Siemens SIMATIC S5 Manual page 274

Start-Up
The following values are computed on the basis of this data:
Table 8-2. Formulas for Computing the Machine Data
Maximum velocity (speed)
mm
V [ / ] = x · n · ü
max min g 10V
Maximum deceleration rate b
mm
V [
max
mm
b [ / ] =
s 2
max
t
V
mm
max
mm
b [ / ] =
s 2
max
t · 60
Maximum following error s
mm
V [
max
s [mm] =
Kv
V
max
s [mm] =
Kv · 60
The following data is computed from the results of these calculations
Kv (gain) factor
1 /
[ ]
Kv s
8-8
The factor ü must be taken into account only
when it is not part of x
Take the time from the commissioning report
max
/ ] for the power section you are using.
60s
[s]
2
s
/ ]
60s
1
[ / ]
s
The gain factor depends on the design, dynamics
and disturbance variables (load variations)
affecting your drive. An optimum gain factor
cannot be ascertained until the system is actually
put into operation. A very low value (1 to 2
should be selected for start-up in order to avoid
damage.
IP 266
.
g
1
/s)
EWA 4NEB 812 6057-02