2 Parameters
2.2 List of parameters
SINAMICS DCM
396
List Manual (LH8), 02/2015, 6RX1800-0ED76
Description:
Sets the times to control the reversing contactor to reverse the field for a 2-quadrant device with field reversal.
Index:
[0] = Field decay
[1] = Control new field contactor
[2] = Enable field firing pulses
[3] = After field build up before armature enable
Dependency:
Refer to: p50580, p50581, p50583, r53195
Note:
Re index 0:
Wait time for the field to decay before opening the actual field contactor.
When initiating an operation to reverse the field, after reaching I_Field (r52265) < I_Field_min (p50394), this wait time
expires before the actual field contactor is opened.
Re index 1:
Wait time before controlling the new field contactor.
After the actual field contactor has opened, this wait time expires before the field contactor is controlled for the "new"
field direction (the dropout delay time of the contactor used is generally higher than the closing delay time).
Re index 2:
Wait time before enabling the field firing pulses.
After controlling the field contactor for the "new" field direction, this wait time expires before the field firing pulses are
enabled. This time must be greater than the closing delay time of the contactor being used.
Re index 3:
Wait time after the field has been re-established before the armature is enabled.
After the field firing pulses have been enabled, the field current actual value I_field in the "new" field direction reaches
the value I_field (r52265) > I_field_set (r52268) * p50398/100%. This wait time then starts to run. After this expires,
the internal (armature) "operating enable for field reversal" is issued, and the drive is no longer held in operating state
o1.4.
After the field current has been re-established, this wait time allows the system to wait for the overshoot of the field
current actual value to end and therefore the overshoot of the EMF of the DC motor before armature operation is
enabled. This is intended to avoid armature overcurrents due to an excessively high EMF during an overshoot.
Description:
Sets the ON delay for the line contactor.
The switching on of the line contactor in relation to that of the auxiliaries is delayed by the time set here.
p50092[0...3]
Field reversal wait times / Field rev t_wait
DC_CTRL
Can be changed:
U, T
Calculated:
-
Access level:
2
Data type:
FloatingPoint32
Dyn. index:
-
Func. diagram:
6920
P-Group:
-
Unit group:
-
Unit selection:
-
Not for motor type:
-
Scaling:
-
Expert list:
1
Min Max
Factory
setting
0.0 [s]
10.0 [s]
[0] 3.0 [s]
[1] 0.2 [s]
[2] 0.1 [s]
[3] 3.0 [s]
p50093
Sequence control line contactor ON delay / Line cont t_ON
DC_CTRL
Can be changed:
U, T
Calculated:
-
Access level:
2
Data type:
FloatingPoint32
Dyn. index:
-
Func. diagram:
2651
P-Group:
-
Unit group:
-
Unit selection:
-
Not for motor type:
-
Scaling:
-
Expert list:
1
Min Max
Factory
setting
0.0 [s]
120.0 [s]
0.0 [s]
Summary of Contents for SINAMICS DCM
Page 1: ...s SINAMICS SINAMICS DCM List Manual 02 2015 Edition Answers for industry ...
Page 2: ......
Page 1192: ...A Appendix A 2 List of abbreviations SINAMICS DCM 1192 List Manual LH8 02 2015 6RX1800 0ED76 ...
Page 1202: ...Index SINAMICS DCM 1202 List Manual LH8 02 2015 6RX1800 0ED76 ...
Page 1203: ......
