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Configuring PROFINET IO Devices

Configuring Hardware and Communication Connections with STEP 7

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4.2.4 Selecting and Arranging IO Devices

The procedure for selecting and arranging IO devices is essentially the same as

the one for PROFIBUS DP.

Requirement

An IO system must be available and visible in the station window.

Procedure

1. As with PROFIBUS DP, you will find the IO devices (correspond to the slaves

used with PROFIBUS DP) in their own catalog section called "PROFINET IO".

Open the folder desired under "PROFINET IO".

2. Drag-and-drop the IO devices to position them or double-click an IO system.

3. If you are dealing with a modular IO device, then insert the required modules or

submodules into the IO device.

The IO devices are represented with symbols in the station window, much like the

slaves on PROFIBUS. A symbols contains the device number (possibly

abbreviated) and the device name.

Configuring IO devices

IO devices have property sheets in which you can change the address information

(device number and device name) automatically assigned by STEP 7 when the

device is inserted as well as the diagnostic address of the IO device.

In such a property sheet you can start the dialog for changing the interface and the

subnet properties. To do this, click the "Ethernet" button in the property sheet. The

dialog box that then appears contains the IP address, which you can then change.

Depending on the IO device, you can select a check box to disable the assignment

of the IP address by the IO controller.

Parameters that apply to the entire IO device can be set in this dialog box.

The properties of an IO device are determined by its associated GSD file.

Navigation options

To locate IO devices quickly, you can select the Edit > Go To > Ethernet Node

menu command. The dialog box that is then displayed lists all IO systems and the

IO devices connected to them. For IO systems, the associated subnet is shown.

For IO devices, the designation (device name), device number and the IP address

are shown.

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Siemens S7-400 Manual de Serviço Página 160