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Manual GE GEK 106168E

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  • GE GEK 106168E - page 1

    ÿ GE Power Management DBF Instructions Instructions Instructions Instructions GEK 106168E GEK 106168E GEK 106168E GEK 106168E Digital Breaker Failure Protection Digital Breaker Failure Protection Digital Breaker Failure Protection Digital Breaker Failure Protection ...

  • GE GEK 106168E - page 2

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  • GE GEK 106168E - page 3

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  • GE GEK 106168E - page 4

    TA BL E OF CONTE NTS GEK-106168E DBF Breaker Failure Protection i TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS 1. GENERA L DESCRIPT ION A ND APPLICA TIO N ........................................................................................... 1 1.1. GENERAL DESCRIPTION ................................................. ...

  • GE GEK 106168E - page 5

    TA BL E OF CONTE NTS ii DBF Breaker Failure Protection GEK-106168E 6.9.5 Neutral Overc urrent Unit Test ..................................................................................................................... 35 6.10. R ELAY M EASURE MENT T ESTS ........................................................................................... ...

  • GE GEK 106168E - page 6

    LIST OF FIGURES GEK-106168E DBF Breaker Failure Protection iii LIST OF FIGURES Figure 1. Break er Failure Logic (189C4114 Sheet 2) Figure 2. External Connections (189C4114 Sheet 1) Figure 3. Front View (226B7412 Sheet 9) Figure 4. Rear View (226B7412 Sheet 10) Figure 5. Dim ensions Diagram ( 226B6086 sheet 10) Figure 6. Panel drilling (226B6086H10) ...

  • GE GEK 106168E - page 7

    LIST OF FIGURES iv DBF Breaker Failure Protection GEK-106168E ...

  • GE GEK 106168E - page 8

    1. GENERA L DESCRIPT ION A ND APPLICA TION GEK-106168E DBF Breaker Failure Protection 1 1. 1. 1. 1. GENERAL DESCRIPTION AND APPLICA TION GENERAL DESCRIPTION AND APPLICA TION GENERAL DESCRIPTION AND APPLICA TION GENERAL DESCRIPTION AND APPLICA TION 1.1. GENERAL DESCRIPTION The DBF system is a micropr ocessor based break er failure protec tion, contr ...

  • GE GEK 106168E - page 9

    1. GENERA L DESCRIPT ION A ND APPLICA TION 2 DBF Breaker Failure Protection GEK-106168E e) Communication Interfaces • Remote com m unications through three comm unication ports, one on the front of the r elay and two located on the rear. • Human m achine interf ace (HMI) cons isting of 20 keys k ey pad and alphanum erical LCD (16 character s x ...

  • GE GEK 106168E - page 10

    2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 3 2. 2. 2. 2. OPERA TION OPERA TION OPERA TION OPERA TION LOGIC LOGIC LOGIC LOGIC (See figure 1 at the end of the Ins truction Manual) 2.1. PROTECTION FUNCTIONS 2.1.1. OVERCURRENT UNIT S The DBF system incor porates the following overcurr ent detectors: • Three Single Phas e Low-Level ...

  • GE GEK 106168E - page 11

    2. OPER ATION LOGIC 4 DBF Breaker Failure Protection GEK-106168E OR5 to the bottom input of A ND4 . Any pair of single BF initiation s ignals placed at A ND5 , AND6 ,o r A ND7 will activate the top input of AND4 . This input to AND4 can also be ON if ther e is a 3P BF Initiation and Severe Fault 3P setting is s et to ‘permitted’. Ground Overcur ...

  • GE GEK 106168E - page 12

    2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 5 2.2. MONITORING AND RECORDING FUNCTIONS 2.2.1 MEASUREMENT The DBF system provides the continuous m easurem ent of phase and ground c urrent values. Thes e measurem ents can be ac cessed directly on the liquid crystal display (HMI) on the f ront of the relay, or via the GE-LOCA L commu ...

  • GE GEK 106168E - page 13

    2. OPER ATION LOGIC 6 DBF Breaker Failure Protection GEK-106168E Group Status Comment 2.7 Optional Exp. Board 2.8 Input Nº 7 Digital Input #7 Status 2.9 Input Nº 8 Digital Input #8 Status 2.10 Input Nº 9 Digital Input #9 Status 2.11 Input Nº 10 Digital Input #10 Status 2.12 Input Nº 11 Digital Input #11 Status 2.13 Input Nº 12 Digital Input # ...

