Object type Phenomenon
History Alarm Viewer Change doesn’t occur. When communication is abnormal, alarm occurs because it can’t know
the status of alarm target device. But previous alarm data shows up as it is.
Data list Value is not shown. Lattice of viewing data list of object is shown as it is.
Logging Viewer Change doesn’t occur. When communication is normal, the recorded log data is shown normally.
But, log data is shown as # when communication is abnormal.
Navigator Change doesn’t occur. Because it shows the group of alarm already developed, though
communication is abnormal, if it has alarm data already developed, it shows the name of group
where each alarm is included.
The number indication object value is shown as # or ~.
Phenomenon: The number indication object value is shown as # or ~.
(Same phenomenon occurs at the number input device, viewing data list, and viewing logging)
<Reason>
1) This happens when digit is not correct or type is not BCD.
<Solution>
1) When the number to be expressed exceeds the number set in the object, # is expressed. In case of this, set the
digit largely and after download again, execute program again.
2) When the numeric display object is expressed as BCD type, the data whose type is not BCD is expressed as ~. In
case of this, adjust device value as BCD type.
3) This phenomenon occurs at the data list object, numeric input, numeric display device, and logging viewer.
After switching the screen, the previous screen remains for a few minute.
Phenomenon: After switching the screen, when there is no background or image in the part or number indication device,
the previous screen remains for a few minute because of change of part.
<Reason>
After switching the screen, when connection is set up multiply or communication time-out occurs, the screen of
previous part remains in some object.
<Solution>
1) It’s normal status. In case that multiple connection or communication is not good, when switching the screen, the
remains of previous screen can occur during the time-out hour.
The folded object doesn’t sequentially show up.
Phenomenon: The number under the data list shows up above data list.
<Reason>
1) The device value is expressed at the top of object screen.
<Solution>
1) It’s normal status. The folded window or part object is not included in screen, regardless of sequence of drawing,
the object changed recently is expressed at top of screen. So if possible, do not fold the object in screen.
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