Siemens SIMATIC NET CP 342-5 Manual
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Siemens SIMATIC NET CP 342-5 Manual

S7 cps for profibus
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CP 342-5 / CP 342-

SIMATIC NET
S7 CPs for PROFIBUS
CP 342-5 / CP 342-5 FO
Manual
Manual Part B
10/2011
C79000-G8976-C146-09
5 FO

___________________
Product overview and notes
___________________
Properties / services
___________________
Requirements for use
Installation and
___________________
commissioning
Displays and operator
___________________
controls
Performance data and
___________________
behavior in operation
___________________
Further notes on operation
___________________
Compatibility with the
previous product
___________________
Technical specifications
___________________
Certifications and approvals
___________________
References
1
2
3
4
5
6
7
8
A
B

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Summary of Contents for Siemens SIMATIC NET CP 342-5

  • Page 1 ___________________ CP 342-5 / CP 342- 5 FO Product overview and notes ___________________ Properties / services ___________________ Requirements for use SIMATIC NET Installation and ___________________ commissioning S7 CPs for PROFIBUS Displays and operator ___________________ CP 342-5 / CP 342-5 FO controls Performance data and ___________________...
  • 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: Product Overview And Notes

    Product overview and notes ① 9-pin D-sub female connector ② Duplex sockets for optical connectors ③ Status and error displays ④ Mode selector ⑤ Connector for power supply and functional ground CP 342-5 / CP 342-5 FO Manual, 10/2011, C79000-G8976-C146-09...
  • Page 4 You will find this manual on the Manual DVD that ships with every CP or on the Internet under the following entry ID: 1158693 (http://support.automation.siemens.com/WW/view/en/1158693) ● Part B - Manual "S7 CPs for PROFIBUS CP 342-5 / CP 342-5 FO" (this manual)
  • Page 5 You will find the SIMATIC NET glossary here: ● SIMATIC NET Manual DVD The DVD ships with most SIMATIC NET products. ● On the Internet under the following entry ID: 50305045 (http://support.automation.siemens.com/WW/view/en/50305045) CP 342-5 / CP 342-5 FO Manual, 10/2011, C79000-G8976-C146-09...
  • Page 6 Product overview and notes CP 342-5 / CP 342-5 FO Manual, 10/2011, C79000-G8976-C146-09...

  • Page 7: Table Of Contents

    Table of contents Product overview and notes........................3 Properties / services ..........................9 Application............................9 Communications services ......................9 Requirements for use ..........................11 Operation in control device families.....................11 Project engineering ........................11 Programming..........................12 Installation and commissioning ........................ 15 Important notes on using the device....................15 Procedure for installation and commissioning ................17 Displays and operator controls ........................
  • Page 8 Table of contents Compatibility in the user program in DP mode ................38 Technical specifications ........................... 43 Certifications and approvals........................45 References .............................. 47 Index................................ 51 CP 342-5 / CP 342-5 FO Manual, 10/2011, C79000-G8976-C146-09...

  • Page 9: Properties / Services

    Properties / services Application Automation system The CP 342-5/342-5 FO 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. Communications services Supported communications services The current version of the CP 342-5/342-5 FO supports the following communications services: ●...
  • Page 10 Properties / services 1.2 Communications services ● S7 communication and PG/OP communication – PG functions with uploading / downloading of FM modules, configuration / diagnostics and routing – Operator control and monitoring functions (HMI) Multiplexing TD/OP connections When multiplexing OP connections, the following acyclic services are supported: - read once - write once - read system status list...

  • Page 11: Requirements For Use

    Requirements for use Operation in control device families SIMATIC device families You can operate the CP in the following device families: ● SIMATIC S7-300 stations with the following CPU types: – Standard – Compact – Modular ● SIMATIC C7 compact units in C7 packaging system ●...

  • Page 12: Programming

    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: 8797900 (http://support.automation.siemens.com/WW/news/en/8797900) This recommendation assumes that you are using the latest firmware for the particular module type.
  • Page 13 Requirements for use 2.3 Programming Further information ● On programming and use of the CP as DP master or DP slave On initializing the CP as DP master or DP slave and on the running of the program, see /1/ (Page 47) ●...
  • Page 14 Requirements for use 2.3 Programming CP 342-5 / CP 342-5 FO Manual, 10/2011, C79000-G8976-C146-09...

  • Page 15: Installation And Commissioning

    Installation and commissioning Important notes on using the device Safety notices on the use of the device The following safety notices must be adhered to when setting up and operating the device and during all associated work such as installation, connecting up, replacing devices or opening the device.
  • Page 16 Installation and commissioning 3.1 Important notes on using the device General notices on use in hazardous areas WARNING Risk of explosion when connecting or disconnecting the device EXPLOSION HAZARD DO NOT CONNECT OR DISCONNECT EQUIPMENT WHEN A FLAMMABLE OR COMBUSTIBLE ATMOSPHERE IS PRESENT. WARNING Replacing components EXPLOSION HAZARD...

