Hardy HI 1756-nDF User Manual

Page 35

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31

Chapter 4

Parameter
Name

Parameter
Number

Parameter
Default

Description

Flow Rate
Units

11.0

0

Flow Rate options

Ref#

FR unit of time

0

seconds

1

minutes

2

hours

Flow Rate
Period

12.0

0

Used to set when the flow rate calculation
is active. When set to 0 (default), the flow
rate calculation continuously runs, and
when set to 1 the flow rate calculation is
run only during a fill cycle.

steady period

13.0

128

When this value is set to zero the steady
weight algorithm is bypassed and the
weight data value is used directly.

The steady weight algorithm is enabled
when a non-zero value is entered. The non-
zero value sets the maximum period used
to generate the steady weight output.

The valid array sizes are 16, 32, 64, and
128 (default).

auto preact
enable

14.0

0

Configures the auto preact function.

When set to 0 (default) the auto_preact is
disabled and the preact value must be
entered through the output table.

If this value is set to 1the auto_preact
function is enabled and the preact value
from the output table is ignored; and any
changes to the target weight during a feed
cycle are also ignored. This ensures that
the auto_preact can converge towards a
fixed target weight.

Any transition to 0 causes the current state
of the auto_preact function to be held. If
the auto_preact is not reset through the
command interface, and this value is set
high the auto_preact function continues as
if there was no interruption. It is therefore
strongly recommended that this value is
only changed between filler/dispense
cycles.

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