Actual signals and parameters
108
63 TENSION CONTROLS
Tension control and PI regulator setup.
Note: This group is hidden unless a Tension macro is selected.
63.01 P-GAIN 1 MIN This parameter sets the immediate reaction step of the PI regulator.
63.01 P-GAIN 1 MIN sets the gain at 65.01 MIN CORE DIAMETER;
the gain is linear between 63.01 P-GAIN 1 MIN and 63.02 P-GAIN 1
MAX. Typically, 63.02 P-GAIN 1 MAX is set larger to compensate for
the increased inertia of larger roll diameters.
The default values give a good starting point for the gain and they
should not be modified until the correct diameter is on the machine
and the machine is running. For example, do not adjust 63.02 P-GAIN
1 MAX when the roll is around core. Likewise, do not adjust 63.01 P-
GAIN 1 MIN when the roll is built up. Note that too large of a gain
could lead to instability.
0.01…1000.00 K Setting range. 100 = 1 K
63.02 P-GAIN 1 MAX See 63.01
P-GAIN 1 MIN…1000.00 K Setting range. 100 = 1 K
63.03 INTEG TIME 1 The default value gives a good starting point for the integration time of
the PI regulator. A lower integration time results in a more responsive
system; however, too low of an integration time can lead to instability.
10…10000 ms Setting range. 1 = 1 ms
63.04 ZERO INTEG TIME Selects the activation signal source for forcing the integration time of
the tension PI regulator to zero. The PI controller will just become a P
controller
NOT SEL Function not selected. 1
DI2 Digital input DI2 = 1 forces the integration time to zero. 2
DI3 See selection DI2. 3
DI4 See selection DI2. 4
DI5 See selection DI2. 5
DI6 See selection DI2. 6
DI7 See selection DI2. 7
DI8 See selection DI2. 8
DI9 See selection DI2. 9
DI10 See selection DI2. 10
DI11 See selection DI2. 11
DI12 See selection DI2. 12
FIELDBUS See selection DI2. Instead of a digital input, the command comes from
06.03 DATASET 1 WORD 3 bit 03. See chapter Fieldbus control.
13
No. Name/Value Description FbEq
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