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
No.
392 State transition 5
Operation mode
0 - Coast to stop
1 - DC brake
2 - Ramp
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 selection menus of the control
unit KP500 and the control software VPlus.
By default,
tions with torque control, the default value is "0 - coasting".
If the configuration is changed, the value set for
changed, if necessary.
The behavior in transition 5 is only relevant for configurations without Motion Control
(parameter
If
State-transition 5
only be accepted after completion of the transition process. The change of state from
"Operation enabled" to "Started" is done after the
ized for the DC brake has elapsed.
If parameter
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 ena-
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, pa-
rameters
Frequency
relevant.
10/13
State transition 5
Parameters
Description
Immediate transition from "Operation enabled" to
"Switched On", drive coasts to a standstill
Activation of DC brake, at the end of DC deceleration,
there is the change from "Operation enabled" to
"Switched On"
Transition with normal ramp, when the drive has come to
a standstill, there is the change from "Operation enabled"
to "Switched On"
392 is set to operation mode "2 - Ramp" For configura-
State-transition 5
30 ≠ x40).
Configuration
392 was triggered with "1 - DC brake", a new control word will
392 = "2 - Ramp" is set, the control word can be set
State-transition 5
Switch-off threshold stop function
419) and
Holding time
CM-PROFINET
392.
Min.
0
Function
State-transition 5
Braking time
637 (percentage of parameter
638 (Holding time after passing of threshold) are
Settings
Max.
Factory set-
ting
2
2
392 is also
632. 632 parameter-
Maximum
73
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