Actual signals and parameters
112
63.15 TENSION MODE Selecting “CLOSE LP SPD” mode means the drive operates as a
speed controller with the output of the tension PI regulator adjusting
the speed. Depending on the status of 63.16 MODE TRANSITION, the
drive can also be switched to a torque controlled drive with no trim
function.
Selecting “OPEN LP TQ” mode means the drive operates as a torque
controller with no trim function. The torque reference is calculated
from 03.08 TENSION REF, 03.13 ROLL DIAMETER, 60.02 GEAR
RATIO, 63.17 STATIC FRICTION and 63.18…63.22 LINEAR
FRICTION.
Note: Open loop torque control is NOT the recommended method for
controlling web tension. The torque applied to the section is calculated
from input parameters. Torque requirements to maintain constant
tension vary based on mechanical and application characteristics.
Since actual tension feedback is not used in this mode, the drive will
not respond to unknown load changes. Therefore, precision may be
lost during the process.
Selecting “CLOSE LP TQ” mode means the drive operates as a torque
controller with the output of the tension PI regulator adjusting the
torque reference. The torque reference is calculated from 03.08
TENSION REF, 03.13 ROLL DIAMETER, 60.02 GEAR RATIO, 63.17
STATIC FRICTION and 63.18…63.22 LINEAR FRICTION. Depending
on the status of 63.16 MODE TRANSITION, the drive can also be
switched to a torque controlled drive with no trim function. “CLOSE LP
TQ” mode is recommended for precise web tension regulation.
Note: Regardless of which mode is selected, when 63.09 TENSION
CTL ENABLE is disabled, the drive is a speed controller.
CLOSE LP SPD Speed control with trim from tension transducer (if tension is enabled). 1
OPEN LP TQ Torque control with no tension transducer trim. 2
CLOSE LP TQ Torque control with trim from tension transducer (if tension is enabled). 3
63.16 MODE TRANSITION When the selected input is “1”, the mode selected in 63.15 TENSION
MODE switches to open loop torque. When the selected input is “0”,
the mode reverts back to its original selection.
Note: Tension control must be enabled when using this mode; if it is
not, the drive is a speed controller.
NOT SEL Mode transition is not selected. 1
DI1 (NO TRM) Digital input DI1 = 1 switches the control to open loop torque (if tension
is enabled).
2
DI2 (NO TRM) See selection DI1 (NO TRM). 3
DI3 (NO TRM) See selection DI1 (NO TRM). 4
DI4 (NO TRM) See selection DI1 (NO TRM). 5
DI5 (NO TRM) See selection DI1 (NO TRM). 6
DI6 (NO TRM) See selection DI1 (NO TRM). 7
DI7 (NO TRM) See selection DI1 (NO TRM). 8
DI8 (NO TRM) See selection DI1 (NO TRM). 9
DI9 (NO TRM) See selection DI1 (NO TRM). 10
DI10 (NO TRM) See selection DI1 (NO TRM). 11
D11 (NO TRM) See selection DI1 (NO TRM). 12
DI12 (NO TRM) See selection DI1 (NO TRM). 13
No. Name/Value Description FbEq
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