Model: CDU-LCD
Doc. Ref. no.:- mMP/om/601
Issue no. 00.06
User’s Manual
Page 31 of 32
As shown from figure 2 we can filter device response with syntax dnp3.src=device
destination ID.
Blue highlight shows data byte received from device having destination ID=3.
To analyze the data follow the steps mentioned below:
Click on Distributed network protocol3.0 it expands the details.
Click on application layer it expands the details.
Click on response data objects.
Point number 1 gives Differential Pressure value
Point number 2 gives Temperature value
Point number 3 gives Humidity value
Point number 4 gives error code.
Point number 5 gives is reserved for future use.
Point number 6 gives DI status.
Figure 3
9. What will happen when the communication is lost and it gets healthy after few
hours or Days.?
Communication failed between CDU & SCADA.
In this case all the run time data will be stored in CDU device itself and it will be
transferred to SCADA system as soon as the communication re-established
between SCADA server and CDU. The real time value such as error code/ DI
status will be displayed only after all the data logs transferred to SCADA system
from CDU.