Dancer Controls - ABB ACS800 Series Firmware Manual

102
No. Name/Value
AI1
AI2
AI3
AI5
AI6
FIELDBUS
DI3, DI4
FBUS b4,5
PARAM 61.06
61.02 SPD MATCH W/TRIM
OFF DAN/TEN
ON DAN/TEN
61.03 SPD MTCH RANGE +/-
0...500%
61.04 DIGITL POT RATEms
100...32767 ms
61.06 SPD MTCH REF PTR
-255.255.31...+255.255.31
/ C.-32768...C.32767

62 DANCER CONTROLS

62.01 P-GAIN 1 MIN
0.01...1000.00 K
62.02 P-GAIN 1 MAX
P-GAIN 1 MIN...1000.00 K Setting range.
62.03 INTEG TIME 1
10...10000.00 ms
Actual signals and parameters
Description
Analog input AI1 (voltage).
Analog input AI2 (current).
Analog input AI3 (current).
Analog input AI5 (voltage or current).
Analog input AI6 (voltage or current).
06.06 DATASET 3 WORD 3. See chapter
Digital inputs DI3 and DI4 are used as a digital pot.
06.03 DATASET 1 WORD 3 bits 04 and 05 are used as a digital pot.
See chapter Fieldbus control.
Source selected by 61.06 SPD MTCH REF PTR.
Selects if core speed match is enabled when dancer or tension control
is active.
Function is disabled when dancer or tension control is active.
Function is enabled when dancer or tension control is active.
Maximum trim allowed. Example: If 10% is entered, a minimum input
(0 VDC / 0 mA) yields a –10% trim value. A maximum input (10 VDC /
20 mA) yields a +10% trim value.
Setting range. Typically 5%.
Rate of change for the Speed Match when Digital Inputs are selected
for the Speed Match Setpoint. The Digital Inputs act as an increase/
decrease setpoint adjustment: "Digital Pot".
Setting range.
Defines the source or constant for selection PARAM 61.06 of
SPD MTCH REF SEL; C10000 gives 0% trim.
Parameter index or a constant value. See
information on the difference.
Dancer control and PI regulator setup.
Note: This group is hidden unless a Dancer macro is selected.
Sets the immediate reaction step of the PI regulator. 62.01 P-GAIN 1
MIN sets the gain at 65.01
1 MAX sets the gain at 65.02
linear between these two points. Typically,
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
1 MAX when the roll is around core. Likewise, do not adjust 62.01 P-
GAIN 1 MIN when the roll is built up. Note that too large of a gain
could lead to instability.
Setting range.
See 62.01P-GAIN 1 MIN.
Integration time of the dancer PI regulator. 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.
Setting range.
Fieldbus control.
10.05 EXT1 STRT PTR for
MIN CORE DIAMETER and
MAX ROLL DIAMETER; the gain is
62.02 P-GAIN 1 MAX is set
FbEq
2
3
4
5
6
7
8
9
10
0
65535
1 = 1%
1 = 1 ms
61.01
-
62.02 P-GAIN
62.02 P-GAIN
100 = 1 K
100 = 1 K
1 = 1 ms