Efficient Networks Siemens Sinamics S120 - Manual (Page 57)

Extended setpoint channel
2.7 Direction of rotation limiting and direction of rotation changeover
Drive Functions
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
57
Display parameters
r1073[C] CO: Main setpoint effective
r1077[C] CO: Supplementary setpoint effective
r1078[C] CO: Total setpoint effective
Parameterization with STARTER
The "Speed setpoint" parameter screen is selected with the icon in the toolbar of the
STARTER commissioning tool:
2.7 Direction of rotation limiting and direction of rotation changeover
Description
A reverse operation involves a direction reversal. A direction reversal in the setpoint channel
can be triggered by selecting direction reversal p1113[CDS].
If, on the other hand, a negative or positive setpoint is not to be preselected via the setpoint
channel, this can be prevented via parameter p1110[CDS or p1111[CDS]. However, the
following settings for minimum speed (p1080) in the setpoint channel are still operative. With
the minimum speed, the motor can turn in a negative direction, although p1110 = 1 is set.
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Figure 2-6 Direction of rotation limiting and direction of rotation changeover