  • GE GEK 106168E - page 14

    2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 7 Group Status Comment 5.9 5.10 5.11 5.12 5.13 5.14 5.15 6.0 6.1 Parallel EEPROM Alar m Failure in parallel EEPROM 6.2 Serial EEPROM Alar m Failure in ser ial EEPROM 6.3 Out- of-Service Relay out of service 6.4 Def ault Gener al Settings Relay with f actory default settings 6.5 Def ault ...

  • GE GEK 106168E - page 15

    2. OPER ATION LOGIC 8 DBF Breaker Failure Protection GEK-106168E Group Status Comment 8.9 8.10 8.11 8.12 8.13 8,14 8.15 9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 9.10 9.11 9.12 9.13 9.14 9.15 10.0 AND1 Output of internal AND gate #1 10.1 AND2 Output of internal AND gate #2 10.2 AND3 Output of internal AND gate #3 10.3 AND4 Output of internal AND gate ...

  • GE GEK 106168E - page 16

    2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 9 Group Status Comment 4.0 - 4.15 5.0 -5.15 The DBF units ar e supplied with the following target LED’s def ault configuration: LED Nº LEFT COLUMN LED Nº RIGHT COLUMN 1 TRIP ST AGE 1 9 LOW SET PICKUP 2 T R I PS T A G E2 1 0 5 0 B FP O L EAI N I T 3 P H A S EAT R I P 1 1 5 0 B FP O L ...

  • GE GEK 106168E - page 17

    2. OPER ATION LOGIC 10 DBF Breaker Failure Protection GEK-106168E 2.2.5 BUILT-IN SELF-CHECKING UNIT The digital tec hnology of the DBF s y stem allows providing a built- in self-c hecking f unction which guarantees the correc t perform ance of the unit, and provides an exter nal alarm in cas e of error detec tion. Two built-in self -check ing funct ...

  • GE GEK 106168E - page 18

    2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 11 The us er can select f rom the f ollowing list which signals m ay tr igger the oscillography: Events to Trigger the Oscillography PICKUP 1S T STA GE TRI P 2N D STAG E TRIP INTERNAL ARC 50BF A T RIP 50BF B T RIP 50BF C TRIP 50BF 3P T RIP EXTERNAL T RIGGER COMM. TRIG GER HI-SET A PICKU ...

  • GE GEK 106168E - page 19

    2. OPER ATION LOGIC 12 DBF Breaker Failure Protection GEK-106168E 2.4. CONTROL 2.4.1 TABLES OF SETT INGS The DBF s y stem has two ty pes of s ettings stored in non-volatile m em ory (inf orm ation is kept even when there is no auxiliary voltage): • Generic Settings. • Specific Settings . The Generic settings are gr ouped as follows: GENERAL SET ...

  • GE GEK 106168E - page 20

    2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 13 2.4.2 TIM E SYNCHRONIZA T ION. The DBF s y stem includes an input for tim e synchronization. This input r equires the connection of a device to supply a demodulated IRIG-B output. In this way coordinated universal tim e is meas ured to a high degr ee of accur acy and mak es poss ible ...

  • GE GEK 106168E - page 21

    2. OPER ATION LOGIC 14 DBF Breaker Failure Protection GEK-106168E 2.4.3.2 Outputs The basic DBF system has 10 outputs as f ollows: • 2 tripping contacts (A12-B12 and C1- D1) • 1 Break er failure pick up signaling (A11-B11) • 1 Internal arc detec tion (C2-D2) • 1 Equipment alar m (C3-D 3) • 5 configur able contacts (C4-D4 to C8- D8) The op ...

  • GE GEK 106168E - page 22

    2. OPER ATION LOGIC GEK-106168E DBF Breaker Failure Protection 15 2.5. MAN-MACHINE INTERFACE (HMI) The DBF system includes as standard a 20 key key boar d and a 2-line liquid crystal display (LCD) with 16 character s per line. This dis play has highly reliable LED diode back lighting (the sc reen brightness can be adj usted on the rear of the f ron ...

