Ea Elektro Automatik EA Elektro-Automatik EA-EL 9400-50 HP Electronic Load 0 - 50 A 0 - 400 Vdc 0 - 2400 W 33200244 Data Sheet

Product codes

33200244

Instruction Manual

EL 9000 HP Series

Date: 10-31-2011

Table of contents

Page

1. Introduction ......................................................................................................................................................... 27
2. Technical specifications ...................................................................................................................................... 27

2.1 Control panel ................................................................................................................................................ 27

2.2 Device specific data ..................................................................................................................................... 28

3. Design ................................................................................................................................................................ 29

3.1 Front view ..................................................................................................................................................... 29

3.2 Rear view ..................................................................................................................................................... 29

3.3 Scope of delivery .......................................................................................................................................... 30

4. General ............................................................................................................................................................... 30

4.1 Prologue / Warning ....................................................................................................................................... 30

4.2 Mains connection / Grounding ..................................................................................................................... 30

4.3 Cooling ......................................................................................................................................................... 30

4.4 Disassembly ................................................................................................................................................. 30

4.5 Temperature shutdown / Ventilation ............................................................................................................. 30

4.6 Dynamic characteristics and stability criteria ............................................................................................... 30

4.7 Temperature characteristics ......................................................................................................................... 30

4.8 Relation of input voltage to input current ...................................................................................................... 31

5. Installation .......................................................................................................................................................... 31

5.1 Visual check ................................................................................................................................................. 31

5.2 Mains connection ......................................................................................................................................... 31

5.3 Terminal DC input ......................................................................................................................................... 31

5.4 Grounding the input ...................................................................................................................................... 31

5.5 Connecting „System Bus“ ............................................................................................................................ 31

5.6 Using and connecting the remote sense ..................................................................................................... 31

5.7 Interface card slot ......................................................................................................................................... 31

6. Handling ............................................................................................................................................................. 32

6.1 The display ................................................................................................................................................... 32

6.2 Operating elements ...................................................................................................................................... 33

6.3 Switching power on ..................................................................................................................................... 34

6.4 Switching the DC input on/off ....................................................................................................................... 34

6.5 Adjusting the set values ............................................................................................................................... 34

6.6 Preselecting the regulation mode ................................................................................................................. 34

6.7 Usage of Level A and Level B ...................................................................................................................... 35

6.7.1 Level A..................................................................................................................................................... 35

6.7.2 Level B .................................................................................................................................................... 36

6.7.3 Level A/B (pulsed operation) ................................................................................................................... 36

6.7.4 Rise/fall time............................................................................................................................................ 37

6.8 The battery test mode .................................................................................................................................. 37

6.9 Control locations and priorities ..................................................................................................................... 38

6.10 Series and parallel connection ..................................................................................................................... 38

6.11 Functions of the connector „System Bus“ .................................................................................................... 38

6.11.1 Two-quadrants operation ........................................................................................................................ 38

6.11.2 Selecting the regulation speed ................................................................................................................ 39

6.11.3 Crossflow adjustment (two-quadrant operation) ..................................................................................... 39

6.11.4 Remote sense ......................................................................................................................................... 39

6.11.5 Pin assignment of terminal System Bus.................................................................................................. 39

7. Device configuration ........................................................................................................................................... 40

7.1 The setup menu ........................................................................................................................................... 40

8. The analogue interface....................................................................................................................................... 42

8.1 Important notes ............................................................................................................................................ 42

8.2 Example configurations ................................................................................................................................ 42

8.3 Example applications ................................................................................................................................... 43

8.4 Pin assignment of the analogue interface .................................................................................................... 44

9. Interface cards .................................................................................................................................................... 45
10. Miscellaneous ..................................................................................................................................................... 46

10.1 Accessories and options .............................................................................................................................. 46