Siemens SINUMERIK 828D Function Manual page 1278

S1: Spindles
16.2 Operating modes
Servo parameter set
The relevant machine data from the servo parameter set are:
Machine data
MD31050 $MA_DRIVE_AX_RATIO_DENOM
MD31060 $MA_DRIVE_AX_RATIO_NUMERA
MD32200 $MA_POSCTRL_GAIN
MD32452 $MA_BACKLASH_FACTOR
MD32610 $MA_VELO_FFW_WEIGHT
MD32800 $MA_EQUIV_CURRCTRL_TIME
MD32810 $MA_EQUIV_SPEEDCTRL_TIME
MD32910 $MA_DYN_MATCH_TIME
MD36012 $MA_STOP_LIMIT_FACTOR
MD36200 $MA_AX_VELO_LIMIT
Other notes on the servo parameter set:
References:
Function Manual, Basic Functions; Velocities, Setpoint/Actual-Value System, Closed-Loop Control (G2)
Dynamic response
The dynamic limits of the axis stored in the machine data are applicable in axis operation.
The axis switches to the current feedforward control mode as designated by the MD and the commands FFWON
and FFWOF.
1278
Meaning
Measuring gear denominator
Numerator load gearbox
K factor
V
Weighting factor for backlash
Weighting factor for feedforward control
Equivalent time constant current control
loop for feedforward control
Equivalent time constant speed control
loop for feedforward control
Time constant for dynamic matching
Factor for exact stop coarse/fine and zero
speed control
Velocity monitoring threshold value
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Basic Functions