  • GE GEK 106168E - page 23

    2. OPER ATION LOGIC 16 DBF Breaker Failure Protection GEK-106168E 2.6. REMOTE COMMUNICATIONS The relay has 2 serial gates and three connectors. G ate 1 can be reached fr om the fr ont of the relay in connector 1 (PORT 1 connector) or from the rear (PORT 2 connector) . The second gate c an be reached from connector 3 (PORT 3 c onnector) which is loc ...

  • GE GEK 106168E - page 24

    3. S ETTIN GS GEK-106168E DBF Breaker Failure Protection 17 3. 3. 3. 3. SETTINGS SETTINGS SETTINGS SETTINGS This s ection describes the s ettings of the DBF relay and the procedure to m odify them. T able 3 shows t he list of DBF settings, their range and r esolution, and the factory default settings. To view or to modify settings using the GE_LOCA ...

  • GE GEK 106168E - page 25

    3. S ETTIN GS 18 DBF Breaker Failure Protection GEK-106168E Common to all tables Range Default Step Oscillography Mask Prefault Cycles 2-10 4 1 Arc Detection Enable-Disable Enable Pick up Enable-Disable Enable 1 st Stage trip Enable-Dis able Enable 2 nd Stage Tr ip Enable-Disable Enable 50BF A T rip Enable-Disable Enable 50BF B T rip Enable-Disable ...

  • GE GEK 106168E - page 26

    3. S ETTIN GS GEK-106168E DBF Breaker Failure Protection 19 COM MENTS ON SETTINGS: 1. The Identification s etting allows the user to input a nam e for the unit (f or exam ple the name of the line or feeder) with a m axim um of 20 ASCII char acters. 2. The Ac t i v e T a b le s etting allows selecting the table to be ac tive during norma l operation ...

  • GE GEK 106168E - page 27

    3. S ETTIN GS 20 DBF Breaker Failure Protection GEK-106168E ...

  • GE GEK 106168E - page 28

    4. TECHNICAL CHA RA CT ERISTICS GEK-106168E DBF Breaker Failure Protection 21 4. 4. 4. 4. TECHNICAL CHARACTERISTICS TECHNICAL CHARACTERISTICS TECHNICAL CHARACTERISTICS TECHNICAL CHARACTERISTICS 4.1. MODEL LIST Position DBF 1 - - - - 1 1 - - 0 0 A Description Comm. Interface 0 P2: RS232 + P3: RS232 51 P2: RS232 + P3: Plastic F.O . 2 P2: RS232 + P3: ...

  • GE GEK 106168E - page 29

    4. TECHNICAL CHA RA CT ERISTICS 22 DBF Breaker Failure Protection GEK-106168E 4.2. TECHNICAL CHARACTERISTICS MECHANICA L • Metal 19” rack case, 2 units high • IP51 Protection (as per IEC 529) • Local HMI: LCD (2 rows, 16 c haracters) and 20 k ey keyboard • Rear connection f or wiring: 4 blocks , 12 terminals each ( 6 blocks when optional ...

  • GE GEK 106168E - page 30

    4. TECHNICAL CHA RA CT ERISTICS GEK-106168E DBF Breaker Failure Protection 23 COMM UNICA T IONS -RS232 using DB9 f emale connec tor (2/3 connectors depending on m odel) - Mode: Half duplex -1 m m plastic f iber-optic (depending on m odel) Typical power output : -8dBm Receiver sens itivity -39dBm Numer ic aperture N.A. 0.5 W ave length 660 nm (visib ...

  • GE GEK 106168E - page 31

    4. TECHNICAL CHA RA CT ERISTICS 24 DBF Breaker Failure Protection GEK-106168E ...

  • GE GEK 106168E - page 32

    5. HA RDW A RE DESCRIPTION GEK-106168E DBF Breaker Failure Protection 25 5. 5. 5. 5. HARDW ARE DESCRIPTION HARDW ARE DESCRIPTION HARDW ARE DESCRIPTION HARDW ARE DESCRIPTION CA UT ION The DBF contains electronic components that can be damaged by electrostatic discharge if curre nts f low through some terminals of the internal components. The m ain s ...

