Siemens Simantic Net NCM for Industrial Ethernet S7 - Manual (Page 10)

10
SIMATIC NET NCM S7 for Industrial Ethernet
C79000-G8976-C129–06
Contents
1 Communication via Ethernet CPs in S7 Stations 13 . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 Industrial Ethernet 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 SIMATIC S7 Communication with S7 Ethernet CPs 15 . . . . . . . . . . . . . . . . . .
1.3 PG/OP Communication via Industrial Ethernet 19 . . . . . . . . . . . . . . . . . . . . . .
1.3.1 PG Communication with STEP 7 over Industrial Ethernet 21 . . . . . . . . . . . . .
1.3.2 OP Operation: Connecting Operator Interface Devices via Industrial
Ethernet
22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4 S7 Communication on Industrial Ethernet 23 . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 S5-compatible Communication (SEND/RECEIVE Interface) 27 . . . . . . . . . . .
1.6 FETCH/WRITE Services (Server) 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7 Networking Stations with STEP 7 31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7.1 Network/Project Variant: One Subnet – One Project 33 . . . . . . . . . . . . . . . . . .
1.7.2 Network/Project Variant: SIMATIC S5 and Non-SIMATIC Devices
on the Subnet
34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7.3 Network/Project Variant: Two or More Subnets – One Project 35 . . . . . . . . .
1.7.4 Network/Project Variant: One Subnet – More Than One (Sub)Project 36 . . .
1.7.5 Network/Project Variant: Several Subnets in Several (Sub) Projects 39 . . . .
1.7.6 Network/Project Variant: Connections between Subnets (TCP/IP) 41 . . . . . .
2 Installing and Starting the Ethernet CP with STEP 7 43 . . . . . . . . . . . . . . . . . . . . . . .
2.1 General Information About the NCM S7 for Industrial Ethernet Option 44 . .
2.2 Procedure 45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.1 Creating an Industrial Ethernet Subnet 46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.2 Entering an Ethernet CP in the Hardware Configuration 49 . . . . . . . . . . . . . .
2.2.3 Displaying the Network Attachments of a Station 52 . . . . . . . . . . . . . . . . . . . .
2.2.4 Setting Further CP Properties 54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.5 “Substitute Objects” in the STEP 7 Project 60 . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.6 Configuring Communication Services 63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Assigning Addresses for the First Time (Applies to Latest CPs) 64 . . . . . . . .
2.3.1 Addressing by Selecting the Target System in the SIMATIC Manager 65 . . .
2.3.2 Addressing using the Properties Dialog in HW Config or NetPro 68 . . . . . . .
2.4 Downloading the Configuration Data to the Target System 69 . . . . . . . . . . . .
3 SEND/RECEIVE Interface in the User Program 73 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 How the SEND/RECEIVE Interface Works on the CPU 74 . . . . . . . . . . . . . . .
3.2 Programming the SEND/RECEIVE Interface 75 . . . . . . . . . . . . . . . . . . . . . . . .
3.3 Data Exchange S7 CPU <–> Ethernet CP 78 . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4 Additional Information 80 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4.1 Programming Data Transfer on TCP Connections 80 . . . . . . . . . . . . . . . . . . .
3.4.2 Recommendations for Use with a High Communications Load 81 . . . . . . . . .
4 Configuring Communication Connections 83 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1 Procedure 84 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .