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Appendix I • Glossary

I-8

Rev. 6, March 2011

Part 17997

protection against corrosion, windblown dust and rain, splashing water, hose directed
water, and damage from external ice formation.

Network

: Group of interrelated or interconnected nodes

: Normally Open

NPT

: National Pipe Thread (United States)

Null Modem

: A special connection between two computers that makes them think they are

hooked up to a modem, so that the two computers can communicate with each other

: Oxygen

Oil Sample

: Small quantity of oil, representative of the oil contained in the transformer

: Personal Computer, a computer typically based on an Intel microprocessor and capable

of receiving network cards, modems, data acquisition boards, etc.

PCB

: Printed Circuit Board

PDF

: Portable Document Format

PLC

: Programmable Logic Controller

P/N

: Part Number

POT

: POTentiometer

ppm

: Part Per Million, representing the concentration of a gas in transformer oil

PVC

: PolyVinyl Chloride, a plastic used for cable insulation

PWM

: Pulse Width Modulation

RAM

: Random Access Memory, a semiconductor-based memory that can be read and

written by the microprocessor or other digital hardware devices

Range

: A continuous band of signal values that can be measured or sourced. In bipolar

instruments, the range includes positive and negative values.

Summary of Contents for Hydran 201i

Page 1: ...GE Energy Services Digital Energy Hydran Instruction Manual 201i System ...

Page 2: ...iptions or software listings that disclose source code are for information purposes only Reproduction in whole or in part to create working hardware or software for other than General Electric Canada products is strictly prohibited except as permitted by written license agreement with General Electric Canada TRADEMARK NOTICES Trademarks or registered trademarks of General Electric Company and or G...

Page 3: ...t ou au Hydran 201i et pourrait entraîner des dommages à la propriété des blessures corporelles et ou la mort L installation et l entretien du Hydran 201i doivent être effectués par du personnel qualifié seulement Pour une distance maximale de 15 m 50 pi de la source d alimentation utiliser un câble de 14 AWG 2 08 mm2 et une protection maximale de 15 A contre les surintensités ES in Spanish ADVERT...

Page 4: ...ne dallo stesso manuale potrebbe causare danni irreversibili al trasformatore sotto monitoraggio e o all Hydran 201i e potrebbe causare danni alla proprietà lesioni personali e o alla morte L installazione e la manutenzione del Hydran 201i devono essere eseguite solo ed esclusivamente da personale qualificato A una distanza massima di 15 m dalla fonte di energia usare un cavo 14 AWG 2 08 mm2 e una...

Page 5: ...f Hydran 201i components The components of the Hydran 201i System are described in Section 1 2 on page 1 2 To help the reader a Table of Contents a List of Figures and a List of Tables are present at the beginning of the manual along with a Glossary in Appendix I at the end of the manual This Hydran 201i System Instruction Manual is included in PDF format in the folder English Manuals of the Hydra...

Page 6: ...Instruction Manual vi Rev 6 March 2011 Part 17997 PAGE LEFT INTENTIONALLY BLANK ...

Page 7: ...this manual are labeled Rev 6 March 2011 since they all have been modified during this general revision Issue dates of this manual are Original Rev 1 December 2007 Revision 2 February 2008 Revision 3 December 2008 Revision 4 January 2010 Revision 5 November 2010 Revision 6 March 2011 ...

Page 8: ...Instruction Manual viii Rev 6 March 2011 Part 17997 PAGE LEFT INTENTIONALLY BLANK ...

Page 9: ...he Buyer may request and General Electric Canada shall then furnish monthly status reports to the Buyer regarding the progress of General Electric Canada s efforts to correct such functional deficiencies If Products covered by this manual do not meet the above warranties during the applicable Warranty Period the Buyer shall promptly notify General Electric Canada in writing but not later than 30 d...

Page 10: ...ords of operation and maintenance during the applicable Warranty Period These records shall be kept in the form of log sheets and copies shall be submitted to General Electric Canada upon its request in connection with a warranty claim by the Buyer General Electric Canada does not warrant any products or services of others designated by the Buyer where such products or services are not normally su...

Page 11: ...an 201Ci 1 One Channel Controller 1 4 1 2 4 Hydran Host Software 1 5 1 3 Networking and Communication Capabilities 1 6 1 4 Vocabulary and Abbreviations Used to Describe the Hydran 201i System 1 7 1 5 Accessories 1 8 1 5 1 Hydran 201TW Tube Wrench 1 8 1 5 2 Vibration Absorbing Rubber Pads 1 8 Chapter 2 Hydran 201Ti Intelligent Transmitter 2 1 Features 2 1 2 2 Enclosure 2 2 2 3 External Components 2...

Page 12: ... 3 4 3 1 4 Additional Information 3 7 3 2 Hydran 201Ci 1 One Channel Controller 3 7 3 2 1 Features 3 7 3 2 2 Description of the Major Components 3 9 3 2 3 Description of the Circuit Board 3 10 3 2 4 Additional Information 3 15 Chapter 4 Hydran 201Ti s Displays and Menus 4 1 User Interface 4 1 4 2 User Interface Operating Modes 4 3 4 2 1 Unacknowledged Alarms Mode 4 3 4 2 2 Main Display Mode 4 4 4 ...

Page 13: ...ature Submenu 4 17 4 5 4 Service Submenu 4 18 4 5 4 1 SensorCal Data 4 18 4 5 4 2 ForceSensor Test 4 19 4 5 4 3 Battery 4 20 4 5 4 4 ServiceData 4 20 4 5 5 Date Time Submenu Extended Menu Only 4 21 4 5 6 Communication Submenu Extended Menu Only 4 21 4 5 6 1 CommChannel and DefaultChannel 4 21 4 5 6 2 CommMode 4 22 4 5 6 3 BaudRate 4 22 4 5 6 4 Force HostCall 4 22 4 5 6 5 H201Ti ID and PowerStat ID...

Page 14: ...6 6 2 1 Preparation 6 6 6 2 2 Initial Observations 6 7 6 2 3 Adjusting the Date and Time 6 8 6 2 4 Verifying the Alarm Relays 6 9 6 2 4 1 Gas High Alarm 6 9 6 2 4 2 Gas High High Alarm 6 10 6 2 4 3 Fail Alarm 6 10 6 2 4 4 Cancelling the Fail Alarm 6 11 6 2 4 5 Cancelling the Gas Alarms 6 11 6 2 4 6 Conclusion 6 12 6 2 5 Verifying the Backup Battery 6 12 6 2 6 Sensor Serial Number Verification and ...

Page 15: ...ers 6 31 6 4 3 Verifying and Setting Gas and Trend Alarm Parameters 6 31 6 4 4 Resetting the Hourly Trend Daily Trend and Period B 6 32 6 4 5 Verifying and Setting the Temperature Parameters of the Hydran 201 Sensor 6 32 6 4 6 Verifying the Hydran 201 Sensor and Its Parameters 6 33 6 4 7 Verifying and Setting the Battery Alarm Parameters 6 33 6 4 8 Logging the Values of the Service Data 6 34 6 4 9...

Page 16: ...Hydran 201Ci 1 Installation 8 1 Incoming Inspection and Verification 8 1 8 1 1 Receiving and Unpacking 8 1 8 1 2 Inspecting 8 1 8 1 3 Storage 8 2 8 2 Verification of Operation Prior to Installation 8 2 8 2 1 Preparation 8 3 8 2 2 Initial Observations 8 3 8 2 3 Verifying the Analog Output 8 4 8 2 4 Verifying the Alarm Indicators and Relays 8 6 8 2 4 1 Gas High Alarm 8 6 8 2 4 2 Gas High High Alarm ...

Page 17: ... RS 232 Serial Communication Link 9 5 9 3 1 Local Communications 9 6 9 3 2 Remote Communications via Modem 9 6 9 4 Communication Protocol 9 8 9 5 Local Network Installation 9 8 9 5 1 Installing an RS 485 Local Network Link Between Hydran 201Ci Controllers 9 9 9 5 2 Connecting a Host Computer to a Hydran 201Ci Controller in a Local Network Using an RS 232 Cable 9 10 9 5 3 Verifying RS 232 and RS 48...

Page 18: ...Fault Triggers 10 15 10 5 2 2 Sensor Temperature Fault Triggers 10 16 10 5 2 3 Battery Voltage Fault Triggers 10 16 10 5 2 4 Sensor Operation and Connections Fault Triggers 10 17 10 5 3 Fail Alarm Cancellation 10 17 Chapter 11 Operating the Hydran 201i System 11 1 Operating Methods 11 1 11 1 1 Periodic Visual Monitoring 11 1 11 1 1 1 Method Drawbacks 11 2 11 1 2 Alarm Monitoring 11 2 11 1 2 1 Meth...

Page 19: ...2 1 21 SensTemp HH 12 12 12 1 22 SensTemp L 12 13 12 1 23 SensTemp LL 12 13 12 1 24 Setup Lost 12 13 12 2 RS 232 and or RS 485 Communications 12 14 12 2 1 No Communication When the Host Computer is Connected Directly or by Modem to the Hydran 201Ti s DB 9 Connector 12 14 12 2 2 No Communication When the Host Computer is Connected Directly or by Modem to the Hydran 201Ci Controller s DB 9 or USB Co...

Page 20: ...ix A Technical Specifications for the Hydran 201i System A 1 Hydran 201Ti Intelligent Transmitter A 1 A 2 Hydran 201Ci C Communications Controller A 4 A 3 Hydran 201Ci 1 One Channel Controller A 6 Appendix B Mechanical Drawings B 1 Hydran 201Ti Intelligent Transmitter B 1 B 2 Hydran 201Ci C Communications Controller B 5 B 3 Hydran 201Ci 1 One Channel Controller B 6 Appendix C Functional Block Diag...

Page 21: ...pendix E Hydran 201Ti s History File Messages Appendix F Default Values of the Parameters Appendix G Unit Conversions G 1 Converting Current to Voltage G 1 G 2 Converting ppm to mA or Vice Versa G 1 Appendix H Extracting an Oil Sample Appendix I Glossary ...

Page 22: ...Instruction Manual xxii Rev 6 March 2011 Part 17997 PAGE LEFT INTENTIONALLY BLANK ...

Page 23: ...he Hydran 201Ci C 3 3 Figure 3 3 Circuit Board of the Hydran 201Ci C 3 5 Figure 3 4 Hydran 201R Model i 3 8 Figure 3 5 External View of the Hydran 201Ci 1 3 9 Figure 3 6 Internal View of the Hydran 201Ci 1 3 11 Figure 3 7 Circuit Board of the Hydran 201Ci 1 3 12 Figure 4 1 Hydran 201Ti s User Interface 4 2 Figure 4 2 Hydran 201Ti s Keypad 4 8 Figure 5 1 H201Ti s Serial Number and Protective Cap 5 ...

Page 24: ...ical Communication Configuration With a Modem 9 7 Figure B 1 Hydran 201Ti Dimensions B 1 Figure B 2 Hydran 201 Sensor B 1 Figure B 3 1 5 In Adaptor B 2 Figure B 4 1 In Adaptor B 3 Figure B 5 2 In Adaptor B 4 Figure B 6 Finned High Temperature Adaptor B 4 Figure B 7 Hydran 201Ci C Dimensions B 5 Figure B 8 Hydran 201Ci 1 Dimensions B 6 Figure C 1 Functional Block Diagram for the Hydran 201Ti C 1 Fi...

Page 25: ... H201Ci 1 9 3 Table 9 2 Wiring for Serial Cables 9 10 Table 10 1 Alarm Conditions Monitored by the Hydran 201Ti 10 3 Table 10 2 Possible States of the Alarm Contacts 10 5 Table 10 3 Possible States of the Hydran 201Ci 1 s Display and Alarm Indicators 10 8 Table 10 4 Suggested Guidelines for Setting the Gas Level High Alarm Condition 10 10 Table 10 5 Evolution of the Hourly Trend 10 12 Table 10 6 E...

Page 26: ...able D 7 DB 9 Male RS 232 Connector Back of CPU Module D 4 Table D 8 Main Terminal Block for the Hydran 201Ci C D 5 Table D 9 SW1 Voltage Selector for the Hydran 201Ci C D 7 Table D 10 J10 DB 9 Male RS 232 Connector for the Hydran 201Ci C D 8 Table D 11 Main Terminal Block for the Hydran 201Ci 1 D 8 Table D 12 SW1 Voltage Selector for the Hydran 201Ci 1 D 11 Table D 13 J10 DB 9 Male RS 232 Connect...

Page 27: ...r outdoor operation An extremely high immunity to electrical surges radio frequency interferences and electrostatic discharges Besides these essential characteristics the Hydran 201Ti intelligent dissolved gas monitor enjoys the benefits of full digital processing and is equipped with the following additional high value features Adjustable hourly and daily gas trend computation ppm change during t...

Page 28: ...tation or remotely through a telephone line and modem 1 2 COMPONENTS OF THE HYDRAN 201I SYSTEM 1 2 1 Hydran 201Ti Intelligent Transmitter The Hydran 201Ti Intelligent Transmitter Figure 1 1 on page 1 3 is the foundation upon which the Hydran 201i System is built It consists of a small cylindrical enclosure which attaches directly to a transformer valve using a brass adaptor This enclosure contains...

Page 29: ...dran 201Ti Intelligent Transmitters through the isolated supervisory link typically a transformer bank A B C and sometimes an auxiliary The Hydran 201Ci C does not have a display nor does it provide alarm or analog outputs It is meant specifically to interface with a network of H201Ti Intelligent Transmitters to a computer via an RS 232 RS 485 or USB link or an optional modem Figure 1 1 Hydran 201...

Page 30: ...to H201Ti Intelligent Transmitters four connectors and RS 485 to other H201Ci Controllers The H201Ci C is described in detail in Section 3 1 on page 3 1 1 2 3 Hydran 201Ci 1 One Channel Controller The Hydran 201Ci 1 Figure 1 3 on page 1 5 is a full one channel controller When used with the Hydran 201Ti Intelligent Transmitter the combination is called a Hydran 201R Model i see the picture on the f...

