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Baldor
MN770 manual
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54 pages, 186.12 Kb
Elevator Application Guide
Installation & Operating Manual
3/97 MN770
Contents
Main
Table of Contents
Page
Introduction
M
D
+
C
)
Limited Warranty
Safety Notice
Page
Section 2 Technologies
Overview
S S S S
S S S
Table 2-1 Drive Performance Comparison
DC SCR Control
Inverter
Vector
Section 3 Application Considerations
General Considerations
Page
Page
Elevator Motor Horsepower Selection
Table 3-2 Motor Sizing
Dynamic Brake Hardware Selection
Section 4 Hardware Information
General Considerations
Encoder Retrofit
Page
Page
Page
Section 5 Set-Up Information
DC SCR Controls
Page
Page
Recommended Power Up/Down Sequence for Elevators Using DC SCR Controls
Figure 5-4 Typical Power Up/Down Sequence for DC SCR Controls.
Inverter Controls
Page
Recommended Power Up/Down Sequence for Elevators Using Inverter Controls
Figure 5-5 Power Up/Down Sequence for Inverter Controls.
Vector Controls
(Do not connect the motor leads to the Vector Control)
Figure 5-1 Initial Vector Control Connection
Page
Page
S S S
Table 5-1 Slip Adjustment Value.
Recommended Power Up/Down Sequence for Elevators Using Vector Controls
Figure 5-2 Power Up/Down Sequence for Vector Controls.
Table 5-2 Pre-Installation Tests
Motor Ratings (From Nameplate)
Installation Data
Dynamic Operating Conditions
Table 5-3 Vector Control Worksheet
Page
Section 6 Troubleshooting
DC SCR Control
Electrical Noise Considerations
Causes and Cures
Figure 6-1 Electrical Noise Display
Figure 6-2 R-C Snubber Circuit
Figure 6-3 R-C Snubber Circuit & twisted-pair
Figure 6-4 AC & DC Coil Noise Suppression
Page
Figure 6-9 30HP, 500VDC Drive, Shielded
Special Drive Situations
Drive Power Lines
Radio Transmitters
Control Enclosures
Special Motor Considerations
Figure 6-10 Isolated Mounting Method
Page
Optical Isolation
Plant Ground
Appendix A
Load Weighing / Torque Feed Forward
Figure A-1 Typical Elevator Application
Table A-1
Appendix B
Serial Communications
Figure B-1 Remote Communications
Page
Appendix C
Elevator Industry Glossary
