USER MANUAL - seb barlassina
Contents
1. 4 Ss uu uu KA 0000 1 2999 d Oud ANIL ALVO LOL lt lt lt OI lt lt lt 0 SLY ELY LLY 2999 1 1 2999 d 2999 08 2999 d 2999 di 2999 d 2999 1 lt lt OI lt lt OI or or I I lt lt 1 lt lt lt I SUALNNOI Old 64 8H 24 9 Sd ba 84 ss wu yy 5IG 2 eyed TH IH Ia LLO AA T9I0 uoJuu uu uu uu uu uu uu uu S MM MM TH OI Ta I Ta CI TH IX DIC TH 101 2 TH AVIHI TH eeee TH TH SINHAH 09 6o 80 20 90 90 o co LO X X S LVLS XX XX OI XX XX CI 5 d 29I0 SOLVIS MM MM ZH SOLVIS 999 f 5592 TI SAVTIHY ZN LN Snjejs Snjejs Snjejs Snjejs 503225 Snjejs SOLVIS SOIVIS SINHAH 3 lt lt lt OI l2. From FIGURE 1 D1 D2 D3 D4 D5 SET UP NOMINAL prim Ion prim DISPLAY CONTRAST VALUES on j A eeeeeeee LEV n E1 E2 E3 4 5 THRESHOL gt CCC gt eeeee TA I gt TA I gt SET UP nn nn XXXXXX XX XX S gt gt gt gt INDIP gt gt gt gt nn nn XXXXXX XX XX S ZZ ZZ608 eeeeeeee gt gt gt ccc gt gt gt INDIP gt gt gt gt gt gt nn nn XXXXXX XX XX S 22 22 8 gt gt gt gt nn nn XX XX S 22 22 8 gt gt gt gt T NDIP TA gt gt TA gt gt nn nn SOOO Re G 22 22 5 gt gt gt Io gt gt gt T NDIP TA gt gt gt TA gt gt gt nn nn XX XX S 22 22 5 1 2 4 F5 F6 F7 RELAYS R1 1 gt R gt gt R1 I gt gt gt R1 Io R1 gt gt R1 gt gt gt FUNCTION NORM ccc XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX F8 R2 TEST RI NORM ccc NORM ccc R4 NORM ccc G1 G2 G3 DIGITAL DIG1 DIG2 cc DIG3 INPUT H1 CONFIRM PROG To FIGURE 3 Figure 2 11 DISPLAY AND PROGRAMMING SEB Divisione Elettronica e Sistemi
3. gt gt gt gt gt red lo red auxiliary supply available fault condition detected by SELF DIAGNOSIS software or by PILOT WIRE FAULT MONITORING function communication session active on RS485 port trip condition on gt threshold trip condition on gt gt or gt gt gt thresholds trip condition on lo lo gt gt lo gt gt gt thresholds The last trip condition threshold indication is also showed on front panel display more information on trip condition are presented in the recorded EVENT see par 5 10 SEB Divisione Elettronica Sistemi PROGRAMMING AND TEST 4 PROGRAMMING AND TEST The protection relay is easily programmable following the instructions in the next paragraphs e HOW TO PROGRAM THE PROTECTION RELAY e HOW TO MODIFY A VISUALIZED PARAMETER All parameters can be freely modified the proper protection set up as required by the plant management is submitted to the operator s judgment 44 Howto program the protection relay The programmable parameters are showed in Figures 1 2 and 3 at the following references B2 B7 relay address RS485 and date time C1 relay function D1 D5 nominal values contrast etc 1 5 thresholds time delays F1 F7 output relays functions G1 G3 digital input functions R1 R12 partial trip counters reset The programming sequence is the following 1 SELECT the visualization on display of the parameter to
4. DIVISIONE ELETTRONICA SISTEMI IFX4N DIGITAL OVERCURRENT AND EARTH FAULT MULTIFUNCTION RELAY USER MANUAL P500D802 April 2005 SEB Divisione Elettronica Sistemi INDEX INDEX GENERAL CHARACTERISTICS ote cect edict aut comen doctae suis 1 2 sella si 4 FRONT PANEL LED SIGNALING S oo lato tate dista tat tein 5 4 PROGRAMMING AND TEST adire aad de cds 6 4 1 How to program the protection 6 4 2 Howto modify a visualized 7 43 ROSO rin Re ee PERE DT anda dI iii 7 4 4 2 nei od eto n oa De ne pd 8 5 DISPLAY AND PROGRAMMING ecg doni ipo dipinta 9 Del display aote it 9 5 2 Visualization tte turi os 10 5 3 Address and Time fig retinent reete ete 13 5 4 Protection function selection fig 11 telo cei cet succeeds ccd 14 5 5 Nominal values set up flg 2 ooi 14 5 6 Thresholds and time delays set up fig 2 16 5 7 Output relays programming 10 21 18 5 8 Digital inputs function programming fig 2 19 5 9 Parameter values visualization
