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Siemens SIMATIC NET S7-300-PROFIBUS CP 342-5 Equipment Manual

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CP 342-5
SIMATIC NET
S7-300 - PROFIBUS
CP 342-5
Equipment Manual
Manual Part B
01/2023
C79000-G8976-C146-11
Preface
Application and functions
LEDs and mode selector
Installation, wiring,
commissioning, removal
Configuration and
operation
Diagnostics and upkeep
Technical specifications
Certifications and
approvals
References
1
2
3
4
5
6
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B

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Summary of Contents for Siemens SIMATIC NET S7-300-PROFIBUS CP 342-5

  • Page 1 CP 342-5 Preface Application and functions SIMATIC NET LEDs and mode selector Installation, wiring, commissioning, removal S7-300 - PROFIBUS CP 342-5 Configuration and operation Diagnostics and upkeep Equipment Manual Technical specifications Certifications and approvals References Manual Part B 01/2023 C79000-G8976-C146-11...
  • Page 2 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.

  • Page 3: Preface

    Preface ① 9-pin D-sub female connector ② Status and error displays ③ Mode selector ④ Connector for power supply and functional ground Validity of this manual This manual contains information on the following products: • CP 342−5 Article number: 6GK7 342-5DA03-0XE0 Hardware version: 2 Firmware version: V6.0.66 Communications processor for connection of SIMATIC S7-300 / to PROFIBUS DP...
  • Page 4 Replaced documentation This manual replaces the manual edition 07/2017. Current manual edition on the Internet You will also find the current version of this manual on the Internet pages of Siemens Industry Online Support: CP 342-5: (https://support.industry.siemens.com/cs/ww/en/ps/15674/man) You can find the documentation for the discontinued CP 342-5 FO here: CP 342-5 FO: (https://support.industry.siemens.com/cs/ww/en/ps/15675/man)
  • Page 5 Siemens’ products and solutions undergo continuous development to make them more secure. Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used. Use of product versions that are no longer supported, and failure to apply the latest updates may increase customers’...
  • Page 6 Siemens contact. Keep to the local regulations. You will find information on returning the product on the Internet pages of Siemens Industry Online Support: Link: (https://support.industry.siemens.com/cs/ww/en/view/109479891) SIMATIC NET glossary The SIMATIC NET glossary describes terms that may be used in this document.

  • Page 7: Table Of Contents

    Table of contents Preface ..............................3 Application and functions ........................9 Application .......................... 9 Interfaces and connectors ....................9 Communications services ....................10 Performance data and behavior in operation ..............11 1.4.1 Transmission speeds supported ..................11 1.4.2 Characteristic data of the DP interface / DP master .............. 11 1.4.3 Characteristic data of the DP interface / DP slave ..............
  • Page 8 Table of contents Interface in the user program (status of blocks) ..............40 Diagnostics and upkeep ........................41 Loading firmware ......................41 Technical specifications ........................45 Certifications and approvals ........................ 47 References ............................53 On configuring and using the CP ..................53 B.1.1 /1/ .............................

  • Page 9: Application And Functions

    Application and functions Application Automation system The CP communications processor is intended for operation in a SIMATIC S7-300 / C7-300 automation system. It allows connection of the S7-300 / C7-300 to a PROFIBUS fieldbus system. Interfaces and connectors The connectors are located behind the cover of the housing of the CP. Connection to PROFIBUS •...

  • Page 10: Communications Services

    Application and functions 1.3 Communications services Communications services Supported communications services In its current configuration, the CP supports the following communications services: • PROFIBUS DP – as DP master class 1 (PROFIBUS DP according to EN 50170 DPV0, DP master) –...

  • Page 11: Performance Data And Behavior In Operation

    Application and functions 1.4 Performance data and behavior in operation • Open communications services (SEND/RECEIVE interface) over FDL connections of the following type: – Specified FDL connections – Free layer 2 connections (SDA, SDN) – Broadcast – Multicast The services of the CP listed above can be used independently at the same time. Performance data and behavior in operation 1.4.1 Transmission speeds supported...
  • Page 12 Application and functions 1.4 Performance data and behavior in operation Note Optimum token passing You can achieve optimum token passing by taking the following measures: • Assign the lower PROFIBUS addresses to the active nodes. • In the "Highest PROFIBUS address" input box, enter the highest PROFIBUS address of an active node.

  • Page 13: Characteristic Data Of The Dp Interface / Dp Slave

    You will find important information on using and configuring (importing the GSD file) S7 slaves (ET200) when operating the CP as DP master on the Internet under the following entry Link: (https://support.industry.siemens.com/cs/ww/en/view/21628502) 1.4.3 Characteristic data of the DP interface / DP slave...
  • Page 14 Application and functions 1.4 Performance data and behavior in operation Characteristic Explanation / values You will find GSD files on the Internet at the following address: Link: (https://support.industry.siemens.com/cs/ww/en/view/113652) Size of the DP data areas DP input area 240 bytes max.

