GE TRANSFIX DGA 500 User Manual Download Page 1 | Manualshive

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GEDE-GA_M-DLIS-SR.MA-014

Rev 1.1

13-Oct-15

GE

Digital Energy

TRANSFIX

™

DGA 500

User Guide

Transformer Oil
Dissolved Gas and Moisture Monitor

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Summary of Contents for TRANSFIX DGA 500

Page 1: ...GEDE GA_M DLIS SR MA 014 Rev 1 1 13 Oct 15 GE Digital Energy TRANSFIX DGA 500 User Guide Transformer Oil Dissolved Gas and Moisture Monitor ...

Page 2: ...Procedure 11 6 LCD Display Panel 12 6 1 LCD Information Notices 13 6 1 1 Startup 13 6 1 2 Manual Measurements 14 6 1 3 Further System Specifications 15 6 2 Error Codes 17 7 Manual Oil Sampling 20 7 1 Sampling Arrangement 20 7 2 Sampling Process 21 8 Air Filter Cleaning 22 9 Oil Filter Cleaning 24 10 Communications 25 11 Modbus Protocol 25 12 Service Logs 25 13 Technical Support 25 Appendix A Time ...

Page 3: ...rement 14 Figure 6 8 Stop a measurement 14 Figure 6 9 Measurement data 15 Figure 6 10 Communication channels 16 Figure 6 11 Networking 16 Figure 6 12 GSM GPRS modem 16 Figure 7 1 Manual sampling arrangement 20 Figure 7 2 Product fitted with manual sampling arrangement 20 Figure 7 3 PTFE tubing 20 Figure 7 4 Manual oil sampling process 21 Figure 8 1 Air filter 22 Figure 8 2 Product showing side hoo...

Page 4: ... extract target gases from the oil sample No consumables such as carrier gases are required Accurate results are available as often as once per hour Minimal maintenance Uses highly accurate and stable Photo acoustic Spectrographic technology Fully embedded microprocessor with non volatile internal memory storage for 10 000 records Stainless steel outdoor rated IP55 enclosure connected to the trans...

Page 5: ...d in a manner not specified by the manufacturer the protection provided by the equipment may be impaired If working at height third parties must have received appropriate training for working at height prior to work commencing This includes but is not limited to Working at height training If working at a height greater than 4 feet or at a height greater than that stipulated by national or site reg...

Page 6: ... may commission GE products Commissioning tasks include making any connections and or performing any work within the enclosure or performing tasks such as purging the oil circuit between the transformer and the product and or all first start up procedures relating to equipment or firmware software The product provides IP55 level water spray protection It is possible for a water deluge system to ex...

Page 7: ... 500 AC only 115 230 V AC 4 factory set 50 60 Hz 8 A Max Single phase Alarm Relays NO and NC provided 4 3 A 250 V AC 150 mA 300 V DC 200 mA 125 V DC 3 A 30 V DC Fuses 6 10 A 500 V Cooper Bussmann BAF 10x38 mm DGA 500 Universal Power Supply Nominal voltage 100 230 V AC 5 A Max 100 220 V DC 5 A Max Voltage range 90 253 V AC 90 242 V DC Frequency 45 65 Hz Single phase Alarm Relays NO and NC provided ...

Page 8: ...N 61000 4 5 III Surge Immunity EN 61000 4 6 III Conducted RF Immunity EN 61000 4 8 IV V Magnetic Field Immunity IEC 61000 4 9 X Pulsed Magnetic Field Immunity IEC 61000 4 10 X Damped Oscillatory Magnetic Field Immunity EN 61000 4 11 III Voltage Dips Interruptions IEC 61000 4 12 X 2 5 kV 1kV Oscillatory Wave IEC 61000 4 18 X Damped Oscillatory Wave EN 61000 3 3 Pst 10 min Plt 120 min Voltage fluctu...

Page 9: ... Off Normal On Alarm On On Caution On On Service Flashing 5 2 Cold Start If the product is powered up in cold conditions less than 10 C the internal heaters automatically switch on to increase the internal temperature to within the PGA operational temperature range before a measurement can commence The main DC power supply remains off until the working temperature reaches 10 C after which the DC p...

Page 10: ...ack up the product data contact your GE representative 2 Open the inner door to locate the battery on the system board as shown in Figure 5 3 3 Slide the battery out of its housing 4 Replace with a new Panasonic CR2450 3 V 620 mAh coin cell 5 Close the inner door There is a danger of a new battery exploding if installed incorrectly Dispose of the used battery in accordance with local regulations n...

Page 11: ...4 Standby mode Figure 5 5 Operation mode 3 If for example as shown in Figure 5 5 the product is in Operation mode perform the following steps Press the red Stop button Figure 5 4 or use the TransConnect software to stop an active measurement The LCD reads OIL DRAINING This process may take several minutes Turn the external switch or circuit breaker to the Off position Turn the transformer oil valv...

Page 12: ...hown on the display panel see Figure 6 2 for an example The middle line indicates the state within the measurement process at which the error occurred denoted by a double digit code For example 02 indicates an error in the oil purging state The last line indicates the errors in that state denoted by a sequence of double digits codes each representing a specific error For example 18 means that the ...

Page 13: ...tre Figure 6 3 Boot 6 1 1 2 Version If the boot sequence is successful a Version notice reflects the product name serial number firmware version and PGA version as shown in Figure 6 4 Use the black scroll buttons at any time to page through the various information notices and data pages including existing measurement results or Figure 6 4 Version 6 1 1 3 Standby An information notice indicates the...

