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Masoneilan SVI II ESD Installation and Maintenance Manual

6. Using the Digital Interfaces .................................................................................................................................................... 101

Overview....................................................................................................................................................................................... 101

Pushbuttons and Local Display ......................................................................................................................................... 103

Accessing Pushbuttons ................................................................................................................................................. 105
Pushbutton Locks and Configuration-Lock Jumper........................................................................................ 105

Display Menus............................................................................................................................................................................ 107

Clear Error.................................................................................................................................................................................... 116

FAILSAFE Mode.................................................................................................................................................................. 116

7. Partial Stroke Testing ................................................................................................................................................................ 121

PST Configuration with Display Menu..................................................................................................................... 122

PST Setup with ValVue ESD.................................................................................................................................................. 124

PST Data from ESDVue .................................................................................................................................................. 124

8. Operation and Maintenance ................................................................................................................................................. 127

Operational Overview............................................................................................................................................................. 127

SVI II ESD Applications and Designated Safety Function Activation........................................................ 128
Additional Features ......................................................................................................................................................... 129

Physical and Operational Description ............................................................................................................................ 130
SVI II ESD Components........................................................................................................................................................... 131

SVI II ESD Maintenance.......................................................................................................................................................... 137

Upgrading Firmware............................................................................................................................................................... 140

Tools Required ................................................................................................................................................................... 140
Installing Firmware Upgrade...................................................................................................................................... 140

Содержание SVI II ESD

Страница 1: ...Masoneilan SVI II ESD Smart Valve Interface with SIL3 Emergency Shutdown PST Controller Installation and Maintenance Manual Rev G BHGE Data Classification Public ...

Страница 2: ...HE REQUIREMENTS FOR SAFE OPERATION OF MECHANICAL AND ELECTRICAL EQUIPMENT IN POTENTIALLY HAZARDOUS ENVIRONMENTS THEREFORE THESE INSTRUCTIONS SHOULD BE INTERPRETED AND APPLIED IN CONJUNCTION WITH THE SAFETY RULES AND REGULATIONS APPLICABLE AT THE SITE AND THE PARTICULAR REQUIREMENTS FOR OPERATION OF OTHER EQUIPMENT AT THE SITE THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN ...

Страница 3: ...witches section and added a cross reference to it in the install section Added Cautions about Position Low and Upper Limits Added text about the 4 20 retransmit galvanic isolation E 02 2014 Updated load description for optional switches F 04 2016 Updated the Installation section and the Fault Matrix Modified connection drawings for intrinsically safe in Appendices B and C Made changes to Wiring Gu...

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Страница 5: ...n 21 Environmental Limits 21 Design Verification 22 SIL Capability 22 Connecting the SVI II ESD to the SIS Logic Solver 23 General Requirements 24 Installation 25 SVI II ESD Installation Configurations 25 Physical Location and Placement Guidelines 25 Pneumatic Connections 25 Electrical Connections 25 Operation Setup Commissioning 25 Maintenance 25 Diagnostics 25 PST 25 SVI II ESD Product Safety 27...

Страница 6: ...VI II ESD on Reciprocating Valves 68 Checking the Magnet 71 Using ValVue ESD to Check Magnet Position 71 Checking Actuator Linkages or Rotary Adapter 72 Connecting the Tubing and Air Supply 73 Checking the Air Supply 75 Wiring the SVI II ESD 75 Powering Up the SVI II ESD 80 Making Connections to the Terminal Board 85 SVI II ESD Maintenance 86 Repair and Replacement 86 Factory Notification 86 Displ...

Страница 7: ...de 116 Handheld Communicator 117 ValVue ESD 118 DD Navigation 119 7 Partial Stroke Testing 121 Overview 121 Partial Stroke Test Diagnostics 122 PST Configuration 122 PST Configuration with Display Menu 122 PST Setup with ValVue ESD 124 PST Data from ESDVue 124 8 Operation and Maintenance 127 Operational Overview 127 SVI II ESD Applications and Designated Safety Function Activation 128 Additional F...

Страница 8: ...cting Installation 173 Appendix C HART Wiring Configurations 175 Overview 175 System Connections 175 HART Wiring Guidelines 177 SVI II ESD Setups 178 Grounding Practices 180 Compliance Voltage in Single Drop Current Mode 181 Wire Size and Conduit 182 HART Physical Layer Compliance of the Control System 183 Impedance Constraints 183 Noise Constraints 183 Cabling and Interconnection Requirements 184...

Страница 9: ...nts 197 Modem and Computer Use in Intrinsically Safe Circuits 199 MACTek Intrinsically Safe modem Model 010005 199 MACTek Warning 199 Use of Hand held Communicators In Intrinsically Safe Circuits 199 Appendix E Air to Open and Air to Close Actuators 201 Actuator Action 201 Appendix F Air Supply Requirements 205 Appendix G Adjusting Speed of Response 207 Appendix H Glossary 209 Appendix I Determini...

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Страница 11: ...e Directory Destination Folder 40 14 Ready to Install 41 15 PRM Central Server Dialog 41 16 PRM Central Server Dialog II 41 17 PRM Central Server Dialog III 42 18 Database Directory Reminder 42 19 ValVue ESD CD Browser 43 20 Software Choice 44 21 PRM Plug In Main Screen 44 22 Install Shield PRM Plug In 45 23 PRM Plug In License Agreement 45 24 PRM Plug In Destination Folder 46 25 Choose Folder 46 ...

Страница 12: ...78 54 Connections to ASD Electronics Module via Terminal Board 84 55 Connections to DSD Electronics Module via Terminal Board 84 56 Connections to A DSD Electronics Module via Terminal Board 84 57 SVI II ESD Pneumatic and Display Covers 87 58 Configuration Pushbutton Guide 92 59 ValVue ESD Icon 97 60 SVI II ESD HART Communicator Connections 98 61 SVI II ESD Display 103 62 NORMAL Operation and MANU...

Страница 13: ...ces Screen 186 86 ValVue ESD Setup Options for Multidrop 187 87 Split Range with Isolator 189 88 Split Range with Supplemental Power Supply Non Hazardous 191 89 HART Device in DCV Application 193 90 Intrinsically Safe Installation with Zener Barrier and HART Filter 196 91 Intrinsically Safe Installation with Galvanic Isolator 198 92 ATO and ATC Action with Linear Positioner Characteristics 202 93 ...

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Страница 15: ...ecurity Level 105 13 SVI II ESD Fault Matrix 145 14 Environmental Specifications 161 15 Safety Rated Inputs 162 16 Operational Specifications 162 17 Input Signal Power and Display Specifications 163 18 Construction Material Specifications 163 19 System Connectivity 164 20 Pneumatics Single Acting Standard Flow 164 21 Control Valve Mounting System 165 22 ESD and Diagnostic Capabilities 165 23 Devic...

Страница 16: ... 34 Compliance Voltage for Galvanic Isolator with 22 AWG Cable Installation 181 35 Compliance Voltage for No Barrier with HART Filter and Resistor and 18 AWG Cable 182 36 Supplemental Voltage for Split Range 190 37 Expected Voltage Range at Positioner Terminals 218 ...

Страница 17: ...quipment machinery plant apparatus under control of the system Basic Safety The equipment must be designed and manufactured such that it protects against risk of damage to persons by electrical shock and other hazards and against resulting fire and explosion The protection must be effective under all conditions of the nominal operation and under single fault condition Safety Assessment The investi...

Страница 18: ...I ESD and are used throughout this document FMEDA Failure Modes Effects and Diagnostic Analysis HFT Hardware Fault Tolerance MOC Management of Change These are specific procedures often done when performing any work activities in compliance with government regulatory authorities PFDavg Average Probability of Failure on Demand PST Partial Stroke Test a test used to detect failure modes in the posi ...

Страница 19: ...us situation which if not avoided may result in property damage or data loss WARNING Indicates a potentially hazardous situation which if not avoided may result in death or serious injury Related Literature Listed below are documents related to the SVI II ESD TUV Certificate No SAS0016 07 Vers 1 0 Hardware Document SVI II ESD Quick Start Guide MN SVI ESD_QSG GEA19520 SVI II ESD SIL 3 Partial Strok...

Страница 20: ...d for safety related applications according to IEC61508 as certified by TUV for use up to SIL3 with an HFT of 0 in low demand applications The built in microprocessor is used for valve diagnostics only The microprocessor has no direct role in performing the designated safety function therefore the SVI II ESD is considered a Type A device The SVI II ESD is a valve controller which mounts on a pneum...

Страница 21: ...ed to be part of final element subsystem as per IEC 61508 and the achieved SIL level of the function must be verified by the function designer Environmental Limits The designer of a SIF must check that the product is rated for use within the environmental limits as stated in Table 14 on page 161 Application Limits Listed below are the application limits for the SVI II ESD installed in a SIF The ap...

Страница 22: ...l life time of an SVI II ESD The failure rates sometimes increase after this time period Reliability calculations based upon the data listed in the FMEDA report for mission times beyond the lifetime can yield results too optimistic i e the calculated Safety Integrity Level will not be achieved SIL Capability The SVI II ESD meets SIL 3 requirements as outlined below Systematic Integrity The product...

Страница 23: ...e IEC61508 SIL2 certified Built In Scheduler within the SVI II ESD Locally with an external pushbutton Locally with built in pushbutton HART command Analog Input current threshold Connecting the SVI II ESD to the SIS Logic Solver When connecting the SVI II ESD to the SIS logic solver follow the guidelines below The SVI II ESD is connected to the safety rated logic solver which is actively performi...

Страница 24: ...one hour test interval This test does not partial stroke the valve In order to use the PST as an automatic diagnostic tool the PST shall be scheduled using ValVue ESD to run at least once per month or ten times within the expected hazard demand interval whichever comes first Detailed failure rate data is specified in the FMEDA report available from the factory You must verify that the SVI II ESD i...

