Configuration Wizard
A. Flow Meter Location Menu:
◦
Select the location of the flow meter in the inlet or outlet pipe.
◦
Default: Inlet.
B. RTD Location Mapping Menu:
◦
Select the location of each RTD in the inlet and outlet pipe.
◦
Default: RTD 1=Inlet, RTD 2=Outlet.
C. Heating Crossover Temperature Menu:
◦
Input the crossover temperature.
◦
Default: 77°F.
KEY
No energy recording
Heating T
i
> T
co
& T
i
> T
o
& ΔT > ΔT
co
Cooling T
i
< T
co
& T
i
< T
o
& ΔT < ΔT
co
T
co
= Cross over Temp = 25°C Default
ΔT
co
= Cross over Delta Temp = 0.5 K
T
i
= Inlet Temp
T
o
= Outlet Temp
ΔT = T
i
- T
o