Eaton EMS Series, Manual

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Elektronischer Motorstarter EMS/EMS Electronic Motor Starter 04/15 MN03407009Z-DE/EN www.eaton.com
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Contents
0 About this Manual ..................................................................... 33
0.1 List of revisions ............................................................................ 33
0.2 Target group................................................................................. 33
0.3 Abbreviations and symbols .......................................................... 33
0.3.1 Hazard warnings of material damages ......................................... 33
0.3.2 Hazard warnings of personal injury .............................................. 34
0.3.3 Tips............................................................................................... 34
1 Electronic motor starter EMS ................................................... 35
1.1 Foreword...................................................................................... 35
1.2 Overview of the devices EMS-…................................................. 36
1.3 Device series................................................................................ 36
1.4 Layout .......................................................................................... 37
1.5 Description of device ................................................................... 38
1.5.1 Power supply ............................................................................... 38
1.5.2 Control inputs............................................................................... 38
1.5.3 Power Wiring ............................................................................... 39
1.5.4 Protective element....................................................................... 39
1.5.5 Status LEDs ................................................................................. 40
1.5.6 Reset button ................................................................................ 40
1.5.7 Manual and automatic resets....................................................... 41
1.5.8 Feedback output .......................................................................... 41
2 Engineering................................................................................. 42
2.1 Sample DOL starter and reversing starter circuits ....................... 42
2.1.1 Main and control current paths for EMS-DO-…-24VDC
DOL starters................................................................................. 42
2.1.2 Main and control current paths for EMS-RO-…-24VDC
reversing starters ......................................................................... 42
2.2 Safety shutdown with reduced lifespan
(EMS-DOS-…/EMS-ROS-…) ........................................................ 43
2.2.1 Single-channel switching and control current path
emergency stop (reduced lifespan).............................................. 44
2.2.2 Dual-channel switching and control current path emergency
stop (reduced lifespan)................................................................. 45
2.3 Safety shutdown with long lifespan............................................. 45
2.3.1 Main and control current path emergency stop (single-channel) . 46
2.3.2 Main and control current path emergency stop (dual-channel) .... 47
3 Commissioning .......................................................................... 48
3.1 Setting the rated operational current ........................................... 48
3.2 Table showing which status LED states correspond to which
set rated operational currents ...................................................... 49
3.3 Motor with brake.......................................................................... 49