Siemens CP 343-1 manual Special Features of IP Configuration, Reserved Port Numbers

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9 Further Notes on Operation

SThe connections on which a job on the communication bus with a data length > 240 bytes is being processed are aborted temporarily.

SFETCH/WRITE connections are temporarily aborted.

On the FC interface in the user program, the condition codes made up of the DONE, ERROR and STATUS parameters must be evaluated in FC11 / FC12.

9.6Special Features of IP Configuration

Configured S7 connections cannot be operated if the IP address is assigned over DHCP

Notice

If you obtain the IP address over DHCP, any S7 connections you may have configured will not work. Reason: The configured IP address is replaced by the address obtained over DHCP during operation.

9.7Reserved Port Numbers

The following local port numbers are reserved; You should not use these for other purposes in the connection configuration.

Table 9-1 Reserved Port Numbers

Protocol	Port number	Service

TCP	20, 21	FTP

TCP	25	SMTP

TCP	80	HTTP

TCP	102	RFC1006

TCP	135	RPC−DCOM

UDP	161	SNMP_REQUEST

UDP	34964	PN IO

UDP	65532	NTP

UDP	65533	NTP

UDP	65534	NTP

UDP	65535	NTP

CP 343-1 Lean for Industrial Ethernet / Manual Part B3L	B3L−51
Release 03/2007

C79000-G8976-C198-04

Image 51

Contents CP 343-1 Lean S7-CPs for Industrial EthernetCompatibility with the Previous Version Address label Unique MAC address preset for the CPProduct Names Printed Product Information Supplied with the ProductContents B3L−53 B3L−33B3L−44 B3L−46B3L−5 Properties / ServicesServices ApplicationProperties / Services B3L−7 ConfigurationProgramming − Using Blocks Version / NCM IE Functions of the CPOrder Number Requirements for UseGeneral Operation B3L−8CPU 314 IFM B3L−9B3L−10 Step Explanation / Meaning Installation and Commissioning Procedure / StepsGround/Chassis Ground Concept B3L−13 Not relevant for Profinet IO data DC 5 V power supply via the backplane bus green = OKDisplays Acyclic data exchange, for example Send/ReceiveGreen LEDs for displaying the modeCP Operating Mode SFred BF redP1 / P2 LEDs for displaying the CP communication statusB3L−16 Display Meaning RX/TX greenNumber of Possible Connections over Ethernet Characteristic Data for S7 CommunicationCharacteristic Explanation / Values Performance DataCharacteristics of the SEND/RECEIVE Interface Execution Times of the FCs Agsend / AgrecvComponent Explanation / Values Characteristic Data for Profinet IO CP as Profinet IO deviceExecution times of the FCs Pniosend / Pniorecv Intelligent Profinet IO Device Configuring and Programming the CP as a Profinet IO DeviceConfigurationProgramming Overview of the Preparatory StepsPrinciple of Data Exchange over Profinet IO Installing the CP and Specifying it as Profinet IO Device ConfigurationB3L−23 Download the configuration data to the Simatic 300 stationRequirements for Configuration in Step Configuring the Profinet IO controllerProfinet IO Controller B3L−25 ResultProperties Dialog of the Device Assigning the Device Name Configuring the properties of the CP as Profinet IO deviceProgramming Interface for Programming on the Profinet IO DeviceFCs Initialization and Configuration Data consistencyInitialization Reasons for reinitialization WatchdogB3L−29 Pniorecv Pniosend Example of Configuration and ProgrammingB3L−31 Call interface Pniosend in the user programB3L−32 Call interface Pniorecv in the user programWeb diagnostics opens with the Start Web DiagnosticsSettings for Access to Diagnostic Data Starting and Working with Web DiagnosticsLayout of the Diagnostics Pages Diagnostics Pages of the CPStatus StartParameter Function GeneralVersion IdentificationParameter IdentificationRack Configuration Rack name Rack ConfigurationB3L−38 Diagnostic Buffer EventsDetails no. of the event IP parameters Industrial EthernetParameters Tab Network attachmentStatistics Tab TCP Connections TabUDP Connections Tab Parameters of a Profinet IO Device Profinet IO ConfigurationAssigned Pnio controller B3L−43Extended Functionality Replacing Older Modules / Replacing Faulty ModulesUse as a Replacement Compatibility with Predecessor ProductsModule Replacement Originally configured module Configuration StepsB3L−45 Further Notes on Operation Memory ResetHow to Use the Function DefaultsAutocrossing Working with Fast Ethernet − automatic switchoverBehavior after Memory Reset How Automatic Switchover of the Network Settings WorksFurther Notes Automatic Setting or Individual Network SettingsSupported MIB Objects Snmp AgentInfluence of MPI on Connections via Industrial Ethernet Access Permissions using Community NameSpecial Features of IP Configuration Protocol Port number ServiceReserved Port Numbers Gsdml file Other information available about the CPRequirements How to Load New FirmwareHow to Download New Firmware LEDs to Indicate the CP ModeB3L−54 Technical SpecificationsB3L−55 B3L−56

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