  • Page 15: Characteristic Data Of Open Communications Services (Send/Receive Interface) Over Fdl Connections

    Application and functions 1.4 Performance data and behavior in operation 1.4.4 Characteristic data of open communications services (SEND/RECEIVE interface) over FDL connections General characteristic data The characteristic data is important when operating FDL connections (specified, free layer 2 (SDA and SDN), broadcast, multicast): Characteristic Explanation / values Total number of FDL connections that can be...

  • Page 16: Characteristics Of S7 Communication

    Application and functions 1.4 Performance data and behavior in operation 1.4.5 Characteristics of S7 communication General characteristic data The following information is important when operating S7 connections: Characteristic Explanation / values Number of operable S7 connections 16 maximum S7 connections configured at one end / both ends;...

  • Page 17: Characteristic Data For Multiplexing Op Connections

    Application and functions 1.4 Performance data and behavior in operation The values were measured while sending or receiving successively (at a transmission rate of 1.5 Mbps; bus profile standard; 9 nodes). Table 1- 2 Number of S7 frames per second for CPU 317 Request type Frame length Number of S7 frames per...

  • Page 18: Parallel Use Of Communications Services (Multiprotocol Mode)

    Application and functions 1.4 Performance data and behavior in operation 1.4.7 Parallel use of communications services (multiprotocol mode) Speed Using the various available communications services at the same time affects the communication speed. Note Recommendation for multiprotocol mode In multiprotocol mode - DP + FDL + S7 functions / TD/OP connections - you should select a delay time of 2-5 ms.

  • Page 19: Requirements For Use

    Application and functions 1.5 Requirements for use The information in the following table applies to S7 job types BSEND/BRCV, PUT/GET, and USEND/URCV. Data length in bytes Number of S7 connections or number of S7 jobs S7 communication With DP master and 32 With DP master and 32 only DP slaves ET200B...

  • Page 20: Project Engineering

    Application and functions 1.5 Requirements for use 1.5.2 Project engineering Configuration and downloading the configuration data It is possible to download the configuration data to the CP via MPI or PROFIBUS. The following version of STEP 7 is required: STEP 7 version Functions of the CP STEP 7 as of V5.1 The functional range of the following CP type can...

  • Page 21: Program Blocks

    You will find information on the current block versions and the current blocks to download from the Internet in our Customer Support under entry ID: Link: (https://support.industry.siemens.com/cs/ww/en/ps/15673/pm) This recommendation assumes that you are using the latest firmware for the particular module type.

  • Page 22: Compatibility With The Previous Product

    Application and functions 1.6 Compatibility with the previous product Compatibility with the previous product 1.6.1 Enhanced functions and modifications Replacing a module The CP 342-5 (6GK7 342-5DA03-0XE0) is suitable as a replacement for the following predecessor products: • CP 342-5 (6GK7 342-5DA00-0XE0) •...

  • Page 23: Replacing Older Modules / Module Replacement

    Application and functions 1.6 Compatibility with the previous product 1.6.2 Replacing older modules / module replacement Module replacement If you replace one of the modules listed below with the new module CP 342-5 (6GK7 342- 5DA03-0XE0), remember the following procedure: Module used up to now What to do / module replacement 6GK7 342-5DA00-0XE0...

  • Page 24: Compatibility In The User Program In Dp Mode

    Application and functions 1.6 Compatibility with the previous product Note What to do with a slot left empty If you cannot eliminate gaps in the slots left by replacing modules by closing up the remaining modules, you will need to use a dummy module (6ES7 370-0AA01-0AA0). The dummy module is not configured and does not occupy any address space.
  • Page 25 Application and functions 1.6 Compatibility with the previous product Topic / relates to Response of the device types New response of the device types CP 342-5 6GK7 342-5DA00-0XE0 CP 342-5 6GK7 342-5DA02-0XE0 CP 342-5 6GK7 342-5DA01-0XE0 CP 342-5 6GK7 342-5DA03-0XE0 Trigger cyclic global control via - is supported - The following applies to the DP master mode:...
  • Page 26 Application and functions 1.6 Compatibility with the previous product Topic / relates to Response of the device types New response of the device types CP 342-5 6GK7 342-5DA00-0XE0 CP 342-5 6GK7 342-5DA02-0XE0 CP 342-5 6GK7 342-5DA01-0XE0 CP 342-5 6GK7 342-5DA03-0XE0 Jobs with DP_SEND and DP slave mode: Depending on the use, it is adequate to...
  • Page 27 We recommend that you always use the latest block versions for all module types. You will find information on the current block versions and the current blocks for downloading in Siemens Industry Online Support: Link: (https://support.industry.siemens.com/cs/ww/en/ps/15673/pm) This recommendation assumes that you are using the latest firmware version for the particular module type.
  • Page 28 Application and functions 1.6 Compatibility with the previous product CP 342-5 Equipment Manual, 01/2023, C79000-G8976-C146-11...

