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GE DGT-D Instruction Manual Download Page 55

CHAPTER 6: TROUBLESHOOTING

CORRECTIVE ACTION

DGT DISTRIBUTED GENERATION TRIP CONTROL SYSTEM – INSTRUCTION MANUAL

6–51

DGT-D

Observed Status

Meaning

Corrective Action

PWR (Power) LED Off

No power to DGT-D Re-check power source and wiring to the 

terminal block.

LINK LED Off

No wireless 

connectivity to DGT-

R

•

Check that the DGT-R is powered on 
and fully operational§

•

Check that the DGT-D antenna is 
properly aimed at the DGT-R 
antenna§

•

Re-check proper configuration of 
DGT-D

SERV (Service) LED Flashing

Alarm condition or 

Failsafe state

•

Indicates that the DGT-D has entered 
a failsafe state.  This means that 
communication with one or more 
DGT-U devices has been lost.  The 
OUT-1 LED should also be flashing.  
Check the configuration of the DGT-D 
to insure proper configuration.  
Confirm that DGT-U devices are 
operational.  Confirm that the DGT-R 
is operational.§

•

Indicates that the DGT-D has 
encountered an alarm condition.  
Contact Technical Support for 
recommendation.

OUT-1 LED Flashing

Failsafe state

Indicates loss of communication with one or 

more devices.  Check the configuration of the 

DGT-D to insure proper configuration.  Confirm 

that DGT-U devices are operational.  Confirm 

that the DGT-R is operational.

Summary of Contents for DGT-D

Page 1: ...Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 201 2098 Internet http www GEmultilin com Instruction manual DGT revision 1 0x Manual P N 1601 9045 A1 GE publication code GEK 113441 Copyright 2008 GE Multilin IISO9001 2000 G E M ULTILI N R E GISTERE D 1601 9045 DGT Distributed Generation Trip Control System Fast wireless trip control ...

Page 2: ...5 A1 January 2008 FCC Part 15 Notice The equipment described in this manual complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This device is specifically designed to be used under Section 15 247 ...

Page 3: ...al installation 11 Dimensions 11 Installation Considerations 12 Mounting the enclosure 12 Electrical installation 14 Terminal identification 14 Terminal strip power connections 15 Terminal strip IO connections 15 Antenna and feedline installation 17 Maintaining regulatory compliance RF output power 18 3 USER INTERFACE Transceiver layouts 19 PC requirements 22 Connecting to a PC 23 4 SOFTWARE EnerV...

Page 4: ...P CONTROL SYSTEM INSTRUCTION MANUAL TABLE OF CONTENTS 6 TROUBLESHOOTING Corrective action 49 Firmware updates 52 Updating the DGT R firmware 52 Updating the DGT U and DGT D firmware 52 7 DGT INTERCONNECT CABLING 8 REPLACEMENT ASSEMBLIES ...

Page 5: ...ility at or near the Utility substation to coordinate wireless communication between the DGT U DGT R and the DGT D s DGT D is installed at the Distributed Generation site It receives the trip signal over the air from the DGT U and outputs the status to the user s breaker device The DGT D also accepts a connection from the user s breaker equipment that confirms the trip status back to the DGT U At ...

Page 6: ...monitor the status of the auxiliary contact and transmit that status every 28 56 milliseconds back to the DGT U units constantly confirming current status All communication is coordinated through the DGT R Unit in order to achieve maximum range If a trip condition is detected by the Utility s equipment the trip status is energized at the DGT U When the DGT D units receive the energized trip status...

Page 7: ... necessary input and output terminations antenna jumper cable and lightning protection contained in a weather resistant pad lockable enclosure The only connections required are for primary power the external antenna cable and wiring to the external equipment All of these wiring connections are made within the enclosure leaving no connections exposed to weather DGT units are designed to be installe...

Page 8: ...e not shown for Connection from Lightning Arrestor to DGT U Transceiver Yagi Directional Antenna not shown Antenna Feedline not shown Figure 1 4 DGT R layout Components in the DGT R are A1 The DGT R Radio Transceiver A2 The 125 VDC VAC Power Supply Terminal blocks for external wiring connections 10 W self regulating internal heater A13 Bulkhead Lightning Arrestor with Connection for DGT R Antenna ...

Page 9: ...4 125 VDC Relay for Trip Status Confirmation Input Terminal blocks for external wiring connections 10 W self regulating internal heater A13 Bulkhead Lightning Arrestor with Connection for DGT D Antenna Feedline Jumper Cable not shown for Connection from Lightning Arrestor to DGT D Transceiver Yagi Directional Antenna not shown Antenna Feedline not shown 1 12 11 10 9 13 14 15 16 5 6 7 8 4 3 2 1 CE ...

Page 10: ... and 150 foot long antenna cable with connectors Standard features Each unit in the DGT Series comes with a number of standard features as shown below Table 1 Standard features DGT U Item Description DGT U Control unit for substation application Power supply 125 V DC V AC no internal battery or charger I O 1 input 8 outputs LEDs 11 1 input 7 output 1 power 1 link 1 service Enclosure NEMA 4 Lightni...

Page 11: ...al battery or charger I O None LEDs 3 1 power 1 link 1 service Enclosure NEMA 4 Lightning arrester Nominal breakdown voltage 230V Field connection hardware Terminal blocks Item Description DGT D Control unit for application at DG site Power supply 125 V DC V AC no internal battery or charger I O 1 input 2 outputs LEDs 6 1 input 2 output 1 power 1 link 1 service Enclosure NEMA 4 Lightning arrester ...

Page 12: ...t Coil resistance 1400 Ohms maximum Power draw 400 mW Outputs specifications GENERAL Type Form A relay Service output is Form B Contact material silver alloy Operate time 10 ms Contact material Silver alloy Continuous carry 5 A Make and carry for 0 2s 30 A per ANSI C37 90 Break DC inductive L R 40 ms Power supply specifications POWER SUPPLY Nominal DC 125 to 250 V DC Min max DC 100 350 V DC Nomina...

Page 13: ... Cyclic IEC 60068 2 30 55 at 95 RH Surge Withstand Capability SWC Tests for Relay Systems Associated with Electrical Power Apparatus IEEE C37 90 1 2002 Standard for Withstand capability of Relay Systems to Radiated EMI from Transceivers IEEE C37 90 2 2004 Electrostatic Discharge for Protective Relays IEEE C37 90 3 2002 Standard for Relays and Relay Systems IEEE C37 90 2005 Physical specifications ...

Page 14: ...1 10 DGT DISTRIBUTED GENERATION TRIP CONTROL SYSTEM INSTRUCTION MANUAL SPECIFICATIONS CHAPTER 1 INTRODUCTION ...

Page 15: ...ultilin Installation Mechanical installation This section describes the mechanical installation of the DGT system including dimensions for mounting Dimensions The dimensions of the DGT unit are shown below Figure 2 1 DGT dimensions UMTG HOLE LAYOUT 8 00 203 mm 12 75 14 45 367 mm 12 50 318 mm 11 82 300 mm 10 70 272 mm 7 18 182 mm 312 mm Mounting holes Mounting holes ...

Page 16: ... closely to the distance between the DGT U and the Utility s DGT R If that distance is limited for example up to 3 miles 4 8 km then some obstructions in the communications path can usually be tolerated with minimal impact For longer distances any substantial obstruction in the communications path could compromise performance or block communications entirely CONDUCTING A SITE SURVEY There must be ...

Page 17: ...nted to a wooden utility pole with two lag screws or with two long bolts that extend through the pole Threaded rod can also be used for through the pole mounting In either case it is important to use flat washers with the attaching hardware fasteners are not supplied To pole mount the unit follow these instructions 1 Attach the two pole mount adapter brackets to the DGT enclosure with four 10 32 s...

Page 18: ...how more detailed views of power connections as required Route the power and I O signal wiring through the weathertight bushing on the bottom of the enclosure Do not tighten it until all cabling has been installed All user connections for power and signal wiring are made to the terminal block Terminal identification Figure 2 2 DGT U terminal layout Figure 2 3 DGT R terminal layout Figure 2 4 DGT D...

Page 19: ...TION MANUAL 2 15 Terminal strip power connections Figure 2 5 DGT all models AC DC power connections refer to above terminal layouts Terminal strip IO connections Figure 2 6 DGT Terminal strip IO connections refer to above terminal layouts 120 V AC Power Connection 24 V DC Power Connection 887003A1 cdr ...

Page 20: ...utput 4 5 DGT U DGT D Terminal Strip Contact Closure Customer Contact Closure 6 7 DGT D Terminal Strip Outputs Trip Output 8 Service Output Output Common 11 12 DGT U Terminal Strip Outputs Status 3 Output 13 9 10 8 6 7 14 Status 1 Output Status 2 Output Status 6 Output Status 4 Output Status 5 Output Service Output Output Common ...

Page 21: ...lease contact Multilin for information on arranging a Radio Path Analysis or Site Survey ANTENNA INSTALLATION DGT U and DGT D The antenna supplied with DGT D and DGT U units is a directional Yagi type that must be properly aimed at the DGT R site with which it will communicate Follow these steps to install the antenna at DGT D and DGT U sites 1 Mount the antenna securely to a pole or other support...

