105
Monitoring the Network
Section 3-7
3.
From the context menu, select the
Diagnosis
option. The DTM’s Diagnos-
tics User Interface will be displayed.
4.
Select the Monitor tab, for status monitoring.
Using Auto-Update or
Manual Refresh
The information displayed in the CS1/CJ1W-PRM21 Master DTM Diagnosis -
Monitor User Interface can be updated either Automatically or Manually.
• Automatic update
Select the Automatic checkbox in the upper right corner of the Monitor
tab. The refresh cycle will be approximately 0.5 to 1 second, depending
on the PC System. The Manual button will be disabled
• Manual update
Press the Manual button in the upper right corner of the Monitor tab, to
force a refresh of the window contents.
Reading the Master Unit’s
Status
The Master status sub-tab displays the status of the Master Unit itself. The
LED indicators are directly related to the four CIO status words of the Unit.
They can be used to
• Obtain the status of the Master Unit and the network.
• Determine errors in the unit or the network.
• Troubleshoot the Master Unit and the network.
The Master Status 1 box indicates the Master Unit’s status. The Master Status
2 box and the Unit Status box all indicate errors. These LED indicators are
discussed in section
4-2-2 Troubleshooting the Network using CX-Profibus
.
The Slave Status box indicates the overall status of the allocated slave
devices.
Master Status 1
Main indicators in this box are the LED indicators for operational status of the
Master Unit. They indicate whether the Master Unit is in
• OFFLINE mode,
• STOP mode,
• CLEAR mode, or in
• OPERATE mode
The Data Exchange LED indicates if I/O data exchange is taking place with at
least one slave device.
The Auto Clear enabled LED and Valid Configuration LED provide feedback
on the I/O configuration downloaded to the Unit.