Siemens SINUMERIK 840C Installation Instructions Manual page 932

12.93
12.18.13.2 Full start-up procedure
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SINUMERIK 840C (IA)
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Action
Define position control
sampling time
Set drift compensation
(applies only to analog drives)
Carry out general optimization
of axes and spindles
Set feedforward control
Match dynamic response of
individual drives
Set the required machine
data
Optimize the compensatory
controller
Calculate the time constants
of the parallel model
Define the GI monitoring
tolerances according to
manufacturer's data
Check the GI programming
functions
Set the interlocks
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Important information
Following drive and
associated leading drives
must generally have the
same position control
sampling times.
Deactivate feedforward
control and link beforehand
Servo gain factor must be
correct (following error check)
Check effect of feedforward
control on the following error
With setpoint links, the
leading and following drives
must have the same dynamic
response (rise time).
Initial configuration must be
enabled
Switch on link and FD overlay
Check synchronism error in
service display; deactivate
compensatory controller;
feedforward control must be
fully set
Check in service display (indi-
vidual spindle/individual axis)
Synchronism error
Configuration;
Activate/deactivate link;
on-the-fly synchronization
Interlocks, e.g. set
reconfiguration etc. (NC MD
bits)
6FC5197- AA50
12 Functional Descriptions
12.18.13 Start-up
12–157