Amada Miyachi Unitek STA-100A Manuals

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Amada Miyachi Unitek STA-100A Operation Manual (154 pages)

STA SERIES AC WELDERS

Brand: Amada | Category: Welding System | Size: 3 MB

Revision Record
2
Contact Us
3
Safety Notes
4
Table of Contents
5
Chapter 1 . Description

15
- Section I: Features
  15
  - Overview
    15
  - Standard Features
    16
  - Optional Features
    16
- Section II: Major Components
  17
  - Major Components
    17
  - Front Panel Controls and Indicators
    19
    
    Error
    19
    
    LCD Display
    19
    
    Program/Save
    19
    
    Ready
    19
    
    Start
    19
    
    Weld
    19
    
    Cursor
    20
    
    Data + on | off
    20
    
    Schedule
    20
    
    Valves
    20
    
    Weld ON/OFF
    20
    
    Modes
    21
    
    Monitor
    21
    
    Programming Lock
    21
    
    Reset
    21
    
    Stepper
    21
  - External Connectors
    21
  - Cylinder Air Hose Connections
    22
  - Internal Access
    22
  - Option Cards
    23
  - Electrical Connections
    23
Chapter 2. Installation and Setup Section I: Planning for Installation

25
- Environmental Factors
  25
- Space and Mounting Requirements
  25
- Power Requirements
  25
- Cooling Water Requirements
  25
- Section II: Control Set-Up
  26
  - Unpacking
    26
  - Installation
    26
  - Mounting the Control
    26
  - Connecting Electrical Power
    26
  - Secondary Current Sensing
    27
    
    Placement of Secondary Current Coils
    27
    
    Valve Transformer Wiring Connections
    27
  - Cooling Water Hose Connections
    27
  - Input/Output Signal Connections
    27
Chapter 3. Using STA Series Control Functions Section I: Overview

29
- Section II: Schedule Screen
  30
  - Schedule
    30
  - Program/Save
    30
  - CO (Cool Time)
    31
  - UP2 (Weld 2 Upslope Time)
    31
  - W2 (Weld 2 Time)
    31
  - DN2 (Weld 2 Downslope Time)
    31
  - Off
    31
  - Mode
    31
  - Current Setting
    31
  - CH (Force Output Channel)
    31
  - Force
    31
  - Elecvalve (Valve Associated with Electrode)
    31
  - COPY to # - Copying a Schedule
    32
- Section III: Valves Screen
  33
  - Schedule
    33
  - Program/Save
    33
  - Electrode Valve 01
    33
  - Status
    33
  - Count
    33
- Section IV: Monitor Screen
  34
  - CURR (Weld Current)
    34
  - COND (Conduction Angle)
    34
  - Volts
    34
  - Force(Lbs)
    34
  - LO (Low Current Limit)
    34
  - HI (High Current Limit)
    34
- Section V: Monitor Counts Screen
  36
  - Weld Count
    36
  - Weld Count Limit
    36
  - Set Weld Count=0
    36
  - Step Count
    36
  - Elect. Valve
    36
- Section VI: Mode Screen
  37
  - Program/Save
    38
  - Start
    38
  - Weld Mode
    38
    
    Chaining Mode
    38
    
    Repeat Mode
    38
    
    Spot Weld Mode
    38
    
    Successive Mode
    38
  - Linked Sched
    39
- Section VII: Linked Schedules Screen
  40
  - Reference
    40
  - Schd
    40
  - CURR WELD CNT (Weld Counts for Schedule)
    40
  - Weld Mode
    40
  - Error
    40
- Section VIII: System Values Screens
  41
  - System Values Screen 1
    41
    
