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5.1.5
Output values
The output values can be obtained from the following sources:
Frequency values [Hz]
Q.8900
-
Output frequency of controller
Percentages [%]
Q.8940
–
Current control difference
5.2
Diameter calculator
The function block for diameter calculation can determine the diameter either via a sensor or from the
line speed and winding diameter. The relevant operation mode is selected via Parameter
Mode Diam-
eter Calculator
880
:
Parameter
Unit
Setting range
Default settings
No.
Identifier
880
Mode Diameter Calculator
-
0, 1, 10
0 - Off
Operation Modes of Parameter 880
0 - off
Diameter Calculator is off
1 - Sensor
Diameter is measured by a sensor.
10 - Estimation
The diameter is calculated from the line speed and the
winding speed.
5.2.1
Parameters for both operation modes
Diameter
Parameters
Dmin
887
and
Dmax
888
define the minimum and maximum winding diameter. The
determined diameter is limited internally to the range between the values set here. It is displayed
without filter in actual value parameter
Actual Value Diameter Dact
841
.
Parameter
Unit
Setting range
Default settings
No.
Identifier
887
Dmin
mm
1 .. 2000
85
888
Dmax
mm
1 .. 65535
600
11/13
ACU
Winding Drive
27
Release
The actual diameter value is determined only if the logic source selected in Parameter
Enable Diame-
ter Calculation
881
has value TRUE.
Parameter
Unit
Setting range
Default settings
No.
Identifier
881
Enable Diameter Calculation
-
Sources logic table
161 - Run Signal
Gear box at winder drive
With Parameters
Gear Box: Driving Shaft Revolutions
896
and
Gear Box: Motor Shaft Revolu-
tions
897
, a gear box at the winder drive can be considered.
Parameter
Unit
Setting range
Default settings
No.
Identifier
896
Gear Box: Driving Shaft Revolutions
-
1 .. 65535
1
897
Gear Box: Motor Shaft Revolutions
-
1 .. 65535
1
Filtering the diameter
With Parameter
Filter time constant
895
, you can set up a PT1 filter. This filter can be applied to the
diameter to obtain filtered diameters.
Parameter
Unit
Setting range
Default settings
No.
Identifier
895
Filter time constant
ms
8 .. 32000
32
It must be noted that the filters for the analog inputs are active, too. Thus, the per-
centage used for calculation of the diameter is already filtered.
Error message diameter is above/below given diameter value
With Parameter
Mode Diameter Limit Message
898
, you can set if a message is to be generated
when the diameter is above/below the diameter value set in Parameter
Limit Diameter Message
891
.
If the diameter is above/below the required value, a message is generated via sources
Q.8925
and
Q.8926
, if applicable, in order to announce that the coil has to be replaced, for example.
Q.8925
refers to the unfiltered diameter,
Q.8926
to the filtered diameter.
Parameter
Unit
Setting range
Default settings
No.
Identifier
898
Mode Diameter Limit Message
-
0, 1, 2
0 - Off
891
Limit Diameter Message
mm
5 .. 65530
90
Operation Modes of Parameter 898
0 - off
No message if value is below/above Parameter
891
.
1 - Message below Limit
Message is generated if value is below Parameter
891
.
2 - Message above Limit
Message is generated if value is above Parameter
891
.
28
ACU
Winding Drive
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