  • Page 29: Leds And Mode Selector

    LEDs and mode selector LED displays LEDs on the front panel On the front panel, you will see the following LEDs for displaying the operational and communications status: Figure 2-1 LEDs on the front panel The LEDs have the following meaning: •...
  • Page 30 LEDs and mode selector 2.1 LED displays Table 2- 2 LED display schemes SF (red) BUSF STOP CP operating mode (red) (green) (yellow) Startup and operating statuses Starting up (STOP → RUN) Running (RUN) Stopping (RUN → STOP) The time required for the signaled mode change depends on the size of the STEP 7 project;...

  • Page 31: Mode Selector

    LEDs and mode selector 2.2 Mode selector Mode selector Controlling the mode There are different ways in which you can control the operating status of the CP, as follows: • Mode selector • STEP 7 configuration software: – SIMATIC Manager / menu command: PLC > Display Accessible Nodes –...
  • Page 32 LEDs and mode selector 2.2 Mode selector CP 342-5 Equipment Manual, 01/2023, C79000-G8976-C146-11...

  • Page 33: Installation, Wiring, Commissioning, Removal

    Installation, wiring, commissioning, removal Important notes on using the device The following safety notices must be adhered to when setting up and operating the device and during all associated work such as installing, connecting, replacing or removing devices. 3.1.1 Notes on use in hazardous areas WARNING The device may only be operated in an environment with pollution degree 1 or 2 as described in EN/IEC 60664-1, GB/T 16935.1.

  • Page 34: Notes On Use In Hazardous Areas According To Ul Hazloc And Fm

    Installation, wiring, commissioning, removal 3.1 Important notes on using the device WARNING Suitable cables at high ambient temperatures in hazardous area Use heat-resistant cables with an ambient temperature ≥ 60 °C; these cables must be rated for an ambient temperature that is at least 20 °C higher. The cable entries used on the housing must comply with the IP degree of protection required by EN IEC 60079-0 / GB 3836.1.

  • Page 35: Installation, Removal And Repairs In Hazardous Areas

    Installation, wiring, commissioning, removal 3.2 Installation, removal and repairs in hazardous areas WARNING EXPLOSION HAZARD The equipment is intended to be installed within an ultimate enclosure. The inner service temperature of the enclosure corresponds to the ambient temperature of the module. Use installation wiring connections with admitted maximum operating temperature of at least 30 ºC higher than maximum ambient temperature.

  • Page 36: Installing, Connecting And Commissioning

    • Observe the device approvals applicable for your country. WARNING Unauthorized repair of devices in explosion-proof design Risk of explosion in hazardous areas • Repair work may only be performed by personnel authorized by Siemens. Installing, connecting and commissioning NOTICE Improper mounting Improper mounting may damage the device or impair its operation.
  • Page 37 Installation, wiring, commissioning, removal 3.3 Installing, connecting and commissioning WARNING Open equipment The devices are "open equipment" acc. to the standard IEC 61010-2-201 or UL 61010-2-201 / CSA C22.2 No. 61010-2-201. To fulfill requirements for safe operation with regard to mechanical stability, flame retardation, stability, and protection against contact, the following alternative types of installation are specified: •...

  • Page 38: Disassembly

    Installation, wiring, commissioning, removal 3.4 Disassembly 3. Connect the CP to the power supply. Follow the instructions as described in detail in /2/ (Page 54) when wiring between the power supply and the CPU. Note Connecting to the power supply •...

  • Page 39: Configuration And Operation

    Configuring in third-party systems via GSD file To allow configuration as DP slave in third-party systems, a GSD file is available. You will find this on the following page of Siemens Industry Online Support: Link: (https://support.industry.siemens.com/cs/ww/en/view/113652) The protocol variant DP-V1 or DP-V0 is decided during operation by the setting of the connected DP master.

  • Page 40: Interface In The User Program (Status Of Blocks)

    Configuration and operation 4.4 Interface in the user program (status of blocks) Interface in the user program (status of blocks) Status displays with the program block AG_SEND For the CP 342-5 (6GK7 342-5DA03-0XE0), note the following over and above the information in /4/ (Page 54), Release 03/2010: DONE ERROR...

