Lloyd LS1 Digital Material Tester Manuals

Manuals and User Guides for Lloyd LS1 Digital Material Tester. We have 1 Lloyd LS1 Digital Material Tester manual available for free PDF download: Service Manual

Lloyd LS1 Service Manual

Lloyd LS1 Service Manual (144 pages)

MATERIALS TESTING MACHINES 1kN/2.5N/5kN capacity

Brand: Lloyd | Category: Test Equipment | Size: 7.55 MB

Table of Contents

1 Overview

3
- Table of Contents
  3
- 1 Overview
  
  8
  - Scope of Manual
    8
  - General
    10
  - Full Control Console
    11
  - Hand Held Remote
    12
  - Battery Memory (RAM)
    12
  - Changing a Loadcell
    13
  - Computer Control
    13
  - Electronic Pcbs and Power Supply
    14
  - Load Measuring System
    15
  - Extension Measuring System
    16
  - Crosshead Drive System
    17
  - User Limit Switches
    17
  - Compression Cut-Out
    17
  - Mains On/Off Switch and Main Input Fuses
    18
  - Safeline Button and Emergency Stop Switch
    18
  - Optional Splinter Shield
    19
- 2 Microprocessor Circuits
  
  22
  - General
    22
  - USB Interface
    22
  - Console Keypad
    23
  - Motor Control Signals
    23
  - Limit Switches
    24
  - Splinter Shield Wiring
    26
- 3 Program Information
  
  27
  - Upgrading the Program
    27
- 4 Load Measuring System
  
  33
  - Loadcell
    33
  - Loadcell Gradings
    33
    
    General
    33
  - Loadcell Bridge Supply
    35
  - Loadcell Amplifier
    35
  - Loadcell Value
    35
  - Analogue to Digital Converter
    36
  - Overload Detector
    36
- 5 Extension Measuring System
  
  37
- 6 Power Supplies
  
  40
  - Mains Connections
    40
  - DC Supplies
    40
  - Machine Type EEPROM
    43
- 7 Crosshead Drive System
  
  45
  - General
    45
  - PWM Driver
    45
  - Motor Overcurrent Detector
    46
  - Power Dump Circuit
    47
  - Safeline Circuit
    47
- 8 Mechanical Assemblies
  
  49
  - General
    49
  - Performance Checks
    49
  - Cleaning
    50
  - Removing the Lower Cover
    50
  - Opening the Full Control Console
    51
  - Opening the Hand Held Remote
    52
  - Removing the Top Cap
    52
  - Lubrication
    53
  - Lower Eye End Alignment
    54
  - Adjusting the Drive Belt Tension
    55
  - Replacing the Drive Motor, Gearbox and Encoder
    56
  - Replacing the Loadcell Loom
    57
  - Removing the Mechanical Assembly
    57
  - Dismantling the Mechanical Assembly
    59
  - Replacing a Limit Switch
    61
  - YLC Loadcell Threads
    62
  - Grip through Pin
    62
- 9 Calibration Procedure
  
  63
  - General
    63
  - Checking the Extension Measurement
    63
  - Checking the Crosshead Speed
    63
  - Load Calibration Principle
    64
  - Load Calibration Procedure
    64
- 10 Fault Finding
  
  65
  - General
    65
  - Mains Supply Checks
    65
  - Analogue and Digital Supplies
    66
  - Motor Drive Supplies
    66
  - Table of Power Supplies
    66
  - Error Messages
    66
  - Fault Finding Charts
    68
- 11 Diagnostic Modes
  
  71
  - General
    71
  - Selecting the Diagnostic Mode
    71
  - Loadcell Verification
    72
  - Installing an External Extensometer
    72
  - Converting an Analogue Extensometer
    73
  - Converting an Encoder Extensometer
    74
  - Extensometer Verification
    74
  - PC Diagnostic Mode
    74
- 12 Full Control Console Diagnostics
  
  76
- 13 Nexygen Plus 3 Diagnostics
  
  92
- 14 Spare Parts
  
  107
  - Spares List
    108
- 15 Modifications
  
  109
16. Mechanical Drawings

111
- 16 Mechanical Drawings
  111
  - Mainframe - View of Left Side
    112
  - Mainframe - View of Right Side
    113
  - Ls1 Mainframe - Sheet 1
    114
  - LS1 Spare Parts
    116
  - Ls2.5 and Ls5 Mainframe - Sheet 1
    117
  - LS2.5 and LS5 Spare Parts
    119
  - Pogo Mounting Details
    120
  - 01/3871 5N YLC Loadcell
    121
  - 01/3872 10N YLC Loadcell
    122
  - 01/3873 20N YLC Loadcell
    123
  - 01/3874 50N YLC Loadcell
    124
  - 01/3875 100N YLC Loadcell
    125
  - 01/3876 250N YLC Loadcell
    126
  - 01/3877 500N YLC Loadcell
    127
  - 01/3878 1000N YLC Loadcell
    128
  - 01/3879 2500N YLC Loadcell
    129
  - 01/3880 5000N YLC Loadcell
    130
  - 09/1046 Internal Safety Shield Cable
    131
  - 09/1047/0B Extensometer Adaptor Cable
    132
    
    04/1408 Early Extensometer Amplifier PCB
    134
    
    04/1451 Loadcell Amplifier PCB
    135
    
    04/1455 Main Pcb Sheet 1
    136
    
    04/1455 Main Pcb Sheet 2
    137
    
    04/1455 Main Pcb Sheet 3
    138
    
    04/1455 Main Pcb Sheet 4
    139
    
    04/1456 Hand Held Remote PCB
    140
    
    04/1458 Motor Drive PCB
    141
    
    04/1460 Control Console PCB
    142
    
    04/1461 Extensometer Interface PCB
    143
    
    04/1463 Later Extensometer Amplifier PCB
    144

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