Страница 25: ...to Pneumatic Connections on page 73 of this manual Electrical Connections Refer to Electrical Connection Guidelines on page 75 Operation Setup Commissioning Refer to Configuration and Calibration on page 89 Maintenance Refer to SVI II ESD Maintenance on page 137 Diagnostics The SVI II ESD provides several types of diagnostic information Continuous device diagnostics Internal diagnostics that run e...

Страница 26: ...ng the proof test of an SVI II ESD must be trained in SIS operations including bypass procedures maintenance and company Management of Change procedures No special tools are required Table 1 Proof Test Steps Step Action 1 Read the SVI II ESD data record using a HART handheld device or ValVue ESD software Solve any active faults before proceeding 2 Bypass the valve or isolate or take other appropri...

Страница 27: ...nstallation Under normal operation compressed supply gas is vented from the unit to the surrounding area and may require additional precautions or specialized installations Explosion flame proof installations Products certified as explosion proof or flame proof equipment or for use in hazardous area installations MUST BE Installed put into service used and maintained in compliance with national an...

Страница 28: ...f personnel asphyxiation Use only genuine replacement parts which are provided by the manufacturer to guarantee that the products comply with the essential safety requirements of the European Directives mentioned on the front cover Changes to specifications structure and components used may not lead to the revision of this manual unless such changes affect the function and performance of the produ...

Страница 29: ...eilan s SVI II ESD used in a Safety Instrumented System SIS ValVue ESD is used to configure calibrate and perform partial stroke testing and valve diagnostics with the SVI II ESD utilizing HART communications protocol Using ValVue ESD you can Figure 1 SVI II ESD Monitor SVI II ESD Operation Quickly Set Up the SVI II ESD Advanced SVI II ESD Set Up Calibrate the SVI II ESD Configure or Run Partial S...

Страница 30: ...the initial installation ValVue ESD provides the capability of configuring calibrating diagnosing device cloning trending and much more After the 60 day trial period ValVue ESD must be registered in order to keep on using it ValVue ESD is a user friendly graphical interface that allows an efficient setup of an SVI II ESD mounted on any control valve assembly Because of its What You See Is What You...

Страница 31: ...patible RAM Minimum 1 G Disk Depends on product Modem HART modem and appropriate cables Port Serial or USB 1 Assuming 100 devices 1 PST month for 5 years Software NOTE PRM is NOT required for Standalone installations Table 2 ValVue Software Installation Sizes Product Application Component Database Component Total Installation Size ValVue ESD 15M 30M minimum1 45 Meg PRM Central ValVue ESD 15M 30M m...

Страница 32: ...or your local representative to obtain licensing information Contact the Factory For the most recent software visit our SVI II ESD web site at www ge energy com valves Available Models There are three models of the SVI II ESD available ASD Analog Safety Demand 2 Wire Analog Trigger 4 20 mA signal 2 wire installations with superimposed HART communications DSD Discrete Safety Demand 2 Wire Discrete ...

Страница 33: ...alVue ESD and PRM Plug In ValVue ESD is shipped on a CD with the purchase of an SVI II ESD There are two components to install Installing ValVue ESD Software Installing the Yokogawa PRM Plug In on page 37 Installing ValVue ESD Software To install the software 1 Insert the CD into computer CD drive The CD browser launches Figure 2 Figure 2 ValVue ESD CD Browser ...

Страница 34: ...pany LLC All rights reserved 34 BHGE 2 Select INSTALL SOFTWARE and a screen appears Figure 3 Figure 3 Software Choice 3 Click INSTALL STANDALONE VERSION and an installShield screen appears Figure 4 Figure 4 Install Shield Wizard ...

Страница 35: ...Hughes a GE company LLC All rights reserved 4 Click Next and the License Agreement screen appears Figure 5 Figure 5 License Agreement 5 Click the accept radio button click Next and the Choose Destination Location screen appears Figure 6 Figure 6 Choose Destination Location ...

Страница 36: ...lick Change to open the Choose Folder screen to navigate to and designate a non default folder 6 Click Next and a screen appears Figure 7 Figure 7 Ready to Install 7 Click Install and the Setup Status screen appears followed by InstallShield Wizard Complete 8 Click Finish ...

Страница 37: ...the Yokogawa PRM Plug In This process consists of Installing Central Server or Installing Plug In Client on page 43 Installing Central Server This installs both the plug in and the central database To install the software 1 Insert the CD into computer CD drive and the CD browser launches Figure 2 Figure 8 ValVue ESD CD Browser ...

Страница 38: ...GE company LLC All rights reserved 38 BHGE 2 Select INSTALL SOFTWARE and a screen appears Figure 9 Figure 9 Software Choice 3 Click VIEW YOKOGAWA PRM EDITION and a screen appears Figure 10 Figure 10 PRM Plug In Main Screen ...

Страница 39: ...d 4 Click Install Central Server and a screen appears 5 Click Next and the License Agreement screen appears Figure 11 Figure 11 PRM Central Server License Agreement 6 Click the accept radio button click Next and the Choose Destination Location screen appears Figure 12 Figure 12 PRM Central Server Destination Folder ...

Страница 40: ...o open the Choose Folder screen to navigate to and designate a non default folder Make a note of this machine and folder share name ValVue ESD DATABASE as it is required when installing the PRM PLUG IN ValVue The installer also creates a data source for the database If the database already exists the installer updates the tables as necessary No existing data is lost Figure 13 PRM Central Server Da...

Страница 41: ...igure 14 Figure 14 Ready to Install 9 Click Install and the Setup Status screen appears followed by InstallShield Wizard Complete 10 Click Finish 11 A Launch Service Install dialog appears click OK and a dialog appears Figure 15 Figure 15 PRM Central Server Dialog 12 Click OK and another dialog appears Figure 16 Figure 16 PRM Central Server Dialog II ...

Страница 42: ...ompany LLC All rights reserved 42 BHGE 13 Click OK and another dialog appears Figure 17 Figure 17 PRM Central Server Dialog III 14 Click OK and another dialog appears Figure 18 Figure 18 Database Directory Reminder 15 Click OK ...

Страница 43: ...lug in and the client software and a database Install this application on every computer on which PRM Client is installed after PRM Central is installed for the particular PRM server This application does not require registration To install the software 1 Insert the CD into computer CD drive and the CD browser launches Figure 19 Figure 19 ValVue ESD CD Browser ...

Страница 44: ...E company LLC All rights reserved 44 BHGE 2 Select INSTALL SOFTWARE and a screen appears Figure 20 Figure 20 Software Choice 3 Click VIEW YOKOGAWA PRM EDITION and a screen appears Figure 21 Figure 21 PRM Plug In Main Screen ...

Страница 45: ...45 2017 Baker Hughes a GE company LLC All rights reserved 4 Click Install Plug in Client and a screen appears Figure 22 Figure 22 Install Shield PRM Plug In 5 Click Next and the License Agreement screen appears Figure 23 Figure 23 PRM Plug In License Agreement ...

Страница 46: ... reserved 46 BHGE 6 Click the accept radio button click Next and the Choose Destination Location screen appears Figure 24 Figure 24 PRM Plug In Destination Folder 7 Click Change and the Choose Folder dialog appears Figure 25 Figure 25 Choose Folder ...

Страница 47: ...ears Figure 26 CAUTION Use the same folder as with the ValVue ESD DATABASE The installer also creates a data source for the database If the database already exists the installer updates the tables as necessary No existing data is lost Figure 26 PRM Plug In Client Database Location Destination Folder 9 Click Change and the Choose Folder dialog appears Figure 27 Figure 27 Choose Folder ...

Страница 48: ... Click Finish PRM PLUG IN ValVue ESD Warning Listed below are warnings pertaining to the installation of the PRM PLUG IN ValVue ESD PRM Multi Server Because of the connection with the database and Central ValVue ESD the Multi Server switching feature available on the PRM client is not allowed PRM PLUG IN ValVue ESD Installation Folder As mentioned in installation instructions the PlugInValVue ESD ...

Страница 49: ...one email or Fax and provide your name company s name contact information the CD ROM serial number and the installation ID number from the ValVue ESD login display Factory contact information is provided on the registration card that is part of the software package Your serial number is located on the ValVue ESD package and on the enclosed sticker Place the serial number sticker on the detachable ...

Страница 50: ...e Company and Serial Number in the registration and click OK Figure 30 Applying Owner and Product Key Information The software key registration window appears Figure 31 3 Click Mux and enter a software key for the Mux option if applicable Figure 31 Software and Mux Key Window ...

Страница 51: ...ick Registration Figure 32 Figure 32 Launching Registration Window 5 Enter your name and the name of your company You are now ready to contact the factory with this information to obtain your software keys There are four methods shown on the Registration Instruction Card Mail Phone Fax Email Figure 33 Registration Window ...

Страница 52: ...dialog appears Figure 35 8 Email the registration information by clicking Yes Figure 35 Registration File Saved Dialog ValVue ESD launches your email service and automatically attaches the registration and Masoneilan s Software Registration Center 9 Click Send to email the registration If your email program fails to start contact the software registration center using the email address phone numbe...

Страница 53: ...fo you are provided with software keys for ValVue ESD and optional features when applicable Once you have your key to enable the program 1 Start ValVue ESD 2 Choose Help View Registration 3 Enter the Product Key if not already entered 4 Click OK On the 2nd registration screen enter the software key returned by the factory Figure 37 Figure 37 Entering Software Key 5 Enter the software key if applic...

Страница 54: ...company LLC All rights reserved 54 BHGE 6 Click OK Figure 38 Entering Mux Unlock Key When the registration is complete and successful the message shown in Figure 39 appears 7 Click OK Figure 39 Successful Registration Message ...

