Lenze EVF9383 - Manual (Page 131)

Configuration
2−123
l
EDSVF9383V−EXT EN 2.0
Commissioning
The commissioning should be carried out with motors without any load.
1. Start the drive with a LOW−HIGH transition at X5/E5.
2. Setting the acceleration time T
ir
:
– Set the speed setpoint to 100 %, operate the controller with maximum speed.
– Inhibit the controller via terminal X5/28 (you can also use any other source for the controller
inhibit, CINH ) and measure the deceleration time to standstill.
– Set approx. 1/10 of the deceleration time under C0982.
3. Setting the retrigger time
l For mains failure detection by detecting the DC−bus voltage level:
– Under C0983, set the deceleration time measured under point 2..
l For mains failure detection via an external system (e.g. 934X supply module):
– Under C0983, set the time for which the drive continues to be braked in a controlled way in
the event of a short−term mains recovery.
4. Switch off the supply voltage (mains or DC bus).
– The oscilloscope should display the following sequence:
U G
t 1 t 2
Q
t
n
0
0
M F A I L - D C - S E T
t
R
S
T
Fig. 2−97 Schematic representation with activated mains failure control (ideal characteristic)
 Switch−off threshold OU
‚ Switch−on threshold for brake unit
ƒ Switch−off threshold LU
„ Threshold CMP2−OUT
t1
Mains failure
t2 Zero speed reached