7 .4 run switching i/o selections – KROHNE Summit 8800 Vol 2 User Manual
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08/2013 - MA SUMMIT 8800 Vol2 R02 en
SUMMIT 8800
RUN SWITCHING
07
Figure 129 Stream run switching valve control
Control run flow valve
If the flow control valve is to be controlled – yes or no
Run flow control reverse
If the flow control valve is permitted to work with reverse
flow
Run flow control keypad setpoint
User defined setpoint for flow
Run flow control Pband
Time based on present error
Run flow control Iaction
Accumulation of past errors
Run flow control Daction
Prediction of future errors
Run flow control minimum output level
Minimum flow output limit from valve
Run flow control maximum output level
Maximum flow output limit from valve
7 .4 Run switching I/O selections
Figure 130 Run switching digital input selection
Inputs required
Local > stream n > run switching > inlet / outlet / prover inlet valve
Run inlet open feedback
Open status received from the valve.
Run inlet close feedback
Closed status received from the valve.
Run inlet failure feedback
Failure indication received from the valve
Run inlet automatic feedback
Mode selection received from the valve