Siemens PC 670 Manuel d'utilisateur Page 128
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Fault Diagnosis
Release 04/02
6-8
Panel PC 670 Computing Unit, Equipment Manual
6.8 Computing Unit Self-Test Prior to Booting
After switching on the SIMATIC PC a self-test is initiated (POST = Power On Self
Test). If errors are detected during the POST, the corresponding sequence of
POST beeps (beep code) are issued. Each beep code consists of 2 x 2
sequences.
In addition, the individual test steps which the self-test executes, are issued on the
I/O port 80h.
Conversion table for the beep codes to hexadecimal representation:
Beeps Hex Code
B B 0
B BB 1
B BBB 2
B BBBB 3
BB B 4
BB BB 5
BB BBB 6
BB BBBB 7
BBB B 8
BBB BB 9
BBB BBB A
BBB BBBB B
BBBB B C
BBBB BB D
BBBB BBB E
BBBB BBBB F
Example
B BBB BBB B Beeps
2 8 Hex Code
Test system memory Meaning
Special codes
In addition to the beep codes listed below, there are also special codes:
3x short INSERT button has been pressed during the system start:
The Onboard Device Installation is skipped. The Onboard
Graphic is used as the standard output.
1x long 8x short Fault reading the MPI system information:
Contact your technical service department.
4x short MPI EPROM was programmed for the first time.
1x long 5x short Ethernet error: Contact your technical service department.
- Safety Guidelines 2
- Qualified Personnel 2
- Correct Usage 3
- Trademarks 3
- Impressum 3
- For your notes 4
- Documentation 5
- Notation 6
- Training Center 8
- Other Sources of Assistance 8
- Contents 12
- Product Overview 13
- Computing unit 14
- Installation 14
- Constructional designs 14
- Software equipment 15
- 1.2 Safety Notes 16
- Mains supply 17
- Country-Specific Notes 18
- Batteries 19
- ESD guidelines 19
- Area of use Requirements on 20
- DIN ISO 9001 certificate 21
- Australia 24
- AS/NZS 3548 Norm 24
- Chapter Overview 25
- Unpacking the computing unit 26
- Authenticity” 26
- Measures for equipotential 31
- 2.4 Transport 33
- Computing Unit 35
- 3.1 View of Interface Side 36
- 3.2 View of Drive Side 39
- Figure 3-3 Printer Connection 40
- PS/2 mouse connection 41
- Using a mouse 41
- Serial mouse connection 42
- PS/2 Keyboard connection 42
- USB device connection 43
- 3.4 Working with PC Cards 44
- Installation von PC cards 46
- 3.5 Drives 47
- 3.5.1 Floppy disk drive 47
- 3.5.2 LS240 drive 47
- Handling LS240 drive disks 48
- 3.5.3 Hard disk drive 50
- 3.6 Backup Battery 51
- Point-to-point connection 52
- (Socket) 53
- Connection 56
- MPI/PROFIBUS-DP network 57
- How the network functions 58
- Hardware requirements 58
- Ethernet 59
- 3.11 Connection Using Windows 59
- Maintaining and Extending the 61
- 4.1 Opening the Unit 62
- 4.1.1 Conditions 62
- Before opening the device 63
- Screws on the housing cover 64
- 4.1.4 Motherboard 66
- Components on the motherboard 67
- Standard memory 68
- Battery voltage too low 70
- Replacing the battery 70
- Changing SETUP 71
- Notes on the boards 72
- Note on long PCI cards 73
- Slots for expansion boards 76
- Module retainer plate 76
- Fixing screws 77
- CD-ROM drive with cover 79
- LS240 drive fixing screws 81
- Unit fan Plastic rivets 85
- 4.10 Processor Upgrade 86
- 4.11 Reset button 87
- BIOS SETUP Program 90
- Incorrect BIOS Data 90
- BIOS SETUP menus 90
- Menu items 92
- 5.1.1 Menu Main 93
- Field Type 95
- Multi Sector Transfer field 96
- LBA Mode Control field 96
- 32 Bit-IO field 96
- ”Memory Cache” Submenu 97
- Submenu ”Boot Options” 98
- Submenu ”Keyboard Features” 100
- Submenu ”Hardware Options” 101
- Release 04/02 102
- 5.1.2 Menü Advanced 103
- PCI Configuration Submenu 106
- ”PCI Devices” Submenu 106
- “PCI IRQ line” Field 108
- 5.1.3 Menü Security 110
- 5.1.4 Menu Power 112
- 5.1.5 Menu Boot-Sequence 113
- 5.1.6 Menu Version 115
- 5.1.7 Menu Exit 116
- 5.1.8 Setup default settings 117
- Fault Diagnosis 121
- Fault screen 122
- Cause/Remedy 123
- 6.6 USB Device Does Not Work 125
- Error messages 126
- Special codes 128
- POST codes 129
- Hardware Information 133
- Basic system 134
- S potentially isolated DP12 * 136
- S 12MBaud 136
- 7.3 System Resources 137
- 7.4 Monitoring Functions 138
- 7.4.1 Overview 138
- Temperature monitoring 139
- 7.4.4 Watchdog (WD) 140
- 7.4.5 Fan monitoring 141
- 7.5 Interfaces 142
- 7.5.1 External interfaces 142
- Parallel interface LPT1 145
- PS/2 mouse interface 146
- USB interface 147
- MPI/DP interface 148
- Figure 7-8 Ethernet port 149
- VGA interface 150
- Display port (CMOS, X420) 151
- Display port (LVDS), X400 153
- Interface to wiring backplane 157
- Allocation of IDE intefaces 160
- Connection of an LS240 drive 162
- SV connection for hard disk 163
- Connection for CPU fan 163
- Connection for device fan 163
- Connection for buffer battery 163
- 7.6 Wiring Backplane 164
- 7.6.2 Pin assignmentI SA slot 164
- 7.6.3 Pin assignment PCI slot 166
- 7.7 Power supply (AC and DC) 169
- 7.8 Connecting cables 170
- Distributed configuration 171
- 8.1 Description 172
- 8.1.2 Dimensions 173
- 8.1.3 Mounting 173
- 8.2 Cable connection 174
- 8.3 Spare parts 174
- 8.4 Technical data 174
- Transmitter housing 175
- Technical Data 177
- ESD Guidelines 181
- B.1 What does ESD mean? 182
- Charging 183
- Avoid direct contact 184
- SIMATIC HMI Documentation 185
- Glossary 189
- Glossary-6 194
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