Table 8-5 Parameter - Siemens Sinamics GM150 6SL3835-2LN44-2AA0 Operating And Installation Instructions

To subsequently reverse the phase sequence, you must interchange the motor cables or enter
a negative setpoint. A direction reversal cannot be achieved with parameter settings. Direction
of rotation changeover is initiated as follows:
● Controlled via PROFIBUS using control word 1, bit 11
● Controlled from the cabinet operator panel ("LOCAL mode" function) with the "direction of
Table 8-5
Parameter
p1110
p1111
p1113
For further information, see the function diagram 3040.
Skip frequency bands and minimum speed
Variable-speed drives can generate critical whirling speeds within the control range of the
entire drive train. This prevents steady-state operation in their proximity, that is,
the range of critical whirling speeds can still be passed through. The drive, however, must not
remain here because this can cause excitation of the sympathetic oscillations.
The suppression bandwidths allow this range to be blocked for steady-state operation.
Because the points at which critical whirling speeds occur in a drive train can vary depending
on age or thermal factors, a broader control range should be blocked. To ensure that the speed
does not constantly increase and decrease in the suppression bandwidth (speeds), the bands
are assigned a hysteresis.
Specify a minimum speed in order to block a specific range around the stopped state for
stationary operation.
Table 8-6
Parameter
p1091
p1092
p1093
p1094
p1101
p1080
r1112
You can find additional information in function diagrams 1550 and 3050.
SINAMICS GM150 6SL3835-2LN44-2AA0
Operating Instructions Rev.201910281250 MUSTER
rotation changeover" key.
Parameter
Setting
Inhibit negative direction
Inhibit positive direction
Direction of rotation reversal
Parameter
Setting
Suppression speed 1
Suppression speed 2
Suppression speed 3
Suppression speed 4
Suppression speed bandwidth
Minimum speed
Speed setpoint after minimum limiting
Operation
8.5 Functions
145