Page 31: ... 485 to other Hydran 201Ci Controllers A large LED digital display shows the gas concentration in ppm Two gas alarm indicators are mounted on the front door The H201Ci 1 is described in detail in Section 3 2 on page 3 7 1 2 4 Hydran Host Software General Electric Canada s Hydran Host software provides a simple interface between one or more Hydran 201Ti Intelligent Transmitters and an IBM PC or com...

Page 32: ...isolated to a level of 2 000 V RMS both at the H201Ti end and at the H201Ci end Individual transmitters can be wired directly to their group controller if the total cable length does not exceed 1 200 m 4 000 ft The supervisory links and the RS 485 LAN are electrically isolated and all H201Ci s on a network share a single reference ground The H201Ci s are networked together in a daisy chain fashion...

Page 33: ...l combinations for the detection and monitoring of failure conditions in oil filled electrical equipment The following vocabulary and abbrevi ations are used to describe the main components of this system Hydran 201Ti Intelligent Transmitter The basic building block includes the sensor can be used in full stand alone mode Can be abbreviated as follows H201Ti Intelligent Transmitter H201Ti Transmit...

Page 34: ...1i System They may be ordered from General Electric Canada with any of the Hydran 201i System components or separately 1 5 1 Hydran 201TW Tube Wrench The Hydran 201TW Tube Wrench Figure 1 4 on page 1 8 is required to properly install the Hydran 201 sensor One Tube Wrench per site is recommended 1 5 2 Vibration Absorbing Rubber Pads If vibrations are present these rubber pads which can be purchased...

Page 35: ...Accessories Part 17997 Rev 6 March 2011 1 9 Figure 1 5 Vibration Absorbing Rubber Pads Vibration absorbing rubber pads H201Ci Controller ...

Page 36: ...Chapter 1 Introduction 1 10 Rev 6 March 2011 Part 17997 PAGE LEFT INTENTIONALLY BLANK ...

Page 37: ...LCD to use the H201Ti without a host computer Provides the following on line information Level of dissolved gases in oil Hourly trend gas level variation during a period of time measured in hours Daily trend gas level variation during a period of time measured in days Alarm messages Three alarms Two gas alarms High and High High levels are adjustable triggered by the gas level and the hourly and d...

Page 38: ...1 3 is 186 mm 7 3 in in diameter by 180 mm 7 125 in in length for details see Figure B 1 on page B 1 It serves three functions To provide mechanical and weather protections for the Hydran 201 sensor and the H201Ti s electronic circuits To maintain the H201 sensor and the H201Ti electronics between 25 and 50 C 77 and 122 F under extreme ambient and oil temperatures Using the dynamic oil sampling sy...

Page 39: ...the temperature of the sensor and electronics between 25 and 50 C 77 and 122 F regardless of the ambient or oil temperature The H201Ti controls the power input to the heating plate The cover is easily removed for access to the H201 sensor and its oil sampling port Figure 2 1 Hydran 201Ti s Enclosure Mounted on a Valve Hydran 201T i ...

Page 40: ... 7 7 Connection box See item 2 on page 2 2 2 4 1 Brass Adaptor The Hydran 201Ti and the Hydran 201 sensor mount onto the valve of the transformer or other electrical equipment using a flanged brass adaptor item 1 in Figure 2 2 on page 2 5 This adaptor has male threads at one end that screw directly onto the transformer valve and female threads at the other end to which the sensor is screwed The he...

Page 41: ...thermistor are mounted on the heating plate item 2 in Figure 2 2 on page 2 5 The power input to the heating plate is controlled by the Hydran 201Ti and the aluminum cover item 3 in Figure 2 1 on page 2 3 acts as a heat radiator This allows the enclosure to maintain the temperature of the Hydran 201 sensor and electronics between 25 and 50 C 77 and 122 F regardless of the ambient or oil temperature...

Page 42: ... for Dissolved Gas Analysis DGA The sampling port fits the Luer stopcock valve of a syringe this port is also used for purging during the installation A thermistor is incorporated in the sensor s body to measure its temperature and using mathematical computations compensate the effect of the temperature on the detector s signal CAUTION WARNING Mishandling of the H201 sensor such as a perforation o...

Page 43: ...aced very easily On the back side of the CPU module a surge protected DB 9 male connector supports an RS 232 communication port and a 36 pin connector mates with the I O module A six key membrane keypad and a liquid crystal display LCD consisting of two lines of 16 characters are located on the front of the CPU module Their operation and the menu system are explained in Chapter 4 2 4 5 DB 9 Male C...

Page 44: ...components 8 ac Power 3 Terminal Block in Figure 2 4 on page 2 8 The terminal has a 300 V rating and accepts 22 14 AWG wires 2 5 mm2 nominal For wiring details see Table D 1 on page D 1 9 Supervisory Link and Analog Output Termination Board in Figure 2 4 on page 2 8 The terminal has a 300 V rating and accepts 26 14 AWG wires 1 5 mm2 nominal Figure 2 4 First View of the Top Side of the I O Module ...

Page 45: ...configurations use either 4 or 6 conductor cables of varying lengths 10 ac Line EMI Filter in Figure 2 4 on page 2 8 The line filter located beneath the Supervisory Link and Analog Output Termination Board item 9 on page 2 8 blocks the electromagnetic interferences conducted in the ac power supply 11 Thermostat in Figure 2 5 on page 2 9 It stops the heating whenever the base plate temperature exce...

Page 46: ... accepts 22 14 AWG wires 2 5 mm2 nominal For wiring details see Table D 2 on page D 1 2 4 6 2 Left Side of the I O Module The left side of the I O module Figure 2 6 on page 2 10 supports plug connectors and the fuse An extremely high degree of electrical and environmental protection is assured by a covering plate over the connecting zone Figure 2 6 Left Side of the I O Module ...

Page 47: ...s connector is wired to the termination board For wiring details see Table D 6 on page D 3 19 J3 Local Analog Output 4 Pin Connector This connector is wired to the supervisory link terminal block The 4 20 mA output is isolated For wiring details see Table D 6 on page D 3 20 J2 Thermistor 2 Pin Connector This connector is factory wired to the heating plate thermistor For wiring details see Table D ...

Page 48: ... the set point It remains off if the internal temperature exceeds the set point 23 5 Regulated 5 Vdc supply LED This dim green LED confirms the presence of the 5 Vdc power supply 24 5 Regulated 5 Vdc supply LED This dim green LED confirms the presence of the 5 Vdc power supply Figure 2 7 Right Side of the I O Module 5 C 5 OK HH H ...

Page 49: ...ydran 201Ti uses three analog inputs Gas level reading supplied by the Hydran 201 sensor Temperature of the H201 sensor supplied by the sensor thermistor Temperature of the heating plate supplied by the heating plate thermistor All H201Ti s inputs pass in a first level of processing which has the following functions To protect the H201Ti against interferences and surges To filter out low pass the ...

Page 50: ...page D 3 2 6 HEATING SYSTEM The recommended operating temperature range of the Hydran 201 sensor is 15 to 65 C 59 to 149 F The sensor temperature is a function of The ambient air temperature surrounding the Hydran 201Ti The oil temperature behind the valve on which the H201Ti is mounted Note This temperature is always lower than the oil temperature at the top of the transformer tank The thermal re...

Page 51: ... historic data when ac power is not available The battery is a lithium manganese dioxide cell 1 000 mAh with a service life of approx imately ten years an extremely low self discharge 1 per year at 25 C 77 F and an operating temperature range of 10 to 70 C 50 to 158 F This type of battery is used in critical conditions in the majority of military industrial and commercial applications 2 7 1 Estima...

Page 52: ...ge remains displayed in the lower right corner of the Hydran Host Network Survey window during the transfer Use the Global Config window to transfer the H201Ti s adjustable parameters see the Hydran Host Software Manual Finally note manually all parameters in the H201Ti s Communication submenu These parameters are the only ones that cannot be accessed from the Hydran Host software If the Hydran Ho...

Page 53: ...ut the module with care from the H201Ti 6 Place the module on a table 7 Remove the three remaining screws 8 Carefully lift off the cover of the CPU module 9 To disconnect the battery simply remove the JP5 jumper located next to the battery wires 10 Put the jumper aside 11 If the battery is disconnected for storage purposes use tape to stick the jumper inside the CPU module s cover 12 Reinstall the...

Page 54: ...e H201Ti 10 Fasten the CPU module with the two screws removed during step 4 on page 2 17 11 Reconnect the H201Ti s power supply 12 Power on the H201Ti The H201Ti executes the self test sequence as described in Section 4 2 5 on page 4 6 13 When requested use the H201Ti s keypad to enter The date and time The identification number of the H201Ti The identification number of the power station Note Exc...

Page 55: ...mble crush puncture or incinerate the battery Handle a damaged or leaking battery with extreme care If you touch the electrolyte wash the exposed skin with soap and water If the electrolyte contacts your eye flush the eye with water for 15 minutes If you have inhaled the electrolyte move to fresh air and monitor breathing and circulation In each case seek immediate medical attention When discardin...

Page 56: ...ta see Section 4 5 9 on page 4 26 and Appendix G 2 10 ADDITIONAL INFORMATION To obtain more information on the Hydran 201Ti please consult the following parts of this manual Displays and menus See Chapter 4 Before the installation See Chapter 5 Installation See Chapter 6 Communications and networking See Chapter 9 Alarms See Chapter 10 Operation See Chapter 11 Troubleshooting See Chapter 12 Mainte...

Page 57: ...ydran 201Ci C is meant specifically to interface a network of up to 128 Hydran 201Ti s to a computer via a single RS 232 or USB link or an optional modem As opposed to the Hydran 201Ci 1 Section 3 2 on page 3 7 the H201Ci C does not have a display nor does it provide alarms or analog outputs Up to four H201Ti s typically a transformer bank A B C and sometimes an auxiliary can be connected to each ...

Page 58: ...llers H201Ci C and or H201Ci 1 can be connected together with an RS 485 link to establish a local network that can contain up to 128 H201Ti s For details on network configurations see Chapter 9 3 1 2 Description of the Major Components An internal view of the Hydran 201Ci C is presented in Figure 3 2 on page 3 3 1 Enclosure The H201Ci C cabinet is rated Type NEMA 4X With the standard internal heat...

Page 59: ... For wiring details see Table D 8 on page D 5 6 Perforated Openings Six perforated openings are present in the bottom plate of the cabinet for wiring purposes Three holes have a 0 75 in diameter and three holes have a 0 5 in diameter CAUTION WARNING ELECTRICAL SHOCK HAZARD Voltage of 115 or 230 Vac is present on several connecting screws of this terminal block Figure 3 2 Internal View of the Hydra...

Page 60: ...dem The telephone line should be connected here For more detail refer to the modem procedure located in the English Procedures folder of the Hydran 201i System installation CD 11 RS 485 LAN Connector 3 Pins J11 To set up a H201Ti network the H201Ci C s and or H201Ci 1 s are daisy chained together into an RS 485 Local Area Network LAN 12 Supervisory Link Connector to Termination Board No 1 4 Pins J...

Page 61: ...Hydran 201Ci C Communications Controller Part 17997 Rev 6 March 2011 3 5 Figure 3 3 Circuit Board of the Hydran 201Ci C ...

Page 62: ...s factory wired to the connector J3 It consists of two 50 W resistors located under the support bracket of the electronic circuit board 21 Voltage Selector Switch SW1 For wiring details see Table D 9 on page D 7 This selector is used to choose between the following 115 V corresponding to a 90 132 Vac range from 47 to 63 Hz 230 V corresponding to a 180 264 Vac range from 47 to 63 Hz 22 Configuratio...

Page 63: ... CONTROLLER Figure 3 4 on page 3 8 shows a Hydran 201R Model i It consists of two components The Hydran 201Ci 1 One Channel Controller which is described in detail in Section 3 2 on page 3 7 The Hydran 201Ti Intelligent Transmitter already described in Chapter 2 3 2 1 Features The Hydran 201Ci 1 is designed to supervise one Hydran 201Ti and be used as an interface between this H201Ti and a host co...

Page 64: ...ed together with an RS 485 link to establish a local network that can contain up to 128 H201Ti s For details on network configurations see Chapter 9 A terminal block to connect the following components ac power supply Supervisory link between the H201Ci 1 and the H201Ti RS 485 link toward other H201Ci controllers to establish a network Alarm contacts High High High and fail Isolated analog output ...

Page 65: ...l Display The LED digital read out displays the content of combustible gas in the oil The standard range of the H201Ci 1 display is 0 to 1 999 ppm volume volume When the H201Ci 1 is linked to a Hydran 201Ti the display reflects the actual H201Ti s reading The display blanks when a system fault occurs at the H201Ti level or in the H201Ci 1 itself Figure 3 5 External View of the Hydran 201Ci 1 ...

Page 66: ...ates all the electronic functions of the H201Ci 1 H201Ti TDM pulse decoder alarm relay drivers configurable analog output amplifiers display signal conditioning supervisory link supply communication ports and modem optional management enclosure heater control and ac supply voltage selector See Section C 3 on page C 3 for a simplified block diagram of the circuit 6 Main Terminal Block The ac power ...

Page 67: ...le to interface the H201Ci 1 directly to a PC or to a smart modem The RS 232 computer port J10 can also be used item 7 in Figure 3 7 on page 3 12 9 5 Vdc and 12 Vdc Power Supply Connector 4 Pins J6 This power source can be used for optional equipment Each line is protected with a 1 35 A fuse Figure 3 6 Internal View of the Hydran 201Ci 1 ...

Page 68: ...Chapter 3 Hydran 201Ci Controllers 3 12 Rev 6 March 2011 Part 17997 Figure 3 7 Circuit Board of the Hydran 201Ci 1 ...

Page 69: ...4 Alarm 2 Gas High High Indicator Yellow DS9 This LED indicator is lit when a Gas High High alarm condition level hourly trend or daily trend is detected by the H201Ti It turns off when the condition is cleared The H201Ci 1 s Gas High High relay tracks the equivalent relay in the H201Ti 15 Alarm 1 Gas High Indicator Yellow DS10 This LED indicator is lit when a Gas High alarm condition level hourly...

Page 70: ... factory wired from the ac terminal block to this connector 23 Heater Connector 6 Pins J3 The enclosure heater is factory wired to the connector J3 It consists of two 50 W resistors located under the support bracket of the electronic circuit board 24 Voltage Selector Switch SW1 For wiring details see Table D 12 on page D 11 This selector is used to choose between the following 115 V corresponding ...

Page 71: ...d TDM Time Division Multiplexing signal from the H201Ti 30 Display Board Connector 16 Pins J4 This connector is factory wired to the display board located on the door This is the cable used for communication between the controller board and the display board 3 2 4 Additional Information To obtain more information on the Hydran 201Ci 1 please consult the following parts of this manual Before the in...

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Page 73: ... It requires no manual contrast adjustment and is equipped with temperature compensation When the H201Ti is closed the display remains visible through a window in the aluminum cover Note Make a shadow over the display and observe the backlighting Although it appears dim in daylight the backlight allows easy reading of the display at night The contrast of this thermally compensated display is set a...

Page 74: ...execute commands requested through the keypad and to display the parameters from the Main Menu and the Extended Menu These tasks correspond to the Menu Navigation mode Section 4 2 3 on page 4 5 and the Parameter Modification mode Section 4 2 4 on page 4 6 Figure 4 1 Hydran 201Ti s User Interface ...

Page 75: ...ur messages Gas level in ppm Hourly trend in ppm x hours Daily trend in ppm x days Date and time Menu Navigation mode Section 4 2 3 on page 4 5 This mode gives access to the H201Ti s parameters and commands Parameter Modification mode Section 4 2 4 on page 4 6 This mode is used with the Menu Navigation mode to set the H201Ti s parameters alarm levels date and time etc Power up mode Section 4 2 5 o...

Page 76: ...ition disappears this message is removed from the Main Display list Almost all alarm messages are displayed as follows whether the alarm is unacknowledged flashing or not alarm condition still present The top line displays the alarm message the name of the parameter that triggered the alarm followed by the alarm state LL Low Low L Low H High or HH High High The bottom line displays the parameter s...

Page 77: ...larm message Alarm set point Displayed only if an alarm occurred if it was acknowledged and if the alarm condition is still present See Section 4 2 1 on page 4 3 GasLevel xxx PPM Gas level measured by the Hydran 201 sensor Range 0 to 2 000 ppm Initial valueb 0 to 20 ppm b Sensor exposed to air for example during the initial verification or the installation HourlyTrend xx 24 h Variation in ppm of t...

Page 78: ...er up Mode Depending on start up conditions the H201Ti executes one of the following sequences Normal power up power off longer than five minutes See Section 4 2 5 1 on page 4 6 Short power up power off shorter than five minutes See Section 4 2 5 2 on page 4 7 First power up after reconnection of battery See Section 4 2 5 3 on page 4 7 4 2 5 1 Normal Power up Power off Longer Than Five Minutes Thi...

Page 79: ...il these values are entered Table 4 3 Values Requested During the First Power up Sequence Note The dialog of the first power up can only be performed using the H201Ti s keypad not the Hydran Host software 4 3 USING THE KEYPAD S KEYS ACCORDING TO EACH MODE The Hydran 201Ti s keypad is shown in Figure 4 2 on page 4 8 Table 4 4 on page 4 8 summarizes the functions of the keys according to the operati...

Page 80: ...rd one step in Main Display list When allowed enters Parameter Modificationmode otherwise no effect Toggles choices between on and off no effect on numerical value DOWN Scrolls forward in list Decrements a numerical valuea a Press and hold the UP or DOWN key for more than one second to increase or decrease steadily the displayed value hold it for more than three seconds to accelerate the rate of i...

Page 81: ...changes of the H201Ti s parameters The passwords should be divulged to authorized personnel only particularly password No 2 The passwords are common to all H201Ti s and cannot be changed Note Passwords used in the Hydran Host software are independent from those entered via the H201Ti s keypad and they can be changed see the Hydran Host Software Manual When the H201Ti requests a password one of the...

Page 82: ...e functions of each submenu of the H201Ti s embedded software Table 4 5 Functions of the Submenus of the H201Ti s Embedded Software Submenu Functions Historya To consult the four historic data files Events recording at the time of events example alarms Short Term recording at fixed logging rate example every 15 minutes Long Term recording at fixed logging rates example every 6 hours Service record...

Page 83: ...munication channel RS 232 link or supervisory link To set the communication parameters Relays Analog Extended Menu only To read the state of the alarm relays On or Off To set the operation mode of the three alarm relaysb To select the triggering conditions of the fail alarm FaultTrig To read the state of the analog output and TDM signal in To set the operation mode of the analog output and TDM sig...

Page 84: ...re stored in historic data file Events Its capacity is 500 recordings when the file is full and a new recording occurs the oldest recording is deleted first in first out method All event messages and their description are provided in Appendix E The following events are recorded An alarm is triggered An alarm is acknowledged by a user An alarm is cancelled the alarm condition has disappeared A para...

Page 85: ...riable ServiceV value of the ServiceV variable 4 5 1 2 Short Term History At a certain logging rate adjustable see Section 4 5 1 5 on page 4 15 the date and time plus ten variables are stored in the historic data file Short Term Its capacity is 480 recordings when the file is full and a new recording occurs the oldest recording is deleted first in first out method Navigation is performed as follow...

Page 86: ...ogging rate non adjustable for each test the date and time of the test plus seven variables are recorded in the historic data file Service Its capacity is 120 recordings five years when the file is full and a new recording occurs the oldest recording is deleted first in first out method Navigation in this file is performed the same way as in the historic data file Short Term see Section 4 5 1 2 on...

Page 87: ... Term recordings The total capacity is 480 recordings For example 1 recording per day provides a capacity of 480 days 1 year and 4 months 2 recordings per day provides a capacity of 240 days 8 months 3 recordings per day provides a capacity of 160 days 5 months 4 recordings per day provides a capacity of 120 days 4 months Note LongTermLog 1 cannot be turned off however LongTermLog 2 3 and 4 can ea...

Page 88: ...ame value as the one shown in the Main Display mode GasAlr H Set point of gas level High alarm GasAlr HH Set point of gas level High High alarm GasAlr Delay Alarm delay for all gas level alarms set points GasAlr L Extended Menu only Set point of gas level Low alarm GasAlr LL Extended Menu only Set point of gas level Low Low alarm 4 5 2 2 Hourly Trend This function gives access to the hourly trend ...

Page 89: ...bmenu allows the user to Read the current temperature of the Hydran 201 sensor Set the parameters of the sensor temperature alarm Adjust the set point of the sensor temperature Set the periods A and B Read the actual set point heating power and temperature of the heating plate Note Temperatures displayed on the H201Ti s display are given in Celsius degrees For explanations on the H201Ti s heating ...

Page 90: ...bmenu The Service submenu allows the user to Read the value of the Hydran 201 sensor parameters Test the H201 sensor operation Read the battery voltage Set the parameters of the battery alarm Read the service data of the H201 sensor 4 5 4 1 SensorCal Data This function gives access to the Hydran 201 sensor parameters Each sensor has its own set of parameter values the values are indicated on the T...

Page 91: ...the historic data file Events The H201Ti s display returns to the Main Display mode see Section 4 2 2 on page 4 4 after the H201 sensor output signal has returned to normal two minutes If the sensor test fails in other words if an alarm condition is detected the fail alarm is triggered the test result is recorded in the historic data file Events and a message is displayed on the H201Ti s display N...

Page 92: ...lr Delay parameter is reset each time the Setup Lost alarm condition is detected This parameter must be set to its former operation value after the alarm condition has disappeared For explanations pertaining to the H201Ti s battery see Section 2 7 on page 2 15 4 5 4 4 ServiceData This function is used to read the value of six internal parameters used by the General Electric Canada personnel during...

Page 93: ...ted with the CommChannel parameter to the one indicated with the DefaultChannel parameter if the communications cease for five minutes The CommChannel parameter is used to select a temporary channel generally the RS 232 link for the purpose of connecting a host computer during installation trouble shooting or maintenance procedures The DefaultChannel parameter is used to select the permanent chann...

Page 94: ...her SCADA system 4 5 6 3 BaudRate This function is used to set the serial communication rate of the Hydran 201Ti The communication can be set at 1 200 2 400 4 800 or 9 600 bps bits per second All H201Ti s belonging to one network must be set to the same baud rate If the BaudRate parameter is changed and if the H201Ci Controller is equipped with a modem always execute the Communication Force HostCa...

Page 95: ...e H201Ti ID and PowerStat ID parameters are therefore usually modified Furthermore the H201Ti and power station s identification numbers must correspond to those assigned to the same H201Ti s and power station in the Hydran Host software Note The identification number of each H201Ti must be recorded during the configuration of the local network 4 5 7 Relays Analog Submenu Extended Menu Only The Re...

Page 96: ...the fail alarm relay The four operation modes are explained in Section 10 2 3 on page 10 5 FaultTrig Is used to set to Off or On each fail alarm condition For details see Section 10 5 on page 10 14 Press CHANGE to turn on a condition an asterisk is then displayed at the right of the parameter s name or turn it off only the parameter s name is displayed 4 5 7 4 AnalogOut AnalogState Displays the st...

Page 97: ...e of the TDM signal The three Force x modes are used only to test the operation of the Hydran 201i System 4 5 8 NewSensor Submenu Extended Menu Only The NewSensor submenu is used to Set the Hydran 201 sensor parameters Install a new H201 sensor This submenu is very similar to the Service SensorCal Data submenu see Section 4 5 4 1 on page 4 18 except that in the latter submenu the parameter values ...

Page 98: ...u LowRange Calibration of the H201 sensor signal s low range HighRange Calibration of the H201 sensor signal s high range SensorTemp Calibration of the H201 sensor temperature HeaterTemp Calibration of the heating plate temperature SignAnalog Calibration of the analog output CAUTION WARNING Use this submenu only to install a new H201 sensor because it changes the Service ServiceData parameters The...

Page 99: ...ify whether the two components are paired correctly consult the serial numbers indicated on the shipping box and or the Test Certificate and Data Sheet The sensor s serial number is located below the connector see Figure 2 3 on page 2 6 while the H201Ti s serial number is located at the back of the heating plate see Figure 5 1 on page 5 1 Figure 5 1 H201Ti s Serial Number and Protective Cap H201T ...

Page 100: ...ed inside the threaded extremity with a finger or an object see Figure 5 2 on page 5 2 The membrane is easily impaired this would damage the sensor permanently thus voiding the warranty 4 Do not block or puncture the sensor s breathing membrane Located above the sensor s connector see Figure 2 1 on page 2 3 this opening provides oxygen to the gas detector inside the sensor Blocking or puncturing t...

Page 101: ...on based compounds near the sensor Do not clean the sensor with any solvent or other products see Figure 5 3 on page 5 3 The volatile fumes of these compounds can deteriorate sensor performances Products to avoid include Paint liquid Teflon vehicle exhaust spray can black pitch thinner RTV Room Temperature Vulcanization silicon based mastic and solvent Figure 5 3 Do Not Paint the Sensor or Clean I...

Page 102: ...ay cause serious damage to the sensor thus voiding the warranty It is recommended to use General Electric Canada s Hydran 201TW tube wrench see Figure 5 4 on page 5 4 to correctly install the Hydran 201 sensor One Hydran 201TW tube wrench per site is recommended Figure 5 4 Use the Hydran 201TW Instead of a Pipe Wrench H201TW tube wrench ...

Page 103: ...nized fittings to install the brass adaptor and the sensor Galvanized fittings pipes reducing bushings rings etc may react with the oil and produce elevated gas level readings Similarly do not use galvanized fittings on transformer valves used for oil sampling Figure 5 5 Do Not Install the H201Ti on the Inlet Side of the Radiator Pump Pump outlet Pump Radiator ...

Page 104: ...nce that can reduce the accuracy of gas level readings For details pertaining to the positioning of H201Ti s see Section 5 2 2 2 on page 5 10 11 Do not subject the H201Ti or its sensor to high pressure water streams see Figure 5 7 on page 5 6 Used during the cleaning of transformers they may cause serious damage Figure 5 6 Do Not Install the H201Ti on an Elbow Figure 5 7 Avoid High Pressure Water ...

Page 105: ...e 1 5 on page 1 9 2 Full bore gate or ball valve 3 Hydran 201Ti Intelligent Transmitter 4 H201Ti s supervisory link cable in a rigid or flexible steel conduit 5 H201Ti s power supply cable in a rigid or flexible steel conduit 6 Cable for communications and analog outputs in a rigid or flexible steel conduit distinct from alarm cable conduit toward a supervisory control and data acquisition SCADA s...

Page 106: ...Chapter 5 Before Installation 5 8 Rev 6 March 2011 Part 17997 Figure 5 8 Typical Installation of the Hydran 201i System 2 3 4 6 5 8 7 1 ...

Page 107: ...or meaningful readings and good response time the most important factors are proper location and installation of the H201Ti This Section details the most important consider ations for the installation of the H201Ti 1 Always mount the H201 sensor on a full bore gate or ball valve where there is sufficient convective oil flow 2 The H201Ti is installed on a valve with a 1 5 in nominal diameter NPT fe...

Page 108: ... 2 2 Typical Locations For a typical transformer the four most common locations to install the Hydran 201Ti are shown in Figure 5 9 on page 5 10 1 Radiator s return pipe The recommended location to mount the H201Ti is on the straight section of the radiator s return pipe which is joining the bottom of the radiator to the transformer s main tank on the discharge side of the pump to avoid Figure 5 9...

Page 109: ...5 6 or a fitting box The turbulent oil flow at these locations may result in inaccurate gas level readings If the H201Ti is mounted directly on the wall of the transformer tank ensure it is installed below the oil level No obstructions baffle pipe etc must exist behind the valve inside the tank Regardless of the selected location it is recommended to mount the H201Ti horizontally If no horizontal ...

Page 110: ... is essential to protect the equipment against electromagnetic and radiofrequency interference 7 Install the enclosure as far as possible from circuit breakers or any other strong source of radiofrequency noises The enclosure can be installed up to 1 200 m 4 000 ft from the Hydran 201Ti The total length of supervisory links communication cable between the H201Ci Controller and its H201Ti s must no...

