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8.24.4
"Fine" set value for analogue output
The analog output of WP251 can be used for direct activation of a dosing element (e.g.
vibratory pan, pump, etc.).
The parameter "Fine set value for analogue output" is specified as a percentage (0...100%)
and references the range of the analog output set in DR 7 (0/4-20 mA).
As soon as WP251 shuts off the "Coarse signal" in weighing step 2 leaving only the "Fine
signal" active, the configured value is output as the analog output signal.
Example
"Fine" set value for analogue output (DR 25) = 30%
Range analog output (DR 7) = 0-20 mA
→ When only the "Fine signal" is still activated, 6 mA is output at the analog output.
8.24.5
Minimum automatic tare weight
This parameter defines a minimum weight that must be tared at the start of dosing. It applies
only when a dosing start with taring is set in DR 25.
The parameter can be used to prevent dosing from being started even though, for example,
no empty container is on the scale. In this case, the minimum tare weight should correspond
to the empty weight of the container to be filled.
8.24.6
Maximum automatic tare weight
This parameter defines a maximum weight that may be tared at the start of dosing. It applies
only when a dosing start with taring is set in DR 25.
The parameter can be used to prevent overfilling an already prefilled container.
8.24.7
Maximum weighing time
This parameter represents a timer that is started at the start of an automatic dosing cycle.
The setting is made in milliseconds (ms). If the dosing cycle has not yet finished after
expiration of the timer, WP251 outputs a corresponding technology message that has no
further effect on the running dosing cycle. The message serves only as information for the
operator.
SIWAREX WP251
Manual, 12/2015, A5E37203357A
Scale parameters and functions
8.24 DR 25 Dosing device parameters
129
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