6-92
Programming Your Application
590+ Series DC Digital Converter
TENS+COMP CALC.
Parameter
Tag
Range
TENS+COMP
478
0 to 639
(TENS+COMP CALC.)
The sum of the diameter-scaled TENSION DEMAND after the TENSION SCALER
scaling and the compensation losses. For open loop winder applications, connect this output
to the TORQUE DEMAND (Tag 432) in the TORQUE CALC. function block. (This output
is located in the SYSTEM::CONFIGURE I/O::BLOCK DIAGRAM menu).
INERTIA COMP O/P
485
xxx.xx %
Monitors the sum of all inertia compensations.
STATIC COMP
487
-300.00 to 300.00 %
Static friction compensation set-up parameter.
DYNAMIC COMP
488
-300.00 to 300.00 %
Dynamic friction compensation set-up parameter.
REWIND
489
DISABLED / ENABLED
Switches the sign of the friction compensations when the motor changes direction. Set to
DISABLED only when the winder reverses.
FIX. INERTIA COMP
479
-300.00 to 300.00 %
(FIX.INERTIA COMP)
Fixed inertia compensation set-up parameter.
VAR. INERTIA COMP
480
-300.00 to 300.00 %
(VAR.INERTIA COMP)
Variable inertia compensation set-up parameter.
ROLL WIDTH/MASS
481
0.00 to 100.00 %
Scales the inertia fixed and variable compensations based on roll width.
100% = maximum roll width.
LINE SPEED SPT
498
-105.00 to 105.00 %
Used to calculate the line speed acceleration rate value for the fixed and variable inertia
compensations.
FILTER T.C.
482
0 to 20000
The line speed acceleration rate value is calculated from the line speed input. The calculated
rate value may have a large ripple content that can disturb the motor torque. The rate signal
is therefore filtered, and this filter has a time constant set by this parameter.
RATE CAL
483
-100.00 to 100.00
Scales the inertia compensation acceleration/deceleration rate value to 100% of the
maximum line ramp rate. This parameter should be set to the maximum time required to
ramp from zero to full speed in seconds. If RATE CAL = 0.00, then this parameter is set
externally through NORMALISED dv/dt, otherwise, RATE CAL sets the inertia
compensation acceleration/deceleration rate.
Note - Inertia compensation does not work well for line ramp rates above 100 seconds and
therefore this parameter is limited to 100.00.
NORMALISED dv/dt
484
-300.00 to 300.00 %
Useful for large line ramp rates (>100 Secs). Tag an external signal to NORMALISED
dv/dt to set the inertia compensation acceleration/deceleration rate externally from the
drive. Useful for ramp rates exceeding 100 seconds. The external signal must be normalised
to 100% = the maximum line ramp rate. Active
only
when RATE CAL = 0.00.
TENSION SCALER
486
-3.0000 to 3.0000
Scales the TENSION DEMAND which is directly connected from the TAPER CALC.
function block.