Страница 55: ...ons from the right click menu Move the valve to full Open Full Close or Set to Fail Position Generate reports on SVI II ESD operation Reset the device Save restore data View all parameters Backup the NVM What You Can Do on the Trend Screen See the Trend section Here you can View detach and operate the Trend window What You Can Do on the Configure Screen See the Configure section Here you can Set t...

Страница 56: ... SVI II ESD on a screen divided into a series of tabs that provide status alarm and fault information in a graphical form Each alarm condition is color coded according to the alarm criticality Reset the Current Faults or All Faults Current and Historical You can also select and clear an individual fault See the Active Faults tab for current active faults What You Can Do on the Check Screen See the...

Страница 57: ... Its role is to position an emergency shutdown valve to 0 or 100 with a probability of failure on demand PFD in accordance with IEC61508 for SIL3 application It replaces solenoid valves typically utilized to actuate a spring return This section provides detailed procedures for installing the SVI II ESD Figure 40 SVI II ESD Exploded View Prior to beginning the installation process review the Safety...

Страница 58: ...SD Dimensions 122 55 mm 34 00 mm 1 90 mm 38 10 mm 47 58 mm 74 97 mm 96 56 mm 34 00 mm 23 00 mm 74 97 mm 203 93 mm 8 03 in 4 825 in 4 93 in 125 33 mm 1 34 in 0 075 in 1 90 mm 0 075 in 4 19 in 106 36 mm 2 1 in 53 18 mm 1 5 in 1 87 in 2 95 in 3 8 in 145 37 mm 5 72 in 1 34 in 90 in 2 95 in Standard Weight 7 4 lbs 3 357 kg Center of Gravity Stainless Steel Housing Weight 16 lbs 7 257 kg ...

Страница 59: ...ing or carrying out any maintenance tasks associated with this instrument READ THE INSTRUCTIONS CAREFULLY Installation Compliance voltage testing is best done before installation See Determining an SVI Positioner Compliance Voltage in a Control System on page 217 The steps necessary to complete the SVI II ESD installation and software setup are outlined in Table 4 Table 4 SVI II ESD Installation S...

Страница 60: ...tors or reduce the vibration using appropriate damping mounts Necessary Precautions To avoid injury or affecting the process when installing or replacing a PST controller on a control valve ensure that 1 If the valve is located in a hazardous area make sure the area has been certified as safe or that all electrical power to the area has been disconnected before removing any covers or disconnecting...

Страница 61: ...as Environment on page 171 for installation instructions NOTE Area classification is the responsibility of the end user WARNING Do not remove the instrument cover or connect to an electrical circuit unless the power is disconnected Natural gas will escape into the surrounding atmosphere upon disconnecting any of the pneumatic connections or removing any cover or pressure containing component WARNI...

Страница 62: ... and possibly vent from the SVI II ESD if connected to a natural gas supply Hazardous area clarification is the responsibility of the end user area ventilation and other safety measures may be required to maintain a safe environment WARNING Installation in poorly ventilated confined areas with any potential of gases other than oxygen being present can lead to a risk of personnel asphyxiation WARNI...

Страница 63: ...he actuator for any position of the valve and actuator 2 Bolt the extension shaft to the valve position take off shaft using a 1 4 28 UNF socket flathead screw Secure the machine screw holding the extension shaft with a torque of 144 in lbs 16 269 N m 3 On internal valve pressure the thrust shaft is pushed out to the mechanical stops usually a thrust bearing On valves where the valve position take...

Страница 64: ...is is vertical when the valve is in the closed position 7 Align the end of the magnet holder flush with the end of the mounting bracket Secure the magnet holder with two M6 set screws 8 Slide the V Seal over the magnet holder 9 Secure the SVI II ESD onto the mounting bracket using four M6 x 20 mm Socket Head Cap Screws 10 Ensure no interference exists with the position sensor protrusion 11 Ensure ...

Страница 65: ...ntially explosive atmosphere permit the safe opening of the cover To remove the SVI II ESD PST controller from a rotary valve perform Steps 1 9 on page 63 in reverse Table 5 Travel Sensor Alignment Rotary Mounting System Stroke Direction Magnet Orientation Valve Position Sensor Counts Rotary 60 Rotation Clockwise or counter clockwise rotation 0 Closed 0 0 1000 60 Rotation Clockwise with increas in...

Страница 66: ...or using four 4 M5 x 0 8 x 10 flat head cap screws Figure 43 Namur 20 30 mm Mounting Kit 2 Place the indicator disk with metal insert over the valve actuator shaft and secure using an M6 x 1 0 x 45 socket head screw 3 Place the Quarter Turn Mounting Plate into place sliding it through the anti backlash spring into the dowel pin at the end of the plate into the hex head screw installed in step 2 4 ...

Страница 67: ... 10 flat head cap screws 2 Place the indicator disk with metal insert over the valve actuator shaft Figure 44 Namur 50 mm Mounting Kit 3 Place the Namur coupling and lever on top of the indicator disc and secure with an M6 x 1 0 x 25 socket head screw 4 Place the Quarter Turn Mounting Plate into place sliding it over the lever and through the anti backlash spring 5 Secure the bracket using four 4 ...

Страница 68: ...2 required 3 8 Combination Wrench 1 2 Combination Wrench Phillips Head Screw Driver 5 mm Hex Key Wrench 1 Ensure that the lever is pinned to the magnet assembly and held securely by an M5 flat head screw to ensure that the magnet axis is vertical when the lever is in the valve closed position Tighten the lever screw securely Refer to Figure 45 Figure 45 Magnet Holder for Reciprocating Valves 2 Mou...

Страница 69: ... two turns Turnbuckle length is a function of actuator size Refer to Table 6 on page 70 7 Secure the magnet housing assembly including the lever and right hand rod end to the bracket using four M5 X 10 mm flat head screws 8 Attach the left hand threaded rod end to the take off rod with 1 4 20 UNC nut and thread the left hand lock nut onto the rod end Figure 47 Reciprocating Linkage 9 Move the valv...

Страница 70: ...le Lever Hole Turnbuckle Length 6 and 10 0 5 0 8 12 7 20 32 mm A A 1 25 31 75 mm 10 0 5 0 8 12 7 20 32 mm A A 1 25 31 75 mm 10 0 8 1 5 20 32 41 5 mm B B 1 25 31 75 mm 16 0 5 0 8 12 7 20 32 mm B A 2 90 73 66 mm 16 0 8 1 5 20 32 41 5 mm C B 2 90 73 66 mm 16 1 5 2 5 41 5 63 5 mm D C 2 90 73 66 mm 23 0 5 0 8 12 7 20 32 mm B A 5 25 133 35 mm 23 0 8 1 5 20 32 41 5 mm C B 5 25 133 35 mm 23 1 5 2 5 41 5 6...

Страница 71: ... the actuator valve configuration Using ValVue ESD to Check Magnet Position Use this procedure to check the magnet using ValVue ESD provided with SVI II ESD Also refer to Table 5 on page 65 for sensor information 1 Connect to the PST controller in accordance with the ValVue ESD instructions For further information refer to the ValVue ESD On Line Help or Instruction Manual 2 After the PST controlle...

Страница 72: ...the configuration checkout Valve Air to Open ATO or Air to Close ATC Actuator pressure rating Actuator bench range Inherent trim characteristic of the control valve linear equal percentage or other NOTE For the aforementioned information refer to the valve data sheet or model number of control valve Verify Mounting and Linkage Adjustment Inspect the mounting and make any needed adjustments before ...

Страница 73: ...o assure that the supply air is sufficiently free of oil water and particulate contaminants Ensure that an adequate pressure relief provision is installed when the application of system supply pressure could cause peripheral equipment to malfunction Installation must be in accordance with local and national compressed air and instrumentation codes Table 7 provides the pneumatic connections and air...

Страница 74: ...he back Maximum allowable air supply pressure to the SVI II ESD varies according to actuator valve size and valve type Refer to the serial plate of the valve to know the specified supply pressure it must never be less than the maximum spring pressure 10 psi 1 Install the tubing to the air supply port S 2 For a single acting actuator pipe the outbound air from the output pressure port I to the actu...

Страница 75: ...ns on page 73 Wiring the SVI II ESD There are two components to wiring the SVI II ESD making an electrical connection for power and making a local control loop connection for HART communication Electrical Connection Guidelines When making the SVI II ESD electrical connections follow these guidelines 1 The SVI II ESD device is available in two control signal configurations 4 20 mA or 0 24 VDC 2 Pro...

Страница 76: ...d conduit Protect outdoor cable runs against lightning strike 11 Connect the SVI II ESD to a high quality instrument grade ground sized as required by local electrical codes A grounding stud is provided inside the enclosure WARNING Comply with current national and local regulations for electrical installation work Comply with national and local explosive atmosphere regulations Before carrying out ...

Страница 77: ... Discrete Safety Demand DSD The Discrete Safety Demand configuration is 24 VDC power and trip signal with superimposed HART communications Figure 53 Figure 52 Discrete Safety Demand DSD Configuration SVI II ESD 4 20 mA HART 2 Wire Solution Safety Function Triggered by Current Sensing 5 6mA Safety Trip Control System or Safety System AO SVI II ESD 24 VDC HART Safety Function Triggered by Discrete 0...

Страница 78: ...sically connect the SVI II ESD to the HART loop using a cable specified by Field Comm A shielded cable is recommended To connect the Control Loop to the SVI II ESD 1 Connect one end of the cable to the control loop s 4 20 mA output 2 Remove the threaded wiring covers on the PST controller 3 Connect the other end of the cable to the SVI II ESD There are two threaded openings on the PST controller U...

