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38 • Appendix

Difference between Symmetrical and Asymmetrical Transmission Procedures

WAGO-I/O-SYSTEM

750

Telecontrol Quick-Start Manual

4.2 Difference between Symmetrical and Asymmetrical

Transmission Procedures

Fig. 40: Symmetrical transmission procedures of the primary and secondary connection layer

Fig. 41: Asymmetrical transmission procedure, primary and secondary station

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Содержание 750-872

Страница 1: ...Modular I O System Quick Start Manual for ETHERNET Fieldbus Controller 750 872 Version 1 0 0...

Страница 2: ...49 0 571 8 87 5 55 Fax 49 0 571 8 87 85 55 E Mail Every conceivable measure has been taken to ensure the accuracy and completeness of this documentation However as errors can never be fully excluded...

Страница 3: ...th CoDeSys 2 3 16 2 4 1 Communication via the RJ 45 Interface TCP IP 20 2 4 2 Communication via the Serial Interface 24 2 5 Creating a Program 28 2 6 Downloading the Program to the 750 872 Controller...

Страница 4: ...y products are always indicated without any notes concerning patent rights Thus the existence of such rights must not be excluded 1 1 2 Personnel Qualification The use of the product described in this...

Страница 5: ...static Discharge Warning of damage to the components through electrostatic discharge Observe the precautionary measure for handling components at risk of electrostatic discharge Note Routines or advic...

Страница 6: ...could impair the operation of the contact The WAGO I O SYSTEM 750 and its components are an open system It must only be assembled in housings cabinets or in electrical operation rooms Access must onl...

Страница 7: ...Telecontrol Quick Start Manual Additional Information You will find the Ethernet TCP IP 750 872 and WAGO I O PRO CAA manuals on the WAGO I O PRO CAA CD 759 911 on the ELECTRONICC Tools Docs CD Item No...

Страница 8: ...ode as follows from left to right 750 872 750 400 750 501 750 461 750 600 Connect the 24V DC power unit to the supply 24V and 0V for the controller and for the power contacts see Fig 1 For the applica...

Страница 9: ...dress is conveniently assigned using the serial programming cable provided and the WAGO Ethernet Settings program Connect your PC to the node s configuration and programming interface Install the WAGO...

Страница 10: ...t Up WAGO I O SYSTEM 750 Telecontrol Quick Start Manual Fig 3 WAGO Ethernet Settings If the connection should time out you can force the display to update with Identify If the problem should persist c...

Страница 11: ...dress under Windows IP address 192 168 0 44 SubNetMask 255 255 255 0 Network address 192 168 0 Computer address 44 Select a free computer address from the local network You can identify the network ad...

Страница 12: ...h cable to a hub or switch NOTE Alternatively the IP address for the controller can also be assigned with the WAGO BootP Server instead of with WAGO Ethernet Settings The address is assigned via the E...

Страница 13: ...ed and changed using Web Based Management WBM To use this start your browser and enter http in the URL line followed by the IP address of the node for example http 192 168 0 3 The integrated web serve...

Страница 14: ...to be carried out when a CoDeSys version below 2 3 9 7 is used From CoDeSys Version 2 3 9 7 the WAGO target system is already included in the installation To install the WAGO target system the instal...

Страница 15: ...py of the link to CoDeSys and open the Properties from the context menu right mouse button In the newly opened window you must enter a space and remote in the Target box after CoDeSys V2 3 Codesys exe...

Страница 16: ...ialog window Fig 11 Target system settings Please select WAGO_750 872 as the target system In the next dialog window the selected target system must be confirmed with OK If you do not want to write yo...

Страница 17: ...rom the I O Module Catalog under Digital Input on the left hand side and transfer it to the right hand side in your selection using the Insert button Then select the module 750 501 from the I O Module...

Страница 18: ...ow assign whether the module outputs are to be written by the controller PLC or by a specified Ethernet protocol Fieldbus 1 Modbus TCP or Fieldbus 2 Ethernet IP Fig 11 Fig 14 WAGO I O PRO CAA I O conf...

Страница 19: ...aration in the I O configurator Now enter the following variable names Start for address IX2 0 Valve1_closed for address IX2 1 Valvel1_open for address QX0 0 Valvel2_open for address QX0 1 Temperature...

Страница 20: ...m the following communications protocols 101 via the serial interface Serial 104 via the RJ 45 interface TCP IP 2 4 1 Communication via the RJ 45 Interface TCP IP Highlight the required interface to t...