  • Page 41: Diagnostics And Upkeep

    Loading firmware Firmware update If new firmware versions are available for the CP, you will find these on the Internet pages of Siemens Industry Online Support: Link: (https://support.industry.siemens.com/cs/ww/en/ps/15673/dl) Save the firmware file to the file system of your PG/PC. CP 342-5...
  • Page 42 Note: The use of an MPI cable is not permitted. • When loading us the Firmware Loader: Windows Start menu > "All Programs > Siemens Automation > SIMATIC > STEP 7 > NCM S7 > Firmware Loader" Loading with the Firmware Loader The Firmware Loader opens with the Start dialog.
  • Page 43 Diagnostics and upkeep 5.1 Loading firmware 7. If the station is prepared according to the instructions, start loading with the "Download" button. You can follow the loading of the firmware file with the LED pattern of the CP, see section LED displays (Page 29).
  • Page 44 Diagnostics and upkeep 5.1 Loading firmware CP 342-5 Equipment Manual, 01/2023, C79000-G8976-C146-11...

  • Page 45: Technical Specifications

    Technical specifications Table 6- 1 CP 342-5 Technical specifications Value Transmission speeds supported 9.6 kbps, 19.2 kbps, 45.45 kbps, 93.75 kbps, 187.5 kbps, 500 kbps, 1.5 Mbps, 3 Mbps, 6 Mbps, 12 Mbps Interfaces Connection to PROFIBUS 9-pin D-sub female connector Maximum current consumption on the PROFIBUS interface 100 mA at 5V when connecting network components...
  • Page 46 Technical specifications CP 342-5 Equipment Manual, 01/2023, C79000-G8976-C146-11...

  • Page 47: Certifications And Approvals

    You will find the declarations of conformity listed below and certificates of the product on the Internet at the following address: Link: (https://support.industry.siemens.com/cs/ww/en/ps/15674/cert) You can see the current versions of the standards in the relevant certificate, which you will find on the Internet at the address specified above.
  • Page 48 Directive of the European Parliament and of the Council of 8 June 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment UK Declaration of Conformity Importer UK: Siemens plc Sir William Siemens House Princess Road Manchester M20 2UR The product meets the requirements of the following directives: •...
  • Page 49 • EN IEC 60079-0 - Explosive atmospheres - Part 0: Equipment - General requirements • EN 60079-7 - Explosive Atmospheres - Part 7: Equipment protection by increased safety 'e' Importer UK: Siemens plc (see above) CP 342-5 Equipment Manual, 01/2023, C79000-G8976-C146-11...
  • Page 50 Certifications and approvals Classification: Ex na IIC T4 Gc The product meets the requirements of the following standards: • GB 3836.1 Explosive atmospheres - Part 0: Equipment - General requirements • GB 3836.3 Explosive atmospheres - Part 3: Equipment protection by increased safety "e" •...
  • Page 51 SIMATIC NET products are regularly submitted to the relevant authorities and approval centers for approvals relating to specific markets and applications. If you require a list of the current approvals for individual devices, consult your Siemens contact or check the Internet pages of Siemens Industry Online Support: Link: (https://support.industry.siemens.com/cs/ww/en/ps/15673/cert)
  • Page 52 Certifications and approvals CP 342-5 Equipment Manual, 01/2023, C79000-G8976-C146-11...

  • Page 53: References

    References Where to find Siemens documentation • Article numbers You will find the article numbers for the Siemens products of relevance here in the following catalogs: – SIMATIC NET - Industrial Communication / Industrial Identification, catalog IK PI – SIMATIC - Products for Totally Integrated Automation and Micro Automation, catalog...

  • Page 54: On Installing And Commissioning The Cp

    References On installing and commissioning the CP On installing and commissioning the CP SIMATIC S7 S7-300 Automation System Siemens AG • CPU 31xC and 31x Installation: Operating instructions Link: (https://support.industry.siemens.com/cs/ww/en/view/13008499) • Module Data: Reference manual Link: (https://support.industry.siemens.com/cs/ww/en/view/8859629) SIMATIC NET PROFIBUS Network Manual...

  • Page 55: Index

    Index DP_CTRL Acyclic global control with CLEAR job, 25, 25 Cyclic global control, 25 Cyclic reading of the inputs/outputs, 24 AG_SEND DP_DIAG Status displays, 40 Status displays, 40 AG_SEND / AG_RECV, 15 DP_RECV, 13, 26 Automation system, 9 DP_SEND, 13, 26 Battery backup, 20 Enhanced DP master functions, 12 Broadcast, 11...
  • Page 56 Index Service & Support, 6 Set current DP mode, 24 Lack of resources, 12 Shared input/output (acyclic), 12 LEDs SIMATIC C7 control systems, 19 For display of the operating state, 29 SIMATIC device families, 19 on the front panel, 29 SIMATIC NET glossary, 6 SIMATIC S7-300 / C7-300, 9 SINUMERIK, 19...

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