Siemens Simatic S7-300 CPU 315-2-PN/DP

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S7-300, CPU 31xC and CPU 31x: Installation

viii Operating Instructions, Edition 08/2004, A5E00105492-05

4.11.3.6 Connectors and other components for Ethernet...................................................................... 4-56

4.11.3.7 Example of a PROFINET Subnet ............................................................................................ 4-57

4.11.3.8 Example of a PROFINET IO system........................................................................................ 4-59

4.11.4 Routed network transitions....................................................................................................... 4-60

4.11.5 Point-to-point (PtP)................................................................................................................... 4-62

4.11.6 Actuator/sensor interface (ASI) ................................................................................................ 4-63

5 Installing ................................................................................................................................................. 5-1

5.1 Installing an S7-300 ................................................................................................................... 5-1

5.2 Installing the mounting rail ......................................................................................................... 5-3

5.3 Mounting modules onto the rail.................................................................................................. 5-7

5.4 Labeling the modules................................................................................................................. 5-9

6 Wiring ..................................................................................................................................................... 6-1

6.1 Requirements for wiring the S7-300 ..........................................................................................6-1

6.2 Bonding the Protective Conductor to the Mounting Rail ............................................................ 6-3

6.3 Adjusting the Power Supply Module to local Mains Voltage...................................................... 6-4

6.4 Wiring the Power Supply Module and the CPU ......................................................................... 6-5

6.5 Wiring Front Connectors ............................................................................................................ 6-7

6.6 Plugging the front connectors into modules............................................................................. 6-10

6.7 Labeling the module I/O ........................................................................................................... 6-11

6.8 Connecting shielded cables to the shielding contact element ................................................. 6-12

6.9 Wiring the MPI / PROFIBUS DP bus connectors..................................................................... 6-15

6.9.1 Wiring the bus connector ......................................................................................................... 6-15

6.9.2 Setting the terminating resistor on the bus connector ............................................................. 6-16

6.10 RJ45 Ethernet connector ......................................................................................................... 6-17

7 Addressing.............................................................................................................................................. 7-1

7.1 Slot-specific addressing of modules .......................................................................................... 7-1

7.2 User-specific addressing of modules .........................................................................................7-3

7.2.1 User-specific addressing of modules ......................................................................................... 7-3

7.2.2 Addressing digital modules ........................................................................................................ 7-3

7.2.3 Addressing analog modules....................................................................................................... 7-5

7.2.4 Addressing the integrated I/Os of CPU 31xC ............................................................................ 7-6

7.3 Consistent data .......................................................................................................................... 7-8

8 Commissioning ....................................................................................................................................... 8-1

8.1 Overview .................................................................................................................................... 8-1

8.2 Commissioning procedure ......................................................................................................... 8-1

8.2.1 Procedure: Commissioning the hardware.................................................................................. 8-1

8.2.2 Procedure: Software commissioning .........................................................................................8-3

8.3 Commissioning check list........................................................................................................... 8-5

8.4 Commissioning the Modules...................................................................................................... 8-7

8.4.1 Inserting/Replacing a Micro Memory Card (MMC)..................................................................... 8-7

8.4.2 Initial power on ........................................................................................................................... 8-9

8.4.3 CPU memory reset by means of mode selector switch ............................................................. 8-9

8.4.4 Formatting the Micro Memory Card (MMC) ............................................................................. 8-12

8.4.5 Connecting the programming device (PG)............................................................................... 8-13