Page 111: ...Ti identification number power station identification number communication speed alarm set points operation mode of relays etc must be selected before field installation 2 Each H201Ti of a local network must be set to an individual and exclusive identifi cation number parameter H201Ti ID in the Communication submenu selected between 1 and 254 The numbers can be assigned sequentially or using any o...

Page 112: ...ength for all supervisory links cables in a single Hydran 201i System between a H201Ci Controller and its H201Ti s is 1 200 m 4 000 ft The total maximum length for all RS 485 link cables between all H201Ci Controllers in a local network is also 1 200 m 4 000 ft The length of the RS 232 link cable must not exceed 7 7 m 25 ft 2 All cables that connect the Hydran 201i System s components should be ru...

Page 113: ...mitting the information between the H201Ci controller and the SCADA system requires one RS 485 or RS 232 link cable and or the following pairs for each H201Ti Three pairs for the alarm contacts High High High and system fail alarms One or two pairs for the analog outputs Because of its digital nature the supervisory link provides better protection against electrical noise 5 3 INSTALLATION To insta...

Page 114: ...Chapter 5 Before Installation 5 16 Rev 6 March 2011 Part 17997 PAGE LEFT INTENTIONALLY BLANK ...

Page 115: ...confirms that no damage occurred during shipping and allows the user to become familiar with the Hydran 201i System The H201Ti installation procedure is described in Section 6 3 on page 6 17 6 1 1 Receiving and Unpacking Upon receipt the shipping box contains one preassembled H201Ti complete with a transmitter enclosure a Hydran 201 sensor electronic modules CPU and I O and a flanged brass adaptor...

Page 116: ...2 Two cables One RS 232 cable of 1 8 m 6 ft One supervisory link cable 30 50 or 100 ft 9 15 or 30 m with six wires and an overall shield Note This supervisory link cable is supplied only when the H201Ti is part of a Hydran 201R Model i or is ordered with any Hydran 201Ci Controller 3 Software and manuals One installation CD ROM that includes the following items The Hydran Host software Three manua...

Page 117: ...e ac power supply voltage indicated on the left side of the I O module corresponds to the power source voltage and the value on the Test Certificate and Data Sheet for an example see Figure 6 1 on page 6 4 The left side is determined by facing the H201Ti s display and keypad There are two possibilities 115 V corresponding to a 90 132 Vac range from 47 to 63 Hz 230 V corresponding to a 180 264 Vac ...

Page 118: ...Chapter 6 Hydran 201Ti Installation 6 4 Rev 6 March 2011 Part 17997 Figure 6 1 Example of Test Certificate and Data Sheet for the Hydran 201Ti ...

Page 119: ...ound at the bottom of page ii Note Never return equipment without first contacting the General Electric Canada Customer Service 6 1 4 Storage and Battery Care If the Hydran 201Ti is not installed immediately it is strongly recommended to store it in its original shipping box in a safe place The plastic cap must be left on the adaptor to protect its threads and the membrane Storage should be at a t...

Page 120: ...igure 2 4 on page 2 8 The live side to L1 L the other side to L2 N and the ground to E G For additional wiring details see Table D 1 on page D 1 Note If a supervisory link cable is attached to the H201Ti do not connect it to the Hydran 201Ci Controller now It will be connected later when testing the H201Ci if supplied 5 Ensure the ac power supply voltage indicated on the label near the terminal bl...

Page 121: ...the six small LED diagnostic indicators on the right side of the I O module from left to right in Figure 2 7 on page 2 12 Heating state LED This yellow LED flashes once every five seconds in proportion to the amount of power supplied to the heating plate The LED must remain lit if the internal temperature is below the set point adjustable Temp SetPoint parameter in the Temperature DynOil Sampl sub...

Page 122: ... due to the extremely wide temperature range of this membrane keypad that prevents the use of clicking domes under the keys 8 Make a shadow over the display and verify that the backlighting is functioning Although it appears dim in daylight the backlight allows easy reading of the display at night This backlit LCD display with automatic temperature compensation of contrast is perfectly readable un...

Page 123: ...n may be used during the Hydran 201Ti verification maintenance and troubleshooting procedures certain steps may therefore not apply to your particular situation Perform all the prodecures from Section 6 2 4 1 on page 6 9 to Section 6 2 4 6 on page 6 12 To verify the relays using the alarm contacts connect an ohmmeter to the Alarm Contacts 9 Terminal Block item 12 in Figure 2 5 on page 2 9 To ident...

Page 124: ... ohmmeter Refer to Table D 2 on page D 1 for the terminal block wiring 6 2 4 2 Gas High High Alarm 1 Access the submenu Relays Analog GasHH Relay 2 Access this relay by pushing ENTER the state of the relay is now displayed 3 Set this relay s parameter RelayMode to Force ON 4 Ensure The High High alarm state LED HH item 26 in Figure 2 7 on page 2 12 is lit The NO contact of the High High alarm is c...

Page 125: ...system has detected the state change of the fail alarm relay 6 2 4 5 Cancelling the Gas Alarms 1 Access the submenu Relays Analog GasH Relay 2 Set this relay s parameter RelayMode to Normal 3 Access the submenu Relays Analog GasHH Relay 4 Set this relay s parameter RelayMode to Normal 5 Ensure The High alarm state LED H item 27 in Figure 2 7 on page 2 12 is off The High High alarm state LED HH ite...

Page 126: ... menu times out after 30 minutes of keypad inactivity 2 Push DOWN three times until Service appears 3 Access this menu by pushing ENTER 4 Push DOWN twice until Backup Battery appears 5 Read the battery voltage by pushing ENTER The value must exceed 2 9 V Note The Hydran 201Ti requires a minimum of 2 2 V to operate correctly 6 When all is done push END 6 2 6 Sensor Serial Number Verification and Se...

Page 127: ...ther message is displayed see Section 12 1 3 on page 12 2 11 When all is done push END The Hydran 201Ti returns to the Main Display mode 6 2 7 Adjusting the Temperature Set Point 1 Allow 30 minutes after power up for the temperatures to stabilize 2 Access the top of the extended menu by pushing ENTER twice History appears Note Once accessed the extended menu times out after 30 minutes of keypad in...

Page 128: ...es of the electrical current that should be generated for each operation mode 1 Connect a suitable dc digital ammeter with a 1 accuracy and a 0 01 mA resolution to the terminal screws 7 and 8 of the Supervisory Link and Analog Output Termination Board see item 9 in Figure 2 4 on page 2 8 Refer to Table D 6 on page D 3 for connection details 2 Access the top of the extended menu by pushing ENTER tw...

Page 129: ...NTER to force the output to 100 17 Allow about one minute for the output to stabilize 18 Verify the ammeter reads 20 00 0 40 mA 19 Push CHANGE UP and ENTER to return the output to Normal 20 When all is done push END 21 Disconnect the ammeter 6 2 9 Verifying the RS 232 Communication Facultative This procedure requires the use of the Hydran Host software Please refer to the Hydran Host Software Manu...

Page 130: ...s and ENTER to modify the Gas Monitor ID 11 Write down the current value of the Gas Monitor ID 12 Change the Gas Monitor ID to 1 using the UP DOWN and ENTER keys 13 When all is done push END 14 Start the Hydran Host software Please refer to the Hydran Host Software Manual 15 In the opening window go to the Main Menu and choose Network Setting 16 Check the station No 1 and uncheck all the other sta...

Page 131: ...the procedure in Section 8 2 on page 8 2 4 If no H201Ci Controller is available remove the power and computer cables from the H201Ti 5 Close the H201Ti cover 6 Store the H201Ti in its box ready for installation 7 If the H201Ti is not installed immediately refer to Section 6 1 4 on page 6 5 6 3 INSTALLATION This Section explains how to install the Hydran 201Ti the brass adaptor and the Hydran 201 s...

Page 132: ...rmer being monitored and or the Hydran 201i System and could lead to property damage personal injury and or death Instal lation and maintenance of the Hydran 201i System must be carried out by qualified personnel only Figure 6 2 Hydran 201Ti Assembly Six lockwashers Six 1 4 28 cap screws ac power supply terminal block Supervisory link and analog output termination board Two screws to fasten the CP...

Page 133: ...i 6 3 2 1 Removing the CPU Module 1 Unscrew the H201Ti s aluminum cover knob 2 Remove the cover 3 Remove only the two screws used to fasten the CPU module and identified with arrows see Figure 6 3 on page 6 19 Figure 6 3 Screws Used to Fasten the CPU Module H201Ti V2 2x MainMenu ...

Page 134: ... by looking at it Its surface must be flat without cuts or tears 3 Protect the sensor s membrane by placing the supplied plastic cap over the sensor s threads 6 3 2 4 Conclusion 1 Store the parts the brass adaptor and the Hydran 201 sensor in a box and in a safe place until ready for installation 2 Compare the contents to the list in Section 6 1 2 on page 6 2 Note If the Hydran 201Ti has been in s...

Page 135: ...any trace of oil and dispose of the collected oil according to company standards 6 3 4 Installing the Brass Adaptor Onto the Valve 1 Cover the adaptor s threads with Teflon tape see Figure 6 4 on page 6 21 CAUTION WARNING Use only Teflon tape to seal the threads of both the adaptor and Hydran 201 sensor Wrap at least 4 to 5 layers of tape around the threads Figure 6 4 Always Cover the Threads of t...

Page 136: ...ghten the sensor using General Electric Canada s Hydran 201TW tube wrench see Figure 5 4 on page 5 4 or a strap wrench Do not use a pipe wrench Do not use excessive force when tightening the H201 sensor onto the valve Note If the H201 sensor is installed horizontally ensure the bleed screw is on top at the 12 o clock position see Figure 6 6 on page 6 23 CAUTION WARNING The H201Ti can be installed ...

Page 137: ...present in the oil shut the bleed screw tightly 4 Open the valve completely 5 Wipe all traces of oil from the sensor 6 Inspect the adaptor and sensor for oil leaks 7 Dispose of the collected oil according to company standards CAUTION WARNING This step should be performed according to company regulations Proceed carefully to avoid introducing air into the transformer Use a bucket to collect the oil...

Page 138: ...installed horizontally the terminals must be facing up and located under the sensor Also ensure the bleed screw and sampling port remain easy to access 2 Plug the twist lock female connector of the sensor cable to the male connector behind the Hydran 201 sensor CAUTION WARNING Be careful not to squeeze the nearby electrical wires between the lockwashers and the heating plate or not to damage the s...

Page 139: ...t be run through steel conduits Otherwise armored cables can be used Flexible rather than rigid conduits should be used near the H201Ti to ease installation and servicing CAUTION WARNING All metallic conduits or cable shields must be connected to the ground at one point Figure 6 8 Fastening the Heating Plate to the Brass Adaptor Six lockwashers Six 1 4 28 cap screws Sensor cable ...

Page 140: ...utput One conduit is used to run the power supply cable and if used the cable of the H201Ti s alarm contacts 3 Mount a conduit to each fitting Note The ac power to the H201Ti can be supplied from the H201Ci 1 Controller via terminals 4 to 6 of the main terminal block or from a different source The H201Ci C does not have terminals used to supply power to the H201Ti 4 Ground the conduits and or cabl...

Page 141: ...s to the SCADA system 6 3 10 Installing the Alarms Cable Facultative If the Hydran 201Ti s alarms are used proceed as follows 1 Run the alarms cable through the second conduit up to the H201Ti 2 Connect the cable to the H201Ti s Alarm Contacts 9 Terminal Block item 12 in Figure 2 5 on page 2 9 For wiring details see Table D 2 on page D 1 3 Connect the cable to the SCADA system 6 3 11 Installing th...

Page 142: ...f the Hydran 201Ti until the connector at the back of the module is completely inserted in the mating connector 2 Fasten the module with the two 6 32 screws see Figure 6 9 on page 6 29 6 3 13 Verifying the Hydran 201Ti Operation 1 Power up the H201Ti 2 Perform the procedure described in Section 6 2 2 on page 6 7 CAUTION WARNING Never perform high voltage tests mega ohm measurements using a Megger ...

Page 143: ...Installation Part 17997 Rev 6 March 2011 6 29 Figure 6 9 Installing the CPU Module ...

Page 144: ...m customer requirements The value of the various parameters should be decided during the planning stage of the installation Ensure to verify all parameters 6 4 1 Setting the Communication Parameters for the Hydran Host Software Proceed as follows in order to use a host computer 1 Connect the supplied RS 232 cable to the Hydran 201Ti s DB 9 male RS 232 connector see item 5 in Figure 2 2 on page 2 5...

Page 145: ...ice to erase the contents of the historic data file Long Term 6 4 3 Verifying and Setting Gas and Trend Alarm Parameters For details on the parameters and commands in the submenu Gas see Section 4 5 2 on page 4 16 The operation of the relays and alarms is explained in detail in Chapter 10 1 Wait a minimum of 30 minutes after powering up the Hydran 201Ti or until the level of dissolved gases in oil...

Page 146: ...submenu Gas DailyTrend 5 Access the parameter DailyTr Period 6 Set this parameter to 1 day 7 In the submenu H201Ti V2 2x Temperature access the submenu Temper ature DynOil Sampl 8 Access the parameter Period B 9 Set this parameter to 0 hour 10 Wait five minutes and set these parameters to their default value HourlyTr Period to 24 hours DailyTr Period to 30 days Period B to 24 hours For details on ...

Page 147: ...ommand Force Sensor Test 5 Push ENTER The message AreYou Sure PressEnter is now displayed 6 Push ENTER again to confirm 7 When asked to enter the password 1 1253 use the UP and ENTER keys 8 The message Please wait appears the test is executed during a four second countdown and the Hydran 201Ti s display should indicate the message Good If another message is displayed see Section 12 1 3 on page 12 ...

Page 148: ...ation see Section 4 5 6 on page 4 21 1 Access the submenu H201Ti V2 2x Communication 2 Verify and set as required the six communication parameters which can only be accessed from the Hydran 201Ti s keypad Note the following considerations Gas Monitor ID identification number of the H201Ti At least one H201Ti in the local network must be set to an identification number from 1 to 5 inclusively Each ...

