Bailey Infi 90 IMHSS02 Instruction Download Page 46 | Manualshive

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TROUBLESHOOTING

ON-LINE FAILURE

6 - 4

I-E96-315B

®

Figure 6-1. Off-Line Failure Troubleshooting Flowchart

(Page 3 of 3)

HSS

OPERATING?

YES

NO

DONE

TU

DIPSHUNTS

SET?

TERMINAL

CONNECTIONS

CORRECT?

NO

NO

HSS

OPERATING?

YES

NO

HSS

OPERATING?

YES

NO

YES

YES

CORRECTLY

INSTALL

DIPSHUNTS

CONNECT FIELD

WIRING TO TU

TERMINALS

TP25256A

A2

B2

SERVO VALVE

INSTALLED

PROPERLY?

LVDT,

ACTUATOR
INSTALLED

PROPERLY?

NO

NO

YES

YES

CHECK SERVO

VALVE AND CABLE

INSTALLATION

CHECK ACTUATOR

AND LVDT

INSTALLATION

AND CABLE

CONTACT BAILEY

TECHNICAL

SUPPORT

REPLACE HSS

MODULE

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Summary of Contents for Infi 90 IMHSS02

Page 1: ...Process Control and Automation Solutions from Elsag Bailey Group E96 315 Hydraulic Servo Slave Module IMHSS02...

Page 2: ...UIPEMENTS LECTRONIQUES SONT SENSIBLES AUX PERTURBATIONS PAR FR QUENCE RADIO DES PR CAUTIONS DEVRONT TRE PRISES LORS DE L UTILISATION DU MAT RIEL DE COMMUNICATION PORTATIF LA PRUDENCE EXIGE QUE LES PR...

Page 3: ...sure the turbine speed The FCS measures turbine speed by counting and timing pulses from a magnetic pickup on the tur bine shaft The controller or processor module uses this count to calculate turbine...

Page 4: ...1 through 5 3 Original 6 1 through 6 9 Original 7 1 through 7 1 Original 8 1 through 8 1 Original A 1 through A 2 Original B 1 through B 3 Original C 1 through C 2 Original Index 1 through Index 3 Ori...

Page 5: ...en servicing Special Handling This module uses Electrostatic Sensitive Devices ESD SPECIFIC CAUTIONS Only qualified personnel should install the throttle valve hydraulic actuator servo valve and linea...

Page 6: ...n Ce module contient des composantes sensibles aux decharges electro statiques ATTENTIONS D ORDRE SP CIFIQUE Seul le personnel qualifie doit installer la soupape modulatrice l actioneur hydraulique la...

Page 7: ...6 MICROCONTROLLER 2 6 POSITION DEMAND AND OUTPUT 2 6 Digital to Analog Converter 2 7 Position Error 2 7 Servo Amplifier 2 7 Dither Oscillator 2 7 POSITION FEEDBACK 2 7 Demodulator 2 7 Sample Hold Cir...

Page 8: ...MAL OPERATION 5 1 MANUAL OPERATION 5 2 Emergency Manual Mode 5 2 Emergency Trip 5 3 SECTION 6 TROUBLESHOOTING 6 1 INTRODUCTION 6 1 HOW TO USE THIS SECTION 6 1 OFF LINE FAILURE 6 1 ON LINE FAILURE 6 2...

Page 9: ...n on the NIDI01 C 1 C 2 I O Signal Terminal Assignments for the HSS C 2 C 3 HSS to NIDI01 Termination Cable Connection C 2 List of Tables No Title Page 3 1 Slave Expander Bus Address Example Settings...

Page 10: ...with on board microproces sor memory and communication circuitry The module con sists of a printed circuit card attached to a faceplate Two status LEDs are visible through the faceplate The HSS occu p...

Page 11: ...l specifications Description and Operation This section uses block diagrams schematics and text to explain module operation Figure 1 1 The HSS within the INFI 90 Hierarchy INFI NET CONTROLWAY SLAVE EX...

