Siemens SIMATIC NET S7-300 User Manual

Contents
A-12
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
2.5.4 Removing / Inserting (Replacing Modules) A-56. . . . . . . . . . . . . . . . . . . . . . .
2.5.5 Note on the S7-400 CPU: Connection Resources A-56. . . . . . . . . . . . . . . . .
3 Operating the Ethernet CP with
STEP 7/NCM S7 A-57. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 How to Commission an Ethernet CP A-58. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 General Information on STEP 7 / NCM S7 A-59. . . . . . . . . . . . . . . . . . . . . . .
3.3 Configuring - Follow the Steps Below A-60. . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.1 Creating an Industrial Ethernet Subnet A-61. . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.2 Entering an Ethernet CP in the Hardware Configuration A-64. . . . . . . . . . .
3.3.3 Displaying the Network Attachments of a Station A-67. . . . . . . . . . . . . . . . .
3.3.4 Setting Further CP Properties A-69. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3.5 “Substitute Objects” in the STEP 7 Project A-79. . . . . . . . . . . . . . . . . . . . . . .
3.3.6 Configuring Communication Services A-82. . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4 Assigning Addresses for the First Time (Applies to Latest CPs) A-83. . . . .
3.4.1 Addressing by Selecting the Target System in the SIMATIC Manager A-84
3.4.2 Addressing using the Properties Dialog in HW Config or NetPro A-86. . . .
3.5 Downloading the Configuration Data to the Target System A-87. . . . . . . . .
4 SEND/RECEIVE Interface in the User Program A-90. . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1 How the SEND/RECEIVE Interface Works on the CPU A-91. . . . . . . . . . . .
4.2 Programming the SEND/RECEIVE Interface A-92. . . . . . . . . . . . . . . . . . . . .
4.3 Data Exchange S7 CPU <-> Ethernet CP A-95. . . . . . . . . . . . . . . . . . . . . . .
4.4 Additional Information A-97. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4.1 Programming Data Transfer on TCP Connections A-97. . . . . . . . . . . . . . . .
4.4.2 Recommendations for Use with a High Communications Load A-98. . . . . .
5 Configuring Communication Connections A-99. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1 Procedure A-100. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 Possible Connection Configurations A-101. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3 Connections A-103. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3.1 New Connection A-106. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3.2 Connections to Partners in Other Projects A-108. . . . . . . . . . . . . . . . . . . . . . .
5.3.3 Further Functions A-111. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3.4 Connections Without Assignment A-112. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4 Configuring ISO Transport Connections A-115. . . . . . . . . . . . . . . . . . . . . . . . .
5.4.1 Specifying the Local Connection Endpoint A-116. . . . . . . . . . . . . . . . . . . . . . .
5.4.2 Specifying ISO Transport Addresses A-118. . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4.3 Specifying ISO Transport Dynamic Properties A-121. . . . . . . . . . . . . . . . . . . .
5.4.4 Checking ISO Transport Connection Properties A-123. . . . . . . . . . . . . . . . . .
5.5 Configuring ISO-on-TCP Connections Properties A-124. . . . . . . . . . . . . . . . .
5.5.1 Specifying the Local Connection Endpoint A-125. . . . . . . . . . . . . . . . . . . . . . .
5.5.2 Specifying ISO-on-TCP Addresses A-127. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5.3 Checking ISO-on-TCP Connection Properties A-130. . . . . . . . . . . . . . . . . . . .
5.6 Configuring TCP Connection Properties A-131. . . . . . . . . . . . . . . . . . . . . . . . .
5.6.1 Specifying the Local Connection Endpoint A-132. . . . . . . . . . . . . . . . . . . . . . .
5.6.2 Specifying TCP Addresses A-134. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Siemens SIMATIC NET S7-300 Specifications

General

Product Type Designation	SIMATIC NET S7-300
Mounting	DIN rail mounting
Protection Class	IP20
CPU Models	Various models available (e.g., CPU 312, CPU 314)
Communication Interfaces	MPI, PROFIBUS DP
Power Supply	24 V DC power supply required. Different power supply modules available.
I/O Modules	Digital input modules, digital output modules, analog input modules, analog output modules
Programming	STEP 7 software
Supply Voltage	24V DC or 120/230V AC (depending on model)
Digital Inputs	Available via digital input modules
Digital Outputs	Available via digital output modules
Analog Inputs	Available via analog input modules
Analog Outputs	Available via analog output modules
Communication Functions	MPI, PROFIBUS DP, Ethernet (depending on model)
Protocols	MPI, PROFIBUS DP, TCP/IP (depending on model)
Operating Temperature	0°C to 60°C
Storage Temperature	70 °C
Memory	Depends on CPU model (e.g., 32 KB to 1.5 MB)