Table of contents
Automation system
System Manual, 01/2023, A5E03461182-AK
5
5.2 System and load power supply ......................................................................................... 111
5.2.1 Use of system power supplies .......................................................................................... 113
5.2.2 Special considerations for the use of a system power supply in the first power segment .... 115
5.2.3 Special requirements when using the power supply PS 60W 24/48/60VDC HF ................... 117
5.3 Power balance calculation ................................................................................................ 121
5.4 Use of load power supplies .............................................................................................. 124
6 Installation ......................................................................................................................................... 125
6.1 Basics .............................................................................................................................. 125
6.2 Installing the mounting rail .............................................................................................. 127
6.3 Installing the standard rail adapter ................................................................................... 132
6.4 Installing a system power supply ...................................................................................... 138
6.5 Installing a load current supply ......................................................................................... 140
6.6 Installing the CPU ............................................................................................................ 142
6.7 Installing the interface module ......................................................................................... 144
6.8 Installing I/O modules ...................................................................................................... 146
7 Wiring ................................................................................................................................................ 148
7.1 Rules and regulations for operation .................................................................................. 148
7.2 Additional rules and regulations for operation of the S7-1500/ET 200MP with fail-safe
modules .......................................................................................................................... 151
7.2.1 Safety extra-low voltage (SELV, PELV) for failsafe modules ................................................ 151
7.2.2 Requirements of sensors and actuators for fail-safe modules ............................................ 152
7.2.3 Capacitive crosstalk of digital input/output signals ............................................................ 154
7.3 Operation on grounded infeed ......................................................................................... 154
7.4 Electrical configuration .................................................................................................... 158
7.5 Wiring rules ..................................................................................................................... 162
7.6 Connecting the supply voltage ......................................................................................... 167
7.7 Connecting system power supply and load current supply ................................................ 168
7.8 Connecting the CPU/interface module to the load current supply ...................................... 170
7.9 Connecting interfaces for communication ........................................................................ 172
7.10 Front connector for the I/O modules ................................................................................. 174
7.10.1 Wiring front connectors for I/O modules without shield contact element........................... 176
7.10.2 Wiring front connectors for I/O modules with shield contact element ................................ 178
7.10.3 Bringing the front connector into final position ................................................................ 185
7.11 Marking the I/O modules .................................................................................................. 187
7.11.1 Labeling strips ................................................................................................................. 187
7.11.2 Optional marking ............................................................................................................. 188
8 Configuring ........................................................................................................................................ 189
8.1 Configuring the CPU ........................................................................................................
190
8.1.1 Reading out the configuration .......................................................................................... 191
8.1.2 Address assignment ......................................................................................................... 197
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