Baldor MN781W manual Table of Contents, Iii

Page 2

 

TABLE OF CONTENTS

 

Section

Page

i.

Simplified Operating Instructions

. . . 1

ii.

Safety Warning

. . . 1

I.

Introduction

. . . 2

II.

Wiring Instructions

. . . 5

III.

Setting Selectable Jumpers

. . . 7

IV.

Mounting Instructions

. . . 8

V.

Recommended High Voltage Dielectric Withstand Testing (Hi-Pot)

. . . 8

VI.

Control Operation

. . . 9

VII. AC Line Fusing

. . 10

VIII. Trimpot Adjustments

. . 10

IX.

Diagnostic LEDs

. . 13

X.

Optional Accessories

. . 13

XI.

Limited Warranty

. . 14

Tables

 

1.

Electrical Ratings

. . . 5

2.

General Performance Specifications

. . 5

3.

Terminal Block Wiring Information

. . . 6

4.

Fault Recovery and Resetting the Control

. . .10

5.

Control Mode and Status LED Indication

. . 12

Figures

 

1.

Control Layout

. . . 3

2.

Enlarged View of Trimpot Settings

. . . 3

3.

Mechanical Specifications

. . . 4

4.

Power Connections

. . . 6

5.

Remote Main Speed Potentiometer Connection

. . . 6

6.

Remote Start/Stop Switch Connection

. . . 6

7.

Start/Stop Function Eliminated (Jumper Installed)

. . . 6

8.

Voltage Following Connection

. . . 7

9.

Enable Circuit Connection

. . . 7

10.

AC Line Input Voltage Selection (J1 and J2)

. . . 7

11.

Motor Horsepower Selection (J3)

. . . 7

12.

Reset Mode Selection (J4)

. . . 8

13.

Motor Frequency Selection (J5)

. . . 8

14.

Motor Frequency Multiplier Selection (J6)

. . . 8

15.

Boost Mode Selection (J7)

. . . 8

16.

Hi-Pot Setup

. . . 9

17.

MAX Trimpot Range

. . 10

18.

MIN Trimpot Range

. . 10

19.

ACCEL Trimpot Range

. . . 10

20.

DECEL Trimpot Range

. . 11

21.

COMP Trimpot Range

. . 11

22.

CL Trimpot Range

. . 11

23.

I2t Trip Time vs Motor Current

. . .11

24.

BOOST Trimpot Range

. . 12

ii

 

 

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Contents Series 5 Inverter Table of Contents IIISimplified Operating Instructions Standard Features IntroductionControl Layout Shown with Optional AUTO/MANUAL and FORWARD-STOP-REVERSE 208.17Electrical Ratings General Performance SpecificationsII. Wiring Instructions Terminal Block Wiring Information Power ConnectionsIII. Setting Selectable Jumpers AC Line Input Voltage SelectionMotor Frequency Multiplier Selection Boost Mode SelectionIV. Mounting Instructions HI-POT Setup VI. Control OperationVIII. Trimpot Adjustments Fault Recovery & Resetting the ControlVII. AC Line Fusing I2t Trip Time vs Motor Current Control Mode and Status LED Indication Optional Accessories XI. Limited Warranty

MN781W specifications

The Baldor MN781W is a versatile and robust motor designed for various industrial applications. Known for its high performance and efficiency, this motor is an integral component in diverse sectors, including manufacturing, agriculture, and energy production. Its design emphasizes durability, reliability, and energy efficiency, making it a preferred choice for many professionals.

One of the main features of the Baldor MN781W is its premium efficiency rating, which ensures reduced energy consumption and lower operational costs. This motor meets or exceeds the efficiency standards set by the National Electrical Manufacturers Association (NEMA), contributing to substantial energy savings over its lifespan. When compared to traditional motors, the MN781W not only helps in cutting energy expenses but also supports environmentally friendly initiatives by minimizing carbon footprints.

The MN781W motor utilizes advanced insulation materials and coating technologies, providing enhanced protection against moisture, dust, and other environmental factors. This ensures optimal performance in challenging conditions while prolonging the motor’s life. The unique design of the motor housing and internal components minimizes heat generation, which is essential for extending operational longevity and preventing breakdowns.

In terms of technological features, the MN781W incorporates state-of-the-art bearing designs that reduce friction and enhance overall efficiency. This enables the motor to operate smoothly under heavy loads, which is particularly beneficial in industrial applications requiring consistent performance. Additionally, the motor is equipped with built-in thermal protection, which automatically shuts down the motor in case of overheating, thereby preventing damage and ensuring safety.

Another significant characteristic of the Baldor MN781W is its ease of installation and maintenance. The motor is designed with user-friendly access points for wiring and inspection, allowing technicians to conduct routine checks and repairs with minimal downtime. Furthermore, its modular design supports a range of mounting options, enabling seamless integration into existing systems.

In conclusion, the Baldor MN781W stands out as a reliable, energy-efficient motor that meets the demands of modern industries. With its premium efficiency rating, advanced protection features, and easy maintenance, it is an excellent choice for any business looking to enhance operational efficiency and reduce costs. Whether used in heavy machinery or process equipment, the MN781W ensures optimal performance and reliability, making it a valuable investment in industrial applications.