Drive Unit Reset / Drv_Unit Reset - Siemens SINAMICS DCM List Manual

Value: 0:
1:
Dependency: Refer to: p0977, r3996
Notice: The Control Unit power supply may only be powered down after data has been saved (i.e. after data save has been
started, wait until the parameter again has the value 0).
Writing to parameters is inhibited while saving.
The progress while saving is displayed in r3996.
Note: Starting from the particular drive object, the following parameters are saved:
CU3xx: Device-specific parameters and PROFIBUS device parameters.
Other objects: Parameters of the actual object and PROFIBUS device parameters.
Prerequisite:
In order that the parameter of a drive object, saved with p0971 = 1, is read the next time that the Control Unit is
booted, then all parameters must, as a minimum, have first been saved once with p0977 = 1.
p0972

Drive unit reset / Drv_unit reset

CU_DC, CU_DC_R, Can be changed: U, T
CU_DC_R_S,
Data type: Unsigned16
CU_DC_S
P-Group: -
Not for motor type: -
Min
0
Description: Sets the required procedure to execute a hardware reset for the drive unit.
Value: 0:
1:
2:
3:
Danger: It must be absolutely ensured that the system is in a safe condition.
The memory card/device memory of the Control Unit must not be accessed.
Note: If value = 1:
Reset is immediately executed and communications interrupted.
After communications have been established, check the reset operation (refer below).
If value = 2:
Help to check the reset operation.
Firstly, set p0972 = 2 and then read back. Secondly, set p0972 = 1 (it is possible that this request is possibly no
longer acknowledged). The communication is then interrupted.
After communications have been established, check the reset operation (refer below).
If value = 3:
The reset is executed after interrupting cyclic communication. This setting is used to implement a synchronized reset
by a control for several drive units.
If cyclic communication is not active, then the reset is immediately executed.
If the cyclic communication is active for both PROFIdrive interfaces, then the reset is executed after completing both
cycle communications.
After communications have been established, check the reset operation (refer below).
To check the reset operation:
After the drive unit has been restarted and communications have been established, read p0972 and check the
following:
p0972 = 0? --> The reset was successfully executed.
p0972 > 0? --> The reset was not executed.
SINAMICS DCM
List Manual (LH8), 02/2015, 6RX1800-0ED76
Inactive
Save drive object
Inactive
Hardware-Reset immediate
Hardware reset preparation
Hardware reset after cyclic communication has failed
Calculated: -
Dyn. index: -
Unit group: -
Scaling: -
Max
3
2 Parameters
2.2 List of parameters
Access level: 1
Func. diagram: -
Unit selection: -
Expert list: 1
Factory setting
0
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