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3 Configuration Software
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
3-2 CJ1W-PRM21 PROFIBUS Master DTM
3
3-2-2 Diagnostic User Interface
The DTM Diagnostics User Interface contains two tabs:
• The Monitor tab: This tab displays all Master Unit status and error information as well the
overall slave status information, which resides in the Master Unit.
• The Online Operations tab: This tab contains controls to initiate state changes in the Master
Unit as well as transmit Global-Control commands over the PROFIBUS network.
Monitor Tab
The DTM Diagnostics User Interface - Monitor tab contains three sub-tabs:
• Master Status tab.
• Slave Status tab.
• Error History tab.
Also, the Diagnostics data refreshing mode can be selected.
• Automatic: The Diagnostics data is constantly retrieved from the Unit.
• Manual: The Diagnostics data is retrieved only once from the Unit, when pressing the Manual
button.
Master Status Tab
The Master Status tab (shown in the figure above) contains Diagnostics information regarding the
Master Status. Each of the four status boxes, is related to one of the Unit’s status words in the CPU
memory (see 4-2-3 Unit Status (*_UnitSta) to 4-2-6 Slave Status (*_SlvSta)).
The status is indicated by red or green indicators. Red indicates an error situation, green indicates a
status indication. The indicators are listed in the table below.
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