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Operational manual for dynamic braking unit

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Content

1 Safety Precautions .............................................................................................................. 1

1.1 Safety definition ........................................................................................................ 1

1.2 Warning symbols ...................................................................................................... 1

1.3 Safety guidelines ...................................................................................................... 1

2 Inspection ............................................................................................................................ 4

2.1 Unpacking inspection ............................................................................................... 4

2.2 Environment ............................................................................................................. 4

2.3 Installation confirmation ............................................................................................ 5

3 Installation Guidelines .......................................................................................................... 6

3.1 Installation environment ............................................................................................ 6

3.2 Installation direction .................................................................................................. 7

3.3 Installation mode ...................................................................................................... 8

3.4 External dimensions ................................................................................................. 8

4 Product name, model definition and usage ........................................................................ 10

5 Installation of the dynamic braking unit and parameters setting .......................................... 11

5.1 Wiring diagram ....................................................................................................... 11

5.2 Terminals of the main circuit ................................................................................... 11

5.3 Main control terminal of the braking unit ................................................................. 12

5.4 Adjustment ............................................................................................................. 12

5.5 Voltage selection setting ......................................................................................... 12

6 Parallel running.................................................................................................................. 14

7 Fault analysis and the solution ........................................................................................... 15

8 Selection ........................................................................................................................... 16

8.1 Guidelines of braking voltage selection ................................................................... 16

8.2 Calculation of the braking resistor and the braking current ...................................... 16

8.3 Calculation and selection of the braking resistor ..................................................... 16

8.4 Usage standard and selection reference of the input voltage degree for adaptation

DBU (220V) .................................................................................................................. 17

8.5 Usage standard and selection reference of the input voltage degree for adaptation

DBU (380V) .................................................................................................................. 17

8.6 Usage standard and selection reference of the input voltage degree for adaptation

DBU (660V) .................................................................................................................. 18

8.7 Selection of the braking resistors: ........................................................................... 19

9 Maintenance and hardware diagnostics ............................................................................. 21

9.1 Maintenance intervals ............................................................................................. 21

9.2 Cooling fan ............................................................................................................. 24

9.3 Power cable ........................................................................................................... 24

INVT DBU100H Series User Manual

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