Diagnosis
Parameter manual b maXX BM3000
Document no.: 5.12001.07 Baumüller Nürnberg GmbH
694
of 820
4.9
This speed threshold must be adapted depending on the motor or encoder system (es-
pecially at resolver). The threshold must be higher than the variation of the speed actual
value in standstill.
An adjustable hysteresis (Z138.28–) is used for the condition speed controller at current
limit. In particular at motors with resolver and at little speed set value it can be necessary
to adapt this hysteresis because the speed controller is possibly not permanently at the
current limit.
The clock of the blockage monitoring is 2 ms.
6.21 Blockade time limit 1
Warning threshold for the time of blockage monitoring.
If the conditions for blocking have been met, a warning (Code No. 209) will be triggered
upon expiration of the set blockade time limit 1. If the conditions for blocking are no longer
met, the warning 209 will be canceled by the controller.
6.22 Blockade time limit 2
Error threshold for the time of blockage monitoring.
If the conditions for blocking have been met, the error (Code No. 210) will be triggered
upon expiration of the set blockade time limit 2.
Blockage monitoring will be deactivated when this parameter is set to 0.
6.25 Power unit peak current
This parameter serves as a display of the peak current (Z129.16– to Z129.19–), if the Ixt
model for the PU overload monitoring is used or Z129.85– to Z129.88–, if the tempera-
ture model is used instead. See PU temperature model state (Z175.2– Bit 0) depending
on the PWM frequency Z130.15–.
6.26 Power unit nominal current
This parameter is used to display the nominal current of the power unit (Z129.12–,
Z129.13–, Z129.14– or Z129.15–) depending on the PWM frequency Z130.15–.
6.27 Power unit Ixt actual value
This parameter displays the current Ixt value of PU overload monitoring. The current will
be limited to the power unit nominal current with a value of 100%.
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