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Installation and commissioning

3.1 Important notes on using the device

CP 342-5 / CP 342-5 FO

Manual, 10/2011, C79000-G8976-C146-09

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
SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION

2 OR ZONE 2.

WARNING

Requirements for the cabinet/enclosure
When used in hazardous environments corresponding to Class I, Division 2 or Class I,

Zone 2, the device must be installed in a cabinet or a suitable enclosure.

WARNING

Restricted area of application
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or non-

hazardous locations only.

WARNING

Restricted area of application
This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations

only.

General notices on use in hazardous areas according to ATEX

WARNING

Requirements for the cabinet/enclosure
To comply with EU Directive 94/9 (ATEX95), this enclosure must meet the requirements of

at least IP54 in compliance with EN 60529.

Summary of Contents for CP 342-5

Page 1: ..._______ SIMATIC NET S7 CPs for PROFIBUS CP 342 5 CP 342 5 FO Manual Manual Part B 10 2011 C79000 G8976 C146 09 Product overview and notes Properties services 1 Requirements for use 2 Installation and commissioning 3 Displays and operator controls 4 Performance data and behavior in operation 5 Further notes on operation 6 Compatibility with the previous product 7 Technical specifications 8 Certific...

Page 2: ...t documentation in particular its warning notices and safety instructions Qualified personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING Siemens products may only be used for the applications described in the catalog and in the...

Page 3: ...nual 10 2011 C79000 G8976 C146 09 3 Product overview and notes 3 3 2 9 pin D sub female connector Duplex sockets for optical connectors Status and error displays Mode selector Connector for power supply and functional ground ...

Page 4: ...e 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 License conditions NOTICE Open source software Read the license conditions for open source software carefully before using the product The acceptance of the disclaimers of liability an...

Page 5: ...342 5 FO When the function being described only applies to one of the two device types CP 342 5 or CP 342 5 FO the text will point out which device the information applies to SIMATIC NET glossary Explanations of the specialist terms used in this documentation can be found in the SIMATIC NET glossary You will find the SIMATIC NET glossary here SIMATIC NET Manual DVD The DVD ships with most SIMATIC ...

Page 6: ...Product overview and notes CP 342 5 CP 342 5 FO 6 Manual 10 2011 C79000 G8976 C146 09 ...

Page 7: ...peration 23 5 1 Transmission speeds supported 23 5 2 Characteristic data of the DP interface DP master 23 5 3 Characteristic data of the DP interface DP slave 25 5 4 Characteristic data of open communications services SEND RECEIVE interface over FDL connections 27 5 5 Characteristics of S7 communication 28 5 6 Characteristic data for multiplexing OP connections 30 5 7 Parallel use of communication...

Page 8: ... contents CP 342 5 CP 342 5 FO 8 Manual 10 2011 C79000 G8976 C146 09 7 3 Compatibility in the user program in DP mode 38 8 Technical specifications 43 A Certifications and approvals 45 B References 47 Index 51 ...

Page 9: ...fieldbus system 1 2 Communications services Supported communications services The current version of the CP 342 5 342 5 FO supports the following communications services PROFIBUS DP as DP master class 1 PROFIBUS DP according to EN 50170 DPV0 DP master as DP slave PROFIBUS DP according to EN 50170 DPV0 DP slave NOTICE DP master or DP slave Please note however The CP 342 5 342 5 FO supports operatio...

Page 10: ... both ends The following blocks functions are available BSEND FB 12 BRCV FB 13 PUT FB 14 GET FB 15 USEND FB 8 URCV FB 9 C_CNTRL FC 62 You will find a more detailed description in 5 Page 49 Note The partner station can be an S7 300 S7 400 or PG PC application with SIMATIC NET OPC server raw data tags using BSEND BRECV to WinCC are not supported Server for data exchange on connections configured at ...

Page 11: ...s 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 be configured 6GK7 342 5DA02 0XE0 6GK7 342 5DF00 0XE0 STEP 7 as of V5 4 5 with Hotfix 4 and HSP 1049 STEP 7 as of V5 5 2 STEP 7 Professional V11 The functional range of the foll...

Page 12: ...he CP on the CPU If you use this option this means that module replacement is possible without having to load the configuration data from the PG again The configuration data is then stored in load memory of the CPU Storage of the configuration data is protected from power failure by the battery backup or the EPROM module card in the CPU 2 3 Programming Program blocks For some communications servic...

