Siemens PROFINET CP 343-1

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Requirements for use

3.3 Programming

CP 343-1

28 Manual, 10/2012, C79000−G8976−C201-07

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Preface3
Table of Contents7
Properties / Services9
Application9
Enhanced Functions9
Communication Services10
Other Services12
The CP as Web Server13
Performance Data15
Transmission and Reaction Times15
Number of Possible Ethernet/Profinet Connections15
Characteristics of S7 Communication16
Characteristic Data of the SEND/RECEIVE Interface17
PROFINET IO Characteristic Data18
Characteristic Data of the Integrated Switch21
Requirements for Use23
Operation in Control Device Families23
Project Engineering26
Programming27
Leds29
Installation, Connecting up and Commissioning33
Important Notes on Using the Device33
Installing the CP, Connecting Power and Ground35
Connecting the CP to Ethernet38
Notes on Configuration and Operation41
Project Engineering41
Controlling the Mode41
Network Settings42
Influence of MPI on Connections Via Industrial Ethernet44
Profinet Io45
How PROFINET IO Devices Start up in a Large Configuration45
PROFINET IO When Operating Other Services at the same Time45
Effects of Multicast Communication on RT Communication45
IP Configuration46
Detection of Double IP Addressing in the Network46
Obtain IP Address Vie DHCP: CP STOP on Expiry of the Lease46
Configured S7 Connections Cannot be Operated if the IP Address Is Assigned over DHCP47
IP Access Protection Using the IP Access Control List with a PROFINET IO Device47
Media Redundancy47
Timeofday Synchronization47
SNMP Agent48
Possible Security Gaps on Standard IT Interfaces: Preventing Unauthorized Access50
Programmed Communication Connections51
Programmed Communication Connections with FB55 IP_CONFIG51
Programmed Communications Connections - Assigning Parameters to the Ports51
IP Access Protection with Programmed Communication Connections51
Permitted Length of ICMP Packets52
Service and Maintenance53
Memory Reset / Reset to Factory Defaults53
Memory Reset - ACL54
Loading New Firmware54
Replacing a Module55
Replacing Older Modules55
Module Replacement / Upgrading56
Replacing a Module Without a Programming Device59
Technical Specifications61
Approvals63
References67
Index75

Siemens PROFINET CP 343-1

Table of Contents

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