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Model: CDU-LCD 

 

 

 

Doc. Ref. no.:- mMP/om/601 
Issue no. 00.06 

 

 
User’s Manual

                                                                                                 

Page 25 of 32       

 

2 : Disable 

40087 

IIR Filter 

IIR Filter 
0 to 120 

10 

40088 

Periodic Time

 

Set Periodic time  
1 to 59 

1

 

Table 11 

8.7  CAL 

40091 

Differential 
Pressure PV 

Differential Pressure process value 

40092 

 

Calibration 
Point for 
Differential 
Pressure 

Calibration  Zero and Span 
 
1 : Zero calibration 
2 : Span1 Calibration 
3 : Span2 Calibration 

40093 

Calibration 
Span Point 1 
for 
Differential 
Pressure 

Calibration Point-1 for Differential Pressure 

1200 

40094 

Calibration 
Span Point 2 
for 
Differential 
Pressure 

Calibration Point-2 for Differential Pressure 

1250  

40095 

Calibration 
Mode 

Calibration Mode Enable/Disable 
 
0 : Disable 
1 : Enable 

40096 

Temperature 
PV 

Temperature process value 
 

40097 

Calibration 
Slope for 
Temperature 

Calibration Slope for Temperature 

1000 0  

 

40098 

 

Calibration 
Offset for 
Temperature 

Calibration Offset for Temperature 

40099 

Humidity PV 

Humidity process value 

40100 

Calibration 
Slope for 
Humidity 

Calibration Slope for Humidity 

10000 

40101 

Calibration 
Offset for 
Humidity 

Calibration Offset for Humidity 

Table 12 

 

Содержание CDU-LCD

Страница 1: ...SPLAY UNIT C CD DU U L LC CD D Masibus Automation Instrumentation Pvt Ltd B 30 GIDC Electronics Estate Sector 25 Gandhinagar 382044 Gujarat India 91 79 23287275 79 91 79 23287281 82 Email support masi...

Страница 2: ...NS MOUNTING DETAILS 7 4 TERMINAL CONNECTIONS 9 4 1 How to connect wires 9 5 Start UP and Basic Operation 10 5 1 Power ON 10 5 2 Use Interface 10 6 Menu Layout 13 6 1 Run Page 13 6 2 Temperature Page 1...

Страница 3: ...ith 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 ha...

Страница 4: ...ystems Incorporated All other product names mentioned in this user s manual are trademarks or registered trademarks of their respective companies Checking the Contents of the Package Unpack the box an...

Страница 5: ...prevent possible harm to users and damage to the property and to use the product safely Understand the following description signs and symbols read the text and Observe Descriptions DESCRIPTION OF SI...

Страница 6: ...rface RS485 2 Wire Protocol DNP3 Baud Rate 9600 19200 38400 bps Digital I P No of DI 1 Input Type Non Voltage Contact Rating 24VDC at 5mA Purpose Door status Data Logging Memory 64Mbits Record Type Da...

Страница 7: ...lectable set limits for process value violation Incorporates built in Differential Pressure sensor 3 PHYSICAL SPECIFICATIONS MOUNTING DETAILS Enclosure Protection IP 20 IP 65 Enclosure Back Part W mm...

Страница 8: ...Model CDU LCD Doc Ref no mMP om 601 Issue no 00 06 User s Manual Page 8 of 32 CDU LCD IP 20 CDU LCD IP 65 Fig 3 1 Whole Assembly Drawing...

Страница 9: ...e suitable for Voltage Current and temperature rating of the system Provide power from a single phase instrument power supply If there is a lot of noise in the power line insert an insulating transfor...

Страница 10: ...s model name software version and initializing sequence and after initialization shows RUN window as below Note Run Window may differ as per model 5 2 Use Interface Every time CDU LCD is switched on i...

Страница 11: ...tion and Humidity alarm symbol Alarm symbol description is given in table 4 Note If Sensor is not working properly humidity value will start blinking and value will be displayed according to sensor br...

Страница 12: ...ion Symbol Communication symbol description as below Symbol Description 1 1 Device is receiving some Data 1 1 Device is transmitting some Data 1 1 Device is not receiving some Data 1 1 Device is not t...