Page 14: ...Manual Measurements 6 1 2 1 Start a Manual Measurement Use the blue Start button to initiate a manual measurement on the main tank The timer automatically counts down from 10 seconds and then indicates the start of a manual measurement as shown in Figure 6 7 Figure 6 7 Start a manual measurement 6 1 2 2 Stop a Measurement Use the red Stop button to abort an active measurement After any remaining o...

Page 15: ...or example default configuration details are shown in Figure 6 10 such as the interface protocol baud rate modbus address and parity error checking format MAIN LAST MEASUREMENT 2015 04 02 12 48 10 MAIN Hydrogen ppm Methane ppm CarbonMono ppm MAIN Ethylene ppm Acetylene ppm TDCG ppm MAIN Water ppm MAIN NHC None MAIN Amb Temp 0 1 C Oil Temp 38 3 C Oil Press 97 1 kPa MAIN AIN 1 1 111xxx MAIN NEXT MEA...

Page 16: ...onfiguration of the product For example if a GSM GPRS modem is fitted additional page s as shown in Figure 6 12 reflect the communications provider signal strength and any problems Figure 6 12 GSM GPRS modem Notes a Actual product values depend on the installation at any moment in time b Actual parameter format can vary e g CO or Carbon Monoxide c See Section 6 2 for a list of defined error codes ...

Page 17: ...equency outside of the expected frequency The product will abort the measurement 03 PGA IR source outside range The infrared energy source feedback is outside of the expected range indicating the infrared energy source is either too weak or too strong The product will abort the measurement 04 Gas flow lower than limit The flow of gas internal to the product is lower than expected The product will ...

Page 18: ... N2 blanketed transformer The product will abort the measurement 19 Oil pressure too high The oil pressure internal to the product is above the expected range This can be due to a blockage on the return side of the oil circuit often a closed valve or clogged filter The product will abort the measurement 20 Oil pump tacho count too high The number of pump cycles needed to either fill or drain the h...

Page 19: ... product is not receiving a signal from one or more of the vital temperature sensors The product will abort the measurement 28 Temperature Sensor s 2 disconnected The product is not receiving a signal from one or more of the less vital temperature sensors The product will complete the measurement The final values may not be reliable ...

Page 20: ...ve gloves such as nitrile rubber Perform the manual oil sampling according to the sampling process outlined in Figure 7 4 GE recommends the use of a 50 ml ground glass syringe Manual oil sampling shall be performed while the product is in Standby mode either wait until the product returns to Standby mode or force the product to stop the current measurement cycle using the TransConnect software The...

Page 21: ...he product returns to Standby mode remove the plug from the in ball valve 4 Take the PTFE tubing and connect it to the in ball valve see Figure 7 2 to Figure 7 3 5 Remove the Luer fitting cap from the other end of the PTFE tubing and attach the supplied stopcock 6 Connect the remaining oil sampling equipment to the stopcock e g syringe and perform the oil sampling 7 Open the in ball valve to allow...

Page 22: ...l switch before opening the inner door on the right Isolate any other power sources to the system board relays and apply LOTO 2 If a cable tie is fitted to the filter holder as shown in Figure 8 1 first carefully remove it Remove the filter holder by pulling off the black snap off cover to the filter 3 If the filter mat is just dusty clean it with dry compressed air or by beating it against a hard...

Page 23: ... Remove the filter holder by pulling off the black snap off cover to the filter 3 If the filter mat is just dusty clean it with dry compressed air or by beating it against a hard clean surface 4 If the filter mat is oily clean it with mild detergent and water and then dry it thoroughly 5 Replace the filter mat and snap the cover back in place Note The cable tie only secures the filter holder durin...

Page 24: ...s in progress press the red Stop button This will abort the measurement process and return the product to Standby mode Power off the product at the external switch or circuit breaker once it is in Standby mode 2 Remove the 1 in nut that secures the filter housing using a suitable wrench Care must be taken because there is also a spring behind the filter Note A little oil may leak out 3 Remove the ...

Page 25: ...col for all TRANSFIX family products 12 SERVICE LOGS Service logs can be obtained by using either the Kelman Download utility or the Perception transformer monitoring software v1 12 or later See the Downloading service logs section in the Perception User Guide 13 TECHNICAL SUPPORT For technical support please contact the GE Customer Service Center Available 24 hours a day 365 days a year 1 800 361...

Page 26: ...th this data format The time registers can be written separately in 5 seconds interval in any order This feature is available starting TransfixHost v1 12 4 A 2 UNIX Epoch register A UNIX Epoch register was added to the host board firmware v1 12 2 to make systems integration easier in cases of system incompatibility Both register formats BCD UNIX will be maintained in future firmware versions and b...

Page 27: ...ith access flags The register map details the relevant access flags for each register Each register may have one or more access flags separated by commas Table A 3 lists the supported access flags Table A 3 Access flags Access flags may be modified with the addition of the modifier flags listed in Table A 4 Table A 4 Modifier flags Flag Access Description u User Only accessible if the master is au...

Page 28: ...ption are trademarks of the General Electric Company IEC is a registered trademark of Commission Electrotechnique Internationale Panasonic is a registered trademark of Panasonic Corporation Modbus is a registered trademark of Schneider Automation Inc UNIX is a registered trademark of The Open Group in the US and other countries Windows and Windows XP are either registered trademarks or trademarks ...

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