5.6 Additional parameters
BU 0500 GB Subject to technical alterations 103
5.6 Additional parameters
Parameter Set value / Description / Note Device Supervisor
Parameter
set
P502 ... - 01
...
... - 03
Leading function value
S P
Selection of up to 3 master values:
[01] = Master value 1 [02] = Master value 2 [03] = Master value 3
Selection of possible setting values for master values:
0 ... 21
[ 0 ]
0 = Off
1 = Actual frequency
2 = Actual speed
3 = Current
4 = Torque current
5 = State of digital inputs
and outputs
6 = reserved
7 = reserved
8 = Setpoint frequency
9 = Error message
10 = reserved
11 = reserved
12 = Digital Out Bit 0…7
13 = reserved
14 = reserved
15 = reserved
16 = reserved
17 = Value analog input
1
18 = Value analog input
2
19 = Desired frequency
master value
20 = Desired frequency
after master value
ramp
21 = Actual frequency
without master
value slip
P503 Leading function output
S
To use the Leading function output, the inverter controller source must be selected in P509.
The master value to be transmitted is determined via the BUS interface in parameter P502.
0 ... 3
[ 0 ]
0 = Off 1 = USS 2 = CAN (up to 250kBaud) 3 = CANopen
P504 Pulse frequency
S
The internal pulse frequency for actuating the power component can be changed with this
parameter. A higher setting reduces motor noise, but leads to increased EMC emissions and
reduction of the possible motor nominal torque.
NOTE: The radio interference suppression limiting curve A1 according to EN55011 is
complied with at a setting of 6.0kHz on condition that the wiring guidelines are
complied with. For further details, see Section 8.4. EMC limit value classes.
3.0 ... 16.0 kHz
[ 6.0 ]
NOTE: Raising the pulse frequency leads to a reduction of the possible output current,
depending on the time (I
2
t curve). For further details, see Section 8.5. Power de-
rating.
P505 Absolute minimum frequency
S P
0.0 ... 10.0 Hz
[ 2.0 ]
Gives the frequency value that cannot be undershot by the FI. If the setpoint becomes smaller
than the absolute minimum frequency, the FI switches off or changes to 0.0Hz.
At the absolute minimum frequency, braking control (P434 or P441) and the setpoint delay (P107)
are actuated. If a setting value of "Zero" is selected, the brake relay does not switch during
reversing.
When controlling lift equipment, this value should be set at a minimum of 2Hz. From 2Hz, the
current control of the FI operates and a connected motor can supply sufficient torque.
NOTE: Output frequencies < 2Hz lead to current limitation.
For further details, see Section 8.5. Power de-rating.
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