User Manual

Communication via PROFIBUS and PROFINET
3.5 S7 communication
Fieldbuses
Function Manual, 04/2018, FW V4.7 SP10, A5E34229197B AE
57
Settings at the SIMATIC panel
Procedure
1.
Configure the connection using WinCC flexible
– Enter a name for the connection
– Set the value in the "Active" column to "On"
– Select
"SIMATIC S7 300/400"
as the communication driver.
– Set the value in the "Online" column to "On"
2.
Make the following settings for the configured connection:
– Select the interface (IF1 B for PROFIBUS, "Ethernet" for PROFINET)
– Set the baud rate for PROFIBUS
– Assign a bus address (PROFIBUS) or an IP address (PROFINET)
– Select S7ONLINE as the access point
– If no other control is connected to the inverter, select "Only master on bus"
– Select cyclical operation.
3.
ON/OFF1:
– Create a variable for the parameter p2900, which refers to the address "Data module
2900 with the data word DBD 0 (data type double word)":
DB2900.DBD 0
You can switch ON/OFF1 on the panel using one or two buttons.
4.
Setpoint
– Create a variable for the parameter 1001, which refers to the address "Data module
1001 with the data word DBD 0 (data type real)":
DB1001.DBD 0
You can display it through an I/O field.
5.
Actual value display
– Create a variable for the parameter r0021, which refers to the address "Data module
21 with the data word DBD 0 (data type real)":
DB21.DBD 0
You can display it through an I/O field.
6.
Status display
– Create a variable for the parameter r0052, which refers to the address "Data module
52 with the data word DBW 0 (data type word)":
DB52.DBW 0
You can display it through an I/O field with a binary display, for example.
You have now made the most important settings in the SIMATIC panel.
❒