BONFIGLIOLI Vectron ACTIVE CUBE - Behavior in the Case of Transition 5 (Disable Operation)

11.3.2 Behavior in the case of transition 5 (disable operation)
The behavior in transition 5 from “Operation enabled” to “Switched On” can be con-
figured via parameter State transition 5 392.
Parameters
Settings
No.
Description
Min.
Max.
Factory set-
ting
392
State transition 5
0
2
2
Operation mode
Function
0
-
Coast to stop
Immediate transition from “Operation enabled” to
“Switched On”, drive coasts to a standstill
1
-
DC brake
Activation of DC brake, at the end of DC deceleration,
there is the change from “Operation enabled” to
“Switched On”
2
-
Ramp
Transition with normal ramp, when the drive has come to
a standstill, there is the change
from “Operation enabled”
to "Switched On"
Setting 1 “Direct current brake” is only possible with applications with U/f characteris-
tic control (e.g. configuration 110). Other configurations do not support this operation
mode.
If the frequency inverter is operated with a configuration which does not support the
operation mode Direct Current Brake (e.g. configuration 210, field-
oriented control),
value "1" cannot be used.
In this case, the operation mode is not offered in the se
lection menus of the control
unit KP500 and the control software VPlus.
By default, State-transition 5 392 is set to operation mode “2 - Ramp” For configura-
tions with torque control, the default value is “0 - coasting”.
If the configuration is changed, the value set for 󳮁 State-transition 5 392
is also
changed, if necessary.
The behavior in transition 5 is only relevant for configurations without Motion Control
(parameter Configuration 30 ≠ x40).
If State-transition 5 392 was triggered with “1 - DC brake”, a new control word will
only be accepted after completion of the transition process. The change of state from
“Operation enabled” to “Started” is done after the Braking time 632. 632 paramete
r-
ized for the DC brake has elapsed.
If parameter State-transition 5 392 = “2 - Ramp” is set, the control word can be set
to “Operation enabled” again, while the drive is decelerating. In this way, the drive
accelerates to its set reference value again and remains in the state “operation en
a-
bled”.
The change of state from “Operation enabled” to “Switched On” is done after the val-
ue has dropped below the set switch-
off threshold and the set holding time has
elapsed (equivalent to the behavior in the case of a quick stop). In this context, p
a-
rameters Switch-off threshold stop function 637 (percentage of parameter
Maximum
Frequency 419) and Holding time 638
(Holding time after passing of threshold) are
relevant.
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