Siemens SINAMICS G120 List Manual page 167

p0857 Power unit monitoring time / PU t_monit
Access level: 3
Can be changed: T
Unit group: -
Min
100.0 [ms]
Description: Sets the monitoring time for the power unit.
The monitoring time is started after an 0/1 edge of the ON/OFF1 command. If the power unit does not return a
READY signal within the monitoring time, fault F07802 is output.
Dependency: Refer to: F07802, F30027
Notice: The maximum time to precharge the DC link is monitored in the power unit and cannot be changed. The maximum
precharging duration depends on the power unit.
The monitoring time for the precharging is started after the ON command (BI: p0840 = 0/1 signal). Fault F30027 is
output when the maximum precharging duration is exceeded.
Note: The factory setting for p0857 depends on the power unit.
The monitoring time for the ready signal of the power unit includes the time to precharge the DC link and, if relevant,
the de-bounce time of the contactors.
If an excessively low value is entered into p0857, then after enable, this results in the corresponding fault.
p0858[0...n] BI: Unconditionally close holding brake / Uncond close brake
Access level: 3
Can be changed: T
Unit group: -
Min
-
Description: Sets the signal source for the command "unconditionally close holding brake".
Dependency: Refer to: p0855
Note: The signal via BI: p0858 (unconditionally close holding brake) has a higher priority than via BI: p0855 (unconditionally
open holding brake).
For a 1 signal via BI: p0858, the command "unconditionally close the holding brake" is executed and internally a zero
setpoint is entered.
p0860 BI: Line contactor feedback signal / Line contact feedb
Access level: 3
Can be changed: T
Unit group: -
Min
-
Description: Sets the signal source for the feedback signal from the line contactor.
Recommendation: When the monitoring is activated (BI: p0860 not equal to r0863.1), then to control the line contactor, signal BO:
r0863.1 of its own drive object should be used.
Dependency: Refer to: p0861, r0863
Refer to: F07300
Notice: The line contactor monitoring is deactivated if the control signal of the particular drive object is set as the signal
source for the feedback signal of the line contactor (BI: p0860 = r0863.1).
Note: The state of the line contactor is monitored depending on signal BO: r0863.1.
When the monitoring is activated (BI: p0860 not equal to r0863.1), fault F07300 is then also output if the contactor is
closed before it is controlled using r0863.1.
SINAMICS G120 CU250S-2 Control Units
List Manual, 09/2017, A5E33842890
Calculated: -
Scaling: -
Unit selection: -
Max
60000.0 [ms]
Calculated: -
Scaling: -
Unit selection: -
Max
-
Calculated: -
Scaling: -
Unit selection: -
Max
-
2 Parameters
2.2 List of parameters
Data type: FloatingPoint32
Dyn. index: -
Func. diagram: 8760, 8864, 8964
Factory setting
10000.0 [ms]
Data type: U32 / Binary
Dyn. index: CDS, p0170
Func. diagram: 2501, 2701
Factory setting
0
Data type: U32 / Binary
Dyn. index: -
Func. diagram: 2634
Factory setting
863.1
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