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See Pre-acts (General) on page 37 for details on the operational functions of pre-acts.
Learn Feature (Fill)
Pre-act 2 has a learn feature available which allows the Model 370/375 to adjust the final cutoff
based on changing environmental conditions. See Learn Feature (General) on page 37 for 'learn'
feature details.
Pause Feature (Fill)
The standard pause feature (keypress, remote key closure or both) is available for the fill
operation. See Pause Feature (General) on page 37 for 'pause' function details.
Changing Targets From The Weigh Mode (Fill)
When fill is configured in the setpoint setup, Targ1 automatically becomes an available mode for
the [SELECT] key. An entry followed by [TARE] or [SAMPLE/Enter] changes Targ 1. Pressing
[TARE] or [SAMPLE/Enter] alone allows access to the subsets. PA 1 and PA 2 are the subsets
for Targ 1. The pre-acts can be deleted as subsets by choosing 'disabled' at P5114 and P5115.
See Changing Targets from the Weigh Mode (General) on page 38 for instructions on changing
target values from the Weigh Mode.
Example (Fill)
With a system set up to fill 55-gallon drums with motor oil, the following settings might be used to
achieve an accurate final fill weight of 400 lbs.:
Parameter Setting Actual Cutoff Value Comments
Targ 1 = 400 Desired final weight.
Pre-act 1 = 28 400 – 28 = 372.0 Switch to dribble feed at 372.
Pre-act 2 = .5 400 – 0.5 = 399.5 Final fill valve closes at 399.5.
BATCH
The standard batch program is used for batching up to three separate items. Ingredients 1
through 3 use setpoints and pre-acts 1 through 3 respectively. Ingredients are batched one at a
time.
Table 3-7: Setpoint Setup (Batch)
Setpoint Selection Function Description
P5100.3 Batch 2 or 3 ingredient batching.
P5101.-- Targ1 Ingredient 1 target value.
P5104.0 Based Select from net or count (quantity).
P5105.-- PA 1 Pre-act 1 value (final cutoff for ingredient 1).
P5106.1 Learn 1 Learn feature for pre-act 1 enabled.
P5107.0 Start 1 Setpoint 1 activation method.
P5108.-- Targ 2 Ingredient 2 target value.
P5109.-- PA 2 Pre-act 2 value (final cutoff for ingredient 2).
P5110.1 Learn 2 Learn feature for pre-act 2 enabled.
P5111.0 Start 2 Setpoint 2 activation method.
P5116.1 Pause Keypad press invokes pause mode.
P5117.-- Targ 3 Ingredient 3 target value.
P5118.-- PrAc 3 Pre-act 3 value (final cutoff for ingredient 3).
P5119.1 Learn 3 Learn feature for pre-act 3 enabled.
P5120.0 Start 3 Setpoint 3 activation method.