Страница 21: ...information object 1 Individual message is selected The message then appears in the right hand window as IEC870_01M_SP_NA 0001 001 001 65793 In order to assign a variable to the message it must be hi...

Страница 22: ...tems BL BOOL SB BOOL NT BOOL and IV BOOL Fig 21 Setting the variables for Ethernet messages In the case of the message setting for 9 Measurement normalized the variable for an analog input e g Tempera...

Страница 23: ...ogram PLC_PRG PRG will no longer be called processed To rectify this an additional task must also be generated for the PLC_PRG PRG To do this click on Task configuration with the right mouse button an...

Страница 24: ...Data servers serial and click the ADD button between the bottom two boxes in order to select the communications interface The interface IEC60870_Server101 001 will appear in the bottom right hand box...

Страница 25: ...he ADD button between the two bottom windows In this example the information object 1 Individual message is selected The individual message then appears in the right hand window as IEC870_01M_SP_NA 00...

Страница 26: ...Valve2_open must be entered in the command settings for the individual command 45 Individual command in the box SCD BOOL variable The commands and messages are automatically generated in a new module...

Страница 27: ...task will now be created and immediately opened for the settings to be made The name PLC_PRG for example can be entered under Name in Task Properties The call interval Cyclic can be selected and a tim...

Страница 28: ...LC_PRG must now be opened from the Modules tab and a simple program created in the instruction section e g as shown below Fig 28 The program When the test program has been compiled without errors it c...

Страница 29: ...mmunications parameters in the menu and create a new communications channel Select TCP IP 3S TCP IP driver Enter the IP address of your coupler e g 192 168 0 3 under Address Enter 2455 as the port The...

Страница 30: ...loading install the software according to the instructions which are also available on the website The central processor and or the outstations can be simulated using the tool The communication can al...

Страница 31: ...ter setting Receiver Transmitter1 First of all the function of the PC must be defined In this example the program is intended to simulate the central processor so Central processor must be selected af...

Страница 32: ...e Fig 32 Parameterizing a command WinPP104 In the newly started window the Type must be set to 45 Individual command and 2 Command recognition must be set to 3 continuous command Command recognition c...

Страница 33: ...ent to the station Controller 750 872 by clicking Send and the digital output 2 is permanently energized 3 2 Simulating Telecontrol via the Serial Interface with the WinPP101 Program Start the WinPP10...

Страница 34: ...t Manual Fig 35 General parameters WinPP101 Next the parameters for the function of the central processor must be entered The window for setting the parameters is reached via Parameter setting Receive...

Страница 35: ...ation WAGO Controller 750 872 to the central processor PC are now displayed when their values change Commands from the central processor to the station can be simulated These can be executed under Par...

Страница 36: ...e WinPP101 Program WAGO I O SYSTEM 750 Telecontrol Quick Start Manual Fig 38 Command specification and confirmation that the command has arrived at the controller Important All entries made in the par...

Страница 37: ...YSTEM 750 Telecontrol Quick Start Manual 4 Appendix 4 1 Application Data Structure Fig 39 Application data structure ASDU Telegram data unit Common ASDU address The ASDU station address consists of an...

Страница 38: ...GO I O SYSTEM 750 Telecontrol Quick Start Manual 4 2 Difference between Symmetrical and Asymmetrical Transmission Procedures Fig 40 Symmetrical transmission procedures of the primary and secondary con...

Страница 39: ...the transmission the value retains the state that was detected before it was blocked A block may be applied and removed by a local interlock or automatic system for example SB BOOL Substituted Not sub...

Страница 40: ...tion object it must set the quality identifier BL Otherwise it must pass on the quality identifier BL as received from the lower level SB If an intermediate device replaces the value of an information...

Страница 41: ...eSys 2 2 14 Fig 10 Properties for the copy of CoDeSys V2 3 15 Fig 11 Target system settings 16 Fig 12 WAGO I O PRO CAA PLC Configuration 16 Fig 13 WAGO I O PRO CAA I O configuration 17 Fig 14 WAGO I O...

Страница 42: ...34 Fig 37 Receiver Transmitter settings Page 2 WinPP101 35 Fig 38 Command specification and confirmation that the command has arrived at the controller 36 Abb 39 Application data structure 37 Fig 40...

Страница 43: ......

Страница 44: ...WAGO Kontakttechnik GmbH Co KG PO Box 2880 D 32385 Minden Hansastra e 27 D 32423 Minden Phone 49 0 571 8 87 0 Fax 49 0 5 71 8 87 1 69 E Mail Internet http www wago com...

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