  • GE GEK 106168E - page 33

    5. HA RDW A RE DESCRIPTION 26 DBF Breaker Failure Protection GEK-106168E The c omm unications connector s are situated on left- hand side of the front and on the r ight-hand side of the rear of the case. T he front port is PO RT 1 and the rear ports are PORT 2 and PORT3. T he IRIG- B connection is made using a block of two additional term inals. ...

  • GE GEK 106168E - page 34

    5. HA RDW A RE DESCRIPTION GEK-106168E DBF Breaker Failure Protection 27 5.2. OPERATING THEORY The DBF unit m easures cur rent signals, perform s com plex calculations us ing internal data, stores r elevant incidents, pick -up tripping relays and generates inform ation that can be used to determ ine the state of the associated elec trical system. T ...

  • GE GEK 106168E - page 35

    5. HA RDW A RE DESCRIPTION 28 DBF Breaker Failure Protection GEK-106168E 5.2.3 POWER SUPPLY The DBF power supply can be 48-125 VDC or 110-250 VDC rated. T he operating margin of the power supply is + 20%, and is galvanic ally isolated f rom the res t of the relay's circ uits. The power supply provides ± 12 VDC to the analog circuitry and the ...

  • GE GEK 106168E - page 36

    6. A CCEPT A NCE T ESTS GEK-106168E DBF Breaker Failure Protection 29 6. 6. 6. 6. ACCEPT ANCE TESTS ACCEPT ANCE TESTS ACCEPT ANCE TESTS ACCEPT ANCE TESTS 6.1. CONNECTIONS AND NECESSARY EQUIPMENT Necessar y equipment: • One curr ent source • One DC voltage sourc e • Precision t imer f or testing tim ed events • On e AC /D C vo lt mete r/ amm ...

  • GE GEK 106168E - page 37

    6. A CCEPT A NCE T ESTS 30 DBF Breaker Failure Protection GEK-106168E 6.4. RELAY SETTING Introduce the f ollowi ng s ettings in the relay (by m eans of HMI or GE_Loc al software): General Settings Group Value Relay Status IN SERV Identification N /A Frequency 50 Hz / 60 Hz Phase CT Ratio 1 Neutral CT Ratio 1 Breaker Settings Value Break er Number N ...

  • GE GEK 106168E - page 38

    6. A CCEPT A NCE T ESTS GEK-106168E DBF Breaker Failure Protection 31 8. Remove the c urrent from term inals A1-A2. Rem ove voltage from digital input CC1. 9. Repeat these steps with m inimum and max imum voltages depending on the r ange of the relay. Tes t voltages and ty pic al burdens are listed below: Model "G" (48/125 VDC) DC Battery ...

  • GE GEK 106168E - page 39

    6. A CCEPT A NCE T ESTS 32 DBF Breaker Failure Protection GEK-106168E 6.8. INPUTS 6.8.1 DIGITAL INPUTS Log into the relay using the GE_LOCAL software and pres s INPUTS / OUT PUTS button on t he first general screen. • Check that applying dc rated voltage between terminals: C9 and D10 (CC1) D9 and D10 (CC2) C10 and D10 (CC3) C11 and D12 (CC4) D11 ...

  • GE GEK 106168E - page 40

    6. A CCEPT A NCE T ESTS GEK-106168E DBF Breaker Failure Protection 33 6.9. FUNCTIONS 6.9.1 50BF 1P UNIT T EST 1. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 1P FUNCT ION to PER. 2. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 3P FUNCT ION to NO PER. 3. Change setpoint T ABLE 1/FUNCTION PERMIT /3P No INT FUNCT to NO PER. 4. Change setpoint 50BF S ...

  • GE GEK 106168E - page 41

    6. A CCEPT A NCE T ESTS 34 DBF Breaker Failure Protection GEK-106168E 6.9.2 50BF 3P UNIT T EST The DBF relay outputs are factory set with the default settings s hown in the external connections drawing (Figure 2). 1. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 1P FUNCT ION to NO PER. 2. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 3P FUNCT ION t ...

  • GE GEK 106168E - page 42

    6. A CCEPT A NCE T ESTS GEK-106168E DBF Breaker Failure Protection 35 6.9.3 INTERNAL A RC TEST 1. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 3P FUNCT ION to NO PER. 2. Change setpoint T ABLE 1/INTERNAL ARC SETT INGS/INT ARC T IMER to 2s. 3. Energize digital input CC4 52/b A 4. Apply 2A to terminals A1- A2 (phase A). 5. Check t hat after INT ARC ...

