Rockwell Automation 825 Smart Motor Manager User Manual - Manual (Page 9)

Table of Contents v
Publication 825-UM001B-EN-P January 2001
Basic Unit and Converter Module with Primary Current Transformer
and Core Balance Current Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-9
Main Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9
Basic Unit and Converter Module with Core Balance Current
Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-10
Main Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10
Motors with Low Idling Current (< 20% ,
e
) . . . . . . . . . . . . . . . . . . . . . . 9-11
Main Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11
Connecting the PT100 Temperature Sensors Using the
2/3/4-Conductor Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-12
Basic Unit and Converter Module with Primary Current Transformer,
2-Phase Current Evaluation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-13
Time/Current Characteristic of Bulletin 825 Smart Motor Manager . . . 9-14
Chapter 10 — References
Figures
Figure 1.1 Bulletin 825 Smart Motor Manager. . . . . . . . . . . . . . . . . 1-1
Figure 1.2 Operating Characteristics of an AC Motor. . . . . . . . . . . 1-3
Figure 1.3 AC Current Profile of a Motor Starting
Direct-on-Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4
Figure 1.4 Temperature Rise Characteristics
of Motor Windings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4
Figure 1.5 Reduction in Average Life (EM) of a Motor
when Winding is Continuously Overheated . . . . . . . . . .
1-5
Figure 2.1 Modular Design of the Bulletin 825
Smart Motor Manager . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2
Figure 2.2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Figure 2.3 Front View with Operating Elements. . . . . . . . . . . . . . . 2-4
Figure 3.1 Setting Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Figure 3.2 Menu Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Figure 3.3 Entering a Data Value . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Figure 3.4 Selecting the Actual Values . . . . . . . . . . . . . . . . . . . . . . . 3-7
Figure 3.5 Selecting Recorded Data . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Figure 3.6 Basic Unit Test Button . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Figure 3.7 Two-Body Simulation of the Heating Up
of a Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-17
Figure 3.8 Trip Characteristic (10…30 s) . . . . . . . . . . . . . . . . . . . . 3-19