Страница 79: ...rent is 3 2 mA If the module loses power and the AO circuit remains powered the AO signal will be 3 2 mA Compliance Voltage in Single Drop Current Mode The SVI II ESD requires 9 6 V at 20 mA and 11 0 V at 4 mA Typical HART devices require MORE Voltage at higher current and MORE current source have LESS Voltage available at higher current The SVI II ESD is unique in that it requires LESS Voltage at...

Страница 80: ...d configuration uses a 4 20 mA current source for power CAUTION Use of a low impedance voltage source damages the SVI II ESD The current source must be a true high impedance current limiting device A proper current source explicitly enables adjustment of the current in mA not Volts To power up the ASD configuration of the SVI II ESD 1 Loosen the four 4 cover screws and remove the cover of the SVI ...

Страница 81: ...ctory Once calibrated and configured and set to NORMAL the PST controller cycles through the NORMAL cycle menu and the following values appear PRES Pressure unit of measurement and value SIGNAL POS Position An exclamation point appears in the display s top left corner to indicate that further instrument status is available Powering Up the A DSD Configuration The A DSD or Analog Discrete Safety Dem...

Страница 82: ...Position An exclamation point appears in the display s top left corner to indicate that further instrument status is available NOTE The safety function of the SIF shutdown of the valve on demand must be tested after installation Checking the Electronic Module Connections WARNING Do not remove the instrument cover or connect to an electrical circuit in a Hazardous Area unless the power is disconnec...

Страница 83: ...fety Trip Signal HART Analog PST Not Used Device Power Analog PST HART ESD In 0 24 VDC Not Used Safety Trip Signal HART Safety Trip Signal Analog Out 4 20 mA Position Transmitter Position Transmitter Position Transmitter SW1 1 A 24 VDC Not Configurable Not Configurable Not Configurable SW2 1 A 24 VDC Configurable Status Configurable Status Configurable Status DI switch input Unlatch 1 Unlatch 1 Un...

Страница 84: ...erminal Board NOTE Connections for available options are activated using SMARTs Assistant Display Process Variable Position Retransmit Configuration Lock Jumper 24VDC IN Input Signal Output Switch SW 1 Output Switch SW 2 Display Process Variable Position Retransmit Configuration Lock Jumper 4 20 mA Input Signal Output Switch SW 1 Output Switch SW 2 Digital Signal 24VDC IN Input Signal ...

Страница 85: ... stripped strip the insulation at the end of wires 2 Locate the correct terminal block on the terminal board see Figure 54 on page 83 3 Push the lever back at the top connector until you see the opening for wire insertion The connectors are spring activated and may require a lot of pressure to move the lever 4 Insert the wire into the opening and release the lever NOTE Improperly or inadequately g...

Страница 86: ...nance procedures must be performed only by the factory authorized personnel trained to repair Safety Devices 3 If alarms or alerts are detected during operation maintenance or periodic inspection and test immediately take corrective action according to the troubleshooting and repair procedures given in the Instruction Manual Factory Notification Report any failures detected that compromise functio...

Страница 87: ...display cover follow the instructions below for removal and installation Tools Needed for Cover Replacement 5 mm hex key for the cover 3 mm hex key for the lanyard Removing the SVI II ESD Display Cover To remove the SVI II ESD Display cover 1 Using a 5 mm Hex key unscrew the four screws around the perimeter of the SVI II ESD cover 2 Lift the cover off the PST controller Figure 57 SVI II ESD Pneuma...

Страница 88: ...the LCD connector on the terminal board 4 Ensure that the gasket is in its groove in the housing 5 Place the cover over the screw mounts 6 Tighten the four screws with the 5 mm hex key 7 After installing the new display Powering Up the SVI II ESD on page 80 NOTE The cover of the SVI II ESD is a critical component for safety in Hazardous Areas To ensure safe operation the flat surfaces of the cover...

Страница 89: ...isplay When configuring or calibrating a valve equipped with SVI II ESD using the pushbutton display the following steps are recommended 1 Change mode to Manual mode 2 Examine and adjust all Configuration items 3 Enter Calibration mode 4 Run Stops to automatically calibrate stroke An accumulated value of 100 travel 1 stroke The travel does not need to occur in one movement 5 Run Auto Tune to set d...

Страница 90: ...isolated from the process Keep hands clear from moving parts Configuration with Pushbutton Display To change the current configuration parameters 1 After power up if SVI II ESD is not in NORMAL mode switch to NORMAL mode The display alternates between POS and SIGNAL indicating NORMAL mode 2 Press to until MANUAL appears 3 Press to select MANUAL mode The display alternates between POS M and SIG ind...

Страница 91: ...rough and observe the factory configuration 4 Press until MANPOS appears and press The adjustment screen appears 5 Stroke the valve open by holding down The rate of set point change is slow to begin but increases speed while the is pressed 6 Stroke the valve to several values 7 Verify the action is as desired Table 9 VIEWDATA Settings Configuration Parameter Typical Setting Optional Setting Air Ac...

Страница 92: ...ressure Units Menu Language Menu Air to Menu CONFIG CONFIG Language Menu Pressure Menu Units Select display language Select display units for pressure Select Air To Open ATO or Air To Close ATC Must match the actuator exactly Press to select option Press or to accept and proceed to next menu item SPANISH PORTUGUESE JAPANESE ITALIAN GERMAN See Figure 62 on page 107 for full menu ...

Страница 93: ...calibrate the SVI II ESD 1 On power up if SVI II ESD is not in NORMAL mode switch to NORMAL mode Display alternates between POS and SIGNAL indicating NORMAL mode 2 Press to access MANUAL mode and MANUAL appears 3 Press to select the MANUAL mode and the display alternates between POS M and SIG indicating MANUAL mode 4 Press and SETUP appears 5 Press and CONFIG appears 6 Press to display CALIB 7 Sel...

Страница 94: ...When auto TUNE proceeds numerical messages are displayed indicating the procedure is working 2 When auto TUNE is complete TUNE appears 3 Press repeatedly until SETUP appears 4 Press to return to SETUP menu and CALIB appears The valve moves to the value set by the current calibrator 5 Stroke the valve through its range to verify that movement is as needed 6 Press to return to SETUP 7 Press to retur...

Страница 95: ...to non zero value Table 10 Rough Guide to Effect s of Changing PID Values Parameter Rise Time Overshoot Settling Time Increase Value Decrease Value Increase Value Decrease Value Increase Value Decrease Value P Decrease Increase Increase Decrease Small Effect Small Effect I Small Effect Small Effect Decrease Increase Decrease Increase D Small Effect Small Effect Decrease Increase Decrease Increase ...

Страница 96: ...ition as the new 100 position Adjust Input Signal Range SIG LO displays the input signal that corresponds to the full closed ATO or full open ATC valve position 1 In SIG LO if the displayed value is Correct press to advance to the next item and move to step 4 Not correct press to display SIG LO value 2 Use and buttons to change the value 3 Press to return to menu and move to next item SIG LO value...

Страница 97: ...intenance It is password protected against access to remote instruments It is set up with different administration level features ValVue ESD is the most complete and easiest to use configuration tool ValVue ESD is delivered with each SVI II ESD ValVue ESD provides a personal computer interface for configuring and calibrating SVI II ESD Use of these tools is recommended See the ValVue ESD On Line H...

Страница 98: ... position When the jumper is in lock position shorting the two pin header the HHC is not allowed to make any changes However parameters are readable If fault messages appear they must be handled before proceeding with HART communications Before communications proceeds all error messages must be cleared For example the following message is displayed if the instrument has been serviced and the air i...

Страница 99: ...l mode 7 Scroll to line 6 EXAMINE press 8 Scroll down to line 5 read status 9 Read message 10 Press OK 11 Repeat OK to read all messages until the display returns to read status 12 Scroll down to line 6 clear status press 13 If clear fault codes not completed appears press OK and read the message Position Error for example or go to the troubleshooting guide 14 Correct the problem Is the air supply...

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Страница 101: ...g critical information locally and remotely The four available communication tools listed below offer increasing levels of functionality Local Display and Push Buttons HART Handheld Communicator ValVue ESD Any HART capable Host loaded with the DD for the SVI II ESD Local Display and Pushbuttons The most basic and easiest interface is the local pushbutton and display option mounted on the SVI II ES...

Страница 102: ...y per formed tuning Autotune or manual Once Aggressiveness and other tuning values are determined they are stored in NVRAM The SVI IIAP provides a user define Aggressiveness Level for auto tuning the allowable range varies from 9 to 9 where 0 Zero is consider normal tuning The Aggressiveness Level influ ences stroking speed and over shoot A negative value will SLOW stroking speed and help minimize...

Страница 103: ...you can read the input signal valve position and actuator pressure The display switching sequence from one variable to the next is every 1 5 seconds Using pushbuttons you can change operating modes at any time and step through a menu structure to perform manual operation calibration configuration and monitoring functions SVI II ESD provides internal diagnostics and if a fault is detected it appear...

Страница 104: ...libration CALIB and PST configuration CONFIG Using CONFIG configuration menu you can set the following parameters ATO ATC Pressure units display language CALIB Using CALIB calibration menu you can calibrate SVI II ESD by running STOPS find stops and TUNE autotune functions PST CONF Using PST CONF PST configuration menu you can configure the following PST parameters TRAVEL adjustable from 0 to 100 ...

Страница 105: ...gital display Holding down this button causes the value to increase at a faster rate Pushbutton Locks and Configuration Lock Jumper Before performing any configuration or calibration functions using the local display you must first ensure that the pushbuttons are placed in unlocked mode using ValVue ESD The positioner is factory set in unlocked mode See ValVue ESD On Line Help for more details The...

Страница 106: ...through Figure 28 on page 44 based upon SVI II ESD model When set to secure position shorting the two pin header configuration and calibration are not permitted using local interface or by remote communications Pushbuttons ValVue ESD and GE DPI620 are locked out except to examine configuration calibration and position This is similar to Security Level 1 shown in the Pushbutton Lock Security Level ...

