User Manual Manual

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 Bulletin825 Smart Motor Manager . . . 9-14
Chapter 10 — References
Figures
Figure 1.1Bulletin 825 Smart Motor Manager. . . . . . . . . . . . . . . . . 1-1
Figure 1.2Operating 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 2.2Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Figure 2.3Front View with Operating Elements. . . . . . . . . . . . . . . 2-4
Figure3.1Setting Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Figure3.2Menu Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Figure3.3Entering a Data Value . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Figure3.4Selecting the Actual Values . . . . . . . . . . . . . . . . . . . . . . . 3-7
Figure3.5Selecting Recorded Data . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Figure3.6Basic Unit Test Button . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Figure 3.7 Two-Body Simulation of the Heating Up
of a Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Figure3.8Trip Characteristic (10…30s). . . . . . . . . . . . . . . . . . . . 3-19