Page 149: ... relay Note An asterisk at the end of the display s bottom line indicates that the parameter is turned on the fail alarm is triggered if this condition is detected A space indicates that the parameter is off 6 4 13 Verifying and Setting the Operation Mode of the Analog Output and TDM Signal 1 Access the submenu H201Ti V2 2x Relays Analog 2 Verify and set as required the parameters AnalogMode and T...

Page 150: ...ydran 201Ti to stabilize The Hydran 201Ci Controller s can be installed during this time 2 Verify the H201Ti s accuracy by comparing its readings with a recent dissolved gas analysis DGA 3 If necessary and with the permission of the user set the alarm set points again this time according to the current level of dissolved gases in oil See Section 10 4 1 on page 10 9 The installation of the H201Ti i...

Page 151: ...nd allows the user to become familiar with the Hydran 201i System The Hydran 201Ci C installation procedure is described in Section 7 3 on page 7 6 7 1 1 Receiving and Unpacking Upon receipt the shipping box contains one pre assembled Hydran 201Ci C 1 Open the shipping box 2 Remove the Test Certificate and Data Sheet for an example see Figure 6 1 on page 6 4 3 Carefully remove the H201Ci C from th...

Page 152: ...ontacting the General Electric Canada Customer Service 7 1 3 Storage If the Hydran 201Ci C is not installed immediately it is strongly recommended to store it in its original shipping box in a safe place Storage should be at a temperature between 5 and 45 C 41 and 113 F and a non condensing relative humidity between 5 and 95 if these limits are to be exceeded please contact the General Electric Ca...

Page 153: ...king at the small LED indicators on the right side of the I O module refer to Section 2 4 6 3 on page 2 11 5 Repeat the steps 1 to 4 above until all H201Ti s are connected to the H201Ci C 6 Connect a power cord to the ac Supply Connector on the H201Ci C item 19 in Figure 3 3 on page 3 5 7 Power On the H201Ci C 8 Repeat the steps 1 to 7 above until all H201Ci C s are fed 7 2 2 Initial Observations ...

Page 154: ...dran 201i Systems forming a local network you must also verify the RS 485 local network link Proceed as follows 1 Put all Hydran 201Ci C s in a common network by connecting the RS 485 LAN cable from one H201Ci C s RS 485 LAN connector J11 item 11 in Figure 3 3 on page 3 5 to the next in a daisy chain fashion Refer to Chapter 9 2 Ensure all Hydran 201Ti s and all H201Ci C s are connected together 3...

Page 155: ...stablished Ensure the H201Ti identification numbers entered in the Hydran Host software correspond to those entered in each H201Ti Gas Monitor ID parameters Verify the wiring of all supervisory link cables Verify the wiring of the RS 485 local network link Finally disconnect the RS 485 link cable from all H201Ci s and reinstall the local network one H201Ci at a time 11 In the Relays Analog window ...

Page 156: ...n the step 4 above 7 2 4 Completing the Verification This completes the incoming verification of the Hydran 201Ci C 1 Disconnect all the H201Ti s from the power outlets 2 Disconnect all the H201Ci C s from the power outlets 3 Remove all supply cables 4 Remove all communication cables 5 Store the H201Ti s and the H201Ci C s in their respective boxes ready for instal lation 6 If the H201Ti s are not...

Page 157: ...tructure If vibrations are present use vibration absorbing rubber pads Figure 1 5 on page 1 9 which can be purchased from General Electric Canada 7 3 3 Installing the Cable Conduits Note the following considerations prior to installing All cables connected to the Hydran 201Ci C must be run through steel conduits Otherwise armored cables can be used Flexible rather than rigid conduits should be use...

Page 158: ...un into conduits up to the Hydran 201Ci C if the installation of the Hydran 201Ti s is completed see Section 6 3 9 on page 6 26 1 If required trim the excess length from the end of the supervisory link cables to be wired into the H201Ci C Note The total maximum length of all supervisory link cables connected to one H201Ci C is 1 200 m 4 000 ft 2 Ensure the four wires of each cable have been labell...

Page 159: ...ns Verify communications between the Hydran 201Ci C and the Hydran 201Ti s using a host computer running the Hydran Host software Proceed as described in Section 7 2 3 on page 7 4 and Section 6 2 9 on page 6 15 CAUTION WARNING The H201Ci C s operation may be affected if wires are not connected correctly Be careful when installing and inserting each wire Be sure to insert all strands in the termina...

Page 160: ... 3 8 Conclusion The installation of the Hydran 201Ci C is now completed 7 4 OTHER INSTALLATIONS To install other components of the Hydran 201i System please consult the following Sections Local network See Section 9 5 on page 9 8 Optional modem See Section 9 6 on page 9 11 ...

Page 161: ...d allows the user to become familiar with the Hydran 201R Model i The Hydran 201Ci 1 installation procedure is described in Section 8 3 on page 8 11 8 1 1 Receiving and Unpacking Upon receipt the shipping box contains one pre assembled Hydran 201Ci 1 1 Open the shipping box 2 Remove the Test Certificate and Data Sheet for an example see Figure 6 1 on page 6 4 3 Carefully remove the H201Ci 1 from t...

Page 162: ...e coordinates can be found at the bottom of page ii Note Never return equipment without first contacting the General Electric Canada Customer Service 8 1 3 Storage If the Hydran 201Ci 1 is not installed immediately it is strongly recommended to store it in its original shipping box in a safe place Ensure to cover the door mounted push buttons with the protective caps Storage should be at a tempera...

Page 163: ... Ensure the H201Ti is operating normally and no gas or fail alarms are present by looking at the small LED indicators on the right side of the I O module refer to Section 2 4 6 3 on page 2 11 5 Connect a power cord to the terminals 1 and 2 on the main terminal block of the H201Ci 1 item 6 in Figure 3 6 on page 3 11 and connect the E G wire to the enclosure chassis 6 Power On the H201Ci 1 8 2 2 Ini...

Page 164: ...n page 3 9 is off The Gas High High alarm indicator of the door mounted push button 2 item 2 in Figure 3 5 on page 3 9 is off The Alarm 1 Gas High indicator yellow DS10 item 15 in Figure 3 7 on page 3 12 is off The Alarm 2 Gas High High indicator yellow DS9 item 14 in Figure 3 7 on page 3 12 is off The System OK indicator yellow DS11 item 16 in Figure 3 7 on page 3 12 is lit 8 2 3 Verifying the An...

Page 165: ...he value should be Normal 11 Modify the TDM Out Mode by pushing CHANGE 12 When asked to enter the password 1 1253 use the UP DOWN and ENTER keys 13 Use the UP DOWN and ENTER keys to force the output to 0 14 Allow about one minute for the output to stabilize 15 Verify the H201Ci 1 s display reads 0 2 ppm 16 Verify the ammeter reads 4 00 0 10 mA 17 Use the UP DOWN and ENTER keys to force the output ...

Page 166: ... output to Normal 28 Verify the signal of the analog output returns to its former value 29 When all is done push END 30 Disconnect the ammeter 8 2 4 Verifying the Alarm Indicators and Relays The steps described in this Section may be used during the Hydran 201Ci 1 verification maintenance and troubleshooting procedures certain steps may therefore not apply to your particular situation Perform all ...

Page 167: ...larm condition should not turn off the indicator since the condition has not cleared 8 2 4 2 Gas High High Alarm 1 Access the submenu Relays Analog GasHH Relay 2 Set the parameter RelayMode of the Gas High High relay to On 3 On the H201Ci 1 verify that The door mounted 2 push button indicator is lit The Alarm 2 Gas High High indicator yellow DS9 item 14 in Figure 3 7 on page 3 12 is lit The Alarm ...

Page 168: ...ld turn off the indicators since the conditions are cleared during a system fault 8 2 4 4 System Fault Alarm Cleared 1 Set the same RelayMode parameter to Normal 2 On the H201Ci 1 verify that The H201Ci 1 s display is functional again The two door mounted push button indicators 1 and 2 are lit because the gas alarm conditions still exist The System OK indicator yellow DS11 item 16 in Figure 3 7 on...

Page 169: ...t is closed The System OK alarm NC contact is open If connected the SCADA system has detected the state change of both gas alarm relays Note Pushing both buttons to acknowledge the gas alarm conditions should turn off the indicators since the conditions have been cleared 8 2 4 6 Conclusion If necessary set the parameter RelayMode of each alarm relay to their initial mode 8 2 5 Verifying the RS 232...

Page 170: ...n Host software corresponds to the one entered in the H201Ti Gas Monitor ID parameter Verify the wiring of the supervisory link cable Verify the configuration of the Hydran Host software See the Hydran Host Software Manual for more information 6 Disconnect all communication cables supervisory link and RS 232 to the PC 7 When the test is completed restore the original communication settings in the ...

Page 171: ...al Numbers Ensure steps 3 and 4 on page 8 2 have been performed 8 3 2 Installing the Enclosure Prepare the installation location of the Hydran 201Ci 1 Read the recommendations in Section 5 2 3 on page 5 12 The H201Ci 1 must be mounted on a vibration free structure If vibrations are present use vibration absorbing rubber pads Figure 1 5 on page 1 9 which can be purchased from General Electric Canad...

Page 172: ...ed Up to six conduits may be installed supervisory link ac power supply alarms and analog outputs 3 Mount a conduit to each fitting 4 Ground the conduits and or cable shields at some point Follow the company regulations meticulously 8 3 4 Installing the Supervisory Link Cable Note The supervisory link cable has already been run into a conduit up to the Hydran 201Ci 1 if the installation of the Hyd...

Page 173: ... 11 on page D 8 3 Connect the cable to the SCADA system 8 3 6 Installing the Alarms Cable Facultative Perform this procedure only if the Hydran 201Ci 1 s alarms are used 1 Run the alarms cable through a conduit up to the SCADA system 2 Connect the cable to the alarm contacts terminals 7 to 15 of the main terminal block For wiring details see Table D 11 on page D 8 Note Do not switch heavy loads Se...

Page 174: ...ing the Analog Outputs Perform this procedure only if the Hydran 201Ci 1 s analog outputs are used connected to a SCADA system Proceed as described in Section 8 2 3 on page 8 4 CAUTION WARNING ELECTRICAL SHOCK HAZARD Turn off the electric power at the fuse box or service panel before making any electrical connections and ensure a proper ground connection is made before connecting line voltage Fail...

Page 175: ... between the Hydran 201Ci 1 and the Hydran 201Ti using a host computer running the Hydran Host software Proceed as described in Section 8 2 5 on page 8 9 8 3 12 Conclusion The installation of the Hydran 201Ci 1 is now completed 8 4 OTHER INSTALLATIONS To install other components of the Hydran 201R Model i please consult the following Sections Local network See Section 9 5 on page 9 8 Optional mode...

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Page 177: ...ee Section 9 2 on page 9 3 Communications with a host computer using an RS 232 or USB serial communication link See Section 9 3 on page 9 5 Communication protocol See Section 9 4 on page 9 8 Installation of a local network See Section 9 5 on page 9 8 Installation of an optional modem See Section 9 6 on page 9 11 9 1 COMMUNICATIONS WITHIN A HYDRAN 201R MODEL I OR A HYDRAN 201I SYSTEM USING A SUPERV...

Page 178: ... is half duplex one direction at a time from a single talker The supervisory link cable can be connected at the following locations In the H201Ti To the Supervisory Link and Analog Output Termination Board item 9 in Figure 2 4 on page 2 8 In the H201Ci C To the terminals 21 to 24 of the Main Terminal Block item 5 in Figure 3 2 on page 3 3 In the H201Ci 1 To the terminals 21 to 24 of the Main Termi...

Page 179: ...n communicate with the host computer because each H201Ti is identified by a specific address a number from 1 to 254 set by the user Note the following points The total length of all RS 485 link cables in a single network must not exceed 1 200 m 4 000 ft This corresponds to an average length of 40 m 120 ft for a local network containing 32 H201Ci s The RS 485 LAN uses an isolated three wire shielde...

Page 180: ...e H201Ci C To the terminals 21 to 24 of the Main Terminal Block item 5 in Figure 3 2 on page 3 3 Figure 9 1 Example of Local Network To other H201C Controller i RS 232 link Max 7 5 m 25 ft H201C C i Host computer Daisy chain network RS 485 link isolated 1 triad Max all cables added up 1 200 m 4 000 ft Max of H201C s 32 i To other H201C Controller i H201C 1 i Supervisory link isolated 3 pairs max 1...

Page 181: ... the various ways to connect a host computer to a Hydran 201R Model i The computer or modem can be attached to any Hydran 201Ci Controller on a local network General Electric Canada s Hydran Host software is the easiest way to communicate directly with the H201Ci s or the network Note A remote host computer can be used to supervise more than one local network of Hydran 201i Systems The RS 232 seri...

Page 182: ...omputer to the DB 9 or USB connector of a Hydran 201Ci Controller This connection gives access to all H201Ti s linked to this H201Ci and also if present to all H201Ti s of all H201Ci s in this local network The maximum distance for an RS 232 local link is 7 5 m 25 ft 9 3 2 Remote Communications via Modem One or more Hydran 201R Model i s and or Hydran 201i Systems are linked to a host computer by ...

Page 183: ...baud rate matched with H201T baud rate No flow control No compression 8 data bits No parity 1 stop bit i Note When programming a modem ensure the software being used does not reprogram the modem with default settings no configuration string Select baud rate with keypad 1200 2400 4800 or 9600 bps Notes 1 When a modem is used in the H201C Controller set the H201T s and parameters in the submenu to 2...

Page 184: ...unication submenu The Hayes compatible modem receiving this command dials the telephone number previously stored in its register 0 this number is redialed until the connection with the host computer s modem is established Then no other message is sent the host computer has the responsibility to communicate with the H201Ti in alarm The Hydran Host software answers and receives the alarm message The...

Page 185: ...x D Note No wires are criss crossed in an RS 485 link pin 1 is always connected to pin 1 pin 2 to pin 2 pin 3 to pin 3 Except for the two H201Ci s located at each end of a local network two RS 485 link cables are attached to each H201Ci using the Main Terminal Block Powering down one H201Ci does not affect the local network nor the other H201Ci s CAUTION WARNING The shield of each cable section mu...