Страница 107: ...valve to move to the last position it was at when leaving NORMAL mode When in the MANUAL mode the device does not respond to the 4 20 mA signal However the SVI II ESD unit can still respond to HART commands including HART commands to position the valve When you switch to VIEW DATA or VIEW ERR menus from the NORMAL operate mode menu the valve is still in NORMAL mode and responds to the 4 20 mA sign...

Страница 108: ...y change to the valve position linkage you must run the find STOPS calibration again Figure 63 CONFIGure Menu ATO Setup Air to Menu CONFIGuration Menu ATC PSI BAR KPA ENGLISH FRENCH Pressure Units Menu Language Menu Air to Menu CONFIG CONFIG Language Menu Pressure Menu Units Select display language Select display units for pressure Select Air To Open ATO or Air To Close ATC Must match the actuator...

Страница 109: ...ioner or set it to less than 3 6 mA 3 Observe the control valve position If the valve is closed the actuator is ATO If the valve is open it is ATC Pressure Units Select display units for the optional actuator pressure sensor The available choices are PSI BAR or KPA The choice applies to local LCD display ValVue ESD software display and to HART Handheld communicator 1 Press to move from PSI to BAR ...

Страница 110: ...S calibration again Figure 64 CALIBration Menu SETUP CALIBration Menu STOPS RUNNING STOP OP TUNE FAILURE STEP 1 3 STEP 2 3 CALIB VALUE VALUE STEP 3 3 If a calibration tuning error occurs FAILURE message appears Press briefly and automatically return to TUNE starting point FAILURE If a calibration stops error occurs FAILURE message appears Press briefly and automatically return to STOPS starting po...

Страница 111: ... PST Refer to PST Configuration on page 122 Figure 65 PST CONFiguration Menu RAMPSPEED PST CONFiguration Menu TRAVEL Menu PST CONF Setup MAX TIME Menu PMIN Menu Press to select option Press or to adjust value and proceed to next menu item TRAVEL VALUE VALUE PMin Pressure VALUE VALUE Units MAX TIME VALUE VALUE Travel Menu Minimum Pressure Menu Maximum Time Menu Ramp Speed Menu RAMPSPEED VALUE VALUE...

Страница 112: ...e displayed values change in accordance with input signal changes When entered from MANUAL mode the valve is in locked position The parameters viewable by pressing and are SINGLE ATO or ATC PSI BAR KPA Viewing Configuration Parameters To view configuration parameters use the following procedure 1 If in NORMAL operating mode press any button 2 Press to move through options until you reach the VIEW ...

Страница 113: ...Maintenance Manual 113 2017 Baker Hughes a GE company LLC All rights reserved Figure 66 VIEW DATA Menu SINGLE PRESSURE UNITS VIEW DATA ACTUATOR TYPE PSI BAR KPA ACTION TYPE ATO or ATC VIEW ERR PST CONF See Figure 62 on page 107 for full menu ...

Страница 114: ...ion on page 122 The PST configuration parameters viewable by pressing and are TRAVEL PMIN Pressure Units PSI BAR KPA MAX TIME RAMPSPEED Viewing PST Configuration Parameters To view PST configuration parameters use the following procedure 1 If in NORMAL operating mode press any button 2 Press to move through the options until you reach VIEW DATA menu item 3 Press to go to VIEW DATA menu This leaves...

Страница 115: ...ecorded by the SVI II ESD Figure 68 View Err Menu PST CONFiguration VIEW DATA Menu PST CONF TRAVEL VALUE PMin Pressure VALUE Units MAX TIME VALUE RAMPSPEED VALUE Back Back VIEW DATA See Figure 62 on page 107 for full menu First Error VIEW ERR Second Error Error Name CLR ERR Error Name Continuously pressing proceeds through all errors When you reach the final active error press to Back go to Back S...

Страница 116: ...then clear the error messages or run through FAILSAFE menu view error messages enter MANUAL mode and RESET Note that RESET restarts operation When failsafe occurs 1 Press to move to VIEW ERR menu 2 Then press to view the first error message Pressing scrolls through all fault messages in turn 3 When the cause of the problem has been corrected press to move to CLR ERR menu 4 Press to remove all erro...

Страница 117: ...ilable from Field Comm The SVI II ESD DD can be obtained from the factory or by contacting your local representative WARNING Do not connect a HART modem and PC to a control circuit unless the controller is HART compatible or has a HART filter Loss of control or a process upset can occur if the controller output circuit is not compatible with HART signal Do not Connect a PC or HART modem to an intr...

Страница 118: ...software ValVue ESD provides a user friendly interface to facilitate set up and operation of the positioner ValVue ESD is used to configure calibrate and perform valve diagnostics with SVI II ESD utilizing HART communications protocol SVI II ESD is delivered with a trial version of ValVue ESD ready to use without registration Refer to ValVue ESD On Line Help ...

Страница 119: ...ture 5 I O s 6 Raw Sensor Data Temperature 1 Actual Board Temperature 2 Max Board Te mperature 3 Min Board Temperature Set point and Position 1 Input Signal 2 Valve Position Raw Sensor Data 1 Raw Signal 2 Raw Position 3 Raw Pressure 4 I P Output 5 Lower Stop 6 Upper Stop 7 I P Current Limits Others 1 Sche duling PST 2 Friction Low Limit 3 Friction High Limit 4 Breakout Limit 5 Dr oop Limit 6 Freez...

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Страница 121: ...alve on line without removing it from the SIS SVI II ESD allows you to automatically or on demand perform a Partial Stroke Test PST which returns relevant data concerning valve operation and can allow you to detect potentially dangerous failures PST partially strokes the valve and returns data about the valve s performance SVI II ESD is the most advanced PST device with the most integrated sensors...

Страница 122: ... to Table 11 on page 104 for PST configuration parameters PST Configuration with Display Menu When using the LCD display to configure PST 1 Access PST Configuration PST CONF menu Refer to Figure 62 on page 107 for menu structure 2 Scroll through each PST parameter and adjust accordingly PST Configuration menu is displayed in Figure 71 on page 123 The adjustable parameters are as follows PST Travel...

Страница 123: ...RAMPSPEED PST CONFiguration Menu TRAVEL Menu PST CONF Setup MAX TIME Menu PMIN Menu Press to select option Press or to adjust value and proceed to next menu item TRAVEL VALUE VALUE PMin Pressure VALUE VALUE Units MAX TIME VALUE VALUE Travel Menu Minimum Pressure Menu Maximum Time Menu Ramp Speed Menu RAMPSPEED VALUE VALUE See Figure 62 on page 107 for full menu ...

Страница 124: ... time See the help file PST Data from ESDVue NOTE After you launch a connected device from ValVue ESD the software tool changes to ESDVue ValVue ESD is the main interface for detecting and launching SIS devices After a connected device has been selected the software tool for connected device is ESDVue When using ESDVue to run PST ESDVue provides PST feedback in a graphical format Examples of PST g...

Страница 125: ...e 73 PST Benefits PST Improves Risk Reduction Factor RRF and Probability of Failure on Demand PFD Does Not Disturb the Process Increases Duration between Full Proof Testing of ESD s Can Reduce the Number of required Valves for the SIF PFD No PST PFD with PST Valve is fully stroked Full Test Years 1 2 Risk SIL 1 SIL 2 SIL 3 ...

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Страница 127: ...sphere The accumulated static energy in the actuator spring provides the necessary force to bring the valve to its closed position Because of it data monitoring capability due to its embedded sensors SVI II ESD is capable of validating the health of its integral components The ESD valve partially stroking capacity while in normal operations energized to stay open enables validation of valve and ac...

Страница 128: ...onfigurations used to connect to the control system in four 4 different scenarios The three configurations are used exclusively and cannot be combined in any way The SIL 3 circuit has complete and independent control to set the IP output to a de energized state upon demand The SIL 2 rated annunciation function is the SW 1 HART and AO are user configurable to be SIL 2 rated annunciation functions a...

Страница 129: ...ts SVI II ESD internal diagnostics diagnose the following I P health Relay health Sensor health A D Temp Pressure Air supply etc Other features Discrete output SW 1 is de energized for any fault related to the I P relay or valve actuation assembly resulting from a PST or while in normal operation HART communication HART CMD 48 can be used as the basis for fault communication Blinking alarms on the...

Страница 130: ... the valve position feedback is within range no further correction is applied to the servo signal in order to maintain valve position Local explosion proof LCD Buttons if equipped display provides configuration or calibration capabilities in all operating environments The limit switch transmitter options board provides software configurable contact outputs and analog 4 20 mA position feedback SVI ...

Страница 131: ...act sensor using a magnetic field to transfer position through the wall of the housing without penetration senses valve position A Hall effect device sealed within the electronics housing senses rotation of a magnetic assembly mounted on the end of rotary valve shaft or on a driven linkage mounted on reciprocating valve The Hall sensor output provides the position feedback signal to the position c...

Страница 132: ... in electronics module and measures ambient temperature This measurement provides temperature compensation for the position and pressure sensors and other internal electronic components Temperature is read via the HART communication link to provide a warning if excessive ambient temperature at the positioner occurs ...

Страница 133: ...tch If the switch is connected directly across the power source the current will be limited only by the capacity of the power source and the switch can be damaged General Configuration Notes This section discusses the necessary precautions when configuring a system CAUTION Incorrect polarity connection results in an effectively closed connection CAUTION Consult with qualified personnel to ensure t...

Страница 134: ...guration Without a load when the switch is on closed the external voltage would be dropped across the switch This damages the switch Figure 76 Figure 76 Simplified Switch Installation Drawing Configuration Not Allowed SVI II ESD Switch Output 1 V with switch ON External Voltage Source LOAD Load is designed to ensure that voltage across the switch is 1 V If the load is inductive solenoid incandesce...

