
Table of contents
SIMATIC IPC277G
Operating Instructions, 08/2021, A5E50059956-AA 7
8.4.3 Power demand of the components..................................................................................... 89
8.4.4 Power supply 7" and 10" device.......................................................................................... 89
8.4.5 Power supply 12", 15", 19", 22" and 24" device................................................................... 90
8.5 Hardware descriptions ....................................................................................................... 91
8.5.1 Technical features of the motherboard............................................................................... 91
8.5.2 External interfaces ............................................................................................................. 91
8.5.2.1 Overview of external interfaces.......................................................................................... 91
8.5.2.2 USB 3.1 port ...................................................................................................................... 91
8.5.2.3 DC in connector ................................................................................................................. 92
8.5.2.4 Ethernet port ..................................................................................................................... 92
8.5.2.5 DisplayPort ........................................................................................................................ 93
8.5.2.6 Serial interface................................................................................................................... 94
8.5.3 Internal interfaces.............................................................................................................. 95
8.5.3.1 Overview of internal interfaces .......................................................................................... 95
8.5.3.2 USB 2.0 pin header ............................................................................................................ 95
8.5.3.3 M.2 interface ..................................................................................................................... 95
8.5.3.4 LVDS interface ................................................................................................................... 97
8.5.3.5 Backlight interface ............................................................................................................. 98
8.5.4 System resources............................................................................................................... 98
8.5.5 Input/output address areas................................................................................................. 99
8.5.5.1 Overview of the internal module registers.......................................................................... 99
8.5.5.2 Watchdog control register.................................................................................................. 99
8.5.5.3 Watchdog counter register................................................................................................. 99
8.5.5.4 Watchdog state register ................................................................................................... 100
8.5.5.5 Battery status register ...................................................................................................... 100
8.5.5.6 NVRAM address register................................................................................................... 100
8.6 BIOS description .............................................................................................................. 101
8.6.1 Overview......................................................................................................................... 101
8.6.2 BIOS update..................................................................................................................... 102
8.6.3 Alarm, error and system messages ................................................................................... 103
A Technical support .............................................................................................................................. 104
A.1 Service and support ......................................................................................................... 104
A.2 Troubleshooting .............................................................................................................. 105
A.3 Notes on the use of third-party modules........................................................................... 106
B Markings and symbols....................................................................................................................... 107
B.1 Overview......................................................................................................................... 107
B.2 Safety.............................................................................................................................. 107
B.3 Operator controls............................................................................................................. 107
B.4 Certificates, approvals and markings ................................................................................ 108
B.5 Interfaces ........................................................................................................................ 109
C List of abbreviations .......................................................................................................................... 110
Glossary ............................................................................................................................................. 113
Index .................................................................................................................................................. 121