ABB MMCO-11 Скачать руководство пользователя | Manualshive

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Courtesy of NationalSwitchgear.com

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Содержание MMCO-11

Страница 1: ... Renewal Parts List of Figures Catalog Numbers 1 2 4 7 8 11 13 14 14 15 15 16 42 1 APPLICATION CAUTION The MMCO is a multi phase 2 or 3 phase and ground time and instantaneous ac overcurrent relay see Block Diagram Figure 1 It is used to sense a current level above a particular setting and to trip a circuit breaker to clear faults A wide range of time current characteristics permit applications in...

Страница 2: ...ets Make all settings using password entry The following types of INCOM devices are available Options are provided for a real time clock and exter nal directional control An external 3 phase device e g KD 10 or H3 is required to supervise phase tripping and a single ground directional unit e g KRC KRP or KRD is required to supervise ground tripping When this option is included and selected as bein...

Страница 3: ... of this module as well as a trimmer capacitor for adjust ment of the optional real time clock There are five keypad push buttons as follows 1 SELECT button SW1 Selects between the settings mode targets dis play time setting and metering display 2 SCROLL button SW2 Accesses the different categories within each mode 3 4 RAISE SW3 and LOWER SW4 buttons Select the actual value of the parameter in the...

Страница 4: ...le 3 and Figures 11 thru 13 Inverse Curves IEC version At 5 times pickup 10 or 3 cycles whichever is greater A At 20 times pickup 10 or 3 cycles whichever is greater A A NOTE 10 ms pickup time must be added to curves for TDTRIP output relay Timing Accuracy Dropout Ratio Time delay Inst contacts 98 Min TRIP Reset Time 2 5 cycles typical 3 5 cycles max 5A dc current minimum required thru TRIP contac...

Страница 5: ...ly 48 125 Vdc 250 Vdc 1 Second Rating 200 Amps 100 Amps OHMIC Burden Continuous Rating 16 Amps 5 Amps ct Type 5A ct 1 Act AC Ratings 005 O 025 0 Table 3 IEC CO TYPE TIME CURVE CALIBRATION POINTS Table 2 USA CO TYPE TIME CURVE CALIBRATION POINTS OPERATING TIME CURVE TYPE TIME CURRENT APPLIED TIMES P U VALUE OPERATING TIME CURVE TYPE TIME CURRENT APPLIED TIMES P U VALUE DIAL DIAL IN IN SECONDS SECON...

Страница 6: ...ors setting accuracy and worst case relay errors a lower CTI may be used 4 3 1 USA Version CO Curves There are seven families of CO curves 1 MMCO 2 Short Inverse 2 MMCO 5 Long Inverse 3 MMCO 6 Definite Inverse 4 MMCO 7 Moderate Inverse 5 MMCO 8 Standard Inverse 6 MMCO 9 Very Inverse 7 MMCO 11 Extreme Inverse Where a ground setting is chosen attention should be given to Each family contains 63 curv...

Страница 7: ...elow These functions are TRIP TEST TARGET RESET EXTERNAL SCROLL A flow chart for MMCO relay keypad operation is included Figure 16 for reference T K x D 63 G Gs a 1 3 3 where T Theoretical operating time seconds K constant characterizing the relay seconds D time dial setting from 1 to 63 G value of the characteristic quantity i e current through relay ct Gs setting value of characteristic quantity...

Страница 8: ...l fail fail 5 2 SETTINGS MODE S IN UPPER LEFT CORNER OF DISPLAY This mode is selected by pushing the SELECT but ton Initially the software Version appears on the display Using the SCROLL button the following set tings may be selected The directional control option settings are Directional Control Display None Grnd T D Grnd Inst Grnd Inst T D Ph T D Ph Inst Ph Inst T D Ph Inst Grnd T D Ph Inst Grnd...

Страница 9: ...held in the on position for 6 seconds all target information T1 T16 is erased Current at trip time IA IB IC I0 Time of trip option Day Date Time If the relay is not in the settings mode the display will jump to the most recent trip data T1 when a trip occurs In order to ensure proper fault cur rent target data the fault current must remain for a minimum of three cycles and at least 1 cycle after t...

Страница 10: ...e Internal Schematic Figure The microprocessor is supported by chip selector U11 address latch U5 32 K bytes of EPROM U7 2K bytes of RAM U8 and 512 bytes of EEPROM 18 Current is input to the relay at terminals 4 and 5 for phase A stepped down by current transformer T1 and full wave rectified by diode bridge BR1 Resistors R1 and R10 convert the input current to voltage Diodes D1 D5 and CR1 clamp th...