Page 12: ...ce procedures Support Services This section explains the services and training that Bailey Con trols makes available to their customers Appendices There are three appendices that provide a quick refer...

Page 13: ...nsfer information between intelligent modules within a process control unit CTM Configuration and Tuning Module Provides a local means for system config uration tuning and monitoring of intelligent ma...

Page 14: ...tion Processor Module A multiple loop controller with data acqui sition and information processing capabilities Module Bus Peer to peer communication link used to transfer information between intelli...

Page 15: ...ler Module IMMFC05 I E96 314 Frequency Counter Slave Module IMFCS01 I E96 410 Digital Input Termination Module NIDI01 I E96 424 Digital Input Termination Unit NTDI01 TP89 2 Analog Control Techniques a...

Page 16: ...On Vout 2 4 VDC maximum Iout 250 mA maximum Off Vout 24 VDC nominal Iout 10 uA maximum Three optically isolated contact inputs On Vin 10 VDC minimum Iin 4 5 mA forward current typical at Vin 24 VDC Of...

Page 17: ...ander bus to the HSS An on board microcontroller reads the demand and loads it into a digital to analog converter DAC The resulting analog value drives the servo valve The servo valve loads hydraulic...

Page 18: ...Counter Slave The FCS detects turbine speed by counting pulses it receives from a magnetic pickup on the turbine shaft Additionally it keeps a 24 bit timer value corresponding to the period of the pu...

Page 19: ...The user sets the turbine speed limits and high low speed alarms during configuration of the MFP and slave modules Additionally the user calibrates the hydraulic actuator and LVDT The MFP sends data...

Page 20: ...A frequency selectable 1 2 5 or 10 kilo hertz oscillator supplies the excitation voltage for the LVDT primary The digital I O circuitry provides isolated DC inputs that allows the operator to control...

Page 21: ...des every data transfer The slave expander bus integrated circuit does an address comparison before allowing data to transfer on the slave expander bus If the addresses match the MFP can strobe data t...

Page 22: ...contacts the user connects to 24 VDC giving the operator a way to initiate control of the hydraulic actuator in the event the MFP communications are lost By activating the raise or lower contacts the...

Page 23: ...coils Servo valve operation requires only one functioning coil One output can short to ground or open without affecting the other servo drive output If one servo drive output fails the other output i...

Page 24: ...tal value The position feedback passes from the ADC converter to the data buffers to the microcontroller to the slave expander bus and finally to the MFP LVDT OSCILLATOR The LVDT oscillator frequency...

Page 25: ...ts Trip bias is the third digital input The trip bias input signal is sent to the position error circuit See Figure 2 3 Acti vating the trip bias input drives the actuator to the 0 percent position fu...

Page 26: ...ectrostatic discharge Special Handling The slave uses electrostatic sensitive ESD devices Follow these handling procedures 1 Keep the module in the special antistatic bag until you are ready to instal...

Page 27: ...rews 3 Connect the wiring from the servo valve linear variable dif ferential transformer and digital I O to the termination unit 4 Connect the hooded end of the NKTU01 12 cable to the rear of the modu...

Page 28: ...e application dependent The information in this section covers the switch settings needed for initial instal lation Complete the steps in this part of the installation proce dure to prepare the module...

Page 29: ...le 8 on S2 gain of 1 10 Table 3 1 Slave Expander Bus Address Example Settings Example Settings Example Address Switch Position 1 2 3 4 5 6 7 8 Binary Value 128 64 32 16 8 4 2 1 15 0 0 0 0 1 1 1 1 32 0...

Page 30: ...y Table 3 2 S2 Controller Gain Close Switch For a Gain of User Setting 1 20 50 2 18 25 3 15 05 4 13 10 5 10 00 6 5 00 7 2 01 8 1 10 NOTE Closing a switch position will select the corresponding gain Cl...

Page 31: ...rimary excitation voltage Set the amplitude of the LVDT primary excitation voltage to the value the manufacturer recommends To set the LVDT excitation voltage 1 Refer to the LVDT specifications for th...