Страница 135: ...vated until the SVI II ESD status is cleared 3 Position Error the switch is activated whenever a position error has occurred and is deactivated when the position recovers to the cor rect position 4 Tight Shutoff Active the switch is activated whenever the device is in tight shutoff tight shutoff is on and the valve position is less than the tight shutoff position 5 Position Low Limit the switch is...

Страница 136: ...ional to the applied current The field magnetically pulls a flexure towards a nozzle to increase pressure on the flexure The pressure on the flexure increases in response to a coil current increase Coil encapsulation of the provides protection from environmental pollution Single Acting Pneumatic Relay The single acting pneumatic relay amplifies the pressure from the I P and increases airflow as re...

Страница 137: ...s taken in estimating the service interval for the digital valve controller in Safety Instrumented Systems For SIS applications preventive maintenance should be performed on the SVI II ESD five years from date of shipment if the average daily ambient temperature is below 60 C 140 F For applications where ambient temperature exceeds 60 C 140 F for extended periods reduce this maintenance interval b...

Страница 138: ...tification which must be performed by factory authorized personnel trained to repair Safety Devices Display Cover Removal and Installation The cover with display Figure 78 is standard with the SVI II ESD If you to replace the display cover follow the instructions below for removal and installation Tools Needed for Cover Replacement 5 mm hex key for the cover 3 mm hex key for the lanyard Removing t...

Страница 139: ... the terminal board to the SVI II ESD housing 3 Connect the cable from the display into the LCD connector on the terminal board 4 Ensure that the gasket is in its groove in the housing 5 Place the cover over the screw mounts 6 Tighten the four screws with the 5 mm hex key 7 After installing the new display you must power up the unit refer to Powering Up the SVI II ESD on page 80 NOTE The cover of ...

Страница 140: ...re upgrade on CD ROM Installing Firmware Upgrade It is recommended that configuration is uploaded and saved prior to installation procedure Follow ValVue ESD instructions to save the old configuration Follow the detailed instructions included with the software update To check firmware version cycle the power off then on to perform a cold start The display shows software version in upper right corn...

Страница 141: ...al Diagnostics SVI II ESD performs internal self diagnostics and hardware checks When ValVue ESD or HART Handheld or the local display indicates that there are error messages write them down for troubleshooting Diagnostic information is a crucial function of SVI II ESD operation There are several methods to perform diagnostics and to view diagnostic data The SVI II ESD has Internal Diagnostics tha...

Страница 142: ... power off and on To prevent the valve from moving after reset Put the controller in manual and set valve position setpoint to Failsafe position 0 if ATO 100 if ATC You can set a special case of FAILSAFE for use on critical loops to force the process to trip if a positioner is unable to control the valve by Setting a Position Error Band and a Position Error Time 2 that forces valve to its failsafe...

Страница 143: ...to clear all messages recommended or press to move to the next option Positioner Fault Messages Table 13 on page 145 lists fault codes and messages that appear on the display The table also explains the meaning of each message and a possible cause of the fault Return to Normal Operation Always return the positioner to NORMAL operating mode to resume control by input signal To return to NORMAL mode...

Страница 144: ...iagnostic messages are viewed with VIEW ERR from the MANUAL mode menu or from NORMAL mode menu VIEW ERR menu item allows you to read current status information To clear error messages Press at CLR ERR on either MANUAL or NORMAL mode menus Exiting from the VIEW ERR menu returns to the previous menu ...

Страница 145: ... LOW_ POWER 3 Yes when Input current 3 25 mA No No No Yes Low Power Device power is below 3 2mA Increase mA only if calibration or diagnostics are to be performed 3 0 2 ACTUATOR 2 Yes if the condi tion is resolved Yes No No Yes Actuator Error 1 Air supply is insufficient 2 Handwheel or mechanical stop present 3 Valve stuck of sticking exces sively 4 Unbalance forces on valve trim exceeds actuator ...

Страница 146: ...s than 15 or the set pressure 3 Validate that the air supply set to the instrument is greater that the spring final 10 psig 4 Set the mode to Normal using Val Vue ESD or HART Host 5 Perform Auto tune or Manual tuning using Val Vue ESD or HART Host 6 Valve will not follow command signal due to PST controller mal function such as I P or Relay 7 Valve will not follow command signal due to in line obs...

Страница 147: ...Failed 1 When calibrat ing stops Zero Span the travel sensor moved outside the acceptable limits 2 A procedure timeout occurred due to an extremely large volume of actua tor to displace 3 Valve position could not stabi lize when de energizing or when energizing the actuator 1 Using ValVue ESD or HART Host verify that travel sensor counts is 0 1000 with the valve closed For a 90 valve mea sured sen...

Страница 148: ...ed to move the valve between 10 90 1 Selected speed is too slow Increase speed for the test by incre ments of 1 2 Insufficient Air supply 13 1 4 EXT_ DIAGNOSTICS_ FAILED 3 Yes If the diagnos tics com pletes success fully Yes No No No Ext Diag nostics Failed 1 When running a Extended Actu ator Signature device failed to move the valve between the con figured travel 1 Selected speed is too slow Incr...

Страница 149: ...Out Of Range The board tem perature is below 40 C or above 85 C NOT IMPLE MENTED 20 2 3 FACTORYWRITE 3 NA NA NA No Yes Reserved 2 3 NA NOT IMPLE MENTED 21 2 4 Undefined reserved 3 NA NA NA No No Reserved 2 4 NA NOT IMPLE MENTED 22 2 5 Undefined reserved 3 NA NA NA No No Reserved 2 5 NA NOT IMPLE MENTED 23 2 6 Undefined reserved 3 NA NA NA No No Reserved 2 6 NA NOT IMPLE MENTED 24 2 7 Undefined res...

Страница 150: ..._FSAFE 1 NA Yes Yes No Yes Reserved 3 6 NA NA 32 3 7 Undefined reserved 3 NA NA NA Yes No Reserved 3 7 NA NA 33 4 0 REF_ VOLTAGE 1 No Yes No Yes No Ref Volt age Fault 1 A component problem is affect ing the circuit board s reference voltage 1 Replace the device and report problem at svi sup port BHGE com 34 4 1 POSITION_ SENSOR 1 No Yes No Yes No Position Sensor Fault 1 Electronic hall sensor comp...

Страница 151: ... No Yes No Yes No Supply Pressure Sensor Fault 1 Pressure sen sor 3 has been overpressurized and damaged 2 Pressure sen sor 3 has failed due to some mal function 1 Replace device and report prob lem at svisup port BHGE com 41 5 0 PRESSURE4 1 No Yes No Yes No I P Pres sure Sen sor Fault 1 Pressure sen sor 4 has been overpressurized and damaged 2 Pressure sen sor 4 has failed due to some mal functio...

Страница 152: ... Error 1 A general self check failed 1 Clear the condi tion using ValVue ESD or HART Host 2 If condition per sists replace device and report problem at svi sup port BHGE com 48 5 7 SOFTWARE 2 No Yes No Yes Yes Soft ware Error Operating system failed in conduct ing a task 1 Clear the condi tion using ValVue ESD or HART Host 2 If condition per sists replace device and report problem at svi sup port ...

Страница 153: ...before target travel 3 PST Time value was reached before target travel 4 An ESD event happened during PST 1 Verify that vent is not clogged up Verify that there are no Pneumatic Train Integrity Alarm present 2 Confirm that PST pressure set ting is not too high Run an extended signa ture to confirm proper PST Pres sure for desired travel target 3 Verify that vent is not partially clogged or that an...

Страница 154: ...56 6 7 TERMINAL_ BOARD_ DIAG 2 Yes No Yes Yes Yes ESD Cir cuit Integrity The hourly diag nostic detected a possible problem with the internal shutdown circuit Rerun Pneumatic Self Test test If situation persists the unit must be replaced 57 7 0 AI_PV_LOW 2 Yes Yes No No No Low PV Analog Input NA Not Implemented 58 7 1 AI_PV_HIGH 2 Yes Yes No No No High PV Analog Input NA Not Implemented 59 7 2 FRI...

Страница 155: ...ened springs or broken 5 Excessive fric tion between ball and seat 1 Verify proper setting of thresh old 2 Loosen up packing gland depending on packing type style and applica tion Overhaul packing box 3 4 5 Run Extended signa ture and overhaul valve if condition is validated 62 7 5 SUPPLY_ DROOP Supply deviation 2 Yes Yes Yes No Yes Air Sup ply Droop Abnor mal 1 The air supply droop measured durin...

Страница 156: ...gured threshold 1 Replace air fil ter regulator 2 Resize air mani fold 3 Adjust thresh old to be 3 5 psig greater than set air supply 65 8 0 IP_CAL_ DRIFT 2 No Yes No No Yes I P Cali bration Drift Warning 1 The current to pressure con verter s flexure has been tam pered with or mis adjusted 2 An impending failure is present in the flow regula tor of the I P 1 2 Service required Contact the factory...

Страница 157: ...or thrust 1 Verify presence of a mechanical stops such as a handwheel 2 Repair valve 3 Run a PST or Extended signa ture If friction is abnormal then overhaul valve 70 8 5 VALVE_ STUCK_ OPENED 1 Yes Yes No No Yes Valve Stuck Opened 1 A handwheel is left engaged 2 Valve is seized in place 3 Exhaust port is clogged up no venting 4 An accessory prevents the air from the actuator to be vented 1 Verify ...

Страница 158: ...n Cannot latch due to Low Supply Pressure due to one or more of the position or pressure sensors faults Airloss Latching disabled due to faulty sensor s If persists contact BHGE Implemented for firmware 3 1 6 75 9 2 AIR_LATCH_ DELAY 3 Yes No Yes No Yes No Rec Delay Specified Cannot latch because Air Latch Delay was not set would have never recovered if latched Airloss Latching delay is not entered...

