Siemens SINUMERIK 840Di - Drive Optimization

06.03
10.5 Axes and spindles
10-326
 Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
If you use DSC, a speed setpoint filter for rounding the speed setpoint steps is
no longer necessary. The speed setpoint filter is then only of any use with differ-
ence injection to support the position controller, for example, to suppress reso-
nance.
DSC is only possible in conjunction with the motor measuring system.
Table 10-26 DSC: Machine data
Number Identifier Name Ref.
Axis-specific ($MA_ ...)
32640 STIFFNESS_CONTROL_ENABLE dyn. stiffness control DD2
32200 POSCRTL_GAIN KV factor G2
10.5.9 Drive Optimization
Optimization of the control loop (current, speed, and position control loop) of the
drives can be performed with:
 HMI Advanced (see Chapter 13, page 13-417)
– All drives
 Start-up tool SimoCom U
– SIMODRIVE 611 universal/E
– SIMODRIVE POSMO CD/CA
– SIMODRIVE POSMO SI
Note
You will find detailed information about frequency measurement and optimiza-
tion of the SIMODRIVE 611 universal/E, POSMO CD/CA and SI drives in the
online help of the start-up tool SimoCom U under:
Menu command: Help > Help topics > Index
– Measuring function
– Optimization of speed control loop.
10.5.10 Rotary axes
A machine axis is parameterized as a rotary axis in
 MD 30300: IS_ROT_AX = 1 (rotary axis)
The machine data is a scaling machine data. A change results in a conversion
of all machine data of the machine axis with length-related units.
Speed setpoint
filter
Measuring system
Machine data
Rotary axes
10 NC Start-U
p
with HMI Advanced