Modbus Channel Diagnostics - ABB COM600S User Manual

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4.4.
4.5.
COM600 series, Version 4.1
Modbus TCP Master (OPC) User's Manual

Modbus Channel diagnostics

The Modbus Channel activity can be monitored with the Online diagnostics function.
You can also take a channel into use or out of use as described in this section.
To monitor and control Modbus Channel activity:
1. Select the channel you want to monitor in the object tree of SAB600.
2. Right-click the channel.
3. Select Online diagnostics.
In the Diagnostic counters field, you can monitor the channel activity. To reset Diagnostic
counters, click Reset counters.
You can take a Modbus Channel into use by marking the In use check box. If you unmark
the check box, the channel is taken out of use.
For more information on the channel online diagnostics with the Analyzer function, see
COM600 User's manual.
Monitoring and controlling Modbus Device
communication
The Modbus device communication can be monitored with the Online diagnostics
function. You can also take a device or module into use or out of use as described in this
section.
To monitor and control Modbus Device communication:
1. Select the device/ module you want to monitor in the object tree of SAB600.
2. Right-click the device.
3. Select Online diagnostics.
In the Status information field, you can monitor the device status.
The Diagnostic counters field provides information on device activity. To reset diagnostic
counters, click Reset counters.
You can take a Modbus device into use by marking the In use check box. If you unmark
the check box, the device is taken out of use.
Diagnostic counters are updated every 2 seconds. To update them manually, click Refresh.
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