beautypg.com

Function library, Acceleration, deceleration, braking, stopping – Lenze 8200 motec frequency inverter 0.25kW-7.5kW User Manual

Page 100

background image

Function library

Acceleration, deceleration, braking, stopping

7−29

L

EDB82MV752 EN 5.2

Fail−safe change of the direction of rotation

Link C0410/22 and C0410/23 with one digital signal source each.

If the direction of rotation is changed, the drive brakes along the quick stop ramp (C0105) and
accelerates along the acceleration ramp (C0012) in the other direction or rotation.

Direction of rotation with in−phase connection and HIGH active signal:

Direction of rotation

Signal level at

Notes

C0410/22
(DCTRL1−CW/QSP)

C0410/23
(DCTRL1−CCW/QSP)

CCW rotation

LOW

HIGH

CW rotation

HIGH

LOW

Quick stop

LOW

LOW

Unchanged

HIGH

HIGH

·

During operation: The direction of rotation results
from the signal which was active first.

·

When switching on the mains: The controller
activates quick stop (QSP).

)

Note!

In addition to the free configuration in C0410 you can also use the fixed assignment
in C0007 to link the "change direction of rotation" function with a digital input.