Rice Lake Static Weighing User Manual

Page 24

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20

CW-90/90X Checkweigher

DFLTR 1-3

4
8
16
32
64
128
256
1
2

Selects the digital filtering rate used to reduce the effects of mechanical vibration from the
immediate area of the scale. The overall filtering effect can be expressed by adding the
values assigned to the three filter stages:
DFLTR1 + DFLTR2 + DFLTR3
See Section 9.5 on page 62 for information on digital filtering.

Choices indicate the number of A/D conversions per update that are averaged to obtain the
displayed reading. A higher number gives a more accurate display by minimizing the effect of
a few noisy readings, but slows down the settling rate of the indicator.

DFSENS

2OUT
4OUT
8OUT
16OUT
32OUT
64OUT
128OUT

Digital filter cutout sensitivity. Specifies the number of consecutive readings that must fall
outside the filter threshold (DFTHRH parameter) before digital filtering is suspended.

DFTHRH

NONE
2D
5D
10D
20D
50D
100D
200D
250D

Digital filter cutout threshold. Specifies the filter threshold, in display divisions. When a
specified number of consecutive scale readings (DFSENS parameter) fall outside of this
threshold, digital filtering is suspended. If NONE is selected, the filter is always enabled.

TAREFN

BOTH
NOTARE
PBTARE
KEYED

Enables or disables push-button and keyed tares. Possible values are:

BOTH: Both push-button and keyed tares are enabled.
NOTARE: No tare allowed (gross mode only)
PBTARE: Push-button tares enabled
KEYED: Keyed tare enabled

PWRUPM

GO
DELAY

Power up mode. In GO mode, the indicator goes into operation immediately after a brief
power up display test.

In DELAY mode, the indicator performs a power up display test, then enters a 30-second
warm up period. If no motion is detected during the warm up period, the indicator becomes
operational when the warm up period ends; if motion is detected, the delay timer is reset
and the warm up period repeated.

ACCUM

OFF
ON

Accumulator. Specifies whether the scale accumulator is enabled. If enabled, accumulation
occurs whenever a print operation is performed. Scale must return to zero to re-arm a new
print.

VISIBL

ON
OFF

Scale visibility. Specifies whether weight data is displayed. Status annunciators, under/
accept/over lights remain on in weigh mode even if VISIBL is set to OFF.

THRESH

0

Enter a value to be used as display divisions. Zero threshold allows you to select a threshold
or reset point where automatic printing functions reset themselves to be retriggered. When
a display division value is entered, anything that would normally require the scale to reach
zero before it happens/rearms (except for LFT parameters) now only needs to go below this
display division value and then above it again.

Note

If checkweighing is used, THRESH should be less than the under value or
it can disable the digital I/O points from tripping.

SCALE Menu

Parameter

Choices

Description

Table 3-4. Scale Menu Parameters (Continued)

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