Страница 11: ...Y Referring to the Display Module Internal Schematic Figure 24 The display consists of a 16 X 2 character alphanu meric LCD display module LD1 which is driven directly by the microprocessor U2 on Microproces sor Schematic Figure 20 A temperature compensa tion circuit consisting of Op Amp U1 and temperature sensor U2 is used to bias the display for good read ability over the 20C to 60C temperature ...

Страница 12: ...c sup ply only Trip LED should be on sealed in It is recommended that a performance check be applied to the MMCO relay to verify that the circuits are functioning properly See MMCO test diagram in Figure 14 Proper energization of the relay is also shown in this figure Reset LED by depressing the reset push but f ton g Repeat the above test steps a through f with AC input to each of the remaining c...

Страница 13: ... A 8 2 DISPLAY ADJUSTMENT The LCD display is factory adjusted for general pur pose viewing The display adjustment on the upper left hand corner of the front panel can be used to optimize the display readability for the particular light ing and viewing angle conditions in which the relay is situated With the relay in the lighting conditions and location in which it is used turn the display adjust p...

Страница 14: ...d or studs for projection mount 10 MAINTENANCE AND REPAIR ing All relays should be inspected periodically and set tings and times of operation should be checked at least once every year or at such other intervals as may be indicated by experience to be suitable for the particular application NOTE Projection mounting is not possible with the INCOM communications accessory installed Either a mountin...

Страница 15: ...605881 22 23 605880 605878 24 25 605887 26 605876 1499B70 27 1609C74 28 1499B84 29 MMCO Keypad Operation MMCO Terminal Connection Drawing MMCO ct Module Schematic Bottom MMCO ct Module Assembly Bottom 9649A98 30 1613C91 31 1613C99 32 1357D39 33 MMCO Microprocessor Module Internal Schematic MMCO Microprocessor Module Assembly MMCO Power Supply Module Internal Schematic MMCO Power Supply Module Comp...

Страница 16: ...ICROCOMPUTER RECTIFICATION RND AND PUSHBUTTONS C MUX RANGING TB AND x A D 13 7 DISPLRY REALTIME CLOCK OPTION B 12 6 5 TRIP LED RR A DEADMRN CIRCUIT 4 3 3 J INST TTRIP15 T D TRIP MONITOR LED N 1 1 A 10 2IV BAT x f DC DC V 1 5V BAT COMMUNICATIONS OPTION 9650A74 Sub 1 CM CM Figure 1 MMCO Block Diagram co Courtesy of NationalSwitchgear com ...

Страница 17: ...1 1 41 121 2 SSSM FIGURE 2 MMCO Multiphase Overcurrent Relay 17 Courtesy of NationalSwitchgear com ...

Страница 18: ...I L 41 121 2 FIGURE2a WRELCOM PONI Communications interface Device 18 ...

Страница 19: ...PE MULTIPHASE OVERCURRENT RELAY SCROLL SELECT FUNCTION ENTER TARGET RESET EXTERNAL RAISE SCROLL LOWER VALUE CAT NO I L 41 121 1 SCHEMATIC 9649A98 50 60 HZ JLIklk U N I 1609C17 Made in U S A 1609C17 Sub 13 Figure 3 MMCO Front Panel 19 Courtesy of NationalSwitchgear com ...

Страница 20: ...CO z 1 9 LU 8 7 6 5 4 3 2 1 09 08 07 06 05 04 03 02 01 o o o ooooo co in o f oooo co in o r coo o o m co N oo i o CM o CM CM CURRENT IN MULTIPLES OF SETTING I MCO MMCO 2 SHORT TIME INVERSE DWG NO 605879 REV DATE OCTOBER 1992 0 FIGURE 4 20 Courtesy of NationalSwitchgear com ...

Страница 21: ...O Z 1 LU 8 1 i 9 H 5 4 3 2 1 09 08 07 06 05 04 03 02 01 o o o ooooo co in co coo o o co rt in o h coo o in co N coo o CM O CM CM CURRENT IN MULTIPLES OF SETTING MCO MMCO 5 LONG TIME INVERSE DWG NO 605882 REV DATE OCTOBER 1992 0 FIGURE 5 21 Courtesy of NationalSwitchgear com ...

Страница 22: ...9 LU 8 7 6 I 5 4 3 2 1 09 08 07 06 05 04 03 02 01 CO Tt IT CD Is COCD O O O O OOOOO CO in CD h 00050 o o ID CD 1 000 1 C J o CVJ CM CURRENT IN MULTIPLES OF SETTING I MCO MMCO 6 DEFINITE TIME DWG NO 605881 REV DATE OCTOBER 1992 0 FIGURE 6 22 Courtesy of NationalSwitchgear com ...

Страница 23: ...D z 1 9 LU 8 7 6 I 5 4 3 2 1 09 08 07 06 05 04 03 02 01 o o o ooooo co m o h coo o o CO Tt LO D Ncooo in CO h 0005 r o CVI o M CVJ CURRENT IN MULTIPLES OF SETTING MCO MMCO 7 MODERATELY INVERSE DWG NO 605880 REV DATE OCTOBER 1992 0 FIGURE 7 23 Courtesy of NationalSwitchgear com ...

Страница 24: ...4 C 3 s 3f Z 1 LU 8 X X V 9 3t X 24 7 X s 6 X N X 1f 5 s n s A X X 3 9 2 X 6 X 1 09 2 08 07 06 05 04 03 02 01 o o o o o o o o CO in 0 N 000 O co Tfr un 0 h oooo o to o r oooi o 04 O CM CM CURRENT IN MULTIPLES OF SETTING I MCO MMCO 8 INVERSE DWG NO 605878 REV DATE OCTOBER 1992 0 FIGURE 8 24 Courtesy of NationalSwitchgear com ...

Страница 25: ... 9 LLI 8 7 6 l 5 4 3 2 1 09 08 07 06 05 04 03 02 01 o o o o o o o o co m co Is co050 CO T j IT CO h COO o O in co coo o CNJ o C J CM CURRENT IN MULTIPLES OF SETTING i MCO MMCO 9 VERY INVERSE DWG NO 605877 REV DATE OCTOBER 1992 0 FIGURE 9 25 Courtesy of NationalSwitchgear com ...

Страница 26: ... v X X N 63 v 4 s 54 3 45 X sT 3t 2 2 1 V 1 t X X 09 X 08 N 07 X 06 9 X 05 04 6 03 V 3 02 01 o o o ooooo CO U ON COCOO CO LO CD SCOOO O m co x cooi o CM o CM CM CURRENT IN MULTIPLES OF SETTING I MCO MMCO 11 EXTREMELY INVERSE DWG NO 605876 REV DATE OCTOBER 1992 0 FIGURE 10 26 Courtesy of NationalSwitchgear com ...

Страница 27: ...P RNUN COM COM RR COM GND D EXT DIR CONTROL A OPTO ISOLATOR INST RNUN ALARM BAT BAT A _Aw CURRENT TEST JACK m r n no B C A N TEST SNITCH i 0 0 0 0 0 I I PH 0 i 9 5 7 3 V COM CHASSIS OPERATED SHORTING SNITCH TIMER START CONTACTS O i i 1499B70 Sub 4 O l20Vac NL Figure 11 Typical Time Curve C IEC 27 Courtesy of NationalSwitchgear com ...

Страница 28: ...0 0 t RANGING MICRO COMPUTER I OB TRIP TEST TRIP I 0 O O _ _ n n 4 CPTICN B C G 1 N I R 1 DERD MRN CIRCUIT ALTERNATE R POS X REMOTE T RESET LA COMMUNICATIONS OPTION 7 51 IS o X r O X OPTO 1 ISO 51 20 NEG REMOTE RESET OPTION ALTERNATE B POS 4 GRD 30 CKD 10 OR H3 CKRC DIREC DIREC L O OPTO 51 ISO 18 51 19 OPTO ISO Q X 51 20 NEG DIRECTIONAL OPTION 51 TIME OVERCURRENT RELAY MMCO 52 CIRCUIT BREAKER CM 1...

Страница 29: ...IC 10 MONTH IB IB IB IB SCR SCROLL SCR SCR SCR SCR SEL SEL SEL SEL SEL SEL SEL IC IC IC IC REAL DAY DATE TIME GND PICKUP DAY 10 10 10 10 SCR SCR SCR SCR SCR SEL SEL SEL SEL SEL SEL TIME DATE TIME DATE TIME DATE TIME DATE PHASE INST YEAR SCR SCR SCR SCR SCR SEL SEL GND INST HR SCR SEL SEL PH TIME DIAL MIN SCR SEL SEL GND TIME DIAL SEC SCR SEL OPTION SEL PHRSE CURVE SEL GND CURVE SEL FREQUENCY SEL D...

Страница 30: ...3 G G 6 7 2 EXT DIR CONTROL A OPTO ISOLRTOR 3 Z 2 3 INST RNUN D R 1 9 1 8 1 9 2 0 Z RLRRM BRT BRT LA AJ CURRENT TEST JRCK rvT rvr c B R N r TEST SWITCH O 0 0 0 0 0 OH CH 0 9 5 7 3 B 2 WHEN USED FRONT VIEW CHRSSIS OPERATED SHORTING SWITCH N C RESET A FOR REMOTE RESET OPTION 9649A98 Sub 3 Figure 14 MMCO Terminal Connection Drawing 30 Courtesy of NationalSwitchgear com ...

Страница 31: ...3 JB DSDF04M BR3 TO PS MODULE 3 H5 R7 W13 CLo All 2 I TI WV 4 75K X 4 CI 5 SS PS CM x c i CIO oc cn ID T a sis Oluf 02uf h6 CM H14 pp sr 4 a a X X S 2 4 L C9 CHi A15 CR3 05 Oluf DJIN536 J 2 f 3G A4 wv V21CL R1I 300 C4 V5CL 3 DSDF04M BR4 T4 3 N7 RB MIS GLo AI2 2 WV 4 75K X X 1 C12 t SS PS CI6 02 u ID ON v v r o z sis Oluf CM 02uf sr H16 pp 4 2 A5 X X T o R13 2 4 4g V cs cn AW Toiuf 3 32K CIB L CR5 ...

Страница 32: ... u R 12 OJ in t CR u R8 R R R4 C 1 5 D4 lI Cl BR3 CK i m OJ cs u rr OJ u a i rcDi a a y_ cn X X rv in CD Q n or a O IX u u Cl si US MMCO CT MODULE 1613C99G SUB i m rm 1613CB5 1613C99 Sub 1 Figure 16 MMCO ct Module Assembly Bottom 32 Courtesy of NationalSwitchgear com ...

Страница 33: ...UM XT4 LI n u 4 1 I at 4 1 1 0 M7WI1 4 I TO W l 1 1 4 n 13 401 T 14 OTWlf 75 4 iii 01SPLAY HOOULC IS W t Wl J B s SAWMn n 4 AW nw 74 1 74 1 4 HTHI IS wttti An s 74 4 74 1 74 1 M 7 W 7 I I 17 WW71 1 s WII 23 2 1 TS WII 22 W 4r WII119 TB L si g siegii8 s r i i i t 7 I S Mill ail 1 r 4 I riIIIMI 9 II 1 1 l 1 ll I1 al1 MI41 9 l w pt I all Mill 1 F i n II 1 i t wf XtlM US t JI CI7 J I HR ALE RO DO NC T...

Страница 34: ...B Z2 M P U9 L JHP3 SIGfa s I K LUJ HIGH LEVEL GAIN FRONT VIEW CL NORM z TP2 PI US NV RNg Cl rnx r rv co I U u in z CL cn Y l CL 0 m ZD U2 TT u EE OL C3M nj C22 u 3B U l l 1G13C87 REAR VIEW G in t J4 ci A l 1613C96 Sub 1 Figure 18 MMCO Microprocessor Module Assembly 34 Courtesy of NationalSwitchgear com ...

Страница 35: ...I4 I0UT CD m 0 4 5VREF C4 BL0 2 ITRIPD C14 4 All RIB luTT C12 e z N7 4 DEADMAN AI5 4 GROUND AM ii Oluf 75 OK CLO CM ULSLM239 G a 4 o CIS ALARM a s ro 4 CM AI2 A QC C3 9 12 o AI6 OVERRANGE 1 CIS GLO luf ULSLM239 1 1 14 RANGE1 4 A 3 U1 3 13 8 12 AHi UI 4 ULSLM239 1 0 A14 fil m g C5 Clj 2 W BHi CI4 ULSLM239 luf a o 4 A15 A3 C3 15 CHi 5V U3 4 Ld a 2GV AI6 R42 R41 A5 RATIO 2 4 2IV 3 SEL2 IB 1 O AM VvV ...

Страница 36: ... O cl E37 or 0U 0 U3 S3S CL R3h R3 O _ 02 fC4 ETHl R4 z sz O0 cl R 1 HI I R 1 21 RZ Z RT5 R6 E7En RT0 rra RT7 EH R 1 II ro OJ U CL CL Q4 ET O in OJ OJ N a IT721 rnc cn R 1 u I R3 i znn D2 a IcTI Q3 HS 1 Q 1 1613C89 m n i l ii HzT HS2 1614C02 Sub 1 Figure 20 MMCO Power Supply Module Component Location 36 Courtesy of NationalSwitchgear com ...

Страница 37: ...3 ZXL n R 17 L 3 cvj DBG W v 1 1 00K 1 1 4 6 4 Ql B 7 n RED 0SVN3515L LM1G255S J4 TO UP TP4 5V 7 4 CIO TP2 _5 j 2 VAREF CB LL 2 V C9 R52 I OK DGROUND 22uf RED 2 4 uf 4 i 4 U4 VAREF 5 9 e G 2 7 3 10 4 1 8 5V BOOST V C AP OSC 2 7 U8 Cll ili 11 FUNC SELECT 3 G 3 S 1 O o vcc A 6 GND LV 1 2 4 5 Oluf B C7 CAP VOUT 7 1 3 FUNC SCROLL 3 10uf OR C O S2 O fi R 19 g e 14 17 FPDATA ICL7B60SIPA 4 QH D 3 18 FPLO...

Страница 38: ...ront View 06 TP 1 El c ES2 RST C7 R3 nj Ul S2 SI 3 Q R8 R7 0 CG R5 U8 R3 Icnl S8 S3 S4 LO rv LD Ul LT i_r C8 nnco DISPLAY MODULE 1 G 14C03G SUB 04 C I O 1613CS5 C9 5 V Rear View IB J4 i 1614C03 Sub 1 Figure 22 Display Module Component Location 38 Courtesy of NationalSwitchgear com ...

Страница 39: ...3 ITRIP 3 TCP RR R3 A12 CR3 1 OOK AM 9 RG 18 3 Wv C12 B K2 C3 h 4 I 5 6V C2 1 150ohm T CR 1 CIO C14 R 1 i 24 V lOOOpf R9 20V Oluf luf 0 25K 20 OK _ _5_ 4 I lOOOpf 13 rti 0 TDANUNLO ULJ4N35 n CGROUND 5 V R8 R4 RIO U2 CR4 CIG l OOK AM 9 R5 8 r 19 N AD 3 I 20 OK l LOOM f MV K 1 I lI50ohm 5 4 I lOOOpf 11 5 6V D AH TDTRIP Cl T CR2 2 B H R2 24 V lOOOpf CH 8 25K T 20V 4 C15 lh Oluf n l _ _5_J luf TCG Cl ...

Страница 40: ... CD CO X U m ru o o 3 CD S 03 r ncsn x X Ln PJ P R E Z O EEB UD UD I cl PQP rvcn riCR3l Q l m X X E X ZD SI rcRU cf RST o I S 1613C92 SUB TOP I O 16 MC01 G I U I uuvYuTnru T7 u TT TT 1614C01 Sub 1 Figure 24 MMCO I O Module Component Location 40 Courtesy of NationalSwitchgear com ...

Страница 41: ...ANEL I CRSE SPACERS FOR THIN PANELS 5 16 18 SCREW FOR THICK PANELS USE 5 16 18 STUDS INTERNAL EXTERNAL ZVC TOOTH WASHERS 190 32 SCREW 1 813 46 05 2 0 50 8 i NOTE 1 0 PROJECTION HARDWRRE MUST BE ORDERED SEPARATELY 594 15 09 563 DIH 25 4 2 688 68 28 14 29 2 HOLES 1 344 34 14 5 375 136 53 FOR THICK PANELS USE 190 32 STUDS 250 01GC 397 0 6 350 T5 11 1 031 26 19 1 344 34 14 375 R 9 53 TYP 594 15 09 T 1...

Страница 42: ...municaitons connector is accessible from the back of the MMCO relay The two types of communication available are RS232 C which uses an optionally isolated RS232 C interface and INCOM which allows connection to the INCOM network The INCOM net work is a two wire network which can consist of up to 2500 INCOM equipped relays controlled by a single controller An IMAC controller is used to communicate w...

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