Page 186: ...up to 7 7 m 25 ft You can also make your own null modem cable by using the same type of cable as for the RS 485 link Wire the female DB 9 connector as shown in Table 9 2 on page 9 10 Table 9 2 Wiring for Serial Cables 9 5 3 Verifying RS 232 and RS 485 Communications Proceed as described in Section 7 2 3 on page 7 4 CAUTION WARNING The length of an RS 232 communication cable must not exceed 7 7 m 2...

Page 187: ... 2 Start the Hydran Host software 3 If not already done use this software to prepare the communication with the Hydran 201Ti s by entering the definition of all H201Ti s in the network according to the identification numbers previously assigned For details see the Hydran Host Software Manual 4 Enter the model name and configuration string of the modem in the Host Config window of the Hydran Host s...

Page 188: ...is set for the first time you must initialize the H201Ci s modem with this communication speed To do so access the submenu Communication of one of the H201Ti s connected to this H201Ci select the Force HostCall command and press ENTER Note This task can be performed even if the H201Ci s modem is not connected to a telephone line and even if this modem is not yet programmed with a telephone number ...

Page 189: ...elephone number of the host computer s modem To use the Call OnAlarm mode proceed as follows 1 In the Hydran Host software start the Hydran Host module 2 Click Remote 3 In the Remote Access window select the desired power station 4 Click Put on Watch The following actions are then performed 1 The Hydran Host software initializes the host computer s modem 2 This modem telephones to the H201Ci s mod...

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Page 191: ...ansformers IEC 60599 1999 Mineral Oil Impregnated Electrical Equipment in Service Guide to the Interpretation of Dissolved and Free Gases Analysis CAUTION WARNING Wiring the alarm contacts see Section 10 2 1 on page 10 4 to safety tripping devices of the equipment monitored by the Hydran 201i System is not recommended because this system is an early warning device of incipient faults Information o...

Page 192: ...ran 201i System of the transformer is faulty Note A fail alarm does not concern the transformer The High and High High alarms provide an early warning of incipient faults in trans formers or any other oil filled electrical equipment 10 1 1 Alarm Conditions An alarm is triggered when an alarm condition is detected Each alarm has its own set of alarm conditions Gas High and High High alarms are trig...

Page 193: ...creasing at the rate of 50 ppm per month it takes two months before the gas High alarm condition is detected and the investigation of the possible causes of the increase begins unless the gas reading was already closely monitored If the daily trend High alarm is used and its alarm set point is adjusted to 25 ppm its period to 30 days and its alarm delay to 33 of the period 10 days the alarm would ...

Page 194: ...y has A normally open NO contact A normally closed NC contact A common contact Type C The physical form of these contacts is as follows Hydran 201Ti See the Alarm Contacts 9 Terminal Block item 12 in Figure 2 5 on page 2 9 Hydran 201Ci 1 See the terminals 7 to 15 of the Main Terminal Block item 6 in Figure 3 6 on page 3 11 Hydran 201Ci C Does not have alarm relays and thus no alarm contacts 10 2 2...

Page 195: ... the LED s on the circuit board see items 13 to 18 in Figure 3 7 on page 3 12 By verifying the status of the alarm contacts on the terminals 7 to 15 of the Main Terminal Block item 6 in Figure 3 6 on page 3 11 By looking at the illuminated 1 High alarm and 2 High High alarm push buttons on the enclosure door H201Ci C No alarms Table 10 2 on page 10 5 lists the possible states of the alarm contacts...

Page 196: ...etected The fail alarm relay however is de energized when an alarm condition is detected to permit to detect a power failure the relay s power being immediately off This feature of the Hydran 201i System strengthens the security of the alarm system The fail alarm relay is thus energized NO contacts closed and NC contacts open if no alarm condition is detected 10 2 3 2 Latch Mode In this mode the r...

Page 197: ...see Section 12 1 on page 12 1 for details on the display of alarm messages see Section 4 2 1 on page 4 3 2 The status of the corresponding alarm relay changes The classic interface method consists in linking the relays alarm contacts of the Hydran 201Ci Controller or H201Ti to an alarm panel or any other SCADA system located in such a way that an alarm being triggered would immediately warn the op...

Page 198: ...201Ci 1 drop to 4 00 0 10 mA 7 A message is recorded in the H201Ti s History Events file Alarm messages are thus stored in memory The Events file can contain up to 500 messages Each message comes with a set of relevant parameters gas level trends etc and is identified with the recording date and time For details see Section 4 5 1 on page 4 12 10 4 GAS HIGH AND HIGH HIGH ALARMS Parameters pertainin...

Page 199: ... consult the Hydran 201Ti s historic data files using its keypad see Section 4 5 1 on page 4 12 or a host computer running the Hydran Host software Follow these rules Adjust the High set point above the highest reading that was obtained Adjust it low enough to detect the earliest sign of an abnormal increase of gas But set it at a value high enough to minimize unnecessary alarms Table 10 4 on page...

Page 200: ...eases the response time The readings of the Hydran 201i System should be monitored over a minimum period of two weeks before setting these parameters follow the same rules as for the gas High alarm see Section 10 4 1 1 on page 10 9 10 4 1 3 Daily Trend The daily trend alarm uses the following parameters DayTrAlr H and DayTrAlr HH Daily trend High and High High alarm set points DayTrAlr Delay The d...

Page 201: ...comes to detect slow and steady changes from fluctuating readings but are not as good to detect abrupt changes 2 The transformer s or other equipment past history and the user s field experience are the most important criteria for alarm settings If existing records of previous dissolved gas analysis DGA for the equipment monitored should be used to help determine alarm settings in general and espe...

Page 202: ...Trend Computations A unique computation method is used for both the hourly and daily trends In these compu tations the gas level reading is processed through a first order digital low pass filter the trend reading slope is then extracted using a first order digital high pass filter The time constants for both filters are set to 33 of the trend period for optimum results Table 10 5 on page 10 12 an...

Page 203: ...e High High alarm relay is set to the Normal or Latch mode the High High alarm is triggered the High High alarm relay is energized when one of the alarm conditions exceeds the corresponding High High alarm set point during a period of time exceeding its alarm delay Each alarm High and High High can be triggered by one or several of the following conditions for details see Section 10 1 1 on page 10...

Page 204: ...lay is de energized when one of the following alarm conditions occurs Supervisory link broken between the Hydran 201Ti and the Hydran 201Ci Controller This condition is the only one that affects only the fail alarm relay of the Hydran 201Ci 1 All other conditions affect the fail alarm relays of both the H201Ti and the H201Ci 1 ac power failure or partial failure power voltage too low for the H201T...

Page 205: ...fail alarm for these conditions is therefore triggered the same way than the gas High and High High alarms Low and Low Low alarms The fail alarm is triggered when one of the alarm conditions is below the corresponding alarm set point during a period of time exceeding its alarm delay High and High High alarms The fail alarm is triggered when one of the alarm conditions exceeds the corresponding ala...

Page 206: ...e presented in Table 10 9 on page 10 17 and set in the H201Ti s Service Battery and SysOK Relay FaultTrig submenus for explanations see Chapter 4 Description Priority Alarm Set Point Fault Trigger Alarm Message Low Low gas level Average GasAlr LL Gas LL Low gas level GasAlr L Gas L Low Low hourly trend HourTrAlr LL HourTrend LL Low hourly trend HourTrAlr L HourTrend L Low Low daily trend DayTrAlr ...

Page 207: ...s Fault Triggers 10 5 3 Fail Alarm Cancellation Note To be cancelled an alarm condition must disappear during a period of time exceeding the corresponding alarm delay if existing for this condition To cancel a fail alarm proceed as follows 1 Find and solve the problem for help see Section 10 5 2 on page 10 15 Description Priority Alarm Set Point Fault Trigger Alarm Message Low Low battery voltage ...

Page 208: ...an Host software For the procedure see Section 4 2 1 on page 4 3 and the Hydran Host Software Manual If the problem has been corrected during a period of time exceeding the corresponding alarm delay the alarm message then disappears from the H201Ti s display otherwise it simply stops flashing and remains on the display ...

Page 209: ...n 201i System s operating methods the periodic visual monitoring is the simplest If used the following routine must be an integral part of the on site station inspection Periodic visual reading once or twice a day of the gas level reading on the display of the Hydran 201Ti s or the Hydran 201Ci 1 For details on the various methods of data reading see Section 11 2 on page 11 5 On site verification ...

Page 210: ...other SCADA system located in the station s control room Continuous alarm monitoring Periodic visual reading weekly of the gas level on the display of the Hydran 201Ti s or the Hydran 201Ci 1 For details on the various methods of data reading see Section 11 2 on page 11 5 Manual logging of the gas level readings For details on the alarms and relays operation see Chapter 10 11 1 2 1 Method Drawback...

Page 211: ... system s response time must be short enough for the application s needs Safe storage of historic data in a format that allows easy analysis from a host computer 11 1 3 1 Method Drawbacks Analog outputs have the following disadvantages Analog outputs are generally sensitive to electric noise A special software must be used to compute the gas hourly and daily trends using noisy data It is not possi...

Page 212: ... at the same time important information is still confined to the Hydran 201Ti Accessing the H201Ti is still required to modify operation parameters The amount of cabling becomes an important issue For each H201Ti a minimum of four pairs of wires is required to connect the analog output the two gas alarms and the fail alarm To receive this information three digital inputs and one analog input must ...

Page 213: ...r running the Hydran Host software to a Hydran 201i System or to one or several network s of Hydran 201i Systems located at different locations through a telephone system and a modem link Remote monitoring offers the same features and benefits as local monitoring plus A modem can be connected to any Hydran 201i System in a local network The modem is typically installed in any of the local network ...

Page 214: ...ftware Manual The windows Network Survey and Real Time Log Set Up can be used to monitor the data of up to 128 H201Ti s 11 2 2 Historic Data Reading The historic data simply consists of information self explanatory message date and time of occurrence etc recorded by and within the Hydran 201Ti when an event happens alarm triggering parameter modification by the user etc or at fixed adjustable logg...

Page 215: ... for the Interpretation of Gases in Oil Immersed Transformers When interpreting the data of the Hydran 201i System take the following points in consid eration An alarm can be triggered because of a misadjusted alarm set point The historic data file Events indicates the modifications to the parameter settings see Section 11 2 2 on page 11 6 An alarm example Low gas level can be triggered following ...

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Page 217: ...DayTrend H See Section 12 1 5 on page 12 4 DayTrend HH See Section 12 1 6 on page 12 5 DayTrend L See Section 12 1 7 on page 12 5 DayTrend LL See Section 12 1 8 on page 12 6 Gas H See Section 12 1 9 on page 12 7 Gas HH See Section 12 1 10 on page 12 7 Gas L See Section 12 1 11 on page 12 7 Gas LL See Section 12 1 12 on page 12 8 HourTrend H See Section 12 1 13 on page 12 8 HourTrend HH See Section...

Page 218: ... 4 5 4 3 on page 4 20 BattAlr Delay Service VoltPile submenu Section 4 5 4 3 on page 4 20 Alarm cause s Battery voltage below the Batt Alr L alarm set point Replace the battery within the next nine months For details see Section 2 7 1 on page 2 15 12 1 2 Battery LL Alarm type Fail alarm Non abbreviated description Battery voltage Low Low Priority Low Parameter s involved Batt LL SysOK Relay FaultT...

Page 219: ...f connections is the one causing the alarm Verify whether the HeaterTemp value in the extended Temperature submenu displays 75 C 103 F If so the heating plate thermistor cable or a connector in the chain of connections is the one causing the alarm If the two above temperature readings are correct execute the ForceSensor Test command in the Service submenu If the result is different than Good the s...

Page 220: ...larm Non abbreviated description Daily trend High Priority Medium Parameter s involved DayTrAlr H alarm set point Gas DailyTrend submenu Section 4 5 2 3 on page 4 17 DayTrAlr Delay Gas DailyTrend submenu Section 4 5 2 3 on page 4 17 Alarm cause s Daily trend above the DayTrAlr H alarm set point Proceed as follows 1 Verify the daily trend calculated by the Hydran 201Ti This value is displayed in th...

Page 221: ...ubmenu to test the operation of the Hydran 201 sensor A problem may have occurred since the last automatic sensor test which is performed the first and fifteenth days of each month at midnight 12 1 6 DayTrend HH Alarm type Gas alarm Non abbreviated description Daily trend High High Priority High Parameter s involved DayTrAlr HH alarm set point Gas DailyTrend submenu Section 4 5 2 3 on page 4 17 Da...

Page 222: ... point is adequate This parameter was probably set to a value that is too high 3 Verify whether the breathing membrane of the H201Ti s enclosure item 4 in Figure 2 1 on page 2 3 and or the one of the Hydran 201 sensor see Figure 2 3 on page 2 6 are obstructed by paint grease or other products 4 Verify whether the valve on which the H201Ti is installed is open 5 Execute the ForceSensor Test command...

Page 223: ... Gas level High High Priority High Parameter s involved GasAlr HH alarm set point Gas GasLevel submenu Section 4 5 2 1 on page 4 16 GasAlr Delay Gas GasLevel submenu Section 4 5 2 1 on page 4 16 Alarm cause s Gas level above the GasAlr HH alarm set point Perform steps 2 to 5 in Section 12 1 5 on page 12 4 12 1 11 Gas L Alarm type Fail alarm Non abbreviated description Gas level Low Priority Medium...

Page 224: ...ourly trend High Priority Medium Parameter s involved HourTrAlr H alarm set point Gas HourlyTrend submenu Section 4 5 2 2 on page 4 16 HourTrAlr Delay Gas HourlyTrend submenu Section 4 5 2 2 on page 4 16 Alarm cause s Hourly trend above the HourTrAlr H alarm set point Proceed as follows 1 Verify the hourly trend calculated by the Hydran 201Ti This value is displayed in the Main Display mode see Se...

Page 225: ... HourTrAlr L alarm set point Gas HourlyTrend submenu Section 4 5 2 2 on page 4 16 HourTrAlr Delay Gas HourlyTrend submenu Section 4 5 2 2 on page 4 16 Alarm cause s Hourly trend below the HourTrAlr L alarm set point Probably indicates a gas level reading problem Proceed as follows 1 Verify the hourly trend calculated by the Hydran 201Ti This value is displayed in the Main Display mode see Section ...

