Description of the Software Modules and Parameters
Parameter manual b maXX BM3000
Document no.: 5.12001.07
107
of 820
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130.36 Relative Udc threshold for mains failure
Relative threshold for the mains failure detection. The threshold is related to the automat-
ically determined nominal voltage of the DC link displayed in Z130.39–.
As soon as the DC link voltage falls below this threshold, this is regarded as mains failure.
This threshold is only active if mode 1 is selected in Z130.35– Mains failure detection
mode.
130.37 Udc threshold for mains failure
Absolute threshold for the mains failure detection.
As soon as the DC link voltage falls below this threshold, this is regarded as mains failure.
This threshold is only active if mode 2 is selected in Z130.35– Mains failure detection
mode.
130.38 Udc hysteresis for mains failure
Hysteresis for the mains failure detection by means of the DC link voltage.
130.39 Udc autodetect
Automatically determined nominal voltage of the DC link.
130.41 Instantaneous PWM frequency
From controller version V01.09. onwards.
Display parameter of the instantaneous (operating) PWM frequency.
The instantaneous PWM frequency deviates from the set PWM frequency Z130.15–, if
the safety function of the PU temperature model "PWM reduction" has responded (warn-
ing 216 is triggered). In this case the PWM frequency referring to the set PWM frequency
(
Z130.15–) is halved.
The corresponding instantaneous (operating) cycle time of the current controller is dis-
played in parameter Z47.65–.
Of importance for devices, which support the PU temperature model, only (see status PU
temperature model
Z175.2–).
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