Masibus CDU-LCD, User Manual

Page: 3 / 32

Model: CDU-LCD
Doc. Ref. no.:- mMP/om/601
Issue no. 00.06
User’s Manual
Page 3 of 32
8.4 Humidity .................................................................................................... 22
8.5 Differential Pressure .................................................................................. 22
8.6 OUT ........................................................................................................... 23
8.7 CAL ........................................................................................................... 25
8.8 Info ............................................................................................................ 26
8.9 Exceptional Response ............................................................................... 26
9. COMMUNICATION PROTOCOL-DNP 3 ....................................................... 26
9.1 Introduction................................................................................................ 26
9.2 Analog Input .............................................................................................. 26
9.3 Analog Output ........................................................................................... 27
10. APPENDIX ..................................................................................................... 28
10.1 Relative Humidity ................................................................................... 28
10.2 Troubleshooting ...................................................................................... 28
10.3 Buzzer & LED Status with respect to AHU Status .................................. 29
11. FAQ ............................................................................................................... 29
1.
When CDU will Display “OVER” Message? ................................................... 29
2. Why time synchronization is required? .......................................................... 29
3. How to know that connection is break between CDU and Sensor? ............... 29
4. What will happen after connection is established from connection lost between
SCADA and CDU? ............................................................................................. 29
5. What will happen with the data when the connection break between SCADA
and CDU?........................................................................................................... 29
6. What is band? ................................................................................................ 29
7. How to know that the memory is full in CDU? ................................................ 29
8. How to analyse data on wire shark? .............................................................. 30
9. What will happen when the communication is lost and it gets healthy after few
hours or Days.? .................................................................................................. 31