Advanced commissioning
6.25 Monitoring the driven load
SINAMICS G115D distributed drive
Operating Instructions, 12/2020, FW V4.7 SP13, A5E48681219B-002
297
Parameters
Parameters Description
Setting
r0031
Torque actual value,
smoothed [Nm]
Displays the smoothed torque actual value.
p0311[0...n] Rated motor speed [rpm] Sets the rated motor speed.
Factory setting: 0
r0333[0...n] Rated motor torque [Nm] Displays the rated motor torque.
p1080[0...n] Minimum speed [rpm]
Sets the lowest possible motor speed.
Factory setting: 0
p1082[0...n] Maximum speed [rpm]
Sets the highest possible speed.
Factory setting: 1500
p1300[0...n] Open-loop/closed-loop
control operating mode
Sets the open and closed-loop control mode.
0: U/f control with linear characteristic (factory setting)
1: U/f control with linear characteristic and FCC
2: U/f control with parabolic characteristic
3: U/f control with parameterizable characteristic
4: U/f control with linear characteristic and ECO
5: U/f control for drives requiring a precise frequency (e.g. textiles)
6: U/f control for drives requiring a precise frequency and FCC
7: U/f control for a parabolic characteristic and ECO
19: U/f control with independent voltage setpoint
20: Speed control (encoderless)
22: Torque control (encoderless)
p2165[0...n] Load monitoring blocking
monitoring threshold,
upper [rpm]
Sets the upper speed threshold of the stall monitoring of
the pump or fan.
Factory setting: 0
p2168[0...n] Load monitoring blocking
monitoring torque
threshold [Nm]
Sets the torque threshold of the stall monitoring of the
pump or fan.
Factory setting: 10000000
p2181[0...n] Load monitoring re-
sponse
Sets the response when evaluating the load monitoring.
0: Load monitoring disabled (factory setting)
7: Pump/fan load monitoring as alarm (A07891, A07892, A07893)
8: Pump/fan load monitoring as fault (F07894, F07895, F07896)
p2182[0...n] Load monitoring speed
threshold 1 [rpm]
Sets the
speed/torque
envelope
curve for load
monitoring.
•
When using the control mode "U/f
control" (p1300 < 10): p2182 > 10% of
the rated speed
•
When using the control mode "en-
coderless vector control" (p1300 = 20):
p2182 > p1755 (switchover speed,
motor model)
Factory setting: 150
p2183[0...n] Load monitoring speed
threshold 2 [rpm]
Factory setting: 900
p2184[0...n] Load monitoring speed
threshold 3 [rpm]
Factory setting: 1500
p2186[0...n] Load monitoring torque
threshold 1, lower [Nm]
Factory setting: 0
p2188[0...n] Load monitoring torque
threshold 2, lower [Nm]
Factory setting: 0
p2190[0...n] Load monitoring torque
threshold 3, lower [Nm]
Factory setting: 0
p2191[0...n] Load monitoring torque
threshold, no load [Nm]
Sets the torque threshold to identify dry running operation
for pumps or belt breakage for fans.
Factory setting: 0