Page 13: ...r 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 Interfaces and program sequence Refer to the documentation of the program blocks in the online help of STEP 7 or in the manual 4 Page 48 ...

Page 14: ...Requirements for use 2 3 Programming CP 342 5 CP 342 5 FO 14 Manual 10 2011 C79000 G8976 C146 09 ...

Page 15: ...t beam could endanger your eyes WARNING Safety extra low voltage The equipment is designed for operation with Safety Extra Low Voltage SELV by a Limited Power Source LPS This does not apply to 100 V 240 V devices This means that only SELV LPS complying with IEC 60950 1 EN 60950 1 VDE 0805 1 must be connected to the power supply terminals The power supply unit for the equipment power supply must co...

Page 16: ...nts for the cabinet enclosure When used in hazardous environments corresponding to Class I Division 2 or Class I Zone 2 the device must be installed in a cabinet or a suitable enclosure WARNING Restricted area of application This equipment is suitable for use in Class I Division 2 Groups A B C and D or non hazardous locations only WARNING Restricted area of application This equipment is suitable f...

Page 17: ...oltage from being exceeded by transient voltage surges of more than 40 This criterion is fulfilled if supplies are derived from SELV Safety Extra Low Voltage only 3 2 Procedure for installation and commissioning What to do steps 1 Install the CP on the S7 standard rail Slots 4 to 11 are permitted for the CP in racks 0 to 3 connected by IM 360 361 2 Establish the connection via the enclosed bus con...

Page 18: ...a jumper inserted between the M and functional earth terminals If you want to ground the reference potential do not remove the jumper between the M and functional earth terminals Note the information in the SIMATIC S7 installation guidelines for grounding and chassis grounding see Auto Hotspot In this document you will find information on the topic Setting up an S7 300 with Earthed Reference Poten...

Page 19: ...581 6723 86 Figure 4 1 LEDs on the front panel The LEDs have the following meaning SF Group error BUSF Bus faults on the PROFIBUS interface RUN RUN mode STOP STOP mode Unlabeled LED placeholders have no meaning LEDs for displaying the operating mode The different combinations of the LEDs on the front panel indicate the status Table 4 1 LED display schemes SF red BUSF red RUN green STOP yellow CP o...

Page 20: ...CP remain possible Stopped STOP with error s In this state the CPU or intelligent modules in the rack remain accessible using PG functions Running RUN with problems on PROFIBUS Running RUN with problems on the DP slaves Ready to begin loading firmware Operating mode active for a period of 10 s or CP is in DP slave mode and is not involved in cyclic data exchange with the DP master Loading firmware...

Page 21: ...set the following modes Change from STOP to RUN The CP enters the configured and or loaded data in the work memory The CP then changes to STOP Diagnostics of the CP is possible Change from RUN to STOP The CP changes to STOP with the following response Established connections FDL and S7 connections are terminated Configuration and diagnostics of the CP are possible The following applies to DP mode ...

Page 22: ...Displays and operator controls 4 2 Mode selector CP 342 5 CP 342 5 FO 22 Manual 10 2011 C79000 G8976 C146 09 ...

Page 23: ...Refer to the information in 3 Page 48 5 2 Characteristic data of the DP interface DP master General characteristic data When operating the CP 342 5 342 5 FO as a DP master the following characteristic data is significant Characteristic Explanation values Number of operable DP slaves 124 max Total number of operable slots 1024 max Size of the DP data areas total DP input area DP output area 2160 by...

Page 24: ...quire extensive configuration and parameter assignment data In this case the configuration memory on the CP is not adequate You will receive a message in the diagnostics buffer of the CP indicating a lack of resources when you load the configuration data Enhanced DP master functions As DP master the CP 342 5 342 5 FO supports the following SYNC FREEZE acyclic Shared input output acyclic Enable dis...

Page 25: ...2 8 ms at 2160 bytes 1 1 the following applies at data lengths 240 bytes The data is transferred segmented over several block calls NOTICE Time values are guidelines The times shown for DP master mode should only be considered as guideline values The values apply only for a mono master configuration when no other services for example PG functions are processed on the CP NOTICE DP master mode and S...

