INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL Page 1
January 1999
SEPARATELY EXCITED (SX) TRANSISTORIZED DUAL MOTOR CONTROLLERS
AND SERIES PUMP MOTOR CONTROL
INSTALLATION 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 of
electric vehicles in the application, installation and service of GE solid-state controllers. This
manual does not purport to cover all variations in OEM vehicle types. Nor does it provide for
every 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 vehicle
manufacturer through his normal field service channels. Do not contact GE directly for this
assistance.
Copyright by General Electric Company January 1999
Section 1.0 INTRODUCTION .......................................................................................................... 5
1.1 Motor Characteristics.................................................................................. 5
1.2 Solid-State Reversing.................................................................................. 6
1.3 Flexible System Application ........................................................................ 6
1.4 More Features with Fewer Components........................................................ 6
Section 2.0 FEATURES OF SX FAMILY OF MOTOR CONTROLLERS .............................................. 7
2.1 Performance............................................................................................... 7
2.1.1 Oscillator Card Features........................................................................ 7
2.1.1.a Standard Operation......................................................................... 7
2.1.1.b Proportional Operation for Dual Motor Vehicles.................................. 7
2.1.1.c Creep Speed.................................................................................. 7
2.1.1.d Controlled Acceleration and 1A Time................................................ 7
2.1.2 Current Limit ........................................................................................ 8
2.1.3 Braking................................................................................................ 8
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