Omron CJ1W-CRM21, Operation Manual

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CJ1W-PNT21 PROFINET IO Controller DTM Section 4-3
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4-3-4 Diagnosis
The Diagnosis item shows the status of the IO Controller and the registered IO
Devices. The Diagnosis item has the following three sub-items.
• IO Controller Status
• IO Device Status
• Error History
To display the Diagnosis information the PROFINET IO Controller DTM must
be Online with the PROFINET IO Controller Unit. All information can be
acquired once by pressing the
Manual button in the Refresh box.
The information can also be refreshed continuously by setting the refresh
option to
Automatic by checking its check box.
4-3-4-1 IO Controller Status
The IO Controller Status has four separate boxes showing information
concerning the status of the IO Controller and the status of the Ethernet
connection. Further, information is shown of the status of the Unit’s status and
the status of the registered IO Devices.
The picture below shows the IO Controller Status.
Figure 4.12: IO Controller status
The status information is read from the IO Controller Status words 1 and 2, in
the Unit Status word and in the IO Device Status word. These words are
located in the CIO Control and Status area at CIO 1500 + 25 * Unit Number.
4-3-4-2 IO Device Status
The IO Device Status presents an overview of the IO Devices that are in active
Data Exchange or have the New Alarm flag raised. To view more information
about the alarm a selection can be made in the Selected IO Device box.