Zapi EPS-AC0 SWs&ENC - Table of Contents

AEMZP0EA - EPS-AC0 SWs&ENC - 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 ..............................................................................................8
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
3.2.1 AUTC at key-on..........................................................................................11
3.2.2 AUTC on-demand.......................................................................................11
3.3 Operational features.................................................................................................11
3.4 Diagnosis..................................................................................................................12
4 SYSTEM COMPONENTS...................................................................................................13
4.1 Steering Motor..........................................................................................................13
4.2 Gear Box and total reduction ratio............................................................................13
4.3 Eps-ac0 controller ....................................................................................................13
4.3.1 Eps-ac0 PCB..............................................................................................14
4.4 Sensor in the steering handle...................................................................................15
4.4.1 Stepper motor.............................................................................................15
4.4.2 Twin pot......................................................................................................15
4.5 Feedback sensors ....................................................................................................17
4.5.1 Encoder in the motor shaft and one (two) toggle switches.........................17
5 CONNECTING DIAGRAMS................................................................................................21
5.1 Power Connecting Diagram .....................................................................................21
5.2 EPS-AC0 Twin pot diagram......................................................................................22
5.3 EPS-AC0 Stepper Motor diagram ............................................................................23
6 CONNECTIONS: SUGGESTIONS AND CAUTIONS.........................................................24
6.1 Stepper Motor connections ......................................................................................24
6.2 Twin pot connections................................................................................................24
6.3 Encoder connections................................................................................................24
6.4 General Purpose Analog Input CNB#6.....................................................................24
6.5 Digital Inputs connections ........................................................................................25
6.6 Safety contacts.........................................................................................................25
6.7 Motor thermal sensor connections ...........................................................................26
7 INSTALLATION: SUGGESTIONS AND CAUTIONS .........................................................27
7.1 Thermal consideration..............................................................................................27
7.1.1 Controller with Base Plate ..........................................................................27
7.1.2 Controller with finned Heatsink...................................................................27
7.2 General suggestion ..................................................................................................28
7.3 Connection cables....................................................................................................28
7.4 Fuses........................................................................................................................28
7.5 Contactors ................................................................................................................29
7.6 Installation of a CAN Communication System..........................................................29
7.7 Wiring: I/O connections ............................................................................................32
7.8 Safety features .........................................................................................................32