  • Page 17: Procedure For Installation And Commissioning

    Installation and commissioning 3.2 Procedure for installation and commissioning WARNING Suitable cables for temperatures in excess of 70 °C If the cable or conduit entry point exceeds 70°C or the branching point of conductors exceeds 80°C, special precautions must be taken. If the equipment is operated in an air ambient in excess of 50 °C, only use cables with admitted maximum operating temperature of at least 80 °C.
  • Page 18 Installation and commissioning 3.2 Procedure for installation and commissioning 3. Connect the CP to the power supply. Follow the instructions as described in detail in /2/ (Page 48) when wiring between the power supply and the CPU. NOTICE Connecting to the power supply ...

  • Page 19: Displays And Operator Controls

    Displays and operator controls 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 4-1 LEDs on the front panel The LEDs have the following meaning: ●...
  • Page 20 Displays and operator controls 4.1 LED displays SF(red) BUSF (red) RUN (green) STOP (yellow) CP operating mode Stopping (RUN → STOP) The time required for the signaled mode change depends on the size of the STEP 7 project; this can take up to 1 minute in large projects.

  • Page 21: Mode Selector

    Displays and operator controls 4.2 Mode selector Mode selector Controlling the mode There are different ways in which you can control the mode of the CP 342-5/342-5 FO, as follows: ● Mode selector ● STEP 7 configuration software: – SIMATIC Manager / menu command: PLC > Display Accessible Nodes –...
  • Page 22 Displays and operator controls 4.2 Mode selector CP 342-5 / CP 342-5 FO Manual, 10/2011, C79000-G8976-C146-09...

  • Page 23: Performance Data And Behavior In Operation

    Performance data and behavior in operation Transmission speeds supported The transmission speed is set with the SIMATIC STEP 7 configuration software. For permitted values, refer to Table 8-1 CP 342-5 (Page 43) and Table 8-2 CP 342-5 FO (Page 44) NOTICE Remember the cable length The permitted cable length must be kept to depending on the transmission speed.
  • Page 24 Performance data and behavior in operation 5.2 Characteristic data of the DP interface / DP master Note Optimum token passing You can achieve optimum token passing by taking the following measures:  Assign the lower PROFIBUS addresses to the active nodes. ...

  • Page 25: 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 ID: 21628502 (http://support.automation.siemens.com/WW/view/en/21628502) Characteristic data of the DP interface / DP slave General characteristic data...
  • Page 26 CP 342-5 (6GK7 342-5DA03-0XE0) SI0180D6.GSD CP 342-5 FO(6GK7 342-5DF00-0XE0) SIEM80D7.GSD You will find the GSD files on the Internet under the following entry ID: 113652 (http://support.automation.siemens.com/WW/view/en/113652) Size of the DP data areas DP input area 240 bytes max. DP output area 240 bytes max.

  • Page 27: Characteristic Data Of Open Communications Services (Send/Receive Interface) Over Fdl Connections

    Performance data and behavior in operation 5.4 Characteristic data of open communications services (SEND/RECEIVE interface) over FDL connections Note Time values are guidelines The times shown for DP slave mode should only be considered as guideline values. The values apply only when no other services (for example PG functions) are processed on the Characteristic data of open communications services (SEND/RECEIVE interface) over FDL connections General characteristic data...

  • Page 28: Characteristics Of S7 Communication

    Performance data and behavior in operation 5.5 Characteristics of S7 communication Time response on FDL connections Refer to the following table for transmission rates with FDL connections dependent on the following parameters: ● Frame length (number of bytes) ● CPU type The values were measured while sending or receiving successively (at a transmission rate of 1.5 Mbps;...
  • Page 29 Performance data and behavior in operation 5.5 Characteristics of S7 communication Execution times for program blocks for S7 connections The following table will help you to calculate the CPU cycle times (OB1) for S7 connections. The table contains the execution time of the program blocks (PUT, GET, USEND, URCV, BSEND, BRCV) required for DP processing on the S7-300 / C7-300 CPU.

  • Page 30: Characteristic Data For Multiplexing Op Connections

    Performance data and behavior in operation 5.6 Characteristic data for multiplexing OP connections Characteristic data for multiplexing OP connections General characteristic data The following information is important when operating HMI (TD/OP) connections: Characteristic Explanation / values Number of operable HMI connections 16 max.
  • Page 31 Performance data and behavior in operation 5.7 Parallel use of communications services (multiprotocol mode) Note the following limits: Characteristic Explanation / values Number of operable connections in total: 44 maximum in operation with PROFIBUS DP  Of these, up to 16 FDL connections and 12 S7 (DP master with up to 15 DP slave connections and 16 OP connections in multiplex mode.
  • Page 32 Performance data and behavior in operation 5.7 Parallel use of communications services (multiprotocol mode) CP 342-5 / CP 342-5 FO Manual, 10/2011, C79000-G8976-C146-09...

  • Page 33: Further Notes On Operation

    Further notes on operation General operation on PROFIBUS Startup response with modified transmission speed If you change the transmission speed when downloading the configuration, expect a significantly longer startup delay on the CP. The startup delay can run into several minutes. NOTICE Clear/reset CP Reset the CP memory before you download configuration data with a different transmission...

