Table Of Contents - Zapi EPS-AC0 SWs&ENC User Manual

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
3 FUNCTIONS OF THE EPS-AC0........................................................................................... 9
3.1 Manual Mode Steering ............................................................................................... 9
3.2 Automatic Centering ................................................................................................. 10
3.2.1
3.2.2
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
4.4 Sensor in the steering handle................................................................................... 15
4.4.1
4.4.2
4.5 Feedback sensors .................................................................................................... 17
4.5.1
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
7.1.2
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
AEMZP0EA - EPS-AC0 SWs&ENC - User Manual
Contents
Basic release ................................................................................................ 8
AUTC at key-on .......................................................................................... 11
AUTC on-demand....................................................................................... 11
Eps-ac0 PCB .............................................................................................. 14
Stepper motor............................................................................................. 15
Twin pot ...................................................................................................... 15
Encoder in the motor shaft and one (two) toggle switches......................... 17
Controller with Base Plate .......................................................................... 27
Controller with finned Heatsink................................................................... 27
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