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S7-USB user manual
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2019/10/05 05:07
2. Choose File - >Preferences… to configure the communication configuration between the computer and
the PLC. A new dialog appears which provides to set up a lot of configuration data about the
communication with your PLC.
3. Choose the first registry card „Interface“ (standard) and set up the configuration data as described
below:
⇒ Area: „Preferences from:“ ⇒PC
⇒ Area: „PLC Type:“ ⇒ S7
⇒ Area: „Protocol:“ ⇒ MPI - Umsetzer
⇒ Area: „Serial Port:“
⇒ Choose the virtual COM port which has been created by PLC - VCom (e.g. „COM 4”).
⇒ Area: „Baud Rate“ ⇒ Choose the speed you want to use at the bus (e.g. „115200“)
⇒ Area: „MPI Converter:“ - Activate the checkbox „Only Master at the Bus“ if you have only one PLC in the
bus.
- Leave the fields „ S7W MPI Address“ and „MPI Address PLC“ as it is.
