Setup Guide - Profibus communication
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Transcript Setup Guide - Profibus communication
Setup Guide - Profibus communication
AC141x with Step 7 V5.5
English
Setup Guide - Profibus communication - AC141x with Step 7 V5.5
Contents:
1.
2.
3.
4.
5.
6.
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
1.
Connect the Profibus Unit
Laptop / PC
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Siemens PLC with
Profibus Interface
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ifm AS-i / PB Gateway
AC141x
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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
2. Create a Project and set the PG/PC Interface
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
Confirm with OK
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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
4. Configure the Profibus Gateway
Description of the Slots
Slots 1 - 4:
Slots 5 - 6:
Slots 7 - 8:
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digital IO signals M1/M2 (address 0-63)
analogue inputs M1/M2 (address 256 – 263)
analogue outputs M1/M2 (address 256 – 263)
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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
4. Configure the Profibus Gateway
Description of Slots
Slots 1 - 4: digital IO signals
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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
6. Monitor the Inputs and Outputs
Add variable table by right clicking left window, Insert New Object –> Variable table
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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
6. Monitor the Inputs and Outputs
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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
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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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
6. Monitor the Inputs and Outputs
To Monitor values, Variable Monitor
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Setup Guide - Profibus communication - AC141x with Step 7 V5.5
6. Monitor the Inputs and Outputs
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