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Table of contents

SIMATIC IPC227G

Operating Instructions, 07/2022, A5E50059933-AC

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