  • GE GEK 106168E - page 43

    6. A CCEPT A NCE T ESTS 36 DBF Breaker Failure Protection GEK-106168E 8. Check t hat after 3P NO I T IMER T3 (2s) , the following contacts are c losed: A12-B12 C1-D1 C4-D4 C6-D6 C5-D5 C7-D7 9. If the r elay is provided with an expansion board, chec k that also the f ollowing contacts are closed: E1-F1 E2-F2 E3-F3 E4-F4 E5-F5 E6-F6 ...

  • GE GEK 106168E - page 44

    6. A CCEPT A NCE T ESTS GEK-106168E DBF Breaker Failure Protection 37 6.10. RELAY MEASUREMENT TESTS 6.10.1. CURRENT MEASUREMENT 1. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 1P FUNCT ION to PER. 2. Change setpoint GENERAL/FUNCT ION PERMIT/50BF 3P FUNCT ION to NO PER. 3. Change setpoint GENERAL/FUNCT ION PERMIT/3P No INT F UNCT to NO PER. 4. Chan ...

  • GE GEK 106168E - page 45

    6. A CCEPT A NCE T ESTS 38 DBF Breaker Failure Protection GEK-106168E ...

  • GE GEK 106168E - page 46

    7 . IN S T AL L AT I O N AN D M AI N T E N AN CE GEK-106168E DBF Breaker Failure Protection 39 7. 7. 7. 7. INST ALLA TION AND MAINTENANCE INST ALLA TION AND MAINTENANCE INST ALLA TION AND MAINTENANCE INST ALLA TION AND MAINTENANCE 7.1. INSTALLATION The relay should be installed in a clean, dry and dust-fr ee place, with no vibrations. The DBF s y s ...

  • GE GEK 106168E - page 47

    7 . IN S T AL L AT I O N AN D M AI N T E N AN CE 40 DBF Breaker Failure Protection GEK-106168E ...

  • GE GEK 106168E - page 48

    8. KEYBOA RD AND DISPLA Y GEK-106168E DBF Breaker Failure Protection 41 8. 8. 8. 8. KEYBOARD AND DISPLA Y KEYBOARD AND DISPLA Y KEYBOARD AND DISPLA Y KEYBOARD AND DISPLA Y The DBF has a 20 key keyboard and a liquid cry s tal DISPLAY with 32 characters, divided into two rows of 16 each. T he following diagram shows the appear ance of the DBF Keyboar ...

  • GE GEK 106168E - page 49

    8. KEYBOA RD AND DISPLA Y 42 DBF Breaker Failure Protection GEK-106168E 8.1. MENU TREE. The DBF has dif ferent m enus divided into levels. T he Level 0 is the steady state screen. T he Level 1 of the diff erent menus is access ed by pressing the corresponding gr oup key (SET, INF, etc.) . The scr olling within a given level is done by using the UP ...

  • GE GEK 106168E - page 50

    8. KEYBOA RD AND DISPLA Y GEK-106168E DBF Breaker Failure Protection 43 8.2. SETTINGS GROUP (SET KEY) This group allows to see and m odify the DBF settings. It is ac cessed by pressing the SET key when the DBF is in steady state. W hen the SET key is pressed the f ollowing message appears on the s creen: VIEW SETT INGS PROTECT ION W hen the UP/DO W ...

  • GE GEK 106168E - page 51

    8. KEYBOA RD AND DISPLA Y 44 DBF Breaker Failure Protection GEK-106168E Level 1 Level 2 Level 3 Level 4 50BF 1P FUNCTION PERM/NON-PERM. 50BF 3P FUNCTION PERM/NON-PERM. FUNCTION PERMIT 3P NO INT FUNCT . PERM/NON-PERM. PH HISET PICKUP 1.0- 12A * PH LOSET PICKUP 1.0-12A * NEUTRAL PICKUP 0.5-6.0A * 1 PHASE TIMER T 1 0.05-2s 3 PHASE TIMER T 2 0.05-2s 3P ...

