Siemens SINAMICS G130 - Stall Protection (Only for Vector Control)

Functions, monitoring, and protective functions
9.4 Monitoring and protective functions
Inverter chassis units
480 Operating Instructions, 07/2016, A5E00331449A
9.4.4
Stall protection (only for vector control)
Description
If, for closed-loop speed control with encoder, the speed threshold set in p1744 for stall
detection is exceeded, then r1408.11 (speed adaptation, speed deviation) is set.
If the fault threshold value set in p1745 is exceeded when in the low speed range (less than
p1755 x (100% - p1756)), r1408.12 (motor stalled) is set.
If one of these two signals is set, then after the delay time in p2178, fault F07902 (motor
stalled) is returned.
Figure 9-28 Stall protection
Function diagram
FP 6730
Vector control
- Interface to Motor Module (ASM, p0300 = 1)
FP 8012
Messages and monitoring - Torque messages, motor blocked/stalled
Parameter
•
r1408
CO/BO: Control status word 3
•
p1744
Motor
model speed threshold stall detection
•
p1745
Motor model error threshold stall detection
•
p1755
Motor model changeover speed encoderless operation
•
p1756
Motor model changeover speed hysteresis encoderless operation
•
p2178
Motor stalled delay time