5. 26 SEB Divisione Elettronica Sistemi INSTALLATION I1 IR 141 12 15 s1 P1 Il S2 P2 2 2 127 DIG 1 lt e 4 1 P2 Holmgreen Insertion 27 SEB Divisione Elettronica Sistemi INSTALLATION 172 9 Dimensioni meccaniche Case outlines N 4 fori 24 6 Dima montaggio da incasso Flush mounting panel cut out Montaggio incassato Flush mounting Dimensioni pannello frontale trasparente Transparent front panel sizes 208 x 89 5 mm 28 SEB Divisione Elettronica Sistemi INSTALLATION 6 3 Relays and R4 Signaling Command set up The protection relay is supplied with R3 and R4 relays configured as SIGNALING RELAYS with 2 change over output contacts with breaking capability equals to 0 2 A at 110 L R 40 ms 100000 operations Each R3 and R4 relay can be configured as COMMAND RELAY with 1 change over output contact with breaking capability equals to 0 5 A at 110 Vdc L R 40 ms 100000 operations The new configuration is obtained with the following cabling 6 4 RS485 serial communication port The digital protection relay IFX4N presents an insulated serial interface RS485 half duplex that allow the multi drop connection up to 31 protection units When the STANDARD Seb communication protocol is selected the transmission speed is automatically selected between 300 to 9600 bauds and the protocol is ASCII HEX th
6. 8 the more recent event shows a lower number Q1 EVENT NUMBER El The index 1 E2 E8 identifies the memorized event The parameter cccccccc gives information on the kind of event and it can show one of the following values NONE no event memorized I event on trip threshold I gt gt gt event on trip threshold gt gt 21 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING gt gt gt event on trip threshold gt gt gt lo gt event on trip threshold lo gt lo gt gt event on trip threshold lo gt gt lo gt gt gt event on trip threshold lo gt gt gt STATUS information recorded on external command POWER ON switch on of the protection relay auxiliary power For the events NONE and POWER ON no other information is presented for the other events the following displays give more detailed information on the event 02 TRIP THRESHOLD El I gt In It shows the threshold related to the TRIP condition of the protection relay and the value of the threshold in relative terms The information is not shown on STATUS or POWER ON events Q3 ACTIVATED OUTPUT RELAYS El RELAY nnnnnnn It shows the list of the output relay activated by the threshold trip El RELAY E3 RELAY 1 4 When output relays have been activated no relays programmed to TRIP on the threshold the following message will be displayed El RELAY NONE El T Tot WWW WW
7. additional time delay TA will be added if the time delay is programmed at least equals to 50 ms digital input acquisition time 40 ms E5 DIGITAL INPUT ACTIVE ON THRESHOLD not programmable TA I It shows the digital input programmed to activate the additional time delay the displayed threshold The parameter eeeeeeee can show one of the following values 17 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING DISABLED none of the digital inputs has been programmed to activate an additional time delay related to threshold I gt DIG1 digital input DIG1 activates the TA delay on threshold gt DIG2 digital input DIG2 activates the TA delay on threshold gt DIG3 digital input DIG3 activates the TA delay on threshold gt When a TIME DEPENDENT characteristic threshold has been programmed the visualization is omitted as no additional time delays can be defined and programmed on time dependent delays 5 7 Output relays programming fig 2 The session allows to program the activation of the output relays R1 R2 R3 or R4 on START or TRIP conditions for each threshold In the programming session are displayed only the thresholds available depending on FUNCTION SELECTION set up ref C1 paragraph 5 4 Equivalent information and set up related to relay R1 is available for the relays R2 R3 and R4 just changing the relay identification F1 OUTPUT RELAY R1 QUIESCENT STATUS
8. control and monitoring system equipped with an RS485 interface or with a standard RS485 RS232 converter All the set up and measured parameters can be transmitted on the RS485 communication serial port when communication is active LED REMOTE glows the operator on front panel can view the relay set up but changes of parameters are disabled ENTER and buttons disabled SEB Divisione Elettronica Sistemi FRONT PANEL KEYS 2 FRONT PANEL KEYS The 5 push buttons on the front panel allow to visualize all the protection parameters and to modify