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Hamilton Sundstrand Company Gas Fuel Metering Valve HFG2.0, User Manual

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Hamilton Sundstrand Company Gas Fuel Metering Valve HFG2.0 User Manual Download Page 2

 

This manual provides installation, maintenance, and operating instructions for the HFG2.0 
Gas Fuel Metering Valve. 

Every attempt has been made to provide sufficient information in this manual for the 
proper operation and preventive maintenance of the valve. Read this manual in its 
entirety to fully understand the system. 

Operating the HFG2.0 Gas Fuel Metering Valve in accordance with instructions herein 
ensures long term and reliable operation. 

 

If you need additional information, please contact: 

 

Precision Engine Controls Corporation 

11661 Sorrento Valley Road 

San Diego, California 92121 

(858) 792-3217 

•

 (800) 200-4404 

Fax: (858) 792-3200 

E-mail: [email protected] 

 

 

© 2006 PRECISION ENGINE CONTROLS CORPORATION. ALL RIGHTS RESERVED 

Summary of Contents for Gas Fuel Metering Valve HFG2.0

Page 1: ...User Manual HFG2 0 Gas Fuel Metering Valve SD 6009 Rev 6 August 2008 PRECISION ENGINE CONTROLS CORPORATION...

Page 2: ...is manual in its entirety to fully understand the system Operating the HFG2 0 Gas Fuel Metering Valve in accordance with instructions herein ensures long term and reliable operation If you need additi...

Page 3: ...ystem Health 45 3 8 Changing Set Up Parameters 50 4 MAINTAINING THE HFG2 0 53 4 1 Refurbishment 53 5 TROUBLESHOOTING 55 5 1 FAULT File 59 APPENDIX A DECOMMISSIONING DISPOSAL 61 APPENDIX B GLOSSARY 63...

Page 4: ...tion Flow Chart 41 Figure 3 2 HFG2 0 Actuator Position vs DEMAND 43 Figure 3 3 Dead Band of Actuator Position vs DEMAND Curve 44 LIST OF TABLES Table 1 1 Wire List for HFG2 0 Power Harness 14 Table 1...

Page 5: ...002447 XXX or Any Remanufactured Part with Config 116 and above Configuration 116 and above Firmware version 3 00 and above Third generation isolated RS 232 P Ns 5002605 XXX 5002610 XXX 5002447 XXX or...

Page 6: ...he HFG2 0 it is necessary for the user to have a fundamental understanding of Electronics concepts such as voltage current and switches Mechanical motion control concepts such as inertia torque veloci...

Page 7: ...In the event of future transportation requirements this container will minimize any damage during shipment Recommended Installation Process Users must determine if it is best to couple the HFG2 0 to t...

Page 8: ...rical noise is to Ensure that the HFG2 0 is properly grounded as per Section 1 4 of this manual Environmental Considerations The HFG2 0 operates satisfactorily with ambient air temperature of 40 C 40...

Page 9: ...rial interface Performance All performance values are based on use with HFG2 0 in default configuration Any changes to HFG2 0 firmware settings to change stroke profile will alter performance values M...

Page 10: ...Housing 3 piece 85 lbs Max Aluminum Valve Housing 1 piece 190 lbs Max Stainless Steel Valve Housing 3 piece 1 3 Mechanical Installation This section describes proper HFG2 0 installation Ensure complia...

Page 11: ...ng brackets provided by the engine manufacturer The HFG2 0 can be mounted with any directional orientation whether horizontal vertical or at an angle The clevis must be supported if the HFG2 0 is moun...

Page 12: ...mately 100 lbs The stainless steel body HFG2 0 weighs approximately 190 lbs PECC recommends using the 0 375 inch diameter clevis to lift the valve in conjunction with the appropriate lifting equipment...

Page 13: ...cision Engine Controls for other connection options Note To maintain flow control accuracy ten 10 pipe diameters 15 inches straight length minimum is recommended upstream and downstream Flange Bolts P...

Page 14: ...hrough the vent port is less than 200 cm3 hr air or N2 as test flow The vent port features a 1 8 NPT fitting See Figure 1 4 Consult local installation codes to determine whether and how to connect thi...

Page 15: ...Figure 1 4 HFG2 0 Dimensions 1 Piece Housing INSTALLING THE HFG2 0 9...

Page 16: ...10 HFG2 0 USER GUIDE Figure 1 5 HFG2 0 Mounting Orientations...

Page 17: ...Figure 1 6 HFG2 0 Mounting Provisions 3 Piece Housing Standard Mounting Orientation Shown INSTALLING THE HFG2 0 11...

Page 18: ...12 HFG2 0 USER GUIDE Figure 1 7 HFG2 0 Mounting Provisions 1 Piece Housing Standard Mounting Orientation Shown...

