Types Of Control; Speed Control With Torque; Limitation - Lenze L-force HighLine C 8400 Series Reference Manual

5.9.2

Types of control

The servo control can be operated in two different modes:
Speed control with torque limitation

Torque control with speed limitation


Tip!
A position-controlled application requires a speed control with torque limitation
(bTorquemodeOn = FALSE).
5.9.2.1 Speed control with torque limitation
A speed setpoint is selected and the drive system is operated in a speed-controlled manner.
The operational performance can be adapted in the following ways:
 Overload limitation in the drive train
– The torque is limited via the torque setpoint.
– The torque setpoint is identical to the value at the output of the speed controller,
nOutputSpeedCtrl.
– To avoid overload in the drive train, the torque in motor mode can be limited via the
nTorqueMotLimit_a process input signal, and the torque in generator mode can be
limited via the nTorqueGenLimit_a process input signal:
Identifier
DIS code | data type
nTorqueMotLimit_a
nTorqueGenLimit_a

Note!
To avoid instabilities during operation, the torque limit values are internally
processed as absolute values.
Firmware ≤ 11.00 - DMS 6.0 EN - 10/2011
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com
Information/possible settings
Torque limitation in motor mode
• Scaling: 16384 ≡ 100 % M
C00830/29 | INT
• Setting range: 0 ... +199.99 %
• If keypad control is performed: Parameterisable via C00728/1.
Torque limitation in generator mode
• Scaling: 16384 ≡ 100 % M
C00830/28 | INT
• Setting range: -199.99 ... 0 %
• If keypad control is performed: Parameterisable via C00728/2.
L
8400 HighLine C | Reference manual
(bTorquemodeOn = FALSE)
(bTorquemodeOn = TRUE)
(C00057)
max
(C00057)
max
Motor control (MCTRL)
Servo control (SC)
223