CONTREX CXB2040 - Manual (Page 4)

8900 Zachary Lane N., Maple Grove, MN 55369 U.S.A. 1
TABLE OF CONTENTS
Page
INTRODUCTION ................................................................................................................ 6
CHAPTER ONE: DESCRIPTION, FEATURE AND SPECIFICATIONS
1.1 DESCRIPTION ............................................................................................................. 7
1.2 FEATURES ................................................................................................................... 7-9
1.2.1 Stand-alone Module .......................................................................................... 7-9
1.3 SPECIFICATIONS ........................................................................................................ 10-12
1.3.1 Stand-alone One Axis Amplifier ......................................................................... 10-11
1.3.1.1 Input and Output Power ........................................................................ 10
1.3.1.2 Signal Inputs ......................................................................................... 10
1.3.1.3 Digital Inputs ........................................................................................ 11
1.3.1.4 System .................................................................................................. 11
1.3.1.5 Outputs.................................................................................................. 11
1.3.2 Mechanical ......................................................................................................... 11
CHAPTER TWO: THEORY of OPERATION
2.1 INTRODUCTION ......................................................................................................... 12
2.2 DRIVING DC SERVO-MOTORS ................................................................................ 12
2.3 SERVO LOOPS .............................................................................................................. 13
2.4 BRUSHED MOTORS vs BRUSHLESS MOTORS ....................................................... 14-15
2.5 SINUSOIDAL vs TRAPEZOIDAL .............................................................................. 15
2.6 THE ADVANTAGES AND DISADVANTAGES OF TRAPEZOIDAL
AMPLIFIER SYSTEM ................................................................................................. 16
2.7 CURRENT MODE vs VELOCITY MODE .................................................................. 16
2.8 VARIOUS KINDS OF TACH SIMULATORS ............................................................ 17
2.9 COMMUTATION USING RESOLVER ....................................................................... 17
2.10 CURRENT MODE IN SINE/RESOLVER OR TRAPEZOIDAL AMPLIFIER
vs A TWO/THREE PHASE INPUT CURRENT MODE AMPLIFIER ....................... 17
2.11 PROTECTION CIRCUITS ........................................................................................... 17