Page 19: ...Figure 1 8 HFG2 0 Mounting Provisions 1 Piece Housing Reversed Mounting Orientation Shown INSTALLING THE HFG2 0 13...

Page 20: ...e thread that is dedicated for the ground connection This hole has been left unpainted and uncoated to ensure a good electrical contact This threaded hole is located on the clevis end of the unit see...

Page 21: ...r Supply Figure 1 11 Typical Power Connection With Battery WARNING Shock Hazard Connect both the 120 VDC power and auxiliary wires If only the primary power wires are connected the 120 VDC auxiliary p...

Page 22: ...uous Typical Transient Typical 20 Amps 1 Amp 20 A 60 ms 10 A 600 ms 5 A 100 ms Output Capacitance 12 000 F typical Table 1 2 Power Supply Requirements The output capacitance applies for non battery po...

Page 23: ...the minimum and maximum expected operating voltages Also the output capacitance should be carefully positioned so that it is never disconnected from the HFG2 0 power input during any contact or switch...

Page 24: ...erial TX Out 20 WHITE ORANGE GREEN Serial RETURN 20 BLACK OVER TEMP Alarm 20 WHITE BLACK OVER TEMP Alarm RETURN 20 ORANGE FAULT Alarm 20 WHITE ORANGE FAULT Alarm RETURN 20 VIOLET RUN Command 20 WHITE...

Page 25: ...te For proper operation of the controller the voltage between the control inputs and the negative terminal of the power supply should be below 200 VDC Note The Serial Return is internally connected to...

Page 26: ...A They are electrically isolated up to 500 VAC from the enclosure 120 VDC power digital I O and serial interface The analog interfaces are not isolated from each other See Figure 1 14 for a typical an...

Page 27: ...ISCRETE INPUT HFG2 0 DISCRETE OUTPUT FAULT ALARM ORN OVERTEMP ALARM BLK FAULT RTN WHT ORN OVERTEMP ALARM RTN WHT BLK Figure 1 16 Typical Discrete Output Alarm Connections RS232 Serial Communications I...

Page 28: ...are not electrically isolated If the power input is floating not grounded the serial input connections may have up to 120 VDC present Property Damage Hazard DO NOT connect 24 VDC power to any of the...

Page 29: ...nduit is not used signal wires should be at least 4 6 inches from any other wires Ensure that all shielded cables are twisted conductor pairs with either a foil or braided shield PECC recommends Belde...

Page 30: ...24 HFG2 0 USER GUIDE INTENTIONALLY BLANK...

Page 31: ...racts the poppet assembly exposes fuel from the INLET port chamber to the two orifices The fuel flows through in the annulus between each poppet and fixed orifice and recombines in the OUTLET port cha...

Page 32: ...VDC nominal that is provided by the user via an integral four wire power harness Refer to Figure 1 10 or 1 11 for a typical connection Refer to the General Specification Summary Table in Section 1 2 f...

Page 33: ...signals via the integral 17 wire signal harness Refer to Figure 1 14 for typical connections Refer to the General Specification Summary Table in Section 1 2 for feedback specification values Position...

Page 34: ...28 HFG2 0 USER GUIDE Figure 2 1 HFG2 0 Electronics System Block Diagram...

Page 35: ...upting the circuit with the user s controller The default configuration for the OVERTEMP alarm is Motor OVERTEMP where the circuit will open if the temperature in two or more of the motor winding exce...

Page 36: ...assembly is the primary structural system component and supports all the bearings motor cover mountings and connectors It also provides explosion proof containment The housing is fitted with a stainl...

Page 37: ...e resolver are reeled in the resolver adapter to allow rotation The resolver wires along with the motor and thermistor leads pass through a conduit into the electronics housing Resolver Rotor The reso...

Page 38: ...bearing and spacers are all stacked on the ball screw shaft and retained by a single nut This arrangement prevents actuator axial loads from passing through the resolver rotor and motor rotor The end...

Page 39: ...o reduce the fuel exposure from the INLET port chambers to the two orifices When the actuator is fully extended the poppets seat in the orifices to close the valve See Figure 2 3 Soft Seats The orific...

Page 40: ...34 HFG2 0 USER GUIDE Figure 2 2 HFG2 0 Cut Away View Actuator Main Housing Assembly...

Page 41: ...Figure 2 3 HFG2 0 Cut Away View Partial CH 2 UNDERSTANDING THE HFG2 0 35...

Page 42: ...unit serial number Hazardous area operation certification and electrical wiring interface information is also provided When a unit is refurbished by PECC a product refurbishment plate is also attached...

Page 43: ...Figure 2 5 Typical Refurbishment Plate CH 2 UNDERSTANDING THE HFG2 0 37...

Page 44: ...38 HFG2 0 USER GUIDE INTENTIONALLY BLANK...