Page 226: ...ow SysOK Relay FaultTrig submenu Section 4 5 7 on page 4 23 No set point nor delay Alarm cause s The sensor sensitivity has dropped significantly or the sensor is not functioning Replace sensor as soon as possible Note The Hydran 201Ti s H201 sensor is verified twice a month the first and fifteenth days of the month at midnight the relevant parameters are recorded in the historic data file Service...

Page 227: ... sensor not installed Priority Very high Parameter s involved None Alarm cause s Problem with the H201 sensor This message can only be displayed following the execution of a ForceSensor Test command see Section 4 5 4 2 on page 4 19 Proceed as follows 1 Ensure the serial numbers of the Hydran 201Ti located at the back of the heating plate and the H201 sensor located under the sensor connector corre...

Page 228: ...gh High Priority Medium Parameter s involved SensTemp HH SysOK Relay FaultTrig submenu Section 4 5 7 on page 4 23 STempAlr HH alarm set point Temperature submenu Section 4 5 3 on page 4 17 TempoAlr Delay Temperature submenu Section 4 5 3 on page 4 17 Alarm cause s Temperature of the Hydran 201 sensor above the STempAlr HH alarm set point Proceed as follows 1 The oil is probably too hot at the loca...

Page 229: ... affected by the temperature monitor its temperature regularly 12 1 23 SensTemp LL Alarm type Fail alarm Non abbreviated description Sensor temperature Low Low Priority Medium Parameter s involved SensTemp LL SysOK Relay FaultTrig submenu Section 4 5 7 on page 4 23 STempAlr LL alarm set point Temperature submenu Section 4 5 3 on page 4 17 TempoAlr Delay Temperature submenu Section 4 5 3 on page 4 ...

Page 230: ...r 5 1 4 is displayed Note Each time the Setup Lost alarm is triggered the BattAlr Delay parameter in the Service submenu see Section 4 5 4 3 on page 4 20 is reset This parameter must be set to the desired value after the alarm has disappeared 12 2 RS 232 AND OR RS 485 COMMUNICATIONS 12 2 1 No Communication When the Host Computer is Connected Directly or by Modem to the Hydran 201Ti s DB 9 Connecto...

Page 231: ... ID and PowerStat ID parameters identification numbers of the H201Ti s and the power station Communication submenu of all H201Ti s connected to the H201Ci Controller are identical to the ones indicated in the Hydran Host software 4 In the Hydran Host software ensure the specified communication port is valid COM1 COM2 etc 5 If the USB port is used ensure the specified communication port is identica...

Page 232: ...01CI CONTROLLER S ANALOG OUTPUTS AT ZERO 1 If the fail alarm is triggered the H201Ci Controller s display is blank and the analog outputs have dropped to zero read the alarm message on the H201Ti s display to identify the cause of the alarm Then see Section 12 1 on page 12 1 2 Verify the fuses and power supply of the H201Ci Controller and H201Ti 3 Verify the connections of the TDM signal at both e...

Page 233: ... page 12 1 12 5 3 Intermittent Gas Alarms Are Occurring 1 Alarm set points are too low Consult the Hydran 201Ti s historic data files Short Term and Long Term 2 Compare the set points with the variations of gas level hourly trend and daily trend 3 Verify the H201Ti s gas alarm delays 12 5 4 An Alarm Relay Does Not Reset Even If the Alarm Condition Has Disappeared 1 The corresponding alarm delay ha...

Page 234: ...u to test sensor operation 5 Verify the value of the HourlyTr Period parameter period of the hourly trend Gas HourlyTrend submenu 6 Verify the value of the DailyTr Period parameter period of the daily trend Gas DailyTrend submenu 7 Verify the value of the Period B parameter Temperature DynOil Sampl submenu 8 Verify the parameters pertaining to the sensor temperature Temperature submenu 9 Consult G...

Page 235: ...t command Relays Analog submenu to test the sensor operation 6 Verify the parameters pertaining to the sensor temperature Temperature submenu 7 Consult General Electric Canada to optimize the value of the parameters and the location of the H201 sensor 12 5 7 Gas Level Reading Is Abnormally High See Section 12 1 9 on page 12 7 12 5 8 Gas Level Reading Is Slowly Decreasing Toward Zero See Section 12...

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Page 237: ...oftware If not reviewing the previous chapters helps in performing maintenance routines Also consult the Hydran Host Software Manual Table 13 1 on page 13 2 summarizes the maintenance routines and their frequency Each routine is explained in detail in the Section indicated in the table CAUTION WARNING All procedures in this manual must be strictly adhered to Any deviation from these could cause ir...

Page 238: ... 2 2 on page 6 7 Parameter verification alarm set points etc Alarm relays verification Section 6 2 4 on page 6 9 Verification of sensor testsa Section 6 2 6 on page 6 12 Analog output verification if connected Section 6 2 8 on page 6 14 a The H201Ti s sensor is tested automatically twice a month and the results are stored in the historic data file Service Annually or on fail alarm Hydran 201Ci Con...

Page 239: ...Change the values if necessary 4 Examine every alarm setting Change the values if necessary Note Alarm settings should be modified by authorized personnel only 13 2 DISSOLVED GAS ANALYSIS DGA Frequency Annually minimum or on alarm The dissolved gas analysis DGA is the reference method used to determine the exact level of dissolved gases in oil A DGA should be performed at least once a year To veri...

Page 240: ...between the actual and the calculated readings should fall within the technical specifications of the Hydran 201i System Table 13 2 Examples of Gas Reading Comparisons Between a DGA and a Hydran 201Ti 13 3 HYDRAN 201TI VERIFICATION Frequency Annually or on fail alarm Note Alarms are triggered during this verification procedure Please warn the appropriate personnel Dissolved Gas Analysis DGA ppm H2...

Page 241: ...age 6 8 6 Verify the four parameters in the History HistoSetup submenu Section 4 5 1 5 on page 4 15 If they must be adjusted see Section 6 4 2 on page 6 31 7 Verify the parameters in the Gas submenu Section 4 5 2 on page 4 16 If they must be adjusted see Section 6 4 3 on page 6 31 8 Verify the parameters in the Temperature submenu Section 4 5 3 on page 4 17 If they must be adjusted see Section 6 4...

Page 242: ...nd the other parameters in the Service Battery submenu Section 4 5 4 3 on page 4 20 by performing the procedure in Section 6 2 5 on page 6 12 If they must be adjusted see Section 6 4 7 on page 6 33 15 Verify the sensor serial number and perform a sensor test as described in Section 6 2 6 on page 6 12 16 If the analog output is used connected to a SCADA system verify it by performing the procedure ...

Page 243: ...tion 8 2 3 on page 8 4 6 If the H201Ci 1 is not currently in operation and if its alarm contacts are used connected to a SCADA system verify the alarm indicators and relays by performing the procedure in Section 8 2 4 on page 8 6 7 Verify the RS 232 or USB and RS 485 communications by performing the procedure in Section 7 2 3 on page 7 4 13 5 FUSE The Hydran 201Ti the Hydran 201Ci C and the Hydran...

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Page 245: ...uivalent other ranges are available Accuracy For 0 2 000 ppm range 10 of reading 25 ppm H2 equivalent Relative Sensitivity H2 100 of concentration CO 18 3 of concentration C2H2 8 2 of concentration C2H4 1 5 0 5 of concentration Response Time 10 minutes 90 of step change External Sampling Port Designed for glass syringe with Luer stop cock closed with 5 32 in Allen screw ELECTRONIC UNIT Hardware Mi...

Page 246: ...age 5 45 C 41 113 F Note At low temperatures the LCD display might not be legible but all other functionalities are fully operational Oil Pressure Vacuum resistant sensor withstands 0 700 kPa 0 100 psi Power Supply Rated voltage 90 132 Vac or 180 264 Vac 47 63 Hz Rated power 475 VA maximum Standards Met CISPR 11 Measurement of radiated and conducted emissions IEC 60068 2 1 Environmental testing at...

Page 247: ...ical specifications However the information contained in these technical specifications is subject to change without notice and does not represent a commitment on the part of General Electric Canada Weight Installed 5 6 kg 12 lb Shipping 6 9 kg 15 lb Hydran Host Software Supports all H201Ti functions plus networking and embedded software upgrading available in Microsoft Windows version ...

Page 248: ...ntacts None COMMUNICATIONS NETWORKING Supervisory Link Connects with one H201Ti 2 000 V RMS isolated A 2 twisted pairs 16 or 18 AWG cable with overall shield is required per H201Ti Maximal length all cables added up 1 200 m 4 000 ft Power supply Separate isolated impedance protected 15 Vdc RS 485 Local Network Link Isolated Standard RS 485 communication port allows daisy chaining of up to 32 H201C...

Page 249: ...g at cold temperature IEC 60068 2 2 Environmental testing at dry heat temperature IEC 60255 5 Insulation coordination for measuring relays and protection equipment EN 61000 4 2 ESD immunity EN 61000 4 3 Radiated electromagnetic field immunity radio frequencies EN 61000 4 4 Electrical fast transient burst immunity EN 61000 4 5 Surge immunity EN 61000 4 6 Immunity to conducted disturbance induced by...

Page 250: ... and display is blanked Alarm Contacts Gas High gas High High and Fail One NO and one NC contacts type C per alarm 1 250 VA 240 Vac rated current 5 A Illuminated Push Buttons Alarm Indicators 2 illuminated door mounted push buttons gas High and High High alarms Latched on when corresponding alarm condition is detected Turned off by pushing button when alarm condition is cleared COMMUNICATIONS NETW...

Page 251: ...diated and conducted emissions IEC 60068 2 1 Environmental testing at cold temperature IEC 60068 2 2 Environmental testing at dry heat temperature IEC 60255 5 Insulation coordination for measuring relays and protection equipment EN 61000 4 2 ESD immunity EN 61000 4 3 Radiated electromagnetic field immunity radio frequencies EN 61000 4 4 Electrical fast transient burst immunity EN 61000 4 5 Surge i...

Page 252: ...Appendix A Technical Specifications for the Hydran 201i System A 8 Rev 6 March 2011 Part 17997 PAGE LEFT INTENTIONALLY BLANK ...

Page 253: ...ELLIGENT TRANSMITTER Figure B 1 Hydran 201Ti Dimensions 180 8 mm 7 1 8 in 131 6 mm 5 3 16 in 203 mm 8 in 47 6 mm 1 7 8 in 186 mm 7 3 in 186 mm 7 3 in H201 SENSOR H201Ti V2 2x MainMenu TRANSFORMER VALVE FULL BORE GATE OR BALL VALVE 25 4 to 76 2 mm 1 to 3 in Figure B 2 Hydran 201 Sensor ...

Page 254: ...Appendix B Mechanical Drawings B 2 Rev 6 March 2011 Part 17997 Figure B 3 1 5 In Adaptor ...

Page 255: ...Hydran 201Ti Intelligent Transmitter Part 17997 Rev 6 March 2011 B 3 Figure B 4 1 In Adaptor ...

Page 256: ...Appendix B Mechanical Drawings B 4 Rev 6 March 2011 Part 17997 Figure B 5 2 In Adaptor Figure B 6 Finned High Temperature Adaptor ...

Page 257: ...2 1 2 in 49 2 mm 1 15 16 in 49 2 mm 1 15 16 in REF 157 7 mm 6 3 16 in REF 101 6 mm 4 in MOUNTING BOLTS LOCATION 88 9 mm 3 1 2 in INSTALL WITH 4 MOUNTING BOLTS 6 mm 1 4 in REF 349 3 mm 13 3 4 in REF 411 1 mm 16 3 16 in 390 5 1 6 mm 15 3 8 1 16 in OPTIONAL VIBRATION ABSORBING RUBBER PAD 4 REQUIRED REF 4 7 mm 3 16 in 34 9 mm 1 3 8 in 28 6 mm 1 1 8 in 95 3 mm 3 3 4 in CONNECTOR HOLE 3 DIAM 28 6 mm 1 1...

Page 258: ...49 2 mm 1 15 16 in 49 2 mm 1 15 16 in REF 157 7 mm 6 3 16 in REF 101 6 mm 4 in MOUNTING BOLTS LOCATION 88 9 mm 3 1 2 in INSTALL WITH 4 MOUNTING BOLTS 6 mm 1 4 in REF 349 3 mm 13 3 4 in REF 411 1 mm 16 3 16 in 390 5 1 6 mm 15 3 8 1 16 in OPTIONAL VIBRATION ABSORBING RUBBER PAD 4 REQUIRED REF 4 7 mm 3 16 in 34 9 mm 1 3 8 in 28 6 mm 1 1 8 in 95 3 mm 3 3 4 in CONNECTOR HOLE 3 DIAM 28 6 mm 1 1 8 in CON...

Page 259: ...isolated regulator RS 485 RS 422 J4 4 20 mA output J3 Sensor test relay High alarm relay High High alarm relay Fail relay Opto isolator Heater driver J5 Alarm terminal block J2 J7 LED LED LED LED Power drivers Real time clock watchdog Lithium battery PLD Address decoder Memory program flash RAM memory battery History memory battery Liquid crystal display 2 x 16 characters backlit Temperature compe...

Page 260: ... 1 MHz crystal Communication timers 5 V isolated regulator RS 485 DS12 15 V isolated supply J15 J13 J14 To supervisory link No 3 To supervisory link No 4 To supervisory link No 1 Regulated power supply of Controller Voltage Selector Line filter Terminal block 115 230 Vac 50 60 Hz 5 V RS 485 link network Serial communication Communication PLD Opto isolators J12 To supervisory link No 2 Figure C 2 F...

Page 261: ... DS11 Fail relay DS10 High alarm relay DS9 High High a relay larm Part of main terminal block Power drivers To alarm panel or retransmission unit LED Alarm indicator LED Alarm indicator Alarm 1 latch Alarm 2 latch High High High Alarm 1 door mounted indicator Alarm 2 door mounted indicator Display amplif Display disable Output disable Output amplif Config amplif PWM to analog converter 0 1999 ppm ...

