INSTALLATION AND OPERATIONSX TRANSISTOR CONTROL Page 1January 1999SEPARATELY EXCITED (SX) TRANSISTORIZED DUAL MOTOR CONTROLLERSAND SERIES PUMP MOTOR CONTROLINSTALLATION AND OPERATION MANUAL(IC3645SR4U454Z2 IC3645SR4U454Z3, IC3645SR4U454Z4,IC3645SR3U454Z2, IC3645SR3U454Z3, IC3645SR3U454Z4 ,and IC3645SP4U450Z1)Note: The information contained herein is intended to assist OEM's, Dealers and Users ofelectric vehicles in the application, installation and service of GE solid-state controllers. Thismanual does not purport to cover all variations in OEM vehicle types. Nor does it provide forevery possible contingency to be met involving vehicle installation, operation or maintenance.For additional information and/or problem resolution, please refer the matter to the OEM vehiclemanufacturer through his normal field service channels. Do not contact GE directly for thisassistance.Copyright by General Electric Company January 1999Section 1.0 INTRODUCTION .......................................................................................................... 51.1 Motor Characteristics.................................................................................. 51.2 Solid-State Reversing.................................................................................. 61.3 Flexible System Application ........................................................................ 61.4 More Features with Fewer Components ........................................................ 6Section 2.0 FEATURES OF SX FAMILY OF MOTOR CONTROLLERS .............................................. 72.1 Performance............................................................................................... 72.1.1 Oscillator Card Features........................................................................ 72.1.1.a Standard Operation......................................................................... 72.1.1.b Proportional Operation for Dual Motor Vehicles .................................. 72.1.1.c Creep Speed .................................................................................. 72.1.1.d Controlled Acceleration and 1A Time ................................................ 72.1.2 Current Limit ........................................................................................ 82.1.3 Braking................................................................................................ 8Table of Contents