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ITVC Series – Intelligent Total Valve Controller    IOM-ITVC-LB-04 

 

DVG AUTOMATION S.p.A. 
Legal & Operative HQ: 29016 Cortemaggiore (Piacenza) Italy, Via G. Rossetti n° 2 
Tel. (+39) 0523 255811;  Fax (+39) 0523 255890;  
Fully Paid In Capital: Euro 1.000.000,00=           

 

   

ISO 

9001,

 

ISO

 

14001,

 

OHSAS

 

18001

 CERTIFIED

 

REA 167410 - VAT 01494460338                                                                                                               

 

COMPANY SUBJECT TO MANAGEMENT AND COORDINATION BY G.I.V.A. S.P.A. W ITH HEADQUARTERS IN RHO (MILAN), RECORDED UNDER NUMBER 02917180172 IN 
MILAN'S REGISTER OF COMPANIES 

[email protected] 
www.dvgautomation.it

  

 

 

 

 

 

 

 

 

 

SHEET 16 DI 28

 

 
 
 
The below figures show the procedure to set values of the LB Parameters “

Max pressure increase

Max pressure 

decrease 

and

 Pressure drop ACQVC (ACQ

uisition

 + V

alve

 C

ontrol)

, described in the previous paragraph 

“Line 

Break working parameters”

.  

 

 

 

 

Summary of Contents for ITVC Series

Page 1: ...igent Total Valve Controller Document Number Prepared Approved Date Release IOM ITVC LB AA GR 10 02 2016 04 Annex B Line Break Line Break differential ITVC Series Gas Over Oil actuator with ITVC Line...

Page 2: ......

Page 3: ...Break differential 1 Introduction 5 2 Line Break protection system 6 3 Line Break LB 6 3 1 Operating mode 7 3 2 Enable Disable Valve Control 8 3 3 Working parameters 8 3 4 Acquisition Valve Control op...

Page 4: ...T 01494460338 COMPANY SUBJECT TO MANAGEMENT AND COORDINATION BY G I V A S P A WITH HEADQUARTERS IN RHO MILAN RECORDED UNDER NUMBER 02917180172 IN MILAN S REGISTER OF COMPANIES info dvgautomation it ww...

Page 5: ...g these instructions contact the factory before proceeding With reference to the manual IOM ITVC Basic chapter ITVC HMI paragraph HOME page the Line Break function is available only if the ITVC displa...

Page 6: ...ssible limits across the process valve drives the valve in safe position Three options are available stayput close open In this manual Line Break function will be abbreviated by LB and Line Break diff...

Page 7: ...ot available no warning is raised Open Close ESD actuator controls are available Acquisition Valve Control in this mode all features of Acquisition mode are actives in addition if the Valve Control is...

Page 8: ...han Min pressure for the time Delay action a Pressure event occurs If the operating mode is Acquisition Valve Control and Enable is ON the ITVC Line Break energizes the SOV to close actuator and proce...

Page 9: ...ing mode occurs and persists for the time Delay action the ITVC Line Break carries out the Valve Control that means to energize the SOV and stroke the actuator and the process valve in closure safe po...

Page 10: ...alues The option Line Break Events in the Measurement menu shows the list of the Pressure events with date and time and the 24 hours graphs The option Line Break Warnings in the Measurement menu shows...

Page 11: ...imer alarm and display of type of fault Switch over of Monitor relay Exclusion of damaged channel Operation in 1oo1 architecture for a maximum time equal to MRT Correct system must be restored repair...

Page 12: ...or relay Exclusion of damaged channel Operation in 1oo2 architecture for a maximum time equal to MRT Correct system must be restored repair or replace the device or Valve Control will be carried out a...

Page 13: ...C Basic Refer to ITVC HMI chapter of the above IOM to find the instructions relevant to HOME page navigation in the MENU and MENU chart Here below are described only the procedures to set the LB param...

Page 14: ...R 02917180172 IN MILAN S REGISTER OF COMPANIES info dvgautomation it www dvgautomation it SHEET 14 DI 28 3 11 1 Enable Disable Valve Control Enable if a Pressure event occurs and lasts for the time De...

Page 15: ...V A S P A WITH HEADQUARTERS IN RHO MILAN RECORDED UNDER NUMBER 02917180172 IN MILAN S REGISTER OF COMPANIES info dvgautomation it www dvgautomation it SHEET 15 DI 28 3 11 2 LB parameters The below fig...

Page 16: ...A 167410 VAT 01494460338 COMPANY SUBJECT TO MANAGEMENT AND COORDINATION BY G I V A S P A WITH HEADQUARTERS IN RHO MILAN RECORDED UNDER NUMBER 02917180172 IN MILAN S REGISTER OF COMPANIES info dvgautom...

Page 17: ...nalog inputs page in the Administrator Setup menu it should be set present in the LB sensor page and Line Break function works according to description in the paragraph Analogue input architecture It...

Page 18: ...ons in the MEASUREMENT menu of ITVC HMI The below procedure allows viewing the Pressure events history and graphs and the Line Break warning list and date In the Line Break Events page D stays for Pre...

Page 19: ...pushbutton that lights up red colour The Monitor relay switches over The alarm visualization page of the ITVC HMI shows Linebreak action Press out of limit Micro 2 alarm and Safety action The alarm is...

Page 20: ...range and Over range Both CPU s assumes that if signal is 3mA or 21mA the transmitter or the acquisition stage is damaged Action performed o Local MRT timer alarm and display of type of fault o Switc...

Page 21: ...the working parameters and sensor architecture Access to LB d menu is done only by password ADMINISTRATOR To enter in the LB d menu by and position the cursor on the icon or and then press Enter the p...

Page 22: ...HSAS 18001 CERTIFIED REA 167410 VAT 01494460338 COMPANY SUBJECT TO MANAGEMENT AND COORDINATION BY G I V A S P A WITH HEADQUARTERS IN RHO MILAN RECORDED UNDER NUMBER 02917180172 IN MILAN S REGISTER OF...

Page 23: ...B d parameters By this option the following parameters can be set Condition to start type of test to decide if the safe action should start Two options are available The read differential pressure is...

Page 24: ...ION BATTERY IS MANDATORY MINIMUM BATTERY OPERATING TIME IN MONITORING MODE ITVC disconnected from power supply No 3 sensors No 1 position sensors connected STANDARD BATTERY 12 hours battery capacity 5...

Page 25: ...e actuator commands are available and work The alarm should be reset by the procedure described in the paragraph Visualization of alarms and warning of the IOM ITVC Basic Remote signalling in case of...

Page 26: ...red but it will be effective only if the malfunction is solved The tables below show the potential causes of the alarms and the action to do to solve the problem Device Alarm displayed Potential cause...

Page 27: ...ed with battery pack see the procedure in the paragraph Battery option to enable it If the pressure drop rate in the pipeline is unknown it is suggested to proceed as follows set the parameter Max pre...

Page 28: ...serves the right to discontinue manufacture of any products or change products materials designs or specifications without notice Note DVG Automation S p a does not assume responsibility for the selec...

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