Siemens SIMATIC S7-1500 Automation System System Manual page 7

9 Maintenance .......................................................................................................................................... 115
9.1 Removing and inserting I/O modules.........................................................................................115
9.2 Replacement of I/O modules and front connectors ...................................................................116
9.2.1 Coding element on the I/O module and on the front connector.................................................116
9.2.2 Replacing an I/O module ...........................................................................................................118
9.2.3 Replacing a front connector .......................................................................................................119
9.3 Replacing the coding element at the power connector of the system power and load
current supply.............................................................................................................................120
9.4 Firmware update ........................................................................................................................122
9.5 Resetting the CPU to factory settings........................................................................................125
10 Test functions and fault resolution ......................................................................................................... 129
10.1 Test functions.............................................................................................................................129
10.2 Reading out/saving service data................................................................................................133
11 SIMATIC memory card .......................................................................................................................... 135
11.1 SIMATIC memory card - overview .............................................................................................135
11.2 Setting the card type ..................................................................................................................139
11.3 Data transfer with SIMATIC memory cards ...............................................................................140
12 Display of the CPU ................................................................................................................................ 141
13 Basics of program processing................................................................................................................ 147
13.1 Events and OBs .........................................................................................................................147
13.2 CPU overload behavior..............................................................................................................150
14 Protection .............................................................................................................................................. 153
14.1 Overview of the protective functions of the CPU .......................................................................153
14.2 Configuring access protection for the CPU................................................................................154
14.3 Using the display to configure additional access protection ......................................................156
14.4 Know-how protection .................................................................................................................157
14.5 Copy protection ..........................................................................................................................160
14.6 Protection by locking the CPU ...................................................................................................161
15 Technical specifications......................................................................................................................... 163
15.1 Standards and Approvals...........................................................................................................163
15.2 Electromagnetic compatibility ....................................................................................................168
15.3 Shipping and storage conditions................................................................................................170
15.4 Mechanical and climatic ambient conditions..............................................................................171
15.5 Information on insulation tests, protection class, degree of protection and rated voltage.........173
15.6 Use of the S7-1500 in Zone 2 potentially explosive atmospheres.............................................174
S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01
Table of contents
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