8.9.3 CFU PA: Read back IOs
The CFU PA enables easy detection of connected field devices with the commissioning wizard
and subsequent transfer of the configuration to the configuration.
Note
Configuration with and without commissioning wizard
● The CFU PA returns the IO set in the commissioning wizard.
● Without using the commissioning wizard, the CFU PA automatically sets the lowest
available PA profile in the field device and returns it to HW Config.
● As of Step7 V5.6 SP1 HF3, "Read back IOs" returns all available IOs of the field device. The
currently set IO is the default.
Requirements
● The CFU device name is downloaded to the CFU PA online.
● An online connection exists between the ES and the CFU PA.
● The electrical wiring of the field devices is complete.
Transferring the configuring results to the configuration
1. Open STEP 7 / HW Config.
2. Compile the configuring results and download the configuration.
3. Click the "Read back IOs" button in the slot table in HW Config.
4. Transfer this to the configuration.
5. Assign parameters of the freely configurable channels.
6. Compile the configuring results and download the configuration.
7. Optional: Assign parameters of the field devices using SIMATIC PDM.
Additional information
● You can find additional information on parameter assignment of the field devices in the
documentation of the field device.
● You can find additional information on using SIMATIC PDM in the SIMATIC PDM help.
● Section "Using a wizard for CFU configuration (Page 72)"
Commissioning
8.9 CFU PA: Commissioning (online)
SIMATIC CFU
102 Commissioning Manual, 08/2019, A5E39252870-AD
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