Page 22: ...s the maximum EIRP from the antenna must not exceed 36 dBm Contact GE Multilin if assistance is required in determining the maximum output power setting SAFETY EARTH GROUNDING DGT equipment is equipped with an internal surge suppression module to protect against nearby lightning discharges or spikes on the antenna feedline To minimize the chances of lightning and surge damage a good safety ground ...

Page 23: ...s are in a failsafe state The input LED IN is illuminated whenever the trip status is energized The output LED OUT 1 illuminates whenever the associated output is energized OUT 1 will reflect the state of the status input on the DGT D radio configured for Slot 1 RF OUTPUT Antenna Connector TNC 902 to 928 MHz FHSS CONFIGURATION ÊDCE Console Terminal 19 200 bps 8N1 Default No Handshaking RS EIA 232 ...

Page 24: ...radio configured for Slot 5 within the network If the output is in a failsafe state the LED shall flash a unique pattern to indicate this state The output LED OUT 6 illuminates whenever the associated output is energized OUT 6 will reflect the state of the status input on the DGT D radio configured for Slot 6 within the network If the output is in a failsafe state the LED shall flash a unique patt...

Page 25: ...ts the state of the trip input on the DGT U within the network If the output is in a failsafe state the LED flashes a unique pattern to indicate this state If the output is configured and mapped to two inputs when taking Trip signals from a Recloser and data is only being received from one of the two inputs the LED flashes a unique pattern to indicate this state The output LED OUT 2 is reserved fo...

Page 26: ...INTERFACE PC requirements The following minimum requirements must be met for the EnerVista DGT Setup software to operate on your computer Pentium class processor 700 MHz or better recommended Microsoft Windows XP Vista 256 MB of RAM 512 MB recommended Minimum of 50 MB hard disk space 200 MB recommended ...

Page 27: ... PC DGT DISTRIBUTED GENERATION TRIP CONTROL SYSTEM INSTRUCTION MANUAL 3 23 Connecting to a PC Figure 3 1 Typical RS232 connection between PC and any DGT radio DGT U DGT R or DGT D RS232 CONNECTION ANY DGT RADIO PC RJ11 Connector DB9 Connector ...

Page 28: ...3 24 DGT DISTRIBUTED GENERATION TRIP CONTROL SYSTEM INSTRUCTION MANUAL CONNECTING TO A PC CHAPTER 3 USER INTERFACE ...

Page 29: ... above minimum requirements use the following procedure to install the EnerVista DGT DG Setup software from the enclosed GE EnerVista CD or the EnerVista website 1 Insert the GE EnerVista CD into your CD ROM drive 2 Click the Install Now button and follow the installation instructions to install the no charge EnerVista software on your local PC 3 When installation is complete start the EnerVista L...

Page 30: ...the EnerVista DGT DG used by the Distributed Generator can be loaded on a single computer 6 Select the EnerVista DGT DG Setup program as shown above Select the Web option to ensure you obtain the most recent software release or select CD if you do not have a web connection then click the Add Now button 7 EnerVista Launchpad will obtain the latest installation software from the Web or CD and automa...

Page 31: ...ate icons and add EnerVista DGT DG Setup software to the Windows start menu 10 Click Finish to end the installation The DGT device will be added to the list of installed IEDs in the EnerVista Launchpad window as shown by the arrow below 11 To start the EnerVista DGT DG Setup application click on the DGT DG icon in the above window DGT DG configuration The DGT D Settings File will have been sent to...

Page 32: ...ier The main screen will appear as follows 3 Press the Quick Connect button near the top left edge of the screen The following window will appear 4 Using the dropdown box shown above select the COM port to which you have connected your communications RS232 cable and press the Connect button The program will search for your connected DGT D unit and after a few seconds will insert information on the...

Page 33: ...f any attempt is made to send a Settings File to a unit whose serial number does not match in some way the following error message will be displayed A similar error message will be displayed if there is a communications error in the system If you have more than one generating system to connect repeat the above procedure 4 to 7 for each system The Quick Connect procedure item 3 above will have alre...

Page 34: ...e DGT system The status of the system is updated continuously every 5 seconds 11 To log out of EnerVista DGT DG Click on Logout Once you log out you have to press the Quick Connect button to log back in This feature is generally used when a situation arises that necessitates a formal logout Any accidental disruption computer breakdown for example of the system will NOT log you out of the system it...

