Lenze 8615E - Manual (Page 97)

95
Activating the process control
With terminal control you can activate the process control via
one of the freely assignable digital inputs.
With control via keypad or the LECOM interfaces the process
control is (de-)activated under C044.
Code Parameter Meaning Acceptance
C044* -0-
-1- Finish process control
Process control active SH + PRG
* extended code set
The process control always starts with step 1. With the functions
"DC injection braking" and "quick stop", the process control can
always be interrupted. After enabling the controller again, the
system starts with step 1. With DC injection braking, the process
control is continued in the background.
Display functions
Under C044 you can read whether the process control has been
started or inhibited.
Under C160 you can see which step is active at the moment.
"0" means that the process control is not active.
"9" means that the process control is finished. For the assignment
of the free digital outputs with corresponding signals see pages 86
and 89.
6.7 Flying restart circuit
The flying restart circuit is used to synchronize the output frequency
to a coasting motor. The inverter determines the output frequency,
which matches with the motor speed, increases the output voltage
and accelerates the motor up to its set-value.
Under C142, you can activate the flying restart circuit and
determine whether the motor is to be restarted in one or two
directions of rotation. When the flying restart circuit is activated, the
motor is restarted every time after cancelling controller inhibit
(except for overvoltage).
Code Parameter Meaning Acceptance
C142* -0-
-1-
-2-
No flying restart
Flying restart in the selected direction of rotation
(sign of the total set-value)
Flying restart in both directions of rotation [SH + PRG]
* extended code set
During the flying restart, the motor generates a torque so that
drives being already at standstill, can rotate for a short time.