15 inverter-specific functions, Flying start, Automatic restart – Watson-Marlow MM420 User Manual

Page 83: Holding brake

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Issue 10/06

3 Functions

MICROMASTER 420 Operating Instructions

6SE6400-5AA00-0BP0

83

3.5.5.15 Inverter-specific

Functions

Flying start

P1200 =...

Flying start
Starts inverter onto a spinning motor by rapidly changing the output frequency of the
inverter until the actual motor speed has been found.
0 Flying start disabled
1 Flying start is always active, start in direction of setpoint
2 Flying start is active if power on, fault, OFF2, start in direction of setpoint
3 Flying start is active if fault, OFF2, start in direction of setpoint
4 Flying start is always active, only in direction of setpoint
5 Flying start is active if power on, fault, OFF2, only in direction of setpoint
6 Flying start is active if fault, OFF2, only in direction of setpoint

P1202 =...

Motor-current: Flying start

(entered in %)

Defines search current used for flying start.

P1203 =...

Search rate: Flying start

(entered in %)

Sets factor by which the output frequency changes during flying start to synchronize with
turning motor.

Automatic restart

P1210 =...

Automatic restart
Configures automatic restart function.
0 Disabled
1 Trip reset after power on
2 Restart after mains blackout
3 Restart after mains brownout or fault
4 Restart after mains brownout
5 Restart after mains blackout and fault
6 Restart after mains brown/blackout or fault

Holding brake

P1215 =...

Holding brake enable
Enables/disables holding brake function (MHB).
0 Motor holding brake disabled
1 Motor holding brake enabled

NOTE

The following must apply when controlling the brake relay via a digital output: P0731 = 14
(refer to Section 3.5.5.4 "Digital ").

P1216 =...

Holding brake release delay

(entered in s)

Defines the time interval during which the frequency inverter runs with the min. frequency
P1080 after magnetizing, before the ramp-up starts.

P1217 =...

Holding time after ramp-down

(entered in s)

Defines time for which inverter runs at minimum frequency (P1080) after ramping down.

0

100 %

100 %

0

1.0 s

1.0 s

0

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