  • GE GEK 106168E - page 52

    8. KEYBOA RD AND DISPLA Y GEK-106168E DBF Breaker Failure Protection 45 If the setting enter ed is outside the lim its of the valid range, the relay will not accept the change and will s how the following m essage: Some settings do not accepts num eric values ; instead of that, diff erent possibilities will be shown by pres sing left/right arrow k ...

  • GE GEK 106168E - page 53

    8. KEYBOA RD AND DISPLA Y 46 DBF Breaker Failure Protection GEK-106168E 8.3. INFORMATION GROUP (INF KEY) On the steady-state(no com munic ations request), the LCD dis play at the f ront of the relay shows the following: By pressing the INF key, the next screen will show: This group provides inf ormation about the DBF. Press the ENT k ey to access t ...

  • GE GEK 106168E - page 54

    8. KEYBOA RD AND DISPLA Y GEK-106168E DBF Breaker Failure Protection 47 8.4. CONTROL GROUP (ACT KEY) Being on the steady-state screen of LCD at the f ront of the relay, by Pressing AC T k ey , the f ollowing w ill pr ompt: Pressi ng ENT k ey the system allows to set the date and time by entering the y ear , month, day hour, minutes and seconds in t ...

  • GE GEK 106168E - page 55

    8. KEYBOA RD AND DISPLA Y 48 DBF Breaker Failure Protection GEK-106168E 8.5. SINGLE KEY MENU Being on the steady-state screen of LCD at the f ront of the relay, by Pressing ENT k ey, the “single key menu” will be access ed. T hen, the inform ation displayed w hile s tep by s tep pressing ENT key i s: • Phase A Current • Neutral Current • ...

  • GE GEK 106168E - page 56

    8. KEYBOA RD AND DISPLA Y GEK-106168E DBF Breaker Failure Protection 49 8.6. CONFIGURATION MENU. The DBF has a c onfiguration unit which can only be accessed by means of the k ey boar d. To enter the c onfiguration, start f rom the m ain scr een ‘ DBF – GENERA L ELECTRIC ’ and use the k eyboard to enter a four -digit code. If the code is corr ...

  • GE GEK 106168E - page 57

    8. KEYBOA RD AND DISPLA Y 50 DBF Breaker Failure Protection GEK-106168E ...

  • GE GEK 106168E - page 58

    FIGURES GEK-106168E DBF Breaker Failure Protection 51 FIGURES FIGURES FIGURES FIGURES . ...

  • GE GEK 106168E - page 59

    FIGURES 52 DBF Breaker Failure Protection GEK-106168E FIGURE 1 BREA KER FAILURE LOGIC (189C4114 SHEET 2) ...

  • GE GEK 106168E - page 60

    FIGURES GEK-106168E DBF Breaker Failure Protection 53 FIGURE 2. EXT ERNA L CONNECT IONS (189C4114 SHEET 1) ...

  • GE GEK 106168E - page 61

    FIGURES 54 DBF Breaker Failure Protection GEK-106168E FIGURE 3. FRONT VIEW (226B7412 H9) ...

  • GE GEK 106168E - page 62

    FIGURES GEK-106168E DBF Breaker Failure Protection 55 FIGURE 4 REA R VIEW ( 226B7412H10) ...

  • GE GEK 106168E - page 63

    FIGURES 56 DBF Breaker Failure Protection GEK-106168E FIGURE 5 DIM ENSIONS DIA GRAM (226B6086H10) ...

  • GE GEK 106168E - page 64

    FIGURES GEK-106168E DBF Breaker Failure Protection 57 FIGURE 6 PA NEL DRILLING (226B6086H10) ...

  • GE GEK 106168E - page 65

    FIGURES 58 DBF Breaker Failure Protection GEK-106168E FIGURE 7 RS232 CONNECTION (DBF RELAY TO PC) FIGURE 8 RS232 CONNECTION ( DBF RELA Y T O MODEM ) DB-9 Male Connector Label DB-9 Fem ale Connector DBF NOTE Leave shield unc onnected at both ends 1 1 DB-9 Male Connector DB -9 Male Connector NOTE: Leave shield unc onnected at both ends 1 1 Label DBF ...

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All of them are important, but the most important information from the point of view of use of the device are in the user manual GE GEK 106168E.

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