Inject Pressure limit
Information
Is only displayed if a servo valve for injection or an eletric injection unit is used.
Field Description
Use PID
When this option is selected, the pressure limit is regulated (PID),
otherwise it will be controlled.
P
The proportional part for the pressure limit controller is adjusted
here.
I The integral part for the pressure limit controller is adjusted here.
D
The differential part for the pressure limit controller is adjusted
here.
Hold
Field Description
Use PID
When this option is selected, the hold pressure is regulated (PID),
otherwise it will be controlled.
P
The proportional part for the hold pressure controller is adjusted
here.
I The integral part for the hold pressure controller is adjusted here.
D
The differential part for the hold pressure controller is adjusted
here.
Filter time
The filter time for the set value of hold controller is adjusted here
Decreasing the filter time leads to a faster control rise time.
At the same time, a decreasing filter time can lead to undershoot
resp. overshoot during hold process and furthermore to a degra-
dation of the part quality.
Backpressure
Field Description
Use PID
When this option is selected, the backpressure at plasticizing is
regulated (PID), otherwise it will be controlled (precondition for
control: Oil backflow at linear screw movement in backward direc-
tion must be throttled by an electro-magnetically activated propor-
tional valve).
This setting cannot be deactivated on electric machines.
P
The proportional part for the back pressure at plasticizing is ad-
justed here.
I
The integral part for the back pressure at plasticizing is adjusted
here.
D
The differential part for the back pressure at plasticizing is adjusted
here.
KePlast.HMI.KVB Description of the operating masks
© KEBA 2016
User's manual V3.05 99
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