Table Of Contents - Zapi EPS-AC0 User Manual

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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
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
4.4
Sensor in the steering handle................................................................................... 14
4.4.1
4.4.2
4.5
Feedback sensors .................................................................................................... 15
4.5.1
4.5.2
4.5.3
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
8.1.2
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
AEMZP0BA - EPS-AC0 - User Manual
Contents
Basic release ................................................................................................ 8
Eps-ac0 PCB .............................................................................................. 13
Stepper motor............................................................................................. 14
Twin pot ...................................................................................................... 14
Feedback Encoder ..................................................................................... 18
Controller with Base Plate .......................................................................... 28
Controller with finned Heatsink................................................................... 28
Page - 3/95

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