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Document P/N: 

2A44778_SVC_MNL  

Release Date: 

07/29/2019 

Revision: 1.0 

 

                         

5 of 23 

 

1.1 System Components

 

 

 

Suitcase

 – 

Combination of the control system, local interface, physical controls, and router. These components are enclosed in a 

Pelican Case with a 70-pin DRC to connect to the Valve boxes. 

 

                  

 

Satellite Antenna 

Network Antennas 

Touchscreen Display 

Manual Dump Valve Switches 

Main Power Switch 

70-pin DRC Connection for 

Valve 1 & Valve 2 

Power Supply 

USB 

Ethernet (LAN) 

Ethernet (WAN) 

SECTION I: Definitions 

Summary of Contents for SPM SafeEdge ARC System

Page 1: ...rovided without the prior written consent of the copyright owner SPM SAFETY IRON SAFETY HAMMER SUR DROP DESTINY STAMPEDE DURALAST and GLADIATOR are trademarks and or registered trademarks of S P M Flow Control Inc WEIR and WEIR logo are trademarks and or registered trademarks of Weir Engineering Services Limited Certain features of some of the products disclosed in this document may be protected w...

Page 2: ...ILY INJURY DEATH OR PROPERTY DAMAGE The following information is given in good faith and should aid in the safe use of your SPM products This information is not meant to replace existing Company s safety policies or practices The internal components of the Arc 2 0 are a combination of both electrical and mechanical systems It is important to treat the system similar to a computer In long use appli...

Page 3: ...E Special Precautions 1 The modifications to or unauthorized repair of any part of a SPM product or use of components not qualified by Weir Oil Gas can lead to damage to or failure of equipment and SERIOUS BODILY INJURY OR DEATH 2 All SPM threaded components are right hand threaded unless specifically designated otherwise Any turning counterclockwise will unscrew the assembly Make sure all threade...

Page 4: ...off Active 10 2 5 3 Dome Ready 10 2 5 4 Warnings 11 2 6 LOGGING 11 2 6 1 Logging File Format 11 2 6 2 Constant Logging 12 2 6 3 High speed Event Logging 12 2 6 4 Transferring Files 12 2 6 5 Managing Files 13 2 7 ACCESSING WEBPAGE CONTROLS 13 SECTION III BASIC CONFIGURATION 14 3 1 PREFERENCES 14 3 2 DATE AND TIME 14 3 3 TIME ZONE 15 SECTION IV ADVANCED CONFIGURATION 16 4 1 ADMINISTRATOR LOG IN 16 4...

Page 5: ...al interface physical controls and router These components are enclosed in a Pelican Case with a 70 pin DRC to connect to the Valve boxes Satellite Antenna Network Antennas Touchscreen Display Manual Dump Valve Switches Main Power Switch 70 pin DRC Connection for Valve 1 Valve 2 Power Supply USB Ethernet LAN Ethernet WAN SECTION I Definitions ...

Page 6: ...ace The touchscreen that displays the web page on the suitcase 1 2 System Terminology Wellhead Pressure the pressure in the line or vessel that the relief valve is protecting Also referred to as treating pressure Bottle Pressure the nitrogen supply pressure measured after the system s internal regulator Dome Pressure the nitrogen pressure in the dome that holds the relief valve closed Pop off Even...

Page 7: ...and is referred to as Pop Off Filter It is typically set to 100 ms see Pop Off Detail Pop Off Detail 2 1 Venting and Reset When a pop off event occurs the relief valve s nitrogen chamber is emptied so that the valve can open fully Strobe lights on the valve box alert operators that the valve is venting Once a pop off event has been triggered the valve continues to vent until two reset conditions a...

Page 8: ...rator Controls The interface for controlling and viewing the system is a web page hosted by the controller Any device with a web browser that is connected to the controller via Wi Fi or Ethernet can access the interface Prior to operation the user enters the desired Pop off Set point and Reset Set point Touch to enter the Pop Off Setpoint Touch to enter the Reset setpoint Touch to manually trip or...

Page 9: ...ts are enforced when choosing set points These thresholds are configurable in the Settings page with a login 2 3 2 Dump Switch The switch on the far right is the dump switch It has two positions Auto and Manual Dump When the dump switch is in the Auto position the system maintains sufficient nitrogen pressure to hold the relief valve closed until the pop off conditions are met Toggle between Auto ...

Page 10: ... to 1000 psi at the factory and is not adjustable If the bottle pressure falls below 1000 psi it may indicate that the supply tank has dropped below 1000 psi and should be switched out Low pressure may cause resetting the valve to be very slow or prevent the system from reaching operational pressure 2 5 Indicators 2 5 1 Manual Dump When either a software switch or a physical switch is in the Manua...

