7 torque control with speed limitation, System modules – Lenze ECSCAxxx User Manual

Page 359

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System modules

MCTRL_MotorControl (node number 131)

Torque control with speed limitation

13

l

359

EDBCSXA064 EN 3.2

13.20.7

Torque control with speed limitation

Set MCTRL_bNMSwt_b = TRUE, in order to activate this function.

ƒ

For the speed limitation a second speed controller (auxiliary speed controller) is
connected.

ƒ

MCTRL_nMAdd_a acts as a bipolar torque setpoint.

ƒ

The speed controller 1 is used to make up the upper speed limit.
– The upper speed limit is specified by MCTRL_nNSet_a in [%] of n

max

(positive sign

for clockwise sense of rotation).

ƒ

The speed controller 2 (auxiliary speed controller) is used to make up the lower
speed limit.
– The lower speed limit is specified by MCTRL_nNStartLim_a in [%] of n

max

(negative

sign for anticlockwise sense of rotation).

ƒ

N

max

is selected via C0011. (

357)

(

Stop!

Use ...

ƒ

the upper speed limit for the clockwise sense of rotation (positive values)
only.

ƒ

the lower speed limit for the anticlockwise sense of rotation (negative
values) only.

Otherwise, the drive can run out of control!

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