Siemens 440 manual P12403 Configuration of Vdc controller, 148

Models: 440

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Parameter Description

Issue 01/06

t

VDC

VDC, act

VDC, Chopper

t

Chopper active

t

tChopper , ON

 

 

 

 

t

t Chopper

=

1

=

1

 

 

f Chopper

 

2000Hz

VDC, act

VDC, Chopper

100 %

 

0

 

 

V

V

1

 

 

 

1

0

 

P1237

Duty cycle

1

 

monitoring

0

x

tChopper , ON =

x

t Chopper

100

 

 

 

Alarm

A0535

 

 

Mains

 

 

200 - 240 V

380 - 480 V

500 - 600 V

V

9.8 V

17.0 V

21.3 V

The threshold for the warning A0535 is equivalent to 10 seconds running at 95 % duty cycle. The duty cycle will be limited when it was running 12 seconds at 95 % duty cycle.

3.28Vdc controller

P1240[3]

Configuration of Vdc controller

 

Min:

0

 

CStat:

CT

Datatype: U16

Unit: -

Def:

1

 

P-Group:

FUNC

Active: Immediately

QuickComm.: No

Max:

3

Enables / disables Vdc controller.

Level

3

The Vdc controller dynamically controls the DC link voltage to prevent overvoltage trips on high inertia systems.

Possible Settings:

0Vdc controller disabled

1Vdc-max controller enabled

2Kinetic buffering (Vdc-min controller) enabled

3Vdc-max controller and kinetic buffering (KIB) enabled

Index:

P1240[0] : 1st. Drive data set (DDS)

P1240[1] : 2nd. Drive data set (DDS)

P1240[2] : 3rd. Drive data set (DDS)

148

MICROMASTER 440 Parameter List

6SE6400-5BB00-0BP0

Page 148
Image 148
Siemens 440 manual P12403 Configuration of Vdc controller, 148