Zapi EPS-AC0 - Table of Contents

AEMZP0BA - EPS-AC0 - User Manual Page - 3/95
Contents
1 INTRODUCTION...................................................................................................................6
2 SPECIFICATION...................................................................................................................7
2.1 Technical specifications .............................................................................................7
2.2 Block diagram.............................................................................................................7
2.3 Electrical specifications ..............................................................................................7
2.4 Mechanical specifications...........................................................................................8
2.4.1 Basic release................................................................................................8
3 FUNCTIONS OF THE EPS-AC0...........................................................................................9
3.1 Manual Mode Steering ...............................................................................................9
3.2 Automatic Centering.................................................................................................10
3.3 Operational features.................................................................................................11
3.4 Diagnosis..................................................................................................................11
4 SYSTEM COMPONENTS...................................................................................................12
4.1 Steering Motor..........................................................................................................12
4.2 Gear Box and total reduction ratio............................................................................12
4.3 Eps-ac0 controller ....................................................................................................12
4.3.1 Eps-ac0 PCB..............................................................................................13
4.4 Sensor in the steering handle...................................................................................14
4.4.1 Stepper motor.............................................................................................14
4.4.2 Twin pot......................................................................................................14
4.5 Feedback sensors....................................................................................................15
4.5.1 Encoder in the motor shaft and a Feedback Potentiometer .......................15
4.5.2 Encoder in the motor shaft and one (two) toggle switch(es) ......................17
4.5.3 Feedback Encoder .....................................................................................18
5 AUTC MODE.......................................................................................................................21
6 CONNECTING DIAGRAMS................................................................................................22
6.1 Power Connecting Diagram .....................................................................................22
6.2 EPS-AC0 Stepper Motor diagram ............................................................................23
6.3 EPS-AC0 Twin pot diagram......................................................................................24
7 CONNECTIONS: SUGGESTIONS AND CAUTIONS.........................................................25
7.1 Stepper Motor connections ......................................................................................25
7.2 Twin pot connections................................................................................................25
7.3 Encoder connections................................................................................................25
7.4 Feedback pot connections .......................................................................................25
7.5 Digital Inputs connections ........................................................................................26
7.6 Safety contacts.........................................................................................................27
7.7 Motor thermal sensor connections ...........................................................................27
8 INSTALLATION: SUGGESTIONS AND CAUTIONS .........................................................28
8.1 Thermal consideration..............................................................................................28
8.1.1 Controller with Base Plate ..........................................................................28
8.1.2 Controller with finned Heatsink...................................................................28
8.2 General suggestion ..................................................................................................29
8.3 Connection cables....................................................................................................29
8.4 Fuses........................................................................................................................30
8.5 Contactors................................................................................................................30
8.6 Installation of a CAN Communication System..........................................................31
8.7 Wiring: I/O connections ............................................................................................33