1. Setup Guide - Profibus communication AC141x with Step 7 V5.5 English

2. Connect the Profibus Unit Create a Project and set the PG/PC Interface
Contents:
Connect the Profibus Unit
Create a Project and set the PG/PC Interface
Configure the Hardware
Configure the Profibus Gateway
Transfer the Project
Monitor the Inputs and Outputs
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3. Connect the Profibus Unit
Siemens PLC with Profibus Interface
ifm AS-i / PB Gateway AC141x
Laptop / PC
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4. 2. Create a Project and set the PG/PC Interface
Create project
Start Simatic Manager with icon from desktop
Use an appropriate name for the project
Confirm with OK
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5. 2. Create a Project and set the PG/PC Interface
Set the PG/PC-Interface using „Options -> Set PG/PC Interface“.
Choose the PC from the list of Ethernet interfaces.
Confirm with OK
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6. 3. Configure the Hardware
Add the Simatic Station
Add the PLC to the project : „Insert -> Station -> Simatic 300 Station or Simatic 400 Station“
Open the Hardware configuration
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7. 3. Configure the Hardware
Add Rail
Add the Rack Rail by using „drag and drop“ on the respective icon from the catalogue.
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8. 3. Configure the Hardware
Add CPU
Add the CPU by using „drag and drop“ to the respective slot from the catalogue.
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9. 3. Configure the Hardware
Set the Ethernet interface
Enter the IP address for the Ethernet interface of the PLC
Click „New…“ to add the ethernet connection
Enter an appropriate name for the Ethernet connection
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10. 3. Configure the Hardware
Set Ethernet interface
The Ethernet interface „Ethernet1“ is now added. Close the configuration session with OK.
This interface will be used to upload and download the PLC configuration and program
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11. 4. Configure the Profibus Gateway
Install GSD File
The „Generic Station Description “ File (GSD File) is required in order to integrate the Profibus gateway into the hardware configuration. When using the Profibus gateway with the Step 7 system for the first time, the GSD File is to be installed via „Options -> Install GSD File….“
Choose the GSD File with „Browse…“
Start the installation
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12. 4. Configure the Profibus Gateway
Add the Profibus path – right click on the MPI/DP interface to create the Profibus connection
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13. 4. Configure the Profibus Gateway
Add the Profibus path – right click on the MPI/DP interface to create the Profibus connection 1 2 3
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14. 4. Configure the Profibus Gateway
Add the Profibus gateway
Choose the Profibus gateway from the catalogue using the following steps: „Profibus DP -> Additional Field Devices -> Gateway -> ifm electronic gmbh -> AS-Interface -> AC1411/12-PB V2.0 and add it to Profibus network.
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15. 4. Configure the Profibus Gateway
Description of the Slots
Slots 1 - 4: digital IO signals M1/M2 (address 0-63)
Slots 5 - 6: analogue inputs M1/M2 (address 256 – 263)
Slots 7 - 8: analogue outputs M1/M2 (address 256 – 263)
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16. 4. Configure the Profibus Gateway
Description of Slots
Slots 1 - 4: digital IO signals
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17. 4. Configure the Profibus Gateway
Description of Slots
Slots 5 - 6: analogue inputs/outputs,
Data mapping and corresponding parameter setting:
analogue channels per input / output slave" = 1
analogue channels per input / output slave" = 2
„analogue channels per input / output slave" = 4 is not suitable for this representations since it can be defined by the user.
. Complete table for data mapping is given in the Device Manual
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18. 5. Transfer the Project
Save the configuration using Ctrl + S or „Station -> Save and Compile“
Load the configuration to PLC using Ctrl + L or „PLC -> Download“
If the configuration is correct, the bus error LEDs (BF 1 and BF 2) are out and the system error LED (SF) of the CPU is green.
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19. 6. Monitor the Inputs and Outputs
Create a Variable Table (VAT) in Step7
Insert -> Range of Variables…
IW for Input Words or PIW for Periphery Input Words
IB für Input Bytes or PIB for Periphery Input Bytes
Ix.y for Input-Bits, for example . I64.1 for bit 1 in input byte 64
-> Read inputs via monitor variable (glasses)
QW for Output Word or PQW for Periphery Output Word
QB for Output Byte or PQB for Periphery Output Byte
Qx.y for Output Bit, for example Q64.1 for bit 1 in output byte 64
-> Outputs can be set via Variable Control
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20. 6. Monitor the Inputs and Outputs
Add variable table by right clicking left window, Insert New Object –> Variable table
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21. 6. Monitor the Inputs and Outputs
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22. 6. Monitor the Inputs and Outputs
Open VAT table by clicking on VAT1
To add variables, Go to Insert  Range of Variable
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23. 6. Monitor the Inputs and Outputs
To Monitor values, Variable  Monitor
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24. 6. Monitor the Inputs and Outputs
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