Page 262: ...Appendix C Functional Block Diagrams C 4 Rev 6 March 2011 Part 17997 PAGE LEFT INTENTIONALLY BLANK ...

Page 263: ...d 947 3 L2 N Neutral or Line2 JP0 2 through line filter Other side of ac supply E G Chassis ground Module chassis and JP0 3 Ground wire of ac supply Protective ground Terminal Description From Internal To External Comments 1 Fail NCa no alarm open a NC Normally Closed contact is closed when the relay is NOT energized J5 1 Wired by the user to a SCADA or RTU Relay rating resistive 5 A 1 250 VA 240 ...

Page 264: ... V 180 264 Vac 47 63 Hz Terminals Description From Internal To External Comment J2 1 and J2 5 Heater A Power board Heating plate Heater resistance 81 each J2 4 and J2 6 Heater B J2 2 and J2 3 Thermostat Thermostat Terminal Description To Internal From External J1 4 Sensor cell Cell amplifier Sensor cable black J1 3 Sensor cell Sensor cable brown J1 2 Sensor thermistor Sensor thermistor amplifier S...

Page 265: ...Must be connected to any H201Ci Controller 4 Serial data I O 5 Loop supply input Isolated 5 Vdc regulator input J4 5 and J4 6 Isolated 15 V link supply output Isolated power supply built into H201Ci Controller 6 Loop supply input 7 4 20 mA analog current OUT Current loop J3 2 Wired by the user to a SCADA or RTU 4 20 mA 0 2 000 ppm 500 maximum 8 4 20 mA analog current OUT Current loop J3 3 Sh 1 Sup...

Page 266: ... connector is wired as in a PC Cross wires 2 and 3 when connecting to a PC do not cross wires 2 and 3 when attaching a modem Only wires 2 3 and 5 are needed to communicate 3 TxD transmits data From H201Ti 5 GND signal ground 1 4 6 9 DCD DTR DSR and RI wired together 7 8 RTS and CTS wired together Figure D 1 Wiring Diagram for Active Current Output Figure D 2 Wiring Diagram for Passive Current Outp...

Page 267: ...ive side of auxiliary ac supply No fuse installedb 5 AuxiliaryNeutral or Line2a J2 2 ac supply connector Other side of auxiliary ac supply 6 AuxiliaryChassis ground earth a J2 3 ac supply connector Ground wire of auxiliary ac supply 7 Not used 8 9 Serial data I O unit No 4 J14 3 supervisory link connector No 4 Isolated RS 485 transceiver Must be connected to H201Ti 10 Serial data I O unit No 4 J14...

Page 268: ...5 LAN J11 3 RS 485 LAN connector Isolated RS 485 transceiver Must be connected to other H201Ci C or H201Ci 1 22 Serial data I O RS 485 LAN J11 4 RS 485 LAN connector 23 RS 485 LAN ground J11 2 RS 485 LAN connector Isolated 5 Vdc regulator input Direct ground connection 24 Cable shield J11 1 RS 485 LAN connector 25 Not used 26 27 28 29 Serial data I O unit No 2 J12 3 supervisory link connector No 2...

Page 269: ...supervisory link connector No 1 Isolated 5 Vdc regulator input Isolated supply built into H201Ci 39 Loop supply input J15 1 supervisory link connector No 1 40 Cable shield Chassis Supervisorylinkcable shield of unit No 1 Direct ground connection a Wires have a maximum section of 2 5 mm2 b An isolating double pole breaker must be installed in accordance with IEC 947 1 and 947 3 standards Voltage Se...

Page 270: ... data From H201Ci C 5 GND signal ground 1 4 6 9 DCD DTR DSR and RI wired together 7 8 RTS and CTS wired together Terminal Description From internal To external Comments 1 Line or Line1a J2 1 ac supply connector Live side of ac supply F11 fuse 5 A 250 Vc 2 Neutral or Line2a J2 2 ac supply connector Other side of ac supply 3 Chassis ground earth a Connect the P E to the chassis not to the Main Termi...

Page 271: ...larm contacts connector 14 System Fail Common J18 2 alarm contacts connector 15 System Fail NC open when no alarm J18 1 alarm contacts connector 16 Not used 17 4 20 mA analog current OUT J22 2 analog outputs connector Wired by the user to a recorder display or RTU Active output See Figure D 1 on page D 4 Passive output See Figure D 2 on page D 4 18 4 20 mA analog current OUT J22 3 analog outputs c...

Page 272: ...6 Serial data I O J15 3 supervisory link connector Isolated RS 485 transceiver 37 Serial data I O J15 4 supervisory link connector 38 Loop supply input J15 5 supervisory link connector Isolated 5 Vdc regulator input Isolated supply built into H201Ci 39 Loop supply input J15 6 supervisory link connector 40 Cable shield Chassis Supervisory link cable shield Direct ground connection a Wires have a ma...

Page 273: ...c 47 63 Hz Terminal Name Direction Comments 2 RxD receives data To H201Ci 1 The DB 9 connector is wired as in a PC Cross wires 2 and 3 when connecting to a PC do not cross wires 2 and 3 when attaching a modem Only wires 2 3 and 5 are needed to communicate 3 TxD transmits data From H201Ci 1 5 GND signal ground 1 4 6 9 DCD DTR DSR and RI wired together 7 8 RTS and CTS wired together Figure D 3 Wirin...

Page 274: ...Appendix D Terminal Blocks and Connectors D 12 Rev 6 March 2011 Part 17997 Note The cable shield must be connected to the enclosure ground at only one end ...

Page 275: ...e alarm turned on BattDelay chg Modification of the battery voltage alarm s delay BaudRate c Modification of the transmission rate bits per second CableOpen OFF Open cable alarm turned off CableOpen ON Open cable alarm turned on CableShort OFF Short circuit cable alarm turned off CableShort ON Short circuit cable alarm turned on CommMode chg Modification of the communication mode Date Time chg Mod...

Page 276: ... GasAlr L OFF Gas level Low alarm turned off GasAlr L ON Gas level Low alarm turned on GasAlr LL chg Modification of the gas level Low Low alarm s set point GasAlr LL OFF Gas level Low Low alarm turned off GasAlr LL ON Gas level Low Low alarm turned on GasDelay chg Modification of a gas level alarms delay H201 ID chg Modification of the H201Ti s identification number HistoEvent Clr Historic data f...

Page 277: ...nternal error No 3 InternalErr 4 Internal error No 4 InternalErr 5 Internal error No 5 NewSensor Installation of a new sensor Period A chg Modification of the Period A parameter Period B chg Modification of the Period B parameter PowerDown Power down of H201Ti PowerUp Power up of H201Ti PowStat ID chg Modification of the power station s identification number ProgRam Bad RAM memory test of program ...

Page 278: ...n of the sensor temperature Low alarm s set point STempAlr L ON Sensor temperature Low alarm turned on STempAlr LL chg Modification of the sensor temperature Low Low alarm s set point STempAlr LL ON Sensor temperature Low Low alarm turned on STempDelay chg Modification of the sensor temperature alarm s delay STemp H OFF Sensor temperature High alarm turned off STemp HH OFF Sensor temperature High ...

Page 279: ...iod B Hours 24 Low Low alarm ppm 5 Disabled Low alarm ppm 15 Disabled High alarm ppm 250 Enabled High High alarm ppm 500 Enabled Alarms delay Minutes 10 Hourly trend Trend period Hours 24 Low Low alarm ppm period 20 Disabled Low alarm ppm period 10 Disabled High alarm ppm period 10 Enabled High High alarm ppm period 20 Enabled Alarms delay of period 33 Daily trend Trend period Days 30 Low Low alar...

Page 280: ...delay Minutes 30 Battery Low Low alarm Volt 2 45 Enabled Low alarm Volt 2 75 Enabled Alarms delay Hours 50 Historical data acquisition Short term log rate Minutes 15 Long term log time 1 00 00 Long term log time 2 06 00 Enabled Long term log time 3 12 00 Enabled Long term log time 4 18 00 Enabled Communications CommChannel Supervisory Link DefaultChannel Supervisory Link CommMode Call OnAlarm Baud...

Page 281: ...w Low hourly trend Disabled Low hourly trend Disabled Low Low daily trend Disabled Low daily trend Disabled Low Low sensor temperature Enabled Low sensor temperature Enabled High sensor temperature Enabled High High sensor temperature Enabled Low Low battery Enabled Low battery Enabled CableShort Enabled Replace SensSoon Enabled Replace SensNOW Enabled CableOpen Enabled Category Parameter Unit Val...

Page 282: ...Appendix F Default Values of the Parameters F 4 Rev 6 March 2011 Part 17997 PAGE LEFT INTENTIONALLY BLANK ...

Page 283: ...puts can be converted to current inputs by shunting their input terminals with an appropriate resistor The resistor value is calculated as follows Resistor 50 x input voltage range in volts of recording device Example A chart recorder with an input range of 1 V uses a 50 1 1 W resistor across the recorder input G 2 CONVERTING PPM TO MA OR VICE VERSA To convert mA milliamperes into ppm or vice vers...

Page 284: ...Appendix G Unit Conversions G 2 Rev 6 March 2011 Part 17997 PAGE LEFT INTENTIONALLY BLANK ...

Page 285: ... itself should fill the syringe If not slowly pull the syringe s plunger 6 When the syringe contains enough oil 35 mL for a DGA shut the bleed screw 7 Close the stopcock valve of the syringe 8 Withdraw the syringe 9 Empty the syringe make sure to purge all air bubbles from the syringe This first extraction allows to wet the inner walls of the syringe with liquid to assure better accuracy of sampli...

Page 286: ...Appendix H Extracting an Oil Sample H 2 Rev 6 March 2011 Part 17997 Figure H 1 Extracting an Oil Sample From the Hydran 201 Sensor s Sampling Port Using a Glass Syringe and a 5 32 In Allen Key ...

Page 287: ...f the electrical equipment to monitor typically a transformer Alarm Operating condition occurring when a data point value exceeds the parameter s alarm set point Alarm Contact Terminal used as interface between the alarm relays of the Hydran 201i System and any SCADA system alarm panel etc Analog Output Analog signal that is proportional to the gas level reading performed by the Hydran 201Ti Analo...

Page 288: ...n diOxide COM Serial COMmunication port on a PC Combustible Gas Fault gas in the dielectric oil of a transformer CPU Central Processing Unit CSA Canadian Standards Association D A Digital to Analog converter An electronic device often an integrated circuit that converts a finite set of discrete values into an equivalent electrical quantity such as voltage or current Many analog instruments use a D...

Page 289: ...r Normung a german standards institute DVM Digital VoltMeter EC Electronic Controller the Intel Pentium PC responsible for data acquisition transfer storage interpretation and communications EEC European Economic Community E G Earth Ground Embedded Software Small program that runs inside the Hydran 201Ti It manages the dynamic oil sampling system monitors alarm conditions triggers alarms displays ...

Page 290: ... contact status on off FIFO First In First Out The first data into a memory buffer is the first data out of the buffer Gas Level Composite value of four dissolved gases in transformer oil measured by the Hydran 201 sensor GE General Electric GND GrouND earth a common reference point in an electric or electronic circuit GUI Graphical User Interface the graphical layout designed to enable user inter...

Page 291: ...r Hydran 201Ti s The Hydran 201Ci C does not have a numerical display analog outputs or alarm contacts it is meant only as an interface between the Hydran 201Ti s and the host computer running the Hydran Host software Abbreviated to H201Ci C Hydran 201i System Continuous on line combustible gas in oil monitor taking the form of either a Hydran 201Ti used alone or the combination of at least one Hy...

Page 292: ...cessor to work with and making the results available to the user through communication channels such as the display a disk drive or a printer Isolated Output Output signal where a common reference is not connected to either input terminal kVA KiloVolt Ampere L or Lo Low alarm Lab Data Manually entered gas sample data obtained from laboratory results LAN Local Area Network a group of computers and ...

Page 293: ...l treelike structure MHz MegaHertZ a unit of frequency equal to one million cycles per second Modem MOdulator DEModulator a communication device connecting data terminal equipment to an analog or digital line A modem transforms digital signals into an analog signal suitable for transmission over telephone lines This is the heart of computer telecom munications The main factor that differentiates m...

Page 294: ... the transformer PC Personal Computer a computer typically based on an Intel microprocessor and capable of receiving network cards modems data acquisition boards etc PCB Printed Circuit Board PDF Portable Document Format PLC Programmable Logic Controller P N Part Number POT POTentiometer ppm Part Per Million representing the concentration of a gas in transformer oil PVC PolyVinyl Chloride a plasti...

Page 295: ...of time and over a narrow temperature range Response Time For a measuring instrument designates the time between the application of a step input signal and the indication of its magnitude within a rated accuracy For a sourcing instrument designates the time between a programmed change and the avail ability of the value at its output terminals RFI Radio Frequency Interference RMS Root Mean Square R...

Page 296: ...ge SSR Solid State Relay Submenu A branch of the treelike structure of a menu Supervisory Link Cable connecting a Hydran 201Ti to a Hydran 201Ci Controller TB Terminal Block TDM Time Division Multiplexing a method of coding and transmitting information Teflon polyTEtraFLuOrethyleNe Termination board Terminal block used to connect the supervisory link TM TradeMark Transformer Oil Highly refined min...

Page 297: ...ktrotechniker a german standards institute V I Voltage to current Vibration Absorbing Rubber Pad Device used to protect a Hydran 201Ci Controller against vibrations V RMS Volt Root Mean Square W Watt WAN Wide Area Network a communication network using telephone lines or other telecommunication devices to link computers in geographically separated areas Watchdog Process used periodically to test if...

Page 298: ...Appendix I Glossary I 12 Rev 6 March 2011 Part 17997 PAGE LEFT INTENTIONALLY BLANK ...

Page 299: ......

Page 300: ...694 3637 F 1 514 694 9245 transformermonitoring ge com www ge com energy GE Customer Service Center 24 hours a day 365 days a year T 800 361 3652 United States and Canada T 1 403 214 4600 worldwide ge4service ge com GE Energy Services Digital Energy Energy Services Digital Energy ...

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