Table Of Contents - Siemens S7-300 Configuration Manual

Table of contents

This manual... ......................................................................................................................................... 3
1 Communication via Ethernet CPs in S7 stations .................................................................................... 13
1.1 Industrial Ethernet ........................................................................................................................ 13
1.2 Industrial Ethernet Security .......................................................................................................... 14
1.3 SIMATIC S7 communication options with Ethernet CPs ............................................................. 16
1.3.1 Types of communication .............................................................................................................. 16
1.3.2 The communications services of the Ethernet CPs ..................................................................... 20
1.3.3 Operation using a configured or programmed database ............................................................. 21
1.4 PG/OP communication via Industrial Ethernet ............................................................................ 21
1.4.1 PG communication with STEP 7 over Industrial Ethernet ........................................................... 23
1.4.2 OP mode: Connecting HMI/ monitoring devices via Industrial Ethernet ...................................... 24
1.5 S7 communication via Industrial Ethernet ................................................................................... 24
1.6 Open communications services (SEND/RECEIVE interface) ...................................................... 28
1.7 FETCH/WRITE services (server) ................................................................................................. 30
1.8 Networking stations with STEP 7 ................................................................................................. 31
2 Characteristics of the Ethernet CPs ....................................................................................................... 33
2.1 Communications processors for S7300 ....................................................................................... 33
2.2 Communications processors for S7400 ....................................................................................... 34
2.3 Slot rules for SIMATIC S7300 ...................................................................................................... 35
2.3.1 Permitted slots ............................................................................................................................. 35
2.3.2 Number of SIMATIC NET CPs being operated at the same time ................................................ 35
2.3.3 Multicomputing ............................................................................................................................. 35
2.3.4 Removing/inserting (module replacement) .................................................................................. 35
2.3.5 Note on S7300 CPU: Connection resources ............................................................................... 36
2.4 Slot rules for SIMATIC S7400 ...................................................................................................... 36
2.4.1 Permitted slots ............................................................................................................................. 36
2.4.2 Number of SIMATIC NET CPs being operated at the same time ................................................ 36
2.4.3 Multicomputing ............................................................................................................................. 37
2.4.4 Removing/inserting (module replacement) .................................................................................. 37
2.4.5 Note on S7400 CPU: Connection resources ............................................................................... 38
3 Configuring the Ethernet CP with STEP 7 ............................................................................................. 39
3.1 How to commission an Ethernet CP ............................................................................................ 39
3.2 Configuring - follow the steps below ............................................................................................ 39
3.2.1 Overview ...................................................................................................................................... 39
3.2.2 Networking Ethernet CP .............................................................................................................. 40
3.3 Setting further CP properties ....................................................................................................... 42
3.3.1 Overview ...................................................................................................................................... 42
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
7