RMS621
6 Endress+Hauser
Steam applications
Input variables: flow, pressure, temperature1, (temperature2)
Flow
Pulse/PFM (e.g. Vortex)
Analog (e.g. Vortex) Differential pressure (e.g. orifice)
Flow input Flow input Special flow meters
Flow sensor: operating volume Flow sensor: operating volume Differential pressure/orifice.../steam
Terminal connection
– Flow transmitter with active signal: e.g. select terminal A10 and connect flow meter to terminal A10(+)/11(-).
– Flow transmitter with passive signal: e.g. select terminal A10 and connect flow meter to terminal A10(-)/82(+). Terminal 82 is 24 V sensor power supply.
K-factor Start value/end value: ... (m
3
/h) Start value/end value: ...(mbar)
Pressure
Select signal type and terminal connection and connect sensor (see example).
Type: Relative or absolute pressure?
Temperature
Select signal type and connect sensor(s) (see example). 2 temperature sensors are required for steam difference measurements.
Application
Application(1); medium: water/steam
Application: e.g. steam mass/heat
Steam type: e.g. superheated
Allocate sensors for flow, pressure and temperature measurement
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