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Samsung MOSCON-E7 User Manual Manual pdf 68 page image

Samsung MOSCON-E7 User Manual

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Contents
  1. general precautions
  2. safety precautions
  3. Contents
  4. Table Of Contents
  5. Table Of Contents
  6. troubleshooting
  7. Overview ----------------------------------------------------------------------------------------
  8. Main features ------------------------------------------------------------------------------------
  9. main features
  10. System diagram ------------------------------------------------------------------------------
  11. Dimensions ----------------------------------------------------------------------------------------
  12. nameplate information
  13. installation site
  14. controlling the ambient temperature
  15. 3. Wiring
  16. Table Of Contents
  17. connection diagram
  18. terminal block configuration
  19. main circuit terminal functions
  20. connections to peripheral devices
  21. precautions when wiring
  22. cable specification
  23. digital operator
  24. test run
  25. terminal status led
  26. frequency limit
  27. selecting the jump mode : f
  28. frequency match detection
  29. configuring s-curve time : f
  30. speed search
  31. dwell operation
  32. slip compensation
  33. automatic torque boost
  34. carrier frequency setting
  35. h/w adjusting data : c3.01~c
  36. multi-function contact input
  37. multi-function contact output
  38. multi-function analog output : h3.01~h
  39. motor overload protection
  40. momentary power failure
  41. stall prevention
  42. overtorque detection : p3.01~p
  43. fault retry
  44. Table 6.3 Fault display and contents (Communication fault) -----------------------------------
  45. daily inspection
  46. part replacement
  47. dc braking
  48. multi-function analog input
  49. Table Of Contents
  50. Table Of Contents
Samsung MOSCON-E7 User Manual Manual pdf 68 page image
5. Parameters 5-67• When the motor is used in the high-speed range, the acceleration stallprevention level is automatically lowered to provide smootheracceleration.• P2.03 limits how much the acceleration stall prevention level is loweredso that it isn’t lowered any more than necessary.5.8.3.4 Stall prevention at stop : P2.04ParameterNo. Name Unit Settingrange FactorySettingChangeableduringoperationP2.04 Stall Preventionat Stop - 0~1 1• P2.04 can be used to set the stall prevention selection during stop.• SettingSettingconstant Function0 Disabled (when braking device is used)1 Enabled (when braking device is not used)• When setting1 is selected, the deceleration time is extended automaticallyso that a main circuit over voltage fault doesn’t occur.• Braking device used :- braking resistor unit (for 400V class only)- braking unit• When braking device is NOT used, deceleration time should be longenough to prevent the over voltage.Figure 5.27 Deceleration stall prevention function : P2.04=1Output FrequencyDeceleration TimeSettingThe deceleration time iscontrolled to prevent over voltageTime5-68 MOSCON-E7 User’s Manual5.8.3.5 Stall prevention when the motor is running : P2.05ParameterNo. Name Unit Settingrange FactorySettingChangeableduringoperationP2.05 Stall Preventionin Running - 0~2 1• P2.05 can be used to set the stall prevention function during running.• SettingSettingconstant Function0 Disabled(run according to the setting. Stalls may occur with excessive loads)1 Enabled(use deceleration time in F2.02 for stall prevention function)2 Enabled(use deceleration time in F2.04 for stall prevention function)• When setting 1 is selected, deceleration is started if the phase currentcontinues to be higher than the stall prevention level for more than100ms. The motor is accelerated back to the reference frequency againwhen the current falls below this level.5.8.3.6 Stall prevention when the motor is running at thedesired frequency : P2.06ParameterNo. Name Unit Settingrange FactorySettingChangeableduringoperationP2.06 Stall PreventionLevel in Running 1% 0~200 170 O• P2.06 can be used to set the stall prevention level during running• This setting is valid when P2.05 =1 or 2• Normally it isn’t necessary to change this setting.• Decrease this setting when:- The motor capacity is small compared to the inverter capacity- Stall occurs when the motor is operated with the factory setting• Set this value as a percentage of the inverter’ s rated current(i.e. 100% corresponds to the inverter’s rated current)
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