Siemens SINUMERIK 840C Installation Instructions Manual page 932

12.93
12.18.13.2 Full start-up procedure
Step Action
1 Define position control
sampling time
2 Set drift compensation
(applies only to analog drives)
3 Carry out general optimization
of axes and spindles
4 Set feedforward control
5 Match dynamic response of
individual drives
6 Set the required machine
7 Optimize the compensatory
controller
8 Calculate the time constants
of the parallel model
9 Define the GI monitoring
tolerances according to
manufacturer's data
10 Check the GI programming
functions
11 Set the interlocks
© Siemens AG 1992 All Rights Reserved
SINUMERIK 840C (IA)
Important information
Following drive and
associated leading drives
must generally have the
same position control
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
data
Switch on link and FD overlay
Check synchronism error in
service display; deactivate
compensatory controller;
feedforward control must be
Check in service display (indi-
vidual spindle/individual axis)
Synchronism error
Activate/deactivate link;
on-the-fly synchronization
Interlocks, e.g. set
reconfiguration etc. (NC MD
6FC5197- AA50
12 Functional Descriptions
sampling times.
enabled
fully set
Configuration;
bits)
12.18.13 Start-up
12–157