Страница 159: ...bleshoot SVI II ESD See the ESDVue help file for specific instructions Use the Diagnostics screen to run diagnostic tests and review result in both graphical and data formats PST screen for PST diagnostics Status screen to view the current fault status of SVI II ESD operating parameters Check screen to view the current operating parameters of SVI II ESD and to send HART commands and read results ...

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Страница 161: ...essure Effect 0 05 per psi 73 per bar Relative Humidity 10 to 90 non condensing Humidity Effect Less than 0 2 after two days at 104 F 40 C 95 Relative Humidity Insulation Resistance Greater than 10 G Ohms at 50 RH MTBF 49 years based on MIL handbook calculation for electronic parts and field data on mechanical parts Electromagnetic Compatibility Electrostatic Electrostatic discharge No effect with...

Страница 162: ...tory for mounting instruc tions Position Auto Tune SVI II ESD performs automatic determination of the optimal valve position control parameters In addition to P I D the position algorithm uses damping symmetry for exhaust and fill time con stants dead zone and magnitude characteriza tion parameters Auto Tune is optimized for 5 step changes with negligible overshoot After Auto Tune process is compl...

Страница 163: ...4 VDC energized output ESD IN current draw 9 5 mA Wire Size 14 28 AWG Strip Length 0 22 in 6 mm Digital Communication HART Communication protocol signal from ValVue ESD software on a personal computer or a handheld device HART point to point and burst mode Local Display Liquid Crystal optional Three lines of nine alpha numeric characters Display becomes unreadable between 0 C and 10 C Display is s...

Страница 164: ...nits not applicable Table 20 Pneumatics Single Acting Standard Flow Air Supply Dry oil free 5 micron filtered air See ISA S7 3 Action Direct Supply Pressure 30 120 psi max 2 07 8 27 bar 207 827 kPa Regulated 10 psi above actuator spring range Do not exceed actuator rating Air Delivery Single Acting Relay 11 48 scf min 325 sL min filling 14 12 scf min 400 sL min venting at 30 psi 2 1 bar 207 kPa su...

Страница 165: ...ling 0 72 venting Sweet Natural Gas H2S content not more than 20 ppm Table 21 Control Valve Mounting System Non contact Hall Effect Position Sensor 18º to 140º rotation Rotary NAMUR Mounting Kit per VDI VDE 3845 Reciprocating Kits Available Table 22 ESD and Diagnostic Capabilities Diagnostics EC61508 compliant up to SIL3 certified by TUV and EXIDA Partial Stroke Testing Initiation HART Analog Loca...

Страница 166: ... SVI II ESD Device Type Code 203 CB Hex Device Revision 1 HART Protocol Revision 5 Physical Layers Supported FSK Table 24 Burst Mode Data Return Variable Description Units Range SVI II ESD firmware 312 PV Primary Variable Valve position 0 100 SV Secondary Variable Actuator Net Pressure 0 150 psig TV Tertiary Variable Not used Future QV Quaternary Variable Not used Future ...

Страница 167: ...ty Demand Analog In 4 20 mA Safety Trip Trigger HART Analog PST Device Power Analog PST HART Analog Out 4 20 mA Position Transmitter Position Transmitter Position Transmitter ESD In 0 24 VDC Safety Trip Trigger HART SW 1 1A 24 VDC Not Used Not Used Not Used SW 2 1A 24 VDC Configurable Status Configurable Status Configurable Status DI Switch Input Unlatch the SVI II ESD1 Unlatch the SVI II ESD1 Unl...

Страница 168: ...t Ignition Proof CL II III Div 1 GR E F G T6 T5 T4 Certified CL II Div 2 GR F G Certified CL III Div 2 Certified CL I Div 2 GR B C D Intrinsically Safe CL I II III Div 1 GR A B C D E F G T6 T5 T4 Approval Standard CAN CSA C22 2 94 M91 142 M198 157 92 213 M198 60529 05 Table 29 FM Approvals Explosion Proof CL I Div 1 GR B C D T6 T5 T4 Dust Ignition Proof CL II III Div 1 GR E F G T6 T5 T4 Suitable f...

Страница 169: ...D Installation and Maintenance Manual 169 2017 Baker Hughes a GE company LLC All rights reserved Table 31 Immunity Performance EN61000 4 2 3 4 5 6 8 EMC Per IEC61514 2 61326 61326 3 Table 32 Radiation Performance CISPR 22 ...

Страница 170: ...orrelates to a value in the alpha fields shown in Figure 79 Figure 79 SVI II ESD Model Numbering b Pneumatic 1 Single Acting c Capacity 1 Standard Flow d Display Housing 2 XP Buttons Standard AI 4 XP Buttons Offshore 316L f ESD Type 1 ASD w HART e Hardware 3 SIL3 Shutdown 2 DSD w HART 3 A DSD w HART g Option 2 Position Transmitter h Hazardous Certifications 5 FM CSA ATEX TUV f SVI II ESD 6 b c d e...

Страница 171: ...lso during an actuator vent cycle actuator pressure relief natural gas from the actuator is released into the area around the actuator vent port see images for actuator vent locations unless the unit is connected to remote vent gas piping see Remote Gas Piping Both sources of natural gas positive pressure bleeding and actuator venting must be considered when evaluating the Hazardous Classification...

Страница 172: ...reserved 172 BHGE Approximately 0 07 ft3 min 2 sLp min of natural gas exhausts from the I P and is vented For indoor applications take this into consideration and provide circulation and venting The exhaust points are shown below using red arrows 2 ...

Страница 173: ...re buildup inside the vent gas piping can be minimized by keeping the overall vent gas piping length as short as possible while limiting the number of fittings elbows and short radius turns Keep the vent gas piping diameter large with a minimum tubing diameter of 12 7 mm 1 2 for SVI II ESD Single Acting In addition to remote vent gas piping ensure that all components and covers are correctly insta...

Страница 174: ...k pressure on the relay The relay will not function properly with an exhaust pressure higher than atmospheric Consider the following a Minimize the exhaust tubing length and sharp bends 90 in the tubing b Maximize the tubing size consider stroking speeds if specified 5 Inspect the electrical conduit connection to ensure a proper seal conduit gland is installed 6 Ensure the covers and other pressur...

Страница 175: ...or from the DCS and transmitted to the positioner located remotely in the field The electrical characteristics of a current loop sending a signal to the field device are different from the apparently similar loop bringing a signal to a controller from a transmitter in the field The positioner receives its power from the current signal It receives its control setpoint from the value of the current ...

Страница 176: ...onnect a PC or HART modem to an intrinsically safe circuit except on the safe area side before the barrier Do not operate a PC in a hazardous area if not in compliance with local and plant regulations A control circuit must be HART compatible or have a HART filter installed Contact controller or DCS manufacturers See HART Filter Requirements on page 197 Comply with current national and local regul...

Страница 177: ...T tones must have a circuit impedance of more than 220 Ohms typically 250 Ohms HART tones can be imposed by the positioner to a communication device located anywhere on the signaling circuit Capacitance of the signaling circuit can not exceed about 0 26 microfarads or with high series resistance 0 10 microfarads Cabling must be shielded to prevent electrical noise that would interfere with HART to...

Страница 178: ... a HART modem or from a HART Hand held Communicator Since the source of the input signal from the process control system is located in a non hazardous location setup requires an intrinsic safety barrier be placed between the process control system and the SVI II ESD If the SVI II ESD is located in a hazardous area with Intrinsically Safe protection a barrier is not required for a flameproof instal...

Страница 179: ... 179 2017 Baker Hughes a GE company LLC All rights reserved Figure 82 General Purpose and Explosion Proof Installation Hazardous Area Non Hazardous Area Power Supply 220 Ohms HART compliant control system output card HART Modem SVI II ESD GE DPI620 ValVue ESD ...

Страница 180: ... the case at the lower right corner of the display cover and inside the cover The case is isolated from all circuitry and can be grounded locally in accordance with applicable codes Whenever after wiring or grounding noise or instability is present set the positioner to MANUAL mode of operation and manually position the valve over it s entire range If the valve is stable in MANUAL mode then the pr...

Страница 181: ...several SVI II ESD installations and compliance voltage calculation necessary to supply 9 V at 20 mA 1 Such as MTL HCU16AO Conclusion Control system must have a compliance voltage equal to or greater than 17 64 V contact the DCS vendor to verify compliance Conclusion Compliance voltage is not an issue because the isolator provides all the necessary voltage Table 33 Compliance Voltage for Single Ch...

Страница 182: ...t wire sizes up to AWG 14 The SVI II ESD is supplied with two 1 2 NPT conduit entries M20 adapters are available Internal and external ground terminals are provided for use if grounding is required NOTE When an intrinsic safety barrier separates the SVI II ESD from the modem or HHC a HART compliant barrier must be used Table 35 Compliance Voltage for No Barrier with HART Filter and Resistor and 18...

Страница 183: ...mpedance HART Protocol requires that this impedance has to be at least 220 Ohms at the tone signaling frequencies HART compliant current sources are supplied with the correct Impedance Versus Frequency Characteristic In Non Compliant Current Sources there may be a noise reduction capacitor across the output that lowers the impedance at higher frequencies and thus lowers the signaling voltage To be...

Страница 184: ...irements to preserve signal strength Refer to standards for detailed calculation methods CAUTION Do not connect a HART modem and a PC to a control circuit unless the controller is HART compatible or has a HART filter Loss of control or a process upset can occur if the controller output circuit is not compatible with HART signals HART Filter Required for Certain Control System Output Circuits The S...