Page 32: ...r variable differential transformer primary excitation voltage frequency Set the LVDT oscillator frequency to the frequency specified by the manufacturer To set the LVDT oscillator frequency 1 Refer t...

Page 33: ...s on the faceplate a half turn until the module locks in place CONFIGURATION To work with the HSS the MFP or MFC must have function code 150 in its configuration To configure the processor or controll...

Page 34: ...Verify that the following conditions exist a The valve for turbine hydraulic system must be in the controlling position and functioning properly b The controller or processor module has function code...

Page 35: ...ary adjustments to the servo valve and the LVDT position to adjust the actuator to its mechanical null position For maximum LVDT linearity the LVDTs null point should occur at the actuators mid travel...

Page 36: ...nce 2 Lag time inherent in a closed loop feedback control sys tem Response time and system stability are the primary concerns in determining the controller gain The objective of analog con trol tuning...

Page 37: ...two meters away from the cabinet and the cabinet doors closed Before tuning the controller gain verify that the following con ditions exist 1 Calibration of the HSS hydraulic actuator and LVDT is comp...

Page 38: ...k valve operation at each demand level The controller gain is set when you reach this point and have smooth valve operation 5 Record the date time gain setting and the names of the personnel tuning th...

Page 39: ...CALIBRATION ON LINE CALIBRATION 4 6 I E96 315B Table 4 1 Controller Tuning Log Date Time Gain Setting Names of Personnel...

Page 40: ...d personnel should perform plant start up and operation The following steps explain HSS start up and opera tion 1 Start the turbine following the plant start up procedure 2 Enter a turbine speed deman...

Page 41: ...he module status using the faceplate LEDs Figure 5 1 shows the LED locations on the module faceplate To manually position the throttle valve 1 Monitor the turbine speed or load through the operator in...

Page 42: ...causes the HSS to exit the emergency manual mode The MFP resumes automatic operation from the valve position held during manual operation Emergency Trip Emergency trip provides failsafe operation of...

Page 43: ...teps of the troubleshooting pro cedure The second part covers failures during operation If the failure occurs during operation go to ON LINE FAILURE and the steps of the troubleshooting procedure NOTE...

Page 44: ...istance ON LINE FAILURE This part of the troubleshooting section covers on line failures and how to troubleshoot them On line failures are those that occur during the course of normal operation Figure...

Page 45: ...ete list of LED states refer to Table 5 1 Figure 6 1 Off Line Failure Troubleshooting Flowchart Page 2 of 3 HSS OPERATING TP25255A EXPANDER BUS DIPSHUNT CORRECT HSS SWITCH SETTINGS CORRECT HSS OPERATI...

Page 46: ...ECTIONS CORRECT NO NO HSS OPERATING YES NO HSS OPERATING YES NO YES YES CORRECTLY INSTALL DIPSHUNTS CONNECT FIELD WIRING TO TU TERMINALS TP25256A A2 B2 SERVO VALVE INSTALLED PROPERLY LVDT ACTUATOR INS...

Page 47: ...on the ter mination unit or P3 on the termination module 5 Check the dipshunt settings on the termination unit or the jumper settings on the termination module Refer to Appendix B or Appendix C for H...

Page 48: ...ntinuity of the connecting cable 6 If the connecting cables are open or show an unusually high impedance replace the cables 7 If the cable continuity is good and there is no LVDT excitation check the...

Page 49: ...le 6 3 for corrective action 3 If the HSS module continues to fail after completing steps 1 and 2 replace the module 4 If replacing the module does not correct the problem con tact Bailey Controls for...

Page 50: ...ng Flowchart START DONE MACHINE FAULT TIMER TIMEOUT LOSS OF POWER HSS OPERATING HSS OPERATING SYSTEM POWER CHECKS GOOD YES NO NO YES YES YES NO NO NO YES CHECK SYSTEM POWER REPLACE MODULE CONTACT BAIL...