Page 35: ...o install the EnerVista DGT Utility Setup software from the enclosed GE EnerVista CD or the EnerVista web site 1 Insert the GE EnerVista CD into your CD ROM drive 2 Click the Install Now button and follow the installation instructions to install the no charge EnerVista software on your local PC 3 When installation is complete start the EnerVista LaunchPad application 4 Click the IED Setup section ...

Page 36: ...Vista Launchpad will obtain the latest installation software from the Web or CD and automatically start the installation process A status window with a progress bar will be shown during the downloading process 8 Select the complete path in your PC including the new directory name where the EnerVista DGT Utility Setup software will be installed 9 Click on Next to begin the installation The files wi...

Page 37: ... units DGT U DGT U Recloser DGT R and DGT D 1 to 7 units allows the Utility to handle associated DGT information both on line and offline In the latter case information is uploaded to the specific DGT unit at the user s convenience Using EnerVista the Utility can create the appropriate Settings Files for the DGT U DGT R and DGT D units One DGT U unit is used for each single DGT network Summarizing...

Page 38: ...ITY SETUP SOFTWARE CHAPTER 4 SOFTWARE 1 As indicated in the previous section open the DGT Utility Setup program 2 To define the framework of each DGT network click on File New System File The following dialog box will appear 3 Type in the filename of the system file you are going to create ...

Page 39: ...acters are mandatory fields Unless you fill them in with some values the OK button will remain disabled so that it will not be possible to save your changes to the file Some other restrictions are applied to the content of these fields Field System Name must contain at least 1 and maximum 64 characters Field System ID must contain at least 1 and maximum 64 characters No any national alphabet symbo...

Page 40: ...x must be checked as follows 6 Press OK and note that we have just created a new tree s brunch named Substation_1 which additionally contains the folder s name in which the created System file resides Now if you open this node one click upon the sign will be enough you will note that the appropriate information including the Recloser information if selected appears in the sub branches in the Offli...

Page 41: ... information NOTE NOTE The top two fields Name and Serial Number are mandatory and should be filled up in order to be able to store changes Only the content of these two fields can be uploaded to the device The rest of the information should be considered as reference data for users only 8 Clicking on the DGT U line will bring up the form shown below this one containing the serial number that you ...

Page 42: ... these two fields can be uploaded to the device The rest of the information should be considered as reference data for users only 9 Click on the sign on the DGT U node in the Offline window This will bring up the following 10 Initially all the DGT D sites are empty You can assign the appropriate DGT D device to each site by double clicking upon the empty site node then the DGT D device dialog will...

Page 43: ...loaded to the device The rest of the information should be considered as reference data for users only 12 After you press the OK button the System file tree will change as shown here NOTE NOTE Once you have created a DGT D description and assigned it to the site on the DGT U device you can edit or delete it 13 Clicking on a DGT U RECLOSER line will bring up the form shown below this form containin...

Page 44: ...appropriate devices DGT Utility configuration Creating and uploading a Settings File The Settings File is part of the whole DGT System configuration and is related to a dedicated device within the system The important things to know about the Settings File are The Settings File for a particular device should be generated or updated before being uploaded to the device The Settings File can be gener...

Page 45: ...lity Setup program 2 In the Offline window find the System File you have just created 3 Now lets invesigate the content of the folder 4 As you can see there are two items the System File itself and an additional subfolder with the exact the same name as a System File minus extension Substation_1 in our scenario If you open the subfolder you will see a number of files placed inside ...

Page 46: ...Site number 2 In our example we can easily see that file 3_1729024 hkf has been created for the device DGT D assigned to site 1 of DGT U Primary and its serial number is 1729024 NOTE NOTE If the user makes any significant changes to the device description significant means any changes that affect the information uploaded to the device the auto generated Settings Files will be edited automatically ...

Page 47: ... the newly entered modified data to the appropriate Device s In this situation the term upload means to set the internal device s variables with the appropriate values specified in the System File For the current version of the hardware we have only one way to do this use a COM port connection So as we have a DGT device connected via a COM port to a PC with correctly installed DGT Utility or DGT D...

Page 48: ...ll connected DGT units will appear in the online window as shown below NOTE NOTE As we can see the type of the device is DGT U Primary and the serial number is 1729022 If we are going to upload an auto generated Settings File the correct file name should be 1_1729022 hkf see the previous section for details 8 To upload the generated Settings File to the respective device click on Send Settings Fil...

Page 49: ... is to do this directly without using an intermediate Settings File In the Offline window you can select the desired device s node then select the Send to Online Device command from the context menu right mouse click 11 There are some extra features in the Online Window that you may find quite useful when dealing with the DGT devices Diagnostic gets current settings from the device These settings ...

