3 Configuration Software
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CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
Retrieving Slave Diagnostics
Provided that the Master Unit is not in OFFLINE or STOP mode, the diagnostics of a specific slave
device can be obtained from the indicators. Moving the mouse cursor over the indicator will change
the cursor from a normal arrow pointer to a hand. Left clicking the mouse will then transmit mes-
sages to retrieve the diagnostics data of the specified slave device.
The retrieved information is displayed in the Slave Diagnostics Data area.
The data displayed is the same as displayed with in the Diagnostics User Interface of the Generic
Slave DTM. Refer to section 3-3-2 Diagnostic User Interface, for an explanation of the indicators.
Error History Tab
The Error History tab lists the contents of the Error Log stored in the PROFIBUS Master Unit. The
Error History tab is shown below.
The Error Log entries are described in section 7-5-2 Error Codes and Detailed Codes. Refer to this
section for details.
Clear Button
Pressing the Clear Button, initiates an error log clear command. All error messages in the Unit and
the displayed list will be cleared.
The Online Operations tab is the second main tab in the DTM Diagnostics User Interface. It contains
the necessary controls to:
• Switch the Master Unit to PROFIBUS Operational modes
• Select one or more groups, Global-Control Message Commands and transmit Global-Control
command over the PROFIBUS network.
The Online Operations tab is shown below.
Online Operations Tab
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