Scale parameters and functions
8.23 DR 24 Controller and filter parameters
SIWAREX WP251
124 Manual, 12/2015, A5E37203357A
Controller deadband - upper limit
When proportional controller is activated, a deadband for the controller can be defined. If the
achieved final weight of a dosing (with check) is below the upper limit of the deadband, the
controller does not correct the shut-off points. If both limits are at zero, the controller corrects
after each checked dosing.
Controller deadband - lower limit
When proportional controller is activated, a deadband for the controller can be defined. If the
achieved final weight of a dosing (with check) is above the lower limit of the deadband, the
controller does not correct the shut-off points. If both limits are at zero, the controller corrects
after each checked dosing.
Reaction when max. corrective action is exceeded
This parameter defines the controller behavior when the maximum corrective action (DR 24)
is exceeded in a cycle. The following options are available:
Control is discontinued for this cycle.
1 (default) The controller controls with the maximum corrective action (DR 24)
Selection for dosing filter
For shut-off of the "coarse" and "fine" dosing signals, a separate signal branch with its own
filter settings can be specified. The following options are available:
The dosing signals are shut off based on net process value 1 (with filter from DR 3)
1 (default) The dosing signals are shut off according to net process value 2 (with filter from DR
Note
Standstill 1 and 2 always reference the gross process value 1 with filter settings from DR 3.
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