Page 26: ...User parameter assignment data 3 bytes value 40 00 00 fixed User diagnostics data 0 bytes NOTICE Fail safe Fail safe mode is possible only if you use the GSD files listed in the table above Execution times of the program blocks for PROFIBUS DP The following table will help you to calculate the CPU cycle times OB1 in DP slave mode The table contains the execution time of the FCs FC DP_SEND FC DP_RE...

Page 27: ...number of FDL connections that can be operated 16 max Size of the transferable data area on FDL connections 1 240 bytes maximum per specified FDL connection for sending and receiving Free Layer 2 broadcast and multicast Up to 236 bytes of user data can be transferred per job The job header occupies an additional 4 bytes Execution times of the program blocks AG_SEND AG_RECV The following table will...

Page 28: ...tics 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 including PG and TD OP connections Dependencies and restrictions relating to the number of S7 connections Depending on the configuration and modes remem...

Page 29: ...th 160 bytes 16 K bytes CPU 314C 2DP 6ES7 314 6CF00 0AB0 5 6 ms 5 8 ms 6 0 ms 5 6 ms 5 7 ms 5 8 ms CPU 317 2PN DP 6ES7 317 2EJ10 0AB0 2 1 ms 2 5 ms 2 0 ms 2 4 ms 2 1 ms 2 7 ms Time response on S7 connections Refer to the following table for transmission rates with S7 connections dependent on the following parameters Frame length number of bytes Job type CPU type The values were measured while send...

Page 30: ...required please continue to use the rack slot addressing of the remote S7 300 CPU NOTICE PG connections and connections to WinCC PG connections and connections to WinCC are not operated over the multiplexer When operating a PG a connection resource is always occupied 5 7 Parallel use of communications services multiprotocol mode Performance Using the various available communications services at th...

Page 31: ...uence of the data length in S7 communication In S7 communication the data length of the jobs and in DP mode the number of DP slaves and the length of the I O data mean the following restrictions Number of S7 connections Number of jobs that can be sent at one time The decisive factor is the job with the highest data length The information in the following table applies to S7 job types BSEND BRCV PU...

Page 32: ...Performance data and behavior in operation 5 7 Parallel use of communications services multiprotocol mode CP 342 5 CP 342 5 FO 32 Manual 10 2011 C79000 G8976 C146 09 ...

Page 33: ...icantly 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 speed To reset memory use the corresponding function in the configuration tool or in special diagnostics 6 2 DP mode DP data exchange If the central CPU is in STOP mode substitute values are transferred ...

Page 34: ...and above the information in 4 Page 48 Release 03 2010 DONE ERROR STATUS Possible with DTYPE Meaning 1 0 0000H 0 1 and 4 9 Job completed without error Note With DTYPE 2 3 and 10 error free execution is indicated by a status code other than 0 Below see table DP_DIAG codes in 4 Page 48 you will see the detailed status codes for error free execution for the range 82XXH If an error occurs in execution...

Page 35: ...tional differences In the following table you can see the performance and functional characteristics that differ from the previously available device types CP type 6GK7 342 5 0XE0 Performance functional characteristics 5DA00 5DA01 5DA02 5DF00 5DA03 Number of connectable DP slaves 64 124 124 124 124 I O configuration limits DP master 240 bytes 2160 bytes 2160 bytes 2160 bytes 2160 bytes I O configu...

Page 36: ... 09 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 This resulted in a larger firmware load file that requires longer to load ...

Page 37: ...nfiguration You only need to remember the following distinction during commissioning With the module you are replacing you chose to have the configuration data stored on the CPU When you start up the CP the configuration data will be loaded automatically from the CPU You had not chosen this option for the CP you are replacing In this case load the configuration data again from your PG PC to the CP...

Page 38: ... effects in your user program The following table provides an overview Table 7 1 Changes in response Topic relates to Response of the device types CP 342 5 6GK7 342 5DA00 0XE0 CP 342 5 6GK7 342 5DA01 0XE0 New response of the device types CP 342 5 6GK7 342 5DA02 0XE0 CP 342 5 6GK7 342 5DF00 0XE0 CP 342 5 6GK7 342 5DA03 0XE0 DPSTATUS output parameter in program block DP_RECV DP master mode Bit 6 Dis...

Page 39: ...CP 342 5 described here the following services of program block DP_CTRL are no longer supported CTYPE 0 command mode CLEAR These job types are rejected with code 8318H 7 Trigger acyclic global control with CLEAR job using program block DP_CTRL 1 is supported The following applies to the DP master mode With the version of the CP 342 5 described here the following services of program block DP_CTRL a...

