Functions
5.9 Standard machine projects
PROFINET with STEP 7 V15
228 Function Manual, 12/2017, A5E03444486-AH
In this case, you use the instruction "ReconfigIOSystem" to transfer a data record to the
PROFINET interface adding the optional IO device to the configuration.
Determined through parameter assignment: IO Device_2 is optional IO device
Configuration without the optional IO device
Configuration with the optional IO device
Figure 5-82 Example configuration with "Optional IO device" and the associated configuration options
Summary: The procedure in principle
The following phases are distinguished when it comes to the implementation of a standard
machine concept:
1. Engineering phase: Creating a standard machine project and loading into specific
machine or plant:
– Completely configuring all IO devices (options) ever required in a specific machine or
plant
– Configuring as optional those IO devices that will be omitted in specific machines or
plants
– Configuring the interconnection of ports with respect to various arrangements of IO
devices
– Preparing user program (see Configuring flexible order of IO devices (Page 236)) with
the possibility of selecting on-site the actually existing configuration via switch or HMI
device
2. Commissioning phase: Preparing specific machine or plant for operation:
– Integrating machine or plant in the on-site network (see Adapt multiple use IO systems
locally (Page 224))
– Selecting the currently existing configuration of the IO system via configured option
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