Baldor MN785 Manuals

Manuals and User Guides for Baldor MN785. We have 1 Baldor MN785 manual available for free PDF download: Installation And Operation Manual

Baldor MN785 Installation And Operation Manual

Baldor MN785 Installation And Operation Manual (48 pages)

Adjustable Frequency Drive

Brand: Baldor | Category: DC Drives | Size: 1 MB

Table of Contents

Table of Contents
2
Safety Notices
4
1 Introduction

8
- Standard Features
  9
- Performance Features
  10
- Protection Features
  10
- Selectable Jumpers
  11
- Trimpot Adjustments
  11
- Optional Accessories
  12
- Electrical Ratings
  12
- General Performance Specifications
  13
2 Quick-Start Instructions

14
- Mounting Instructions
  15
- AC Line Input Connection
  15
- AC Line Fusing
  15
- Ground Connection
  15
- Motor Connection
  15
- Jumper Settings
  16
- 60Hz and 50Hz Motor Operation
  16
- Pilot Light
  16
- Diagnostic Leds
  16
- Trimpot Settings
  16
3 Mounting Instructions

20
4 Electrical Connections

21
- AC Line Input Connection
  22
- AC Line Fusing
  22
- Ground Connection
  23
- Motor Connection
  23
- Run/Fault Relay Connection
  23
5 Important Application Information

25
- Motor with External Fan Cooling
  25
- Electronic Motor Overload Protection
  27
6 Setting Selectable Jumpers

28
- AC Line Input Voltage (J1)
  28
- Motor Horsepower (J2)
  28
- Automatic or Manual Start and Reset Selection (J3)
  29
  - 60Hz or 50Hz Motor Operation and Drive Output
    30
    
    Frequency (J4 and J5)
    30
    
    Operation
    30
    
    Rpm
    30
    
    Setting the Drive for 60Hz or 50Hz Motor
    30
    
    Setting the Drive for Two Times the Rated Motor
    30
  - Run/Fault Output Relay Operation (J6)
    31
- 7 Trimpot Adjustments
  
  32
  - Minimum Speed (MIN)
    32
  - Maximum Speed (MAX)
    32
  - Acceleration (ACCEL)
    33
  - Deceleration (DECEL)
    33
    
    NTCL (Non-Timed Current Limit)
    34
    
    Resetting the Control after TCL
    34
    
    TCL (Timed Current Limit)
    34
  - Slip Compensation (COMP)
    34
  - Motor Overload (I T) with RMS Current Limit (CL)
    35
- 8 Drive Operation
  
  37
  - Start-Up Procedure
    37
  - Restarting the Drive after a Fault Has Been Cleared
    37
    
    Drive Set for Automatic Start and Reset (Factory Setting)
    38
    
    Drive Set for Manual Start and Reset
    38
- 9 Pilot Light and Diagnostic Leds
  
  39
  - Pilot Light
    39
  - Power on LED (ON)
    39
  - Status LED (ST)
    39
  - Overload LED (OL)
    39
- 10 Troubleshooting
  
  41
  - Troubleshooting Guide
    41
  - Fault Recovery
    41
  - Baldor District Offices
    47
  - Limited Warranty
    48

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