Page 50: ...5 If you click on Status this window will appear The Status window continuously shows the synchronization state of the DGT system The status of the system is updated continuously every 5 seconds 16 To log out of EnerVista DGT Utility Click on Logout Once you log out you have to press the Quick Connect button to log back in This feature is generally used when a situation arises that necessitates a ...

Page 51: ...up When primary power is applied to the DGT U DGT R or DGT D the device is ready for configuration or if already configured for in service operation Once power is applied check for normal operation by confirming that the red PWR Power LED is lit continuously If not please re check all power wiring If configuration of the DGT device is necessary please refer to Chapters 3 and 4 for information ...

Page 52: ... 6 1 for corrective actions DGT R Normal Operation The PWR Power LED is illuminated continuously when power is applied The LINK LED is illuminated continuously Note that the LED will blink when the DGT R is passing data over the air between the DGT U and DGT D devices The COM1 LED blinks only when there is serial communication traffic during configuration If any of these indications are behaving d...

Page 53: ...ION MANUAL 6 49 DGT Distributed Generation Trip Control System Chapter 6 Troubleshooting GE Consumer Industrial Multilin Troubleshooting Corrective action Please refer to the following tables for a summary of LED error status and possible corrective actions ...

Page 54: ...T LEDs on the DGT U should be flashing Note which OUT LED is flashing and check the appropriate DGT D for proper operation Note that if all OUT LEDs are flashing then communication with the DGT R could be lost Indicates that the DGT U has encountered an alarm condition Contact Technical Support for recommendation OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6 OUT 7 LED Flashing Failsafe state Indicates loss ...

Page 55: ...larm condition or Failsafe state Indicates that the DGT D has entered a failsafe state This means that communication with one or more DGT U devices has been lost The OUT 1 LED should also be flashing Check the configuration of the DGT D to insure proper configuration Confirm that DGT U devices are operational Confirm that the DGT R is operational Indicates that the DGT D has encountered an alarm c...

Page 56: ...FIRMWARE UPDATES CHAPTER 6 TROUBLESHOOTING Firmware updates Updating the DGT R firmware Please contact GE Multilin for information on DGT R firmware updates Updating the DGT U and DGT D firmware Please contact GE Multilin for information on DGT U and DGT D firmware updates ...

Page 57: ...A1 A2 A1 A2 A1 A2 A1 A2 A1 A2 24 28 V 24 28 V OK 24 VDC 2 1A 24 VDC 2 1A L N 12 11 10 9 13 14 15 16 5 6 7 8 4 3 2 1 A1 NETio DG A2 POWER SUPPLY POWER SUPPLY TERMINAL BLOCKS A3 A4 A5 A6 A7 A10 A9 A8 RELAYS WITH SOCKET WITH SOCKET A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 CUSTOMER CONNECTION CUSTOMER CONNECTION TO A24 TO A2 TO A13 TO A27 TO A26 TO A8 2 TO A9 2 TO A10 2 TO A7 2 TO A3 2 ...

Page 58: ... L A 24 28 V 24 28 V OK 24 VDC 2 1A 24 VDC 2 1A L N COM2 PWR 6 30 VDC 2A max PWR 6 30 VDC 2A max LAN COM1 LINK PWR C CE SDP 2 24 100T SDP 2 24 100T Power Supply Power Supply S O L A S O L A 24 28 V 24 28 V OK 24 VDC 2 1A 24 VDC 2 1A 1 4 5 12 9 13 16 8 TO LIGHTNING TO LIGHTNING ARRESTOR A13 12 11 10 9 13 14 15 16 5 6 7 8 4 3 2 1 A1 NETio DG A2 POWER SUPPLY POWER SUPPLY TERMINAL BLOCKS A4 A3 RELAYS ...

Page 59: ... list Part Number Description 03 4785A01 DGT U Radio Transceiver 03 4784A01 DGT R Radio Transceiver 03 4793A01 DGT D Radio Transceiver 29 4614A01 AC DC Fuse for DGT U DGT R and DGT D 31 1113A23 DPDT Relay for DGT U and DGT D 28 2334A14 125 VAC VDC Power Supply 24 V for DGT U DGT R and DGT D 93 3194A13 6 4 dBd Gain Yagi Antenna for DGT U and DGT D 93 3194A17 7 0 dBd Gain Omni Antenna for DGT R 03 2...

Page 60: ...8 56 DGT DISTRIBUTED GENERATION TRIP CONTROL SYSTEM INSTRUCTION MANUAL CHAPTER 8 REPLACEMENT ASSEMBLIES ...

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