Page 11: ...the Technical Data Management Streaming TDMS file format The binary TDMS file format is an easily exchangeable inherently structured high speed streaming capable file format Each individual log is created each time the system is rebooted or every 12 hours at noon 1200 and midnight 2400 Each file contains individual tabs that record 30 seconds before and after each pop off event that occurs as show...

Page 12: ...ecutes a manual dump the system logs at 200 samples per second from 30 seconds before the event to 30 seconds after the event The high speed pop off data is stored in a separate tab in the TDMS log file 2 6 4 Transferring Files The suitcase has an external USB port Log Files can be transferred locally or remotely as described below A USB device must be inserted and the following icon will appear n...

Page 13: ...last the life of the SD card itself but it is still recommended to delete unneeded files periodically to make file management easier 2 7 Accessing Webpage Controls The user interface can be accessed remotely through the system webpage It can be used to configure monitor and control the system remotely To access the webpage the user must connect to the WiFi of the ARC system they wish to control On...

Page 14: ...lowed difference between the Reset Pressure and the Pop Off Setpoint Cell GPS Satellite WiFi Check the boxes to enable the communication hardware Uncheck to ensure that the radios are turned off whether or not that option is installed External IP The external IP is the WAN IP address of the router inside the suitcase If you plug an ethernet cable into the WAN port you can connect to the system on ...

Page 15: ... of 23 3 3 Time Zone To adjust the time zone select the drop down button to the right of the area and select the correct time zone from the list that appears Click Apply to save the changes and the following dialog prompt will appear to confirm the changes to the system ...

Page 16: ... screen prompts the user for which account to log in to Note Logging in to the Management and Weir accounts requires a password 4 1 1 Management The Management account enables administrative privileges that allow the user to configure advanced options throughout the system Once logged in the user icon will display an M confirming the user is currently logged in to the Management account SECTION IV...

Page 17: ...of time in milliseconds that the valve remains in the open relief state once a pop off occurs A reset will not occur until this interval of time has elapsed after a pop off or manual dump 4 1 2 Weir The Weir account allows the user access to the same settings as the Management account but allows values that are for system test mode only Access to the Weir account is not required for operation of t...

Page 18: ...ar allowing the user to select which account to change the password for Click Submit to save the changes to the system 4 3 Scaling The Scaling tab allows the user to calibrate input channels and scale the sensor values The following are available for the user to select and scale when logged in as Operator ...

Page 19: ...e in engineering units e g 0 psi of the transducer being used to monitor the wellhead pressure The Nominal Max value is the upper range in engineering units e g 15 000 psi of the transducer being used to monitor the wellhead pressure 4 3 2 Zeroing Scale To zero the sensor make sure no pressure is on the line open to air When the Raw Value reads approximately 4 mA click the ZERO button to set the m...

Page 20: ...AN button to calibrate the maximum value scale NOTE ONLY PERFORM SHUNT CALIBRATION WHEN THERE IS ZERO PRESSURE ON THE LINE IF SWITCH IS FLIPPED WHEN PRESSURE IS ON THE LINE THEN THE CURRENT VALUE WILL BE OVERRIDDEN WITH MAX VALUE AND POP OFF EVENT WILL OCCUR NOTE IF THE USER CLICKS THE SPAN BUTTON WHEN A VALUE THAT IS NOT CLOSE TO THE MAXIMUM 20 MA VALUE THEN THE FOLLOWING ERROR DIALOG WILL APPEAR...

Page 21: ...1 of 23 4 3 4 Rebooting System Rebooting the system after 1 2 days of continues use is recommended and provides the following advantage to the system Flushes RAM Speeds up performance Clears Cache files Stops memory leaks Fixes Internet connection Bug Fixes Saves Time ...

Page 22: ...elay 17 Valve 1 Dome Pressure Setpoint 18 Valve 2 timestamp 19 Valve 2 Software E Dump 20 Valve 2 Reset Pressure 21 Valve 2 Pop Off Pressure 22 Valve 2 Wellhead Pressure 23 Valve 2 Dome Pressure 24 Valve 2 Bottle Pressure 25 Valve 2 E Dump Switch 26 Valve 2 E Dump Relay 27 Valve 2 Dome Pressure Setpoint Al pressures are in pounds per square inch Timestamps are in Unix time based on system clock Ch...

Page 23: ...ose from stainless box to Dome Valve is not connected 2 Ensure all connections are leak free 3 Nitrogen Bottle pressure is insufficient to supply required dome set point Verify that the Bottle Pressure warning is not present on the user interface If present replace bottle 4 If issue is still unresolved contact your Weir ARC representative 4 System will not dump pressure when reaching Pop Off Set p...

Page 24: ...r SPM ARC representative 9 Manual dump switch does not close valve when the physical switch is returned to the Auto position 1 Under a manual dump scenario the valve will still abide by the configurable settings Min Popoff Time and others listed on the settings tab If you have a value of 2000 in the Min Popoff Time the valve won t reset until 2 seconds after the valve is actuated 2 If issue is sti...

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