Page 45: ...orm an internal status check This will also happen after a RESET command has been received See the flow chart in Figure 3 1 for an overview of this process Note If the HFG2 0 receives a SET UP command...

Page 46: ...Maximum Homing Force is also specified in the Set Up parameters and has a default value of 500 lbf When the pre determined motor current limit is reached the HFG2 0 defines this valve position as Home...

Page 47: ...Figure 3 1 HFG2 0 Basic Operation Flow Chart CH 3 OPERATING THE HFG2 0 41...

Page 48: ...ode for the HFG2 0 The actuator firmware program will remain in this state as long as the demand is greater than 4 1 mA Note If RUN command is removed or position DEMAND 2 mA the actuator will go to t...

Page 49: ...a retraction Interpolation of DEMAND Signal Linear interpolation of the DEMAND signal in the range between 4 mA and 20 mA is the default condition as specified in the Set Up parameters With linear int...

Page 50: ...uses the HFG2 0 to stop all other operations but the actual resetting of the HFG2 0 does not begin until RESET is returned to its OFF state The RESET command causes the HFG2 0 to reset all internal po...

Page 51: ...120 VDC power shuts down the HFG2 0 valve Toggling the RESET command will clear the alarms FAULT Alarm The configuration of faults assigned to the FAULT alarm is programmable in the most recent genera...

Page 52: ...The fault file will provide fault information and possible causes The HFG2 0 must be in the Power Up Set Up state to download the fault file See Section 3 8 for details about the Power Up Set Up stat...

Page 53: ...es N A No Yes EEPROM Write N A N A Yes N A No Yes Table 3 1 Default Configuration For FAULT Alarm Fault Type Low Alarm High Alarm Fault Enable Persist Time Shut Down Output Driver Overcurrent N A 1000...

Page 54: ...by watchdog timer timeout or illegal address attempt Fault RDC Failure 1 Sec Tests hardware for RDC failure sets Fault if RDC failure bit set Retract Extended Command N A Fault not used Unregulated V...

Page 55: ...FG2 0 will shutdown if Any two motor winding temperatures exceed 135 C for ten 10 seconds or more 130 C for 60 seconds The electronics temperature exceeds 115 C for 10 seconds or more 100 C for 15 sec...

Page 56: ...ftware See the ActWiz Software Manual for further details Power Up Set Up State The HFG2 0 is in Power Up Set Up state immediately after the HFG2 0 has been powered up or reset This is after the syste...

Page 57: ...interpolated between defined points Linear Position Loop Constant 63 Current Loop PID Constants Proportional 2 0 Integral 200 Derivative 0 Velocity Loop PID Constants Proportional 30 Integral 3 000 D...

Page 58: ...52 HFG2 0 USER GUIDE INTENTIONALLY BLANK...

Page 59: ...ss actuator to valve alignment or actuator to load alignment any damage to housing or mounting hardware any damage to power and signal harnesses parts that are worn loose or shifted due to shock vibra...

Page 60: ...54 HFG2 0 USER GUIDE INTENTIONALLY BLANK...

Page 61: ...ve problems noted during operation or maintenance as soon as possible The causes of many problems can be traced through the information contained in the block diagram shown in Section 2 CAUTION Contin...

Page 62: ...nt at valve Valve does not hold consistent position oscillates or dithers Varying fuel demand signal No or low 120 VDC power Ensure stable fuel demand at the actuator Ensure 120 VDC at valve No valve...

Page 63: ...d Fault File to identify source of fault Clear indicated fault OVER TEMP alarm Ambient temperature limit exceeded Electronics or motor winding temperature out of range Allow actuator to cool and re st...

Page 64: ...RESET GRY and WHT GRY 4 7 K POWER RED and GREEN High Impedance but not open circuit MOTOR CURRENT BLU and WHT BLU High Impedance POSITION YEL and WHT YEL High Impedance FAULT Alarm ORN and WHT ORN Hi...

Page 65: ...own to troubleshoot the failure Removing 120 VDC power shuts down the HFG2 0 Toggling the RESET command will clear the fault but it does NOT clear the fault file Note The fault file only records the p...

Page 66: ...ect an internal tracking error a signal is sent to the MCE Upon receipt the MCE signals a fault This fault does not clear without RESET command Unregulated Voltage Low The MCE signals a fault if the r...

Page 67: ...lockout tagout procedures and verify no live electrical circuits Disconnect the 4 wires of the integral power harness to the HFG2 0 Disconnect the 17 wires of the integral signal harness to the HFG2...

Page 68: ...62 HFG2 0 USER GUIDE INTENTIONALLY BLANK...

Page 69: ...unicates an internal over temperature electronics or motor The user s controller will see an open circuit when the OVERTEMP alarm is active HOME A mechanical rigid stop from which the HFG2 0 calculate...

Page 70: ...INTENTIONALLY BLANK 64 HFG2 0 USER GUIDE...

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