Nord Drivesystems BU 0500, User Manual

Page: 125 / 212

5 Parameters
BU 0500 EN-1516 125
Parameter
{factory setting}
Setting value / Description / Note Supervisor
Parameter
set
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P426
Quick stop time
(Quick stop time)
P
0 ... 320.00 sec
{ 0.10 }
Setting of the stop time for the fast stop function which can be triggered either via a digital input,
the bus control, the keyboard or automatically in case of a fault.
Emergency stop time is the time for the linear frequency decrease from the set maximum
frequency (P105) to 0Hz. If an actual setpoint <100% is being used, the emergency stop time is
reduced correspondingly.
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P427
Emergency stop on error
(Emergency stop on error)
S
0 ... 3
{ 0 }
Activation of automatic emergency stop following error
0 = OFF: Automatic emergency stop following error is deactivated
1 = Mains supply failure: Automatic emergency stop following mains supply failure
2 = In case of faults: Automatic emergency stop following fault
3 = Fault or mains failure: Automatic emergency stop in case of fault or mains failure
An emergency stop can be triggered by the errors E2.x, E7.0, E10.x, E12.8, E12.9 and E19.0 .
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P428
Automatic starting
(Automatic starting)
S P
0 ... 1
{ 0 }
In the standard setting (P428 = 0

Off ) the inverter requires a flank to enable (signal change
from "low

high") at the relevant digital input.
In the setting On

1 the FI reacts to a High level. This function is only possible if the FI is
controlled using the digital inputs. (see P509=0/1)
In certain cases, the FI must start up directly when the mains are switched on. For this P428 = 1

On can be set. If the enable signal is permanently switched on, or equipped with a cable
jumper, the FI starts up immediately.
NOTE: (P428) not "ON" if (P506) = 6, Danger! (See note on (P506))
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P429
Fixed frequency 1
(Fixed frequency 1)
P
-400.0 ... 400.0 Hz
{ 0.0 }
Following actuation via a digital input and enabling of the FI (right or left), the fixed frequency is
used as a setpoint. A negative setting value will cause a direction change (based on the
Enable
rotation direction P420 – P425, P470).
If several fixed frequencies are actuated at the same time, then the individual values are added
with the correct sign. This also applies to combinations with the jog frequency (P113), analog
setpoint (if P400 = 1) or minimum frequency (P104).
The frequency limits (P104 = f
min
, P105 = f
max
) cannot be over or undershot.
If none of the digital inputs are programmed for enable (right or left), the simple fixed frequency
signal results in an enable. A positive fixed frequency corresponds to a right enable, a negative to
a left enable.
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P430
Fixed frequency 2
(Fixed frequency 2)
P
-400.0 ... 400.0 Hz
{ 0.0 }
For a description of the function of the parameter, see P429 > Fixed frequency 1 <
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