Table of contents
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