Ground/Chassis Ground Concept | Siemens CP 343-1 specification

3 Installation and Commissioning

	Slider for setting	Attachment to Industrial
	Slider for setting	Ethernet:
	the chassis	2 x 8-pin RJ-45 jack
	ground contact	2 x 8-pin RJ-45 jack
Figure 3-1	Connectors of a CP 343−1 Lean with the Front Panel Open

Ground/Chassis Ground Concept

Notice

Please note the instructions regarding the grounding and chassis ground concept in the SIMATIC S7 installation guides; see “SIMATIC S7 Programmable Controller S7−300 − Installation and Hardware: Installation Manual” /1/.

Behind the hinged panel on the left of the device, you will see a slider with which you can connect or disconnect the chassis ground of the 24 V power supply with reference ground.

SSlider pushed in: chassis and reference ground connected (note: the slider must be felt to lock in place).

SSlider pulled out: No connection between chassis and reference ground. When shipped: Slider pushed in

Use a screwdriver to set the slider.

Note

An Ethernet cable can also be inserted and removed with the power supply on.

B3L−12	CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
	Release 03/2007

C79000-G8976-C198-04

Image 12

Siemens CP 343-1 manual Ground/Chassis Ground Concept

Contents

S7-CPs for Industrial Ethernet CP 343-1 Lean Address label Unique MAC address preset for the CP Product NamesPrinted Product Information Supplied with the Product Compatibility with the Previous Version Contents B3L−33 B3L−44B3L−46 B3L−53 Properties / Services ServicesApplication B3L−5 Properties / Services Configuration Programming − Using BlocksVersion / NCM IE Functions of the CP B3L−7 Requirements for Use General OperationB3L−8 Order Number B3L−9 CPU 314 IFM B3L−10 Installation and Commissioning Procedure / Steps Step Explanation / Meaning Ground/Chassis Ground Concept B3L−13 DC 5 V power supply via the backplane bus green = OK DisplaysAcyclic data exchange, for example Send/Receive Not relevant for Profinet IO data LEDs for displaying the mode CP Operating ModeSFred BF red Green LEDs for displaying the CP communication status B3L−16Display Meaning RX/TX green P1 / P2 Characteristic Data for S7 Communication Characteristic Explanation / ValuesPerformance Data Number of Possible Connections over Ethernet Characteristics 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 Configuring and Programming the CP as a Profinet IO Device ConfigurationProgrammingOverview of the Preparatory Steps Intelligent Profinet IO Device Principle of Data Exchange over Profinet IO Configuration Installing the CP and Specifying it as Profinet IO Device Download the configuration data to the Simatic 300 station B3L−23 Requirements for Configuration in Step Configuring the Profinet IO controllerProfinet IO Controller Result B3L−25 Configuring the properties of the CP as Profinet IO device Properties Dialog of the Device Assigning the Device Name Programming Interface for Programming on the Profinet IO DeviceFCs Initialization and Configuration Data consistencyInitialization Reasons for reinitialization WatchdogB3L−29 Example of Configuration and Programming Pniorecv Pniosend Call interface Pniosend in the user program B3L−31 Call interface Pniorecv in the user program B3L−32 Web Diagnostics Settings for Access to Diagnostic DataStarting and Working with Web Diagnostics Web diagnostics opens with the Start Diagnostics Pages of the CP Layout of the Diagnostics Pages Start Parameter FunctionGeneral Status Identification ParameterIdentification Version Rack Configuration Rack Configuration Rack name B3L−38 Diagnostic Buffer EventsDetails no. of the event Industrial Ethernet Parameters TabNetwork attachment IP parameters Statistics Tab TCP Connections TabUDP Connections Tab Profinet IO Configuration Parameters of a Profinet IO Device B3L−43 Assigned Pnio controller Replacing Older Modules / Replacing Faulty Modules Use as a ReplacementCompatibility with Predecessor Products Extended Functionality Module Replacement Originally configured module Configuration StepsB3L−45 Memory Reset How to Use the FunctionDefaults Further Notes on Operation Working with Fast Ethernet − automatic switchover Behavior after Memory ResetHow Automatic Switchover of the Network Settings Works Autocrossing Automatic Setting or Individual Network Settings Further Notes Snmp Agent Supported MIB Objects Access Permissions using Community Name Influence of MPI on Connections via Industrial Ethernet Special Features of IP Configuration Protocol Port number ServiceReserved Port Numbers Other information available about the CP Gsdml file How to Load New Firmware How to Download New FirmwareLEDs to Indicate the CP Mode Requirements Technical Specifications B3L−54 B3L−55 B3L−56