Страница 13: ...on 5 2 6 2 Temperature Page Temperature page shows Temperature as main parameter and humidity and Differential Pressure as secondary parameter Set point value is also displayed Value on left hand side...

Страница 14: ...ty page shows Humidity as main parameter and temperature and Differential Pressure as secondary parameter Set point value is also displayed Value on left hand side of slider shows Low Set Point and ri...

Страница 15: ...re page shows Differential Pressure as main parameter and temperature and humidity as secondary parameter Set point value is also displayed Value on left hand side of slider shows Low Set Point and ri...

Страница 16: ...CDU LCD Doc Ref no mMP om 601 Issue no 00 06 User s Manual Page 16 of 32 6 5 Time Page Time page shows current date and time as shown in below To enter Time page click on time window on run page as b...

Страница 17: ...r DNP3 protocol Slave ID for Modbus Protocol Baud Rate Baud rate for Communication Sensor Available Available Sensor Internal Sensor DP Unit can be used for measurement of Differential Pressure Intern...

Страница 18: ...Ref no mMP om 601 Issue no 00 06 User s Manual Page 18 of 32 To enter Info page click on info icon on run page as below Note User can directly change from one page to other by clicking on parameter va...

Страница 19: ...oint 1 calibration and span point 2 calibrations are required Zero calibration The value should be calibrated to zero only Example if process value is 2 then calibrate that value to 0 Span Point 1 Cal...

Страница 20: ...LCD Doc Ref no mMP om 601 Issue no 00 06 User s Manual Page 20 of 32 For span point 2 calibrations user can enter value or default point is also given set appropriate source and press button PRS Span...

Страница 21: ...set Multiple register Use to write programmable register Time Serial No etv Table 7 The error checking field contains a 16 bit value implemented as two eight bit bytes The error check value is the res...

Страница 22: ...to 10 For RH 1 Resolution 1 40033 Sensor Break Set Sensor Break Value 0 MIN Display minimum value of humidity range 1 LAST Display Last value of parameter in CDU 2 MAX Display Maximum Value of humidi...

Страница 23: ...Sensor Break Set Sensor Break Value 0 MIN Display minimum value of Differential Pressure range 1 LAST Display Last value of parameter in CDU 2 MAX Display Maximum Value of Differential Pressure range...

Страница 24: ...data after maximum limit 4 lakh of log is reached User has to clear data using SCADA or Utility software 2 In OVERLAP type CDU will reset counter after maximum limit is reached so old data will be lo...

Страница 25: ...Pressure Calibration Point 1 for Differential Pressure 1200 40094 Calibration Span Point 2 for Differential Pressure Calibration Point 2 for Differential Pressure 1250 40095 Calibration Mode Calibrati...

Страница 26: ...MUNICATION PROTOCOL DNP 3 9 1 Introduction The unit can be connected in RS 485 communication data link either in multi drop or repeat mode Each unit must have unique Destination ID Entire range of add...

Страница 27: ...oint 1 of Differential Pressure L 3 Integer R W 5 Set point 1 of Temperature L 4 Integer R W 6 Set point 1 of Humidity L 5 Integer R W 7 Acknowledge Write 6 Integer R W 8 Buzzer Delay 7 Integer R W 9...

Страница 28: ...urated Vapor density of the air RH Actual Vapor density Saturated Vapor density 100 10 2 Troubleshooting If the operating display does not appear after turning on the unit s power follow the measures...

Страница 29: ...n is required To avoid data mismatch between SCADA and CDU 3 How to know that connection is break between CDU and Sensor If the Sensor Remote Sensor for RH T Inbuilt Sensor for Differential Pressure w...

Страница 30: ...HOLD When memory is full error code in status bar is 4 and buzzer will start if Log Alarm is selected Buzzer ON Buzzer can be acknowledged by pressing the acknowledgement button on LCD 8 How to analys...

Страница 31: ...ferential 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...

Страница 32: ...CDU power off at 17 24 45 Step 3 CDU power on at 17 26 38 CDU power on it will punch high value of log for HT and DP with time 17 26 31 11 Why does the maximum sensor value not punch at power on If th...

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