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Parameter
Function
Adjustment range
p1251
Vdc_controller integral time
1 ... 1000 ms
Factory setting: 40 ms
Setting for the integral-action time of the vdc controller.
The effective integral time can be determined using p1243.
Parameter
Function
Adjustment range
p1252
Vdc_controller derivative-action time
1 ... 1000 ms
Factory setting: 1 ms
Setting for the derivative-action time of the vdc controller.
The active derivative-action time can be determined using p1243.
Parameter
Function
Adjustment range
p1254
Vdc_max_controller automatic ON level detection
1 / 0
Factory setting: 0
Activates/deactivates automatic sensing of the switch-on level for the Vdc-max controller.
Values:
0: Automatic detection disabled.
1: Automatic acquisition enabled
Settings
Parameter p1240 functions as a release:
● 0: Controller inhibited
● 1: Controller enabled
You use p1242 to define the starting point of the vdc-max controller. The starting point is the
maximum value of the DC link voltage that cannot be exceeded. If the DC link voltage is below
the starting point, the controller remains inactive. The controller gain can be changed by means
of p1250. The set ramp-down remains inactive while the vdc_max controller is active. The
ramp-down time increases the more excess kinetic energy is stored in the drive train.
8.4.3.6
Speed monitoring with incremental encoder
Permanent speed monitoring enables motor control without an encoder. You can upgrade with
additional incremental encoders under the following conditions:
● When high-performance applications, such as bearing control, require a permanent speed
control.
● For long-continuing applications with low speeds.
Operation
8.4 Functions
SINAMICS SM150 6SL3845-7NN46-7AA0
146
Operating Instructions 04/2017
Содержание SINAMICS SM150
Страница 2: ...20 04 2017 13 53 V27 00 ...
Страница 14: ...Table of contents SINAMICS SM150 6SL3845 7NN46 7AA0 14 Operating Instructions 04 2017 ...
Страница 16: ...Introduction 1 1 About these instructions SINAMICS SM150 6SL3845 7NN46 7AA0 16 Operating Instructions 04 2017 ...
Страница 82: ...Description 3 6 Description of options SINAMICS SM150 6SL3845 7NN46 7AA0 82 Operating Instructions 04 2017 ...
Страница 106: ...Installation 5 9 Connecting the water circuits SINAMICS SM150 6SL3845 7NN46 7AA0 106 Operating Instructions 04 2017 ...
Страница 120: ...Electrical connection 6 5 Connection SINAMICS SM150 6SL3845 7NN46 7AA0 120 Operating Instructions 04 2017 ...
Страница 122: ...Start up SINAMICS SM150 6SL3845 7NN46 7AA0 122 Operating Instructions 04 2017 ...
Страница 190: ...Maintenance 9 7 Repairs SINAMICS SM150 6SL3845 7NN46 7AA0 190 Operating Instructions 04 2017 ...
Страница 192: ...Spare parts SINAMICS SM150 6SL3845 7NN46 7AA0 192 Operating Instructions 04 2017 ...
Страница 196: ...Service Support SINAMICS SM150 6SL3845 7NN46 7AA0 196 Operating Instructions 04 2017 ...
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