Siemens SINUMERIK 840C Installation Instructions Manual page 459

7 Drive Machine Data (SIMODRIVE Drive MD)
7.1.2 MSD MD (data description - SW 3)
288
Integral-action time upper adaptation speed motor 2
Default value
80
Input of integral-action time for the upper adaptation speed. This machine data contains the
integral-action time at speeds above the value set in MD 284 (see diagram MD 203).
289
Default value
100
Input of integral-action time reduction factor for the upper adaptation speed. This machine data
contains the multiplication factor for the integral-action time characteristic (see diagram
MD 203).
290
Switching speed from M
Default value
4 x motor rated
speed
Input of speed at which switchover from the 1st torque limit (MD 269) to the 2nd torque limit
(MD 271) takes place. This switchover is implemented only if the appropriate bit has been set
in the control word and the switchover speed set in MD 290 has been exceeded.
291
Default value
Depends on motor
Input of maximum motor temperature. The value entered can be lower the maximum
temperature value calculated via the motor code number (MD 238) and motor data set. If the
specified temperature is exceeded, the "Motor overtemperature" prewarning is output after
approximately 30 s (provided it is activated) or the "Motor overtemperature" alarm given after
the delay set in machine data MD 65.
292
Switchover speed current controller adaptation motor 2
Default value
MD 232
Input of switchover speed for the current controller adaptation. The phase current controller
gain is adapted as a function of speed. The specified speed is the speed at which the phase
current controllers reach their maximum gain.
7–44
Lower input limit Upper input limit
5
Reduction factor reset time motor 2
Lower input limit Upper input limit
1
to M
d1
Lower input limit Upper input limit
Motor maximum
0
Maximum motor temperature motor 2
Lower input limit Upper input limit
0
Lower input limit Upper input limit
500
©
Siemens AG 1992 All Rights Reserved
Units
6 000 ms
Units
200
motor 2
d2
Units
rev/min
speed
Units
170 °C
Units
10 000 rev/min
6FC5197- AA50
SINUMERIK 840C (IA)
10.94
Active
at once
Active
at once
%
Active
at once
Active
at once
Active
at once