Siemens SIMATIC NET S7-300 User Manual

Contents
A-11
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
Contents
Contents - Part A
1 Communication via Ethernet CPs in S7 Stations A-15. . . . . . . . . . . . . . . . . . . . . . . . .
1.1 Industrial Ethernet A-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 SIMATIC S7 Communication with S7 Ethernet CPs A-17. . . . . . . . . . . . . . .
1.2.1 Types of Communication A-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.2 The Communication Services of Ethernet CPs A-20. . . . . . . . . . . . . . . . . . .
1.2.3 Operation Using a Configured or Programmed Database A-22. . . . . . . . . .
1.3 PG/OP Communication via Industrial Ethernet A-23. . . . . . . . . . . . . . . . . . .
1.3.1 PG Communication with STEP 7 over Industrial Ethernet A-25. . . . . . . . . .
1.3.2 OP Operation: Connecting Operator Interface Devices via Industrial
Ethernet A-26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4 S7 Communication on Industrial Ethernet A-27. . . . . . . . . . . . . . . . . . . . . . . .
1.5 S5-compatible Communication (SEND/RECEIVE Interface) ) A-31. . . . . . .
1.6 FETCH/WRITE Services (Server) A-34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7 Networking Stations with STEP 7 A-35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7.1 Network/Project Variant: One Subnet - One Project A-37. . . . . . . . . . . . . . .
1.7.2 Network/Project Variant: SIMATIC S5 and Non-SIMATIC Devices on
the Subnet A-38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7.3 Network/Project Variant: Two or More Subnets - One Project A-39. . . . . .
1.7.4 Network/Project Variant: One Subnet - More Than One (Sub)Project A-40
1.7.5 Network/Project Variant: Several Subnets in Several (Sub) Projects A-43.
1.7.6 Network/Project Variant: Connections between Subnets (TCP/IP) A-45. . .
2 Characteristics of the Ethernet CPs A-46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 Communications Processors for S7-300 A-46. . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Communications Processors for S7-400 A-47. . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Attachment Variants A-48. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1 Electrical Attachment A-48. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.2 Optical Ind. Ethernet with AUI Attachment *) A-51. . . . . . . . . . . . . . . . . . . . .
2.4 Slot Rules for SIMATIC S7-300 A-53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.1 Permissible Slots A-53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.2 Number of SIMATIC NET CPs A-53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.3 Multicomputing A-53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.4 Removing / Inserting (Replacing Modules) A-54. . . . . . . . . . . . . . . . . . . . . . .
2.4.5 Note on the S7-300 CPU: Connection Resources A-54. . . . . . . . . . . . . . . . .
2.5 Slot Rules for SIMATIC S7-400 A-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.1 Permissible Slots A-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.2 Number of SIMATIC NET CPs A-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.3 Multicomputing A-55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Siemens SIMATIC NET S7-300 Specifications

General

Brand	Siemens
Model	SIMATIC NET S7-300
Category	Industrial Equipment
Language	English