Siemens S7-1200 System Manual page 9
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Also See for S7-1200:
- Operating instructions manual (132 pages) ,
- Programming manualline (74 pages) ,
- Manual (46 pages)
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4.5.4
Program card ............................................................................................................................. 130
4.5.5
Firmware update ........................................................................................................................ 133
4.6
Recovery from a lost password .................................................................................................. 136
5
Device configuration............................................................................................................................ 137
5.1
Inserting a CPU .......................................................................................................................... 138
5.2
Detecting the configuration for an unspecified CPU .................................................................. 140
5.3
Adding modules to the configuration ......................................................................................... 141
5.4
Changing a device ..................................................................................................................... 142
5.5
Configuring the operation of the CPU ........................................................................................ 142
5.5.1
Overview .................................................................................................................................... 142
5.5.2
Configuring digital input filter times ............................................................................................ 144
5.5.3
Pulse catch ................................................................................................................................. 146
5.6
Configuring the parameters of the modules ............................................................................... 147
5.7
Configuring the CPU for communication ................................................................................... 149
5.7.1
Creating a network connection .................................................................................................. 149
5.7.2
Configuring the Local/Partner connection path .......................................................................... 150
5.7.3
Parameters for the PROFINET connection ............................................................................... 153
5.7.4
Assigning Internet Protocol (IP) addresses ............................................................................... 155
5.7.4.1
Assigning IP addresses to programming and network devices ................................................. 155
5.7.4.2
Checking the IP address of your programming device .............................................................. 157
5.7.4.3
Assigning an IP address to a CPU online .................................................................................. 158
5.7.4.4
Configuring an IP address for a CPU in your project ................................................................. 159
5.7.5
Testing the PROFINET network ................................................................................................ 162
5.7.6
Locating the Ethernet (MAC) address on the CPU .................................................................... 163
5.7.7
Configuring Network Time Protocol synchronization ................................................................. 165
5.7.8
PROFINET device start-up time, naming, and address assignment ......................................... 166
6
Programming concepts ....................................................................................................................... 169
6.1
Guidelines for designing a PLC system ..................................................................................... 169
6.2
Structuring your user program ................................................................................................... 170
6.3
Using blocks to structure your program ..................................................................................... 172
6.3.1
Organization block (OB) ............................................................................................................. 172
6.3.2
Function (FC) ............................................................................................................................. 174
6.3.3
Function block (FB) .................................................................................................................... 175
6.3.4
Data block (DB) .......................................................................................................................... 176
6.3.5
Creating reusable code blocks ................................................................................................... 177
6.4
Understanding data consistency ................................................................................................ 178
6.5
Programming language .............................................................................................................. 179
6.5.1
Ladder logic (LAD) ..................................................................................................................... 180
6.5.2
Function Block Diagram (FBD) .................................................................................................. 181
6.5.3
SCL ............................................................................................................................................ 181
6.5.4
EN and ENO for LAD, FBD and SCL ......................................................................................... 188
6.6
Protection ................................................................................................................................... 190
6.6.1
Access protection for the CPU ................................................................................................... 190
6.6.2
Know-how protection ................................................................................................................. 193
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
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