Page 40: ...ral times 12 Jobs with DP_SEND and DP_RECV 1 DP slave mode To start job processing the program blocks DP_SEND and DP_RECV must be activated at least once DP master mode To start received data processing the program block DP_RECV must be activated at least once Depending on the use it is adequate to activate program block DP_SEND or DP_RECV to activate job processing In DP master mode at least of t...

Page 41: ... must be counted or taken into account from the start address 0 of the DP data area under consideration Table 7 2 Consistency range in DP master mode Access method in the user program maximum area size with data consistency Variant 1 2160 bytes Variant 2 32 bytes Table 7 3 Consistency range in DP slave mode Access method in the user program maximum area size with data consistency Variant 1 240 byt...

Page 42: ... module types 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 Further information Refer to the documentation of the program blocks in the o...

Page 43: ...ion on the PROFIBUS interface when connecting network components 100 mA at 5V Rated voltage 24 V DC Current consumption from 24 V from S7 300 C7 300 backplane bus 120 mA typical 230 mA max 40 mA typical Cable cross section for 24 V 0 25 2 5 mm2 Power dissipation 5 W Permissible ambient temperature With horizontal installation of the rack With vertical installation of the rack 0 60 C 0 40 C Transpo...

Page 44: ...ypical 150 mA typical Cable cross section for 24 V 0 25 2 5 mm2 Power dissipation 6 W Permissible ambient temperature With horizontal installation of the rack With vertical installation of the rack 0 60 C 0 40 C Transport storage temperature Max relative humidity Operating altitude 40 C through 70 C 95 at 25 C Up to 2000 m above sea level Dimensions W x H x D mm 40 x 125 x 120 Weight Approx 300 g ...

Page 45: ...ndustrial environment emission EN 61000 6 4 2007 immunity EN 61000 6 2 2005 Explosion protection directive KEMA EC machinery directive UL 508 CSA C22 2 No 142 UL 1604 UL 2279 Pt 15 cULus HazLoc Class I Div 2 Class I Zone 2 T4 or ANSI ISA 12 12 01 cULus HazLoc Class I Div 2 Class I Zone 2 T4 FM 3611 Class I Division 2 Group A B C D T4 or Class I Zone 2 Group IIC T4 ATEX 94 9 EG II 3G Ex nA II T4 Zo...

Page 46: ...342 5 FO 46 Manual 10 2011 C79000 G8976 C146 09 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 ...

Page 47: ... support automation siemens com WW view en Enter the entry ID of the relevant manual as the search item The ID is listed below some of the reference entries in brackets As an alternative you will find the SIMATIC NET documentation on the pages of Product Support 10805878 http support automation siemens com WW view en 10805878 Go to the required product group and make the following settings Entry l...

Page 48: ... Internet under the following entry ID 13008499 http support automation siemens com WW view en 13008499 Module Data Reference manual On the Internet under the following entry ID 8859629 http support automation siemens com WW view en 8859629 Siemens AG 3 SIMATIC NET PROFIBUS Network Manual Siemens AG SIMATIC NET Manual Collection On the Internet under the following entry ID 10805945 http support au...

Page 49: ...ort automation siemens com WW view en 30564821 5 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 50 Manual 10 2011 C79000 G8976 C146 09 ...

Page 51: ... 9 DP master mode 21 23 25 38 DP master mode and S7 slaves ET 200 25 DP mode 21 DP modes 38 DP slave 9 25 Number of connectable 35 Operation as 9 DP slave mode 21 26 38 DP slaves Activate deactivate 24 DP_CTRL Acyclic global control with CLEAR job 39 Cyclic global control 39 Cyclic reading of the inputs outputs 39 DP_DIAG Status displays 34 DP_RECV 25 40 DP_SEND 25 40 E Enhanced DP master function...

Page 52: ... 17 PUT 29 R Replacing a module 35 37 Replacing a module without a programming device 12 Replacing components 16 Responder functionality of the DP master class 1 40 RUN mode 19 RUN to STOP 21 S S7 communication 10 Influence of the data length 31 S7 connections 10 Quantity 28 S7 standard rail 17 Safety extra low voltage 15 Safety notices 15 Set current DP mode 38 Shared input output acyclic 24 SIMA...

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