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Zapi EPS-AC0 User Manual
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AEMZP0BA - EPS-AC0 - User Manual
Figure 4–4
4.5.1.1 Feedback potentiometer
The feedback potentiometer is used for both, encoder initialisation and redundancy
on the steered wheel angle measurement. Normally the feedback potentiometer is
multiturn (5 or 10 turns) 5K hybrid technology mounted on the output shaft of the
steering gearbox (see Figure 4-4).
15
17
Table of Contents
Table of Contents
3
Introduction
6
Specification
7
Technical Specifications
7
Block Diagram
7
Electrical Specifications
7
Mechanical Specifications
8
Basic Release
8
Functions of the Eps-Ac0
9
Manual Mode Steering
9
Automatic Centering
10
Operational Features
11
Diagnosis
11
System Components
12
Steering Motor
12
Gear Box and Total Reduction Ratio
12
Eps-Ac0 Controller
12
Eps-Ac0 PCB
13
Sensor in the Steering Handle
14
Stepper Motor
14
Twin Pot
14
Feedback Sensors
15
Encoder in the Motor Shaft and a Feedback Potentiometer
15
Encoder in the Motor Shaft and One (Two) Toggle Switch(Es)
17
Feedback Encoder
18
Autc Mode
21
Connecting Diagrams
22
Power Connecting Diagram
22
EPS-AC0 Stepper Motor Diagram
23
EPS-AC0 Twin Pot Diagram
24
Connections: Suggestions and Cautions
25
Stepper Motor Connections
25
Twin Pot Connections
25
Encoder Connections
25
Feedback Pot Connections
25
Digital Inputs Connections
26
Safety Contacts
27
Motor Thermal Sensor Connections
27
Installation: Suggestions and Cautions
28
Thermal Consideration
28
Controller with Base Plate
28
Controller with Finned Heatsink
28
General Suggestion
29
Connection Cables
29
Fuses
30
Contactors
30
Installation of a CAN Communication System
31
Wiring: I/O Connections
33
Safety Features
34
Emc
34
Emission
35
Electromagnetic Immunity
35
Esd
35
Fighting the Dither
36
Description of the Connectors
38
Connectors of the Logic
39
CNA Connector
39
CNB Connector
39
CNC Connector
40
Description of Power Connections
41
Installation Procedure
42
Twin Pot with Encoder and Feedback Pot: One Shot Installation Procedure
42
Twin Pot with Encoder, Straight Ahead Switch and Feedback Pot: One Shot Installation Procedure
43
Stepper Motor with Encoder and Feedback Pot: One Shot Installation Procedure
45
Stepper Motor with Encoder and Toggle Switch(Es): One Shot Installation Procedure46
46
Setting the Eps-Ac0
49
Complete Set-Up Description
49
Stepper Motor Only
49
Stepper Motor & AUTC
49
RTC (Twin Pot) Only
49
Rtc & Autc
50
Quick Set-Up
50
Stepper Motor Only
50
Stepper Motor & AUTC
51
RTC Only or RTC & AUTC
51
Programmaing & Adjustments Using Digital Console
52
Adjustments Via Console
52
Description of Console (Hand Set) & Connection
52
Description of Standard Console Menu
53
Stepper Motor with Encoder and Feedback Pot
54
RTC with Encoder and Feedback Pot
55
Stepper Motor with Encoder and Toggle Switch(Es)
56
Function Configuration
57
Config Menu "SET OPTIONS" Functions List
58
Config Menu "ADJUSTMENTS" Functions List
62
Config Menu "SET MODEL" Functions List
65
Main Menu "PARAMETER CHANGE" Functions List
68
Zapi Menu "HARDWARE SETTINGS" Functions List
75
Zapi Menu "SPECIAL ADJUSTMENT" Functions List
76
Main Menu "TESTER" Functions List
78
Other Functions
82
Acquiring the Motor Resistance
82
Alignment at the Rest Position
82
Straight Ahead Steering Numbness
82
Special Debugging and Troubleshooting System
83
Eps-Ac0 Alarms List
84
Main Menu "ALARMS" List
84
One Blink Alarms
84
Two Blinks Alarms
86
Three Blinks Alarms
87
Four Blinks Alarms
90
Five Blinks Alarms
91
Six Blinks Alarms
91
Thirty-Two Blinks Alarms
92
No Blink Alarms (Warning)
92
CAN BUS "ALARMS" List
93
Recommended Spare Parts
94
Periodic Maintenance to be Repeated at Times Indicated
95
Testing the Faulty Detection Circuitry
95
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Zapi EPS-AC0 Specifications
General
Brand
Zapi
Model
EPS-AC0
Category
Controller
Language
English
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