2 Parameters
2.2 List of parameters
SINAMICS G120 CU250S-2 Control Units
284
List Manual, 09/2017, A5E33842890
Is recommended that bit 7 is activated for applications that demand a high torque at low frequencies, and at the same
time require low speed gradients..
Adequate parameterization of the current setpoint must be ensured (p1610, p1611).
For bit 8 = 1: no influence on the functionality of bits 0, 1, 2
The following applies for sensorless vector control of induction motors:
Changeover into open-loop speed controlled operation is no longer dependent on the speed setpoint (except for
OFF3), but instead is essentially dependent on time condition p1758. As a consequence, a drive can be started or
reversed in closed-loop speed controlled operation with setpoints from an external control system, if these briefly lie
in the open-loop speed control range.
Description:
Displays the status of the motor model.
Dependency:
Not visible with application class: "Standard Drive Control" (SDC, p0096 = 1)
Note:
For bit 17:
Displays the enabled status of the rugged model feedback (p1784).
The feedback is used to increase the parameter ruggedness of the motor model and is effective in the operating
range of the two-component closed loop current control.
For bit 18:
Displays the status when enabling the differential current feedback in the current model for operation with encoder.
The function is automatically enabled with p1784 > 0 or p1731 > 0. The feedback is used for a rugged change
between the current model and complete machine model with active rugged model feedback and combination
current.
For bit 19:
Displays the currently active stator circuit feedback in current model operation.
For bit 20:
Displays the currently effective increase of the changeover limits by the value p1749 * p1755.
For bit 21:
For a blocked synchronous motor, the speed ramp-function generator is held in the open-loop speed controlled
operating range if the torque setpoint reaches the torque limit and the speed is less than the threshold value in
p2175.
r1751
Motor model status / MotMod status
Access level:
3
Calculated:
-
Data type:
Unsigned32
Can be changed:
-
Scaling:
-
Dyn. index:
-
Unit group:
-
Unit selection:
-
Func. diagram:
-
Min Max
Factory
setting
- - -
Bit field:
Bit
Signal name
1 signal
0 signal
FP
00
Controlled operation
Active
Inactive
6721
01
Set ramp-function generator
Active
Inactive
-
02
Stop RsLh adaptation
Yes
No
-
03
Feedback
Active
Inactive
-
04
Encoder operation
Active
Inactive
-
05
Holding angle
Yes
No
-
06
Acceleration criterion
Active
Inactive
-
07
Set angular integrator PMSM
Yes
No
-
08
Stop Kt adaptation PMSM
Yes
No
-
09
PolID active PMSM encoderless
Yes
No
-
10
I injection PMSM
Yes
No
-
11
Speed controller output cannot be set to
zero
Yes
No
-
12
Rs adapt waits
Yes
No
-
13
Motor operation
Yes
No
-
14
Stator frequency sign
Positive
Negative
-
15
Torque sign
Motor mode
Regenerative mode
-
16
Pulse injection active PMSM
Yes
No
-
17
Operation with rugged model feedback
Enabled
Inhibited
-
18
Operation of the current model with current
feedback
Enabled
Inhibited
-
19
Current feedback in the current model
Active
Inactive
-
20
Rugged increase of the changeover limits
Active
Inactive
-
21
Motor blocked (RFG stop) PMSM
No
Yes
-