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Courtesy of NationalSwitchgear.com

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Summary of Contents for MDP

Page 1: ...DP DIGITAL TIME OVERCURRENT RELAYING SYSTEM s r N 5 r SRW DCi AY t 1 tf yI X 513 i v s f S I 5 mm V MODEL MOP2120000 6 AMPS 48 136 VDO i Vp 100802 QEK v f A J i Wli V 7 i Courtesy of NationalSwitchgea...

Page 2: ...ions Address OUTPUT CONTACT CONFIGURATION 13 13 13 13 13 13 14 14 Display and Reset Self Test and Error Routines CONSTRUCTION Internal Connection Diagram Displays RECEIVING HANDLING STORAGE ACCEPTANCE...

Page 3: ...er Photo 8919557 These instructions do not purport to cover all details or variations in equipment nor provide for everypossible contingency to be met in connection with installation operation or main...

Page 4: ...hase and ground current measurement CURRENT RANGES Nominal Current Inverse Time Unit Instantaneous unit In Is Ground 1 5 to 13 125 Amps 0 5 to 4 375 Amps 0 1 to 0 875 Amps Phase 5 Amp Nominal 1 5 13 1...

Page 5: ...rt circuit current flowing through any given relay is more dependent upon the location of the fault relative to the relay than on the system generation setup at the time of the fault The extremely inv...

Page 6: ...l generate a new fault report when the fault current drops below the pick up value and a new fault occurs The time delay adjustment of the time unit should be chosen to assure selectivity with the pro...

Page 7: ...ltages up to 300 VDC The output contact is also rated for Capacitive trip devices Interrupting 50 watts resistive with a maximum of 2 amps and 300 VDC Continuous 5 amps with 300 VDC maximum 25 70 Hz N...

Page 8: ...Ground Unit model 5 0 3 to 2 625 Amps in cumulative increments of 0 075 0 150 0 30 0 6 1 2 A Ground Unit model 6 0 05 to 0 4375 Amp in cumulative increments of 0 0125 0 0250 0 050 0 1 0 2 I Time Dela...

Page 9: ...All values are adjusted with dip switches located at the front of the relay except the communications address which is located on the rear of the cradle m INSTALLATION REPLACEMENT OF A COMMUNICATIONS...

Page 10: ...If the measurement exceeds the fixed setting a Pickup LED lights on the front of the relay Remove the communications card from its protective packaging Insert the card into the SIMM socket at a 45 ang...

Page 11: ...0 14 T Dial 0 018 0 0 02 1 U p 53 VERY INVERSE From 1 1 to 4 times the pickup TOC 52 954 rTn 5 T Dial 0 018 0 923 2 11 1 P From 4 to 31 times the pickup TOC 28 447 T 1 007 Dial 0 018 L 1 702 1 P 77 E...

Page 12: ...e is exceeded a Pickup LED is lit on the front of the relay and a user programmable timer is started When the timer times out the relay trips and a Trip LED is lit on the front of the relay The trip l...

Page 13: ...t left left left left For one amp models the INVERSE curve is defined by BS142 The time delay of the definite time curve is the range times the time dial for 1A relays and the range times the time dia...

Page 14: ...two decimal points illuminated The values displayed indicate F8 F9 Last trip data F5 to F9 is retained provided auxiliary power is maintained With only a two digit display the maximum operating time t...

Page 15: ...is given Phase A trip A red LED indicates that the A phase unit has produced a trip Once in operation partial EPROM checks are made If any one of these checks gives an error signal the relay goes to...

Page 16: ...sulting from handling is evident file a damage claim at once with the transportation company and promptly notify the nearest General Electric Sales Office Apply current to the relay and verify that th...

Page 17: ...9 11 1 02 1 13 0 30 0 33 2 10 For the Definite Time Characteristics based on any current input the time should be half of the maximum value Verification of Time Dial Set the relay at the minimum pick...

Page 18: ...e interface to the relay for operating personnel This interface is available in two different serial communications protocols RS232 and RS485 To determine if your MDP contains this interface check the...

Page 19: ...e menu bar and holding the left mouse button down moving the mouse cursor to the desired entry and the releasing the mouse button 9 Keyboard Activating the hot key is the combination of holding the AL...

