3 Configuration Software
3-16
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
Configuration Interface Buttons
The Master DTM Configuration User Interface contains four general buttons. They are listed in the
table below, together with the action taken when pressing them.
Precautions for Correct UsePrecautions for Correct Use
Save in the context of the buttons means that the changes made by the user are saved in the
DTM only, i.e. the changes are not permanently saved in the Project yet. This is indicated by the
asterisk next to the DTM in the Network view. The next time in the same session the GUI is
opened, the changes will still be there. In order to save the changes permanently, e.g. to hard
disk, Click the File - Save option from the main menu of CX-ConfiguratorFDT.
The Device setup tab (see figure above) provides the controls to achieve communication between
the PC and the PROFIBUS Master Unit. It allows setting of the unit number to identify it on the NJ-
series control unit and the device address to identify it on the PROFIBUS network. It also will invoke
the CX-Server interface to setup and test the communication between the PC and the CPU to which
the Unit is attached.
The Device Setup tab has the following components.
Settings Box
The Settings box contains the setting the user must make before setting up the communication and
before testing the communication.
Configure Button
The Configure button invokes the CX-Server communications settings dialog. CX-Server is the
driver software, providing the communication functionality between a PC and the CPU.
CX-Server is provided with CX-ConfiguratorFDT, but it may already be installed on the PC, if other
programs such as CX-Programmer have been installed.
Section 3-2-3 Connecting to the CJ1W-PRM21 will provide more details on how to configure CX-
Server.
Button Action
OK Evaluate, and save the changes made (if any) and close the user interface.
If any invalid settings have been made, a warning message will be dis-
played, allowing cancellation of the command.
Cancel Close the user interface without saving.
If any changes were made, a warning message is displayed, allowing can-
cellation of the command.
Help Launch context sensitive Help for the Active tab.
Save Evaluate changes and save them.
Device Setup Tab
Control Description
Station Address Address of the Unit in the PROFIBUS network. Default value is 1, but it
should be changed if there is already another device with that number.
Unit Number This number must be the same as the number selected with the Unit Num-
ber Selector switch on the front of the Unit (refer to 2-1-3 Switch Settings).
This number is used in the communication between the PC and the CPU to
transmit the messages to the targeted PROFIBUS Master Unit
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