Table of Contents
Advertisement
Proline Prosonic Flow 91
Endress+Hauser
11.11 Group PROCESS PARAMETER
Functional description PROCESS PARAMETER
ON-VALUE LOW
Use this function to enter the switch-on point for low flow cut off.
FLOW CUT OFF
Low flow cut off is active if the value entered is not equal to 0. The sign of the flow value
is highlighted on the display to indicate that low flow cut off is active.
User input:
5-digit floating-point number, [unit]
Factory setting:
Depends on nominal diameter and country, [value] / [dm
Corresponds to the factory setting for the low flow → ä 103.
!
The appropriate unit is taken from the SYSTEM UNITS group.
The switch-off point is specified as a positive hysteresis from the switch-on point with
50%.
Q
t
H
a
b
c
1
2
Note!
Q
2
b
a
1
1
c
Flow [volume/time]
Time
Hysteresis
SWITCH-ON POINT LOW FLOW CUT OFF = 200 dm
Low flow switch-off point = 50%
Low flow cut off active
Low flow cut off is switched on at 200 dm
Low flow cut off is switched off at 300 dm
Description of device functions
3
3
to m
or US-gal]
2
H
t
c
3
/h
3
/h
3
/h
a0001245
85
Advertisement
Table of Contents