  • Page 34: Interface In The User Program

    Other information available about the CP FAQs on the Internet You will find detailed information (FAQs) on using the PROFIBUS S7-CPs at the following Internet address (entry type: FAQ): 10805945 (http://support.automation.siemens.com/WW/view/en/10805945) CP 342-5 / CP 342-5 FO Manual, 10/2011, C79000-G8976-C146-09...

  • Page 35: Compatibility With The Previous Product

    Compatibility with the previous product 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) ● CP 342-5 (6GK7 342-5DA01-0XE0) ● CP 342-5 (6GK7 342-5DA02-0XE0) The CP 342-5 (6GK7 342-5DF00-0XE0) is also functionally compatible with the named CPs, however it uses an optical instead of the electrical PROFIBUS interface.
  • Page 36 Compatibility with the previous product 7.1 Enhanced functions and modifications All other functional and performance characteristics of CP 342-5 and CP 342-5 FO functionally compatible. Note Time for loading firmware During the construction of the new hardware, both the hardware and software were redesigned for the CP342-5 (6GK7342-5DA03-0XE0).

  • Page 37: Replacing Older Modules / Module Replacement

    Compatibility with the previous product 7.2 Replacing older modules / module replacement 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 38: Compatibility In The User Program In Dp Mode

    Compatibility with the previous product 7.3 Compatibility in the user program in DP mode 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 is not configured and does not occupy any address space.
  • Page 39 Compatibility with the previous product 7.3 Compatibility in the user program in DP mode 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 342-5DF00-0XE0 CP 342-5 6GK7 342-5DA03-0XE0 Cyclic reading of the...
  • Page 40 Compatibility with the previous product 7.3 Compatibility in the user program in DP mode 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 342-5DF00-0XE0 CP 342-5 6GK7 342-5DA03-0XE0 Deterministic sending / receipt...
  • Page 41 Compatibility with the previous product 7.3 Compatibility in the user program in DP mode Note on 8: Consistency in the data acceptance between CP and user program Depending on the behavior in the user program, you can consider different areas as consistent data areas on the transfer interface between CP and user program.
  • Page 42 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: 8797900 (http://support.automation.siemens.com/WW/news/en/8797900) This recommendation assumes that you are using the latest firmware for the particular module type.

  • Page 43: Technical Specifications

    Technical specifications General technical specifications Table 8- 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...
  • Page 44 Technical specifications Table 8- 2 CP 342-5 FO 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, 12 Mbit/s Interfaces Connection to PROFIBUS Duplex sockets for optical connectors Maximum current consumption on the PROFIBUS interface 100 mA at 5V when connecting network components (for example optical network components)

  • Page 45: Certifications And Approvals

    Certifications and approvals Approvals of the CP 342-5 / CP 342-5 FO WARNING Information on standards and approvals Before you put the device into operation, read the information on standards and approvals in Part A of this manual /1/ (Page 47). The CP has the following approvals or conforms to the following directives: ●...
  • Page 46 Certifications and approvals 16689636 (http://support.automation.siemens.com/WW/news/en/16689636) → tab "Entry List" Filter settings: ● Entry type: "Certificates" ● Certificate type: "Declaration of conformity" ● Search item(s): <name of the module> CP 342-5 / CP 342-5 FO Manual, 10/2011, C79000-G8976-C146-09...

  • Page 47: References

    References Where to find Siemens documentation ● You will find the order 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 48 References B.2 On installing and commissioning the CP (SIMATIC NET Manual Collection) On the Internet under the following entry ID: 1158693 (http://support.automation.siemens.com/WW/view/en/1158693) On installing and commissioning the CP SIMATIC S7 Automation System S7-300 ● CPU 31xC and 31x Installation: Operating Instructions On the Internet under the following entry ID: 13008499 (http://support.automation.siemens.com/WW/view/en/13008499)
  • Page 49 References B.3 On programming On the Internet under the following entry ID: 30564821 (http://support.automation.siemens.com/WW/view/en/30564821) SIMATIC System and Standard Functions for S7-300/400 - Volume 1/2 Reference manual Siemens AG (part of the STEP 7 documentation package STEP 7 Basic Knowledge) (part of the online documentation in STEP 7) On the Internet under the following entry ID: 1214574 (http://support.automation.siemens.com/WW/view/en/1214574)
  • Page 50 References B.3 On programming CP 342-5 / CP 342-5 FO Manual, 10/2011, C79000-G8976-C146-09...

  • Page 51: Index

    Index Number of connectable, 35 Operation as, 9 DP slave mode, 21, 26, 38 DP slaves Activate/deactivate, 24 AG_SEND DP_CTRL Status displays, 34 Acyclic global control with CLEAR job, 39 AG_SEND / AG_RECV, 27 Cyclic global control, 39 ATEX, 16 Cyclic reading of the inputs/outputs, 39 Automation system, 9 DP_DIAG...
  • Page 52 Index I/O configuration limits DP master, 35 S7 communication, 10 I/O configuration limits DP slave, 35 Influence of the data length, 31 S7 connections, 10 Quantity, 28 S7 standard rail, 17 Safety extra low voltage, 15 Lack of resources, 24 Safety notices, 15 LEDs Set current DP mode, 38...

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