Operators Handbook DCU3 – System
6., Main function „Control Loops“
BAEDCU3 - Rev. 4.6 - 0504
6 - 28
6.17.2 Operating
Display
Tag
Entry
Displayed value or function, required input
LEVHI
on / off
Signal of level sensor (on = level exceeds the limit)
MODE
Input of controller mode
off
−
controller off, harvest and feed pump off
auto
−
controller on
manual
−
manual access to controller output
PUMP
Feed /
Harvest
Selection of pump function
−
Either a pump for dosing or a harvest pump can be controlled
OUT
on /off
Output state (on=active), inputs only in mode „manual“
PULSE
m:s
Input of reset time for the pump in [minutes:seconds]
SENSI
low / high Setting of the sensitivity for the amplifier
DI ALARM
Enabling the display of digital input alarms
6.17.3 Operation
1.
Adjust the sensitivity of level sensor as low as possible to avoid unintended activation of
pump by foam. In addition the level amplifier acts using a delay time (5 sec.) to avoid unin-
tended activation of the level control due to splashing medium.
2.
Adjust the reset time of the pump (PULSE) so that the number of pump cycles is minimized.
6.17.4 Special
Notes
The dosing counter LEVEL will automatically be activated, whenever the modes „auto“ and
„manual“ are selected.
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