5 Operation
5-12
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
5-3 Configuring the Slave Devices
After adding each of the slave DTMs to the network, configurations have to be selected for each of
them. Setting up a configuration involves
• Selecting the proper I/O modules, which define the I/O data to be exchanged when operational.
• Setting up the device parameters, which will be send to the device to make or verify its settings.
• Selecting the group assignment, which defines the group of slave devices each slave belongs to
and to allow sending Global-Control commands to this particular group.
All these settings will be downloaded to the Master Unit, which will send the data to the individual slave
devices over the PROFIBUS network.
Opening the DTM Configuration User Interface
In order to define the I/O configuration, the DTM Configuration User Interface must be opened. To
do this, either
• select the device in the Network view and double-click the left mouse button.
• select the device in the Network view, right click the mouse and select Configuration from
the context menu.
The figure below, shows the DTM User Interface for the CJ1W-PRT21 PROFIBUS DP slave device
The DTM Configuration User Interface displays two lists.
• The Available Modules list, which contains the I/O modules the user can select.
• The Configured Modules list, which contains all the I/O modules selected by the user.
5-3-1 Defining the I/O Configuration
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