KEB COMBIVERT F5 Series Instruction Manual page 19

Parameter description
CP.19 Fixed frequency 1 (input 1)
CP.20 Fixed frequency 2 (input 2)
CP.21 Fixed frequency 3 (input 2)
Co-domain
CP.19
CP.20
0...±400 Hz
CP.21
Input I1 → Fixed frequency 1
Input I2 → Fixed frequency 2
Input I1 and I2 → Fixed frequency 3
CP.22 DC braking / Mode
With DC-braking the motor is not decelerated by the ramp. Quick braking is caused by D.C. voltage, which is
applied onto the motor winding. This parameter determines how the dc-braking is triggered. The settings must
be confirm by „ENTER".
Value Setting
0
1
2
3
4
5
6
7 x
8
9
CP.23 DC-braking / Time
Co-domain
0.00...100.00 s
CP.23 x f
t = –––––––––
B
t Real braking time
:
B
Actual frequency
f :
B
Setting
5 Hz
50 Hz
70 Hz
Function
DC-braking deactivated
DC-braking at switch off of the direction of rotation and upon reaching 0 Hz. The braking time
is CP.23 or until the next direction of rotation.
DC-braking as soon as setting for the direction of rotation is absent.
DC-braking as soon as the direction of rotation changes or is absent.
DC-braking on disabling the direction of rotation and if the real frequency falls below 4 Hz.
DC-braking when the real frequency falls below 4 Hz and the drives decelerates
DC-braking as soon as the set value falls below 4 Hz.
DC-braking when input I4 is switched. At control circuit B = value "0"
DC-braking when input I4 is switched. At control circuit B = value "0"
DC-braking after switching on the modulation.
Setting
10 s
B
100 Hz
Description
Three fixed frequencies can be adjusted. The selection is made by
the inputs I1 and I2. If adjustments are made that are outside the fixed
limits of CP.10 and CP.11, then the frequency is internally limited. The
negative values are released in application mode.
The rotation source of the fixed frequencies is not changed by CP.34,
it always corresponds to CP.34 = 2.
Description
If the braking time depends on the actual frequency (CP.22 = 2...7), it
is calculated as follows:
100 Hz
f
f
B
t
CP.23
B
t
GB - 19