Moeller DV6-340 Series - Page 170

01/02 AWB8230-1415GB
Other functions
167
The assigned external Braking resistor must not fall below the
following minimum values:
Connect the external braking resistor to terminals BR and DC+.
The maximum cable length between frequency inverter and
braking resistor must not be greater than five metres.
If you are using an external braking device, enter 0 % under
PNU b090 and remove any external braking resistors at terminals
BR and DC–.
Under PNU b095, specify when the built-in braking transistor is to
operate.
Under PNU b096, set the voltage threshold at which the built-in
braking transistor becomes active.
DV6-340- Assigned rating at 400 V Minimum resistance at DF
= 10 %
Minimum resistance at DF
= 100 %
kW O O
075 0.75 100 300
1K5
1.5 100 300
2K2
2.2 100 300
4K0 4.0 70 200
5K5
5.5 70 200
7K5 7.5 50 150
11K
11.0 50 150
PNU Name Adjustable in RUN mode Value Function WE
Normal Extended
b090 Relative permis-
sible duty factor of
the built-in braking
transistor
– j 0 to 100 % To deactivate the relative permissible duty factor of the
built-in braking transistor, enter 0 %.
0
b095 Enable built-in
braking transistor
– j 00 Do not enable braking transistor 00
01 Enable braking transistor in RUN mode
02 Always enable braking transistor
b096 Voltage threshold
of built-in braking
transistor
– j 660 to 760 V With PNU b095 = 01 or 02, the built-in braking tran-
sistor is switched in when the internal DC link voltage
reaches this value.
720
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