Siemens SINUMERIK 840C Installation Instructions Manual page 532

Siemens computer drive installation instructions
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07.97
1405
Default value
110.0/100.0
Input as percentage of maximum permissible speed setpoint as limit value for speed setpoint
monitoring. Machine data "Speed for max. motor operational speed" (MD 1401) acts as the
reference value. A message is output when the monitoring speed is exceeded. The default
setting is dependent on the motor type (FDD ˆ =110, MSD ˆ =100) and is parameterized either by
means of Calculate controller data or by the drive configuration during start-up.
Note:
As from SW 6:
In addition to MD 1405, the speed limit parameterized in MD 1147 is also used for limiting the
speed setpoint value for MSD.
The speed setpoint limit (Nsetmax) can then be defined as follows:
N
=1.02 (minimum of MD 1146, MD 1147)
max1
N
=MD 1401 x MD 1405
max2
N
=Minimum of N
setmax
max1
1406
Default value
1
Input of speed controller type (PI controller) with speed setpoint smoothing (PI) or with
reference model (PIR). Variant 1 can be parameterized by setting the appropriate filter
machine data via a control structure.
Caution:
This machine data is relevant only for Siemens internal procedures.
1407
Default value
0.3
Input of P-gain of the speed control loop in the lower speed range (n < lower speed threshold
in MD 1411) or automatic parameterization (initialization) via operation "Calculate controller
data" for MSD. The P-gain values in the lower speed range (MD 1407) and the upper speed
range (MD 1408) are not subject to any mutual restrictions. See machine data "Adaptation
lower speed threshold" (MD 1411) for diagram.
Notes:
Before the P-gain is set to 0, the associated integral-action component (MD 1409) must be
deactivated to maintain controller stability.
MD 1407 is active over the entire speed range when the "Speed controller adaptation" is
deactivated (MD 1413 = 0).
©
Siemens AG 1992 All Rights Reserved
SINUMERIK 840C (IA)
Monitoring speed motor
Lower input value
Upper input value
100.0
, N
max2
Speed controller type
Lower input value
Upper input value
1
P-gain speed controller
Lower input value
Upper input value
0.0
6FC5197- AA50
7 Drive Machine Data (SIMODRIVE Drive MD)
7.3.2 Drive MD (data description)
110.0
1
100 000.0
Nm/s
Active
at once
Units
%
Active on
Power On
Units
Active
at once
Units
-1
7–117

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