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Function library

Function blocks

3.2.40 Mains failure control (MFAIL)

3−111

EDSVS9332S−EXT EN 2.0

3.2.40 Mains failure control (MFAIL)

Purpose

If the supply voltage via L1, L2, L3 or +UG, −UG fails, the drive (drive network) can be decelerated

(braked) in a controlled way. Without this function, the drive (drive network) would coast.

C0988/7

MFAIL-DC-SET

C0989/1

MFAIL-FAULT

MFAIL-RESET

C0982

C0971

C0972

C0978

MFAIL-ADAPT

C988/2

C0973

C0974

C0981

C0988/1

C0970

MFAIL-CONST

C988/3

C0980

MCRTL-

DCVOLT

C0989/2

MFAIL-THRESHOLD

C0975

C0988/4

MFAIL-NACT

C0976

C0988/5

MFAIL-SET

C0977

C0988/6

CTRL

MFAIL-I-RESET

MFAIL-NOUT

MFAIL-STATUS

MFAIL

MFAIL-N-SET

C0983

Fig. 3−98 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 start point for the deceleration in

[%] of C0011

MFAIL−DC−SET a C0988/7 dec [%] C0978 1 1000 Voltage setpoint on which the DC bus

voltage is to be maintained, 100% =

1000V

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 active

MFAIL−I−RESET d − − − − − HIGH = mains failure control active, the

drive is braking

1 2 ... 158 159 160 161 162 163 164 165 166 167 168 ... 263 264

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