3 Configuration Software
3-34
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
Selecting the Groups
Specific groups to send the Global-Control command to, can be defined by selecting the appropriate
checkbox. Selecting the All Slaves checkbox will disable the individual checkboxes and result in a
Global-Control command to all slave devices.
Transmit Global-Control Command
In order to transmit the Global-Control, press the Transmit button. The command will be transmitted
only once. Both the Global-Control command contents, group select and the transmit command are
transferred to the Unit through its device variables (see section 4-2-1 Software Switches (*_SwCmd)
and section 4-2-2 Global-Control Command (*_GlobCtlCmd)).
Precautions for Correct UsePrecautions for Correct Use
When transmitting a Global-Control command, it may interfere with attempts from the CPU Pro-
gram to write to the same software switches. Care should be taken to avoid these situations.
Configuring Communication
The PROFIBUS Master DTM uses CX-Server to connect to the Unit for both downloading a configu-
ration as well as monitoring the Master Unit. To setup the communication to the Unit, perform the fol-
lowing procedure.
1
Open the Master DTM Configuration Interface, Device Setup tab (see section 3-3-1 Configura-
tion User Interface).
2
Select the Unit Number. It must match the unit number set on the PROFIBUS Master Unit,
through the rotary switch on the front.
3
Select the Configure button to start CX-Server.
CX-Server
Up on pressing the Configure button, CX-Server is launched and displays the CX-Server User Inter-
face as shown below.
3-2-3 Connecting to the CJ1W-PRM21
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