Toshiba nv Series - Page 96

Chapter 7 Troubleshooting
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Viewing I/O status details
Select the appropriate I/O node number of I/O Node Status. Click the I/O Module
Status button, or double-click the I/O status cell of the appropriate I/O node number.
I/O Module Status appears.
In Figure 7-14, you can see that the I/O module DO934 of Slot No. 1 of I/O Node No.
3 is faulty.
Figure 7-14 I/O Module Status
Viewing I/O module detailed alarm information
Select the appropriate slot number of I/O Module Status. Select View > I/O Module
Detailed Alarm Info, or double-click the Alarm Status cell of the appropriate slot
number. I/O Module Detailed Alarm Information appears. In Figure 7-15, you can
see that the ST0 of the I/O module DI934 of Slot No. 1 of I/O Node No. 3 (I/O
module inherent alarm) has occurred. ST0 of the DI934 module (I/O module
inherent alarm) refers to an "external power failure". For ST0 to ST3 (module
inherent alarms), refer to the instruction manual of the appropriate I/O module.
Figure 7-15 I/O Module Detailed Alarm Information
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