Lenze EVF9383 - Manual (Page 123)

Configuration
2−115
l
EDSVF9383V−EXT EN 2.0
2.4.41 Mains failure control (MFAIL)
This FB is used to decelerate the drive/drive network in a controlled manner to standstill. Without this
function, the drive/drive network would coast down after a mains failure.
Tip!
The basic configurations speed control with mains failure control (C0005 = 14xx) and digital
frequency master with mains failure control (C0005 = 54xx) are application examples which can be
directly loaded.
C 0 9 8 8 / 7
M F A I L - D C - S E T
C 0 9 8 9 / 1
M F A I L - F A U L T
M F A I L - R E S E T
C 0 9 8 2
C 0 9 7 1
C 0 9 7 2
C 0 9 7 8
M F A I L - A D A P T
C 9 8 8 / 2
C 0 9 7 3
C 0 9 7 4
C 0 9 8 1
+
-
1
0
C 0 9 8 8 / 1
C 0 9 7 0
M F A I L - C O N S T
C 9 8 8 / 3
C 0 9 8 0 V p
T n
M C R T L -
D C V O L T
C 0 9 8 9 / 2
M F A I L - T H R E S H O L D
C 0 9 7 5
C 0 9 8 8 / 4
M F A I L - N A C T
C 0 9 7 6
C 0 9 8 8 / 5
M F A I L - S E T
C 0 9 7 7
C 0 9 8 8 / 6
C T R L
M F A I L - I - R E S E T
M F A I L - N O U T
M F A I L - S T A T U S
M F A I L
+
-
M F A I L - N - S E T
C 0 9 8 3
Fig. 2−92 Mains failure control (MFAIL)
Signal Source Note
Name Type DIS DIS format CFG List Lenze
MFAIL−N−SET a C0988/1 dec [%] C0970 1 1000 Speed setpoint in [%] of C0011
MFAIL−ADAPT a C0988/2 dec [%] C0973 1 1000 Dynamic adaptation of the proportional
gain of the U
Gset
controller in [%] of C0980
MFAIL−KONST a C0988/3 dec [%] C0974 1 1000 Proportional gain of the U
Gset
controller in
[%] of C0980
MFAIL−THRESHOLD a C0988/4 dec [%] C0975 1 1000 Restart threshold in [%] of C0011
MFAIL−NACT a C0988/5 dec [%] C0976 1 1000 Comparison value for the restart threshold
in [%] of C0011
MFAIL−SET a C0988/6 dec [%] C0977 1 1000 Speed starting point for deceleration in
[%] of C0011
MFAIL−DC−SET a C0988/7 dec [%] C0978 1 1000 Voltage setpoint at which the DC−bus
voltage is to be maintained,
100 % = 1000 V
MFAIL−FAULT d C0989/1 bin C0971 2 1000 HIGH = activates the mains failure control
MFAIL−RESET d C0989/2 bin C0972 2 1000 HIGH = reset
MFAIL−N−OUT a − − − − − Speed setpoint in [%] of C0011
MFAIL−STATUS d − − − − − HIGH = mains failure control is active
MFAIL−I−RESET d − − − − − HIGH = mains failure control is active, the
drive is braking