Eaton DS7 Manual

Also see for DS7 Series: Instructional Leaflet Instructional Leaflet

Contents

Contents2 DS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com2.11 Motor connection......................................................................... 412.11.1 Connection configurations (star/delta configuration).................... 412.11.2 Connection and phase sequence................................................. 422.11.3 Delta connection .......................................................................... 432.11.4 Actuation of resistive loads.......................................................... 442.11.5 Connection of AC motors ............................................................ 452.11.6 Long motor supply cables............................................................ 462.11.7 Parallel motor connection ............................................................ 462.11.8 Connecting motors ...................................................................... 472.11.9 Cascade circuit............................................................................. 482.11.10 Motors with power factor correction capacitor............................ 482.11.11 Bypass circuit............................................................................... 492.11.12 Bypass circuit for emergency operation ...................................... 492.11.13 Repair and maintenance switch................................................... 512.12 Loading conditions ....................................................................... 532.12.1 Overload capability (load to AC-53a) ............................................ 532.12.2 Conversion of the overload capability to lower overcurrents....... 532.12.3 Different overload current............................................................ 542.12.4 Configuration options of DS7....................................................... 562.13 Design with different load cycles................................................. 572.14 Overtemperature (Derating)......................................................... 572.15 Example of other load cycles ....................................................... 583 Installation.................................................................................. 613.1 Introduction.................................................................................. 613.2 Mounting positions ...................................................................... 613.3 Flush mounting in control panel................................................... 623.3.1 Increased cooling ......................................................................... 633.3.2 Mounting instructions (BG 1 and BG 2) ....................................... 693.3.3 Mounting instructions (size 3 and 4) ............................................ 743.4 Electrical Installation .................................................................... 773.4.1 Connection to power section....................................................... 783.4.2 Connection in control section ...................................................... 803.4.3 Connection to SmartWire-DT....................................................... 823.4.4 Functions of control signal terminals ........................................... 853.4.5 Control section power supply ...................................................... 863.4.6 Internal device voltages ............................................................... 863.4.7 Ground control voltage................................................................. 863.4.8 Relay contacts.............................................................................. 873.4.9 Relay contacts - connection examples......................................... 893.5 Block diagrams............................................................................. 903.6 Insulation test .............................................................................. 914 Operation.................................................................................... 934.1 Checklist for commissioning........................................................ 934.2 Commissioning ............................................................................ 954.3 Extended functionality ................................................................. 964.4 Potentiometer settings ................................................................ 984.4.1 How the potentiometers work..................................................... 984.4.2 Examples ..................................................................................... 102