Page 51: ...tion procedure Loss of power Status Blank Emerg Man Off Remove the slave and check the system Refer to Section 5 of the Modular Power System Instruction for the system power troubleshooting procedure...

Page 52: ...intervals REPAIR REPLACEMENT PROCEDURES The hydraulic servo slave is designed for long troublefree ser vice There are no parts on the HSS that the user can service If a failure occurs refer to Sectio...

Page 53: ...tings of the assembly containing the ordered part 3 Bailey Controls publication number and reference used in identifying the part When ordering standard parts from Bailey Controls use the part number...

Page 54: ...Edge Connector P2 Slave Expander Bus Pin Assignments Pin Signal Pin Signal 1 3 5 Data Bit 1 Data Bit 3 Data Bit 5 2 4 6 Data Bit 0 Data Bit 2 Data Bit 4 7 9 11 Data Bit 7 Bus Clock Unused 8 10 12 Dat...

Page 55: ...1 12 13 14 15 LVDT Secondary 2_2 Simulation Mode COM Lower N C Emerg Manual Common M N P R S LVDT Secondary 2_1 Simulation Mode OUT Lower_P N C Emergency Manual Table A 3 Edge Connector P3 Process Int...

Page 56: ...e NTDI01 circuit board Table B 1 shows how to strap the dip shunt strapping to configure your application Figure B 2 shows the terminal assignment and polarity for each of the I O signals Refer to thi...

Page 57: ...1 Drive Servo 2 Drive Digital Inputs Lower Raise and Trip Bias 24 VDC Field Powered Contacts System Powered from E1 24 VDC System Powered from E2 24 VDC Digital Outputs Emergency Manual 24 VDC Field P...

Page 58: ...ction TERMINAL NUMBER TB4 TB2 TB1 TB3 DIPSHUNT USED XU13 XU14 SERVO 2 OUTPUT EMER MAN OUTPUT TP27179A TRIP BIAS INPUT SERVO 1 OUTPUT LOWER INPUT LVDT PRI DRV OUT LVDT SEC 1 INPUT LVDT SEC 2 INPUT SIM...

Page 59: ...Figure C 1 shows the jumper settings and their location on the NIDI01 circuit board As shown in Figure C 1 jumpers 1 through 9 remain intact shorted jumper 10 is open Figure C 2 shows the terminal ass...

Page 60: ...Terminal Assignments for the HSS 2 2 1 1 TP25314A NOT USED NOT USED NOT USED TRIP BIAS RAISE NOT USED SERVO 2 SERVO 1 NOT USED LOWER SIM MODE LVDT SEC 2 LVDT PRI DRV LVDT SEC 1 NOT USED EMER MAN Figur...

Page 61: ...FTP 1 4 Function Code 1 5 Function Code Configuration 3 8 G Glossary of Terms and Abbreviations 1 4 H Handling Circuitry 3 1 6 1 Hydraulic Actuator 1 5 2 1 Calibration 4 1 Operation 2 1 Hydraulic Serv...

Page 62: ...ition Feedback 2 7 Q Quick Reference Material A 1 R Reference Documents 1 6 Replacement Parts 8 1 S Sample Hold Circuit 2 8 Servo Amplifier 2 7 Slave Expander Bus 1 5 Slave Expander Bus Interface 2 5...

Page 63: ...tion B 1 Throttle Valve 2 1 TM 1 5 TMU 1 5 Training 8 1 Troubleshooting 6 1 Flowchart 6 8 Module Failure 6 3 Off line Failure 6 1 On line Failure 6 1 6 2 6 7 TU 1 5 Tuning 4 4 Controller Gain 4 4 Func...

Page 64: ...8756 ASIA PACIFIC 152 Beach Road Gateway East 20 04 Singapore 189721 Telephone 65 391 0800 Telefax 65 292 9011 EUROPE AFRICA MIDDLE EAST Via Puccini 2 16154 Genoa Italy Telephone 39 10 6582 943 Telefa...

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