Страница 185: ...re 88 on page 191 The total loop voltage must not exceed the rating for the controller output current source The DCS vendor should be contacted to validate this approach NOTE The internal electronic components are isolated from ground Grounding the case is unnecessary for functional purposes Grounding the case may be necessary to conform to local codes Setting Loop Addresses for Split Range System...

Страница 186: ...17 Baker Hughes a GE company LLC All rights reserved 186 BHGE Figure 84 Selecting Set Options Tools Menu on Connected Devices Screen Figure 85 Selecting Set Options Right Click on Connected Devices Screen ...

Страница 187: ... must be activated Activate multidrop on the Options screen by clicking Allow Multidrop Figure 86 If unchecked ValVue ESD looks for devices only at polling address 0 When in multidrop mode even if a device is found at polling address 0 other polling addresses are searched DCS systems offer multiple independent analog outputs driven by the same control signal to solve the voltage problem with split...

Страница 188: ...a high voltage output capacity Up to three isolators can be connected in series to a single controller output and each of them can drive a positioner Isolators are used to provide compliance voltage and isolation even in installations not requiring intrinsic safety Consult the manufacturer for detailed installation instructions The HART loop address of each device must be set to 1 2 and 3 or any n...

Страница 189: ...E company LLC All rights reserved Figure 87 Split Range with Isolator HART Filter HART Modem ValVue ESD Control System Output Card Power Supply Power Supply Hazardous Area Non Hazardous Area HART Address 1 HART Address 2 I S Galvanic Isolator I S Galvanic Isolator GE DPI620 GE DPI620 ...

Страница 190: ...n page 175 Use the following procedure to ensure that SVI II ESD split range system is properly powered 1 Connect a DC voltmeter across the input terminals For input current value between 4 and 20 mA the voltage varies between 11 V and 9 V respective 2 Read current from the local display or with a milliammeter installed in series with the SVI II ESD When voltage exceeds 11 V check that polarity is...

Страница 191: ...ughes a GE company LLC All rights reserved Figure 88 Split Range with Supplemental Power Supply Non Hazardous HART Filter HART Modem ValVue ESD Control System Output Card Power Supply HART Address 1 HART Address 2 Power Supply Supplemental voltage Non Hazardous Area GE DPI620 ...

Страница 192: ...ed when Explosion Proof methods are applied Clarification of Terminology In Factory Mutual Research and Canadian Standards Association codes Explosion Proof means use of approved enclosures and conduit enclosed cables while in ATEX code this method is called Flameproof In ATEX countries Explosion Proof means both Flameproof and Intrinsically Safe Recommended Practice for Severe or Humid Environmen...

Страница 193: ...ailable position nearest to field wiring terminations Field Wiring Wiring terminations are shown in Figure 89 The transmitter s and the valve s Tx terminal is used to supply 24 VDC to the field device On the system side the transmitter signal is measured across Ch and Ch while valve signal is simply returned to 0 VDC Figure 89 HART Device in DCV Application RS485 link to host 24V HART MUX power Sy...

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Страница 195: ...ndards for Intrinsic Safety For choice and application of intrinsic safety barriers special training is required For additional information consult MTL Instruments PLC Measurement Technology Limited All installations must comply with plant standards and local and international electrical codes There are three basic barrier types Single channel Zener diode barriers Dual channel Zener diode barriers...

Страница 196: ...riers and active galvanic isolators can be HART compliant Consult manufacturer or refer to documents listed at the end of this instruction manual Figure 90 Intrinsically Safe Installation with Zener Barrier and HART Filter Power Supply HART Compliant Control System Output Card HART Modem SVI II ESD ValVue ESD Barrier Resistance Single Channel Zener Barrier Hazardous Area Non hazardous Area HART Fi...

Страница 197: ...ded or separated from ground and provides sufficient compliance voltage The galvanic isolator must be certified by the manufacturer to be HART compliant if the HART connections are supported on the safe area side of the isolator Figure 90 on page 196 Consult barrier and isolator manufacturer for devices rated for use with SVI II ESD positioner I S entity parameters in Hazardous Area Approvals HART...

Страница 198: ...ntrol or a process upset can occur if the controller output circuit is not compatible with HART signals NOTE A control circuit must be HART compatible or have a HART filter installed Contact controller or DCS manufacturer See HART Filter Required for Certain Controls System Output Circuits Power Supply Hart Compliant Control System Output Card HART Modem SVI II ESD ValVue ESD I S Galvanic Isolator...

Страница 199: ...uch as Factory Mutual with jurisdiction outside the European Union for intrinsic safety The product can be used outside the European Union e g in the USA on the sole authority of the buyer MACTek makes no claims of suitability and offers no warranties regarding the use of this product for connection of PCs to circuits extending into hazardous areas in countries outside the European Union Do not co...

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Страница 201: ...shown for actuator pressure signal caused by friction in typical actuators Scales are chosen to emphasize relationships between input current and actuator pressure so that the failsafe valve position is shown at the lower left of each graph For an ATC valve 4 mA represents 100 valve travel not the expected 0 Controller and other human machine interfaces must correctly show that the valve is fully ...

Страница 203: ...Masoneilan SVI II ESD Installation and Maintenance Manual 203 2017 Baker Hughes a GE company LLC All rights reserved Figure 93 ATO and ATC Action in Percentage of Positioner Characteristics ...

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Страница 205: ... valve supplying fuel to a combustion process is normally equipped with an Air to Open valve In other words the fuel flow is shut off if air fails Additional process precautions can be taken When the air supply recovers the setpoint to the valve must be at a value that continues to hold the valve in its safe condition or to move it to a known safe condition To do so the control system sending the ...

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Страница 207: ...provides in its calibration software the ability to automatically tune the connected valve The auto tune feature has robust tuning parameters designed to tolerate variations in process characteristics You can adjust control valve speed of response by adjusting parameters in SVI II ESD Tuning parameters are adjusted by ValVue ESD the preferred method or by the handheld ...

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Страница 209: ...on There are many types of HART actuators a positioner is a type of actuator A device of type Actuator can not be connected to a circuit intended for a device of type Transmitter Algorithm An algorithm is a procedure or formula for solving a problem There are several algorithms entailed in SVI II ESD operation SVI II ESD has a position control algo rithm that is a modified PID algorithm Other embe...

Страница 210: ...I ESD and all the resistive devices in series with it Conformity The closeness to which position approaches the theoretical position curve for example equal percentage or quick opening It is indepen dent of effects due to valve or actuator rigidity at mechanical limits of travel See Accuracy Compliance HART Manufactured and tested in accordance with Field Comm stan dards Condition Monitoring A tec...

Страница 211: ...ies used for permanent storage of data that change during operation The micro controller has EEPROM that perma nently stores changing information such as number of actuator cycles and totalized valve travel The program is stored in flash memory and can be upgraded Equal Percentage A valve characteristic designed to compensate for the loss of pres sure in a pipeline as a control valve is opened It ...

Страница 212: ...erating costs are offset by membership and training support ser vice fees Membership is open to all suppliers end users and others interested in the use of HART technology HART Filter A filter required with certain DCS systems not HART compliant It allows the 4 20 mA output signal to pass from control system to positioner but blocks HART FSK tones from passing from the field wiring to the control ...

Страница 213: ... for its members among process control users for facultative utilization NAMUR issued a recommended accessory mounting for control valves NE 14 Anschluß von Schwenkantrieben an Armaturen 06 08 96 which describes a method for mounting a positioner on an actuator See at www namur de Neodymium Iron Boron A magnet alloy which provides the highest energy magnetism avail able in a permanent magnet Non V...

Страница 214: ...or a valve position controller are between 9 and 0 Padj Valves often have significantly different response when filling versus exhausting The proportional gain is adjusted by adding Padj to P when the valve is exhausting Padj is normally less than P Position Compensation Coefficient The valve response is different when the valve is nearly closed than when it is nearly open The position compensatio...

Страница 215: ...mum based on supply pressure The position is recorded and corresponds to 100 Stroke The total range of valve travel An accumulated value of 100 travel 1 stroke The travel does not need to occur in one movement Often used as a verb to describe the process of moving the valve Tag The formal designator the control valve used in control loop docu mentation Tight Shutoff TS A positioner property that i...

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Страница 217: ...current through the SVI II AP and all the resistive devices in series with it Measuring the voltage across the SVI II AP terminals doesn t give the true available system compliance voltage as the positioner self regulates voltage as current flows through it Additionally it also doesn t confirm what system voltage is available under load conditions Therefore if compliance testing needs to be done i...

Страница 218: ...eter value until the loop current reaches 19 95 mA 7 Read the voltage across the potentiometer which should be 9 VDC This is the available system voltage at the maximum output Table 37 lists some compliance voltage readings at positioner terminals at several currents Table 37 Expected Voltage Range at Positioner Terminals Current Compliance Voltage Requirement at Positioner Terminals Expected Volt...

Страница 219: ...de only for devices that are passive i e not a HART master such as a HART to Analog converter SPA from Moore Industries Tri Loop by Rosemount Turning on Burst mode in cases where it is not required affects the communication bandwidth To see how the Burst mode is configured see the SVI II ESD online help The Burst mode can send the following commands Cmd1 PV Cmd2 range current Cmd3 Dyn vars current...

Страница 220: ...1279 Corpus Christi Texas Phone 1 361 881 8182 Fax 88 1 361 881 8246 INDIA Mumbai Phone 91 22 8354790 Fax 88 91 22 8354791 SAUDI ARABIA Phone 966 3 341 0278 Fax 88 966 3 341 7624 Deer Park Texas Phone 1 281 884 1000 Fax 88 1 281 884 1010 New Delhi Phone 91 11 2 6164175 Fax 88 91 11 5 1659635 SINGAPORE Phone 65 6861 6100 Fax 88 65 6861 7172 Houston Texas Phone 1 281 671 1640 Fax 88 1 281 671 1735 b...

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