    BIN. SCHED. SELECT (Binary Schedule Select)
    41
    
    CNTRL MODE (Control Mode)
    41
    
    Coil
    41
    
    Contrast
    41
    
    Firing Switch
    41
    
    Turns Ratio
    41
    
    87° DELAY (on or OFF)
    42
    
    Auto Reset
    42
    
    End Output
    42
    
    Low Line Alarm
    42
    
    Mode
    42
    
    MORE (System Value Screen 2)
    42
    
    NUM VALVES (Number of Valves)
    42
    
    Step End Output
    42
    
    Valves Status
    42
    
    Weld On/Off
    42
    
    Error Output
    43
    
    Master Cntl
    43
    
    Set Defaults
    43
    
    Unit Address
    43
  - System Values Screen 3
    43
    
    Retraction
    43
    
    Back Pressure
    44
    
    Monitored Time
    44
    
    Monitored Volts
    44
    
    Output Force
    44
    
    Pressure Switch
    44
    
    Screen 2
    44
- Section IX. System Valve Status Screen
  45
  - VALVE (Valve Numbers)
    45
  - CNT (Weld Count)
    45
    
    RESET (Reset Count to Zero)
    45
    
    SCR (SCR Used with each Valve)
    45
- Section X: Force Calibration Screen
  46
- Section XI. Stepper Screen
  47
  - Valve Num
    47
  - Stepper (On/Off)
    47
  - Count
    47
  - Heat
    47
Chapter 4. Operating Instructions

49
- Section I: Introduction
  49
  - Overview
    49
  - General Operator Safety
    49
- Section II: Preparing for Operation
  50
  - Turning the Equipment on
    50
  - Pre-Operational Setup
    51
- Section III: Setup Messages
  52
- Section IV. Operation
  54
  - Spot Welds
    55
  - Continuous Seam Weld
    56
  - Cascading (Multiple Scrs)
    57
- Section V: Operational Messages
  59
  - Major Run-Time Error Messages
    59
  - Minor Run-Time Error Messages
    61
- Section VI: Shutdown
  63
  - Emergency Shutdown
    63
  - Normal Shutdown
    63
Chapter 5. Maintenance Section I: Precautions

65
- Section II: General Information
  65
  - General Maintenance Procedures
    65
  - Cooling Maintenance-Water Draining
    65
  - Fuse Replacement
    66
  - Principles of Operation
    66
  - Wiring Diagram
    67
- Section III. Standard Components Replacement
  69
  - AC Timer Main Board
    69
  - Power Transformer T1
    71
  - Power Transformer T2
    71
  - Valve Transformer, T3
    71
  - Surge Resistors
    71
  - Snubber
    71
  - SCR Drive Board
    72
  - Control Panel Assembly
    73
- Section IV. Optional Components Replacement
  74
- Section V. Spare Parts
  76
- Section VI. Repair
  77
- Section VII. Storage and Shipment
  77
  - Preparation for Storage or Shipment
    77
  - Packing for Storage or Shipment
    77
Appendix A. Technical Specifications

79
Appendix B. Electrical and Data Connections

83
Appendix C. SCR, Wire Gauge, and Circuit Breaker Selection

91
Appendix Dsystem Timing

95
Appendix E. Cascade Option

105
Appendix F. Valve Expansion Board Option

105
Appendix G. Voltage Monitor Board Option

107
Appendix H. Force Control Option

109
Appendix I. Pressure Control Option

142
Appendix J. Communications

142
Appendix K. Circuit Modification for External Transformer Thermostat

142
Appendix L. Default Initializations

142
Index

145

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Amada Miyachi Unitek STA-100A Manuals

Amada Miyachi Unitek STA-100A Operation Manual (154 pages)

Table of Contents

Chapter 1 . Description

Chapter 2. Installation and Setup Section I: Planning for Installation

Chapter 3. Using STA Series Control Functions Section I: Overview

Chapter 4. Operating Instructions

Chapter 5. Maintenance Section I: Precautions

Appendix A. Technical Specifications

Appendix B. Electrical and Data Connections

Appendix C. SCR, Wire Gauge, and Circuit Breaker Selection

Appendix Dsystem Timing

Appendix E. Cascade Option

Appendix F. Valve Expansion Board Option

Appendix G. Voltage Monitor Board Option

Appendix H. Force Control Option

Appendix I. Pressure Control Option

Appendix J. Communications

Appendix K. Circuit Modification for External Transformer Thermostat

Appendix L. Default Initializations

Index

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