Siemens SINAMICS S120 Function Manual page 148

Servo control
4.12 Encoderless operation
Function diagrams (see SINAMICS S120/S150 List Manual)
• 5019
• 5050
• 5060
• 5210
Overview of important parameters (see SINAMICS S120/S150 List Manual)
• p0341[0...n]
• p0342[0...n]
• p0353[0...n]
• p0600[0...n]
• p0640[0...n]
• p0642[0...n]
• p1300[0...n]
• p1400[0...n]
• p1404[0...n]
• r1407.0...26
• p1470[0...n]
• p1472[0...n]
• p1498[0...n]
• p1517[0...n]
• p1612[0...n]
• p1755[0...n]
• p1756
"Moment of inertia estimator" function module
• p0108[0...n]
• p1400[0...n]
148
Servo control - Speed control and V/f control, overview
Servo control - Speed controller adaptation (Kp_n-/Tn_n adaptation)
Servo control - Torque setpoint, switchover control mode
Servo control - Speed controller without encoder
Motor moment of inertia
Ratio between the total and motor moment of inertia
Motor series inductance
Motor temperature sensor for monitoring
Current limit
Encoderless operation current reduction
Open-loop/closed-loop control operating mode
Speed control configuration
Encoderless operation changeover speed
CO/BO: Status word, speed controller
Speed controller encoderless operation P gain
Speed controller sensorless operation integral time
Load moment of inertia
Acceleration torque smoothing time constant
Current setpoint, open-loop control, encoderless
Motor model changeover speed encoderless operation
Motor model changeover speed hysteresis
Drive object function module
Speed control configuration
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
Drive functions