Page 20: ...e keys will cause the movement in the list box to repeat until the key is released To exit from the dialog box and clear it from the screen the user selects either the OK button or the CANCEL button T...

Page 21: ...e list of currently configured MDP systems contains the unit description phone number baud rate and multiplexor switch code for each MDP system The first keystroke other than the arrow keys will clear...

Page 22: ...hlight one of the selections and the UP DOWN ARROW keys to choose one of the three choices An X in the brackets indicates that choice has been selected and no X indicates that choice has not been sele...

Page 23: ...4 is the Function key F4 not the F key followed by the 4 key Once the breaker status has been cleared from the screen the Breaker status dialog box will be redisplayed Use the ALT C hot key or click o...

Page 24: ...ys will toggle between the tone and pulse choices The TAB key will move between the selected dialing type and the OK and CANCEL choices in the box Once the dialing type has been chosen selecting the O...

Page 25: ...is limited to 20 characters After the description has been entered the user can either click on the OK button with the left mouse button or use the ALT 0 hot key to accept it Selecting the CANCEL butt...

Page 26: ...ill produce a dialog box with the exit message Selecting the OK button with the mouse or using tire ALT 0 hot key will exit MDP LINK Selecting the CANCEL button will return to the program without exit...

Page 27: ...nment type of relay and the user s experience with periodic testing Until the user has accumulated enough experience to select the test interval best suited to his individual requirements it is sugges...

Page 28: ...CURVES 10 I i i 77 nn JbrfiM T 10 9 8 m 7 e 6 c 5 D I 4 O o 3 a c Q I 2 r S p e t x 1 t i n g 0 5 s 0 1 r Instantaneous 0 01 wwsti 10 100 1 1 Multiples of Pickup Settings Figure 1 GES 9869 Inverse Tim...

Page 29: ...RELAY MOP RELAY INVERSE LONG TIME CURVES m i i 100 i T9 C 10 U c BM IMl 1 0 05 Instantaneous o oi 100 1 10 Multiples of Pickup Settings Figure 2 GES 9870 Long Time Inverse Time Curve for the MDP 29 C...

Page 30: ...Y MDP RELAY VERY INVERSE TIME CURVES i 10 s T 10 i 9 V 5 I 8 1 m 7 6 e X i X 5 K D s u 4 i p a 3 Z 5 e t 1 t i HJ 0 1 n wr 0 5 g s L Instantaneous 0 01 B wH S6S iflJwm n rasi 1 100 10 1 Multiples of P...

Page 31: ...VERSE TIME CURVES 10 Vi 1 m v c t o wntmu s V c i T V i F m 10 9 e 8 7 6 i 5 a 4 3 0 1 s z rvwumm r w i m x v e t 1 t i 0 5 n g s w 0 01 100 1 10 Multiples of Pickup Settings Figure 4 GES 9872 Extreme...

Page 32: ...ES 10 s 10 9 a 0 3 7 m 6 e i z 5 D 4 P i 3 a I l fm 2 S o t i t i 1 i n g S 0 5 0 1 faB MSSa Vlt Jll 0 01 wnv i r V i i Io MULTIPLES OF PICKUP SETTINGS Figure 5 GES 9880 Inverse BS142 Time Curve for t...

Page 33: ...l I TARGET RESET h i I T I I I U COM cr DIG INPUTS e 3 DIG INPUT 3 BKR TAT DIG INPUT g DLK GN5 COM CT DIG INPUT t DIG INPUT l filK IOC j 06 S BIOC 4 BOND BREAKER STATUS k PROCESSOR BOARD SETTINGS DIS...

Page 34: ...7 5 8 DRILL 2 HOLES _ I _ 15MM 5 000 127MM 2 781 71MM t 19 32 1 1 75 I f 46MM I 19 16 CM I CUTtDUT g 3 50 xT 88MM I 5 562 142MM 10 000 254MM f 9 75 247MM i J 1 I I 4 50 13 32 H fMMj T I I 3Vr i 2 843...

Page 35: ...100682 p fi b va r Vj f i i y A H Cp is the commu digital input conr ications and communicationaddress ector 1 i i Figure 8 8043802 Typical Surge Ground Stud Location 35 Courtesy of NationalSwitchgear...

Page 36: ...5 7 D_ a_ Q o u o 3 cr TPH u i 8 18 16 12 13 14 15 17 T3 w 9 5 O r f P PH Lo I f f I CLOSE TRIP 52 ALARMS I f CRITICAL L 52 ALARM m o C 6 r 4 Q i 3 7 GRD L A o CC2 CCS CC1 P S o 5 D 52 8 COMM PORT TC...

Page 37: ...K2 K4 to X Vr N 7 o a o o o H PH 3 B O P_ 9 14 15 13 17 16 12 18 5 trs r r PH 7 GRD x fit CLOSE TRIP 52 ALARMS f I 8 c B P CRITICAL ALARM f n o _L 52 a B CC1 CC2 CC3 P S o T A O 8 COMM PORT o 52 TC 3...

Page 38: ...ELAY WITH COMM SOCKET 1 SETTING GUIDE A 51 T1 IOC DELAY 0 05 SEC MINIMUM B BUS FAULT l 15 CURRENT L 51 T 1 IOC PICKUP HIGHEST OF 51 FI F2 F3 IOC PICKUP 51 T 1 IOC PICKUP CD 51 F 1 F2 F3 IOC DELAY 0 SE...

Page 39: ...BLOCK 3 CJQ C O iO oo o to LA o u sO u JO O 3 o c ft cr ct O o AUXILiARY BRUSH 3 TERMINAL BLOCK X SHORTING BAR NOTE AFTER ENGAGING AUXILiARY BRUSH CONNECTING PLUG TRAVELS l 4 INCH BEFORE ENGAGING THE...

Page 40: ...CJ L P cJ C O O O CJ CJ P pq co TS 73 75 CJ Cu c fl c W 3 l l 3 d O cJ O x c c c o a a a c o a J d5 i o O vf LJ C C CJ Qj U c O d O mo Cd I u cu CU 1 Jd JC J u cu o 9 o cj CJ o a o D L C E m m I M I T...

Page 41: ...t 4 jSilLfchih j sj immmmM ii AT S v i1 I 9 i i Figure 14 8919562 Front View of MDP Relay with Nameplate and Settings Board Removed Showing the Option Card Pushed Down to Permit Installation of the Co...

Page 42: ...GEK 100682 i Figure 15 8919567 Digital Input Communications Board Without the Communications Upgrade Card 42 Courtesy of NationalSwitchgear com...

Page 43: ...a GEK 100682 W s j r V L 4 7 Si C Figure 16 8919568 Digital Input Communications Board With the Communications Upgrade Card in Place t T yj 43 Courtesy of NationalSwitchgear com...

Page 44: ...K 100682 i ii U if 5 i i t i 1 I I Figure 17 8919561 View Showing Communications Card Installed Before DI Comm Board is Raised Back into Position 44 v _ r TV r r V r y 9 Courtesy of NationalSwitchgear...

Page 45: ...4 GEK 100682 i 1 i 1 f M i t i f l l l l l x i ft Figure 18 8919559 View Showing DI Comm Board in Position with Communication Card Installed 45 Courtesy of NationalSwitchgear com...

Page 46: ...r GEK 100682 i I Figure 19 8919563 Rear View Out of Case Showing Communications Address Selection Switches 46 Courtesy of NationalSwitchgear com...

Page 47: ...R 25 PIN D TYPE MALE FEMALE TX CPI 2 TO X RX CP3 RD 3 4 RTS CTS 5 TO 4 TO RELAY DCD PC DSR 22 Rl DTR 20 GNP CP2 7 GND B RELAY REMOTE COMMUNICATIONS TO PC DIRECTLY 8 PIN COMM PORT CONNECTOR 9 PIN D TYP...

Page 48: ...ALE TXA CP1 TD RXB CP3 DSR Rl TO RS485 CONNECTOR 7 RTS CTS 1 DCD GND B RELAY REMOTE COMMUNICATIONS DIRECT TO PC 2 WIRE CONFIGURATION TERMINATION 120 OHM TERMINATION JUMPER 2 WIRE RS485 JUMPER NO TERMI...

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