Table of contents
SIMATIC IPC227G
Operating Instructions, 07/2022, A5E50059933-AC
7
7.5.3.2 M.2 interface ..................................................................................................................... 81
7.5.3.3 USB 2.0 pin header ............................................................................................................ 83
7.5.4 System resources ............................................................................................................... 83
7.5.5 Input/output address areas ................................................................................................. 84
7.5.5.1 Overview of the internal module registers .......................................................................... 84
7.5.5.2 Watchdog control register .................................................................................................. 84
7.5.5.3 Watchdog counter register ................................................................................................. 84
7.5.5.4 Watchdog state register ..................................................................................................... 85
7.5.5.5 Control register user LED L1/L2/L3 ...................................................................................... 85
7.5.5.6 Battery status register ........................................................................................................ 85
7.5.5.7 NVRAM address register ..................................................................................................... 86
7.6 BIOS description ................................................................................................................ 86
7.6.1 Overview ........................................................................................................................... 86
7.6.2 BIOS update ....................................................................................................................... 87
7.6.3 Alarm, error and system messages ..................................................................................... 89
A Technical support ................................................................................................................................ 91
A.1 Service and support ........................................................................................................... 91
A.2 Troubleshooting ................................................................................................................ 92
A.3 Notes on the use of third-party modules ............................................................................. 93
B SIMATIC IPC227G with AI ..................................................................................................................... 95
C Markings and symbols ......................................................................................................................... 97
C.1 Overview ........................................................................................................................... 97
C.2 Safety ................................................................................................................................ 97
C.3 Operator controls............................................................................................................... 97
C.4 Certificates, approvals and markings .................................................................................. 98
C.5 Interfaces .......................................................................................................................... 99
D List of abbreviations .......................................................................................................................... 101
Glossary ............................................................................................................................................. 105
Index .................................................................................................................................................. 113
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