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Detailed descriptions
14.3 Touch sensor
SIMATIC Panel PC 577
Operating Instructions, Release 04/2006, A5E00798484-01
14-3
14.3 14.3 Touch sensor
Principle of operation
The touch device variant operates with an analog-resistive touch sensor. An electrical field is
generated by electrodes along the edge of the sensor. These electrodes are arranged on a
specific grid on the active surface.
(OHFWURGHV
Figure 14-1 Operating principle of touch sensors
Functional restrictions caused by deformation of the field lines
A "scalloping effect" occurs at the edge of the display near the electrodes on all analog-
resistive touch sensors due to its intrinsic design. This leads to a deformation of the field
lines.
Figure 14-2 Scalloping effect
- DOCUMENTATION 1
- SIMATIC 3
- Industrial PC 3
- Preface 5
- Related documentation 6
- Conventions 6
- Trademarks 7
- Additional support 7
- Representatives and offices 7
- Training center 7
- Technical support 8
- Table of contents 10
- Table of contents 11
- 1.1 Safety instructions 13
- System expansions 14
- Battery 14
- ESD guidelines 15
- Electrical connection 16
- High frequency radiation 16
- Overview 17
- Transport 17
- Tools & downloads 18
- Processor and CD-ROM drive 18
- Safety-relevant applications 19
- Sources of light 19
- SIMATIC Panel PC 577 20
- 2.1 Application features 21
- 2.2 Design 22
- 2.3 Technical features 23
- Description 24
- Description 25
- 2.3 Technical features 25
- 3.1 Overview 27
- Approvals 29
- 3.4 EMC directive 31
- Planning use 32
- Planning use 33
- 3.5.3 Mounting type 34
- 3.5.4 Degree of protection 35
- 3.6 Mounting cut-out 36
- 3.6.2 Dimensions 37
- 4.1 Securing with clamps 39
- 4.2 Securing with screws 40
- 4.3 Dimensions 42
- 5.1 Overview 43
- 5.2 Interfaces 45
- 5.2.2 Rear interfaces 46
- Power supply 47
- 5.3 Connecting peripherals 48
- USB interface 49
- Using USB peripherals 49
- Connecting USB devices 50
- Principle 51
- Localized information 51
- For USA and Canada: 52
- 110V power supply 52
- 230V power supply 52
- Active PFC 53
- Connecting 54
- Connecting 55
- Commissioning 59
- 6.2 Overview 61
- 6.3 Switching on the device 63
- Commissioning 69
- Service pack 71
- Automatic updates 71
- 7.1 Normal operation 73
- Switching off the device 75
- 7.2.1 Overview 76
- Function 77
- Special features 78
- USB keyboard controller 78
- 7.2.3 KeyTools 79
- 7.2.4 SystemGuard 80
- 7.2.5 TouchInput 81
- 7.2.6 CheckLanguageID 82
- 8.1 Operator controls 85
- "Soft power" key 86
- 8.2.1 Overview 87
- 8.2.2 Keyboard 88
- Function keys and softkeys 89
- Control keys 89
- Alphanumeric keys 89
- Numeric keys 90
- Cursor keys 90
- External keyboards 91
- 3DUW3DUW3DUW3DUW 92
- 3DUW3DUW 92
- 3DUW 3DUW 3DUW 3DUW 92
- 8.3.1 Overview 93
- 8.3.2 Touch screen 94
- 8.4 DVD-ROM drive 95
- Operating 96
- Integration in TIA 97
- 10.1 Servicing 99
- Chemical resistance 100
- Procedure 100
- Carrying out repairs 101
- Limitation of liability 101
- Servicing and maintenance 102
- 10.2.2 Opening the device 103
- Opening the device 104
- Servicing and maintenance 105
- Closing the device 106
- Memory expansion 108
- Installing the memory module 108
- Removing a memory module 109
- 10.2.5 PCI/WinAC cards 110
- PCI card 111
- WinAC card 112
- 10.2.6 Drives 115
- Introduction 122
- Disposal 124
- Preparation 125
- Reconfiguring the BIOS setup 125
- Requirement 126
- Mounting the device 133
- 10.3 Installing software 136
- Restore DVD: 138
- Backing up authorizations 139
- 10.3 Installing software 141
- 11.1 BIOS error messages 145
- Error diagnosing 146
- 12.1 General problems 147
- Troubleshooting and FAQs 148
- Troubleshooting and FAQs 149
- 12.3 SystemGuard errors 150
- 13.1 Technical data 151
- Technical specifications 152
- Technical specifications 153
- 13.1 Technical data 153
- 13.3 Keyboard table 157
- 13.3 Keyboard table 159
- Detailed descriptions 165
- 14.2 Riser card 166
- 14.3 Touch sensor 167
- 14.4 System resources 169
- 14.4.2 Interrupt assignment 170
- 14.5 BIOS setup 171
- A Appendix 173
- EMC directive 174
- Low Voltage Directive 174
- Declaration of conformity 174
- Installation guidelines 174
- Connecting peripherals 174
- DIN ISO 9001 certificate 175
- Software license agreement 175
- Appendix 176
- A.1.3 ESD guideline 177
- Handling ESD modules 178
- Shipping ESD modules 178
- Appendix 179
- A.2 Abbreviations 180
- A.3 Glossary Definitions CU 181
- SIMATIC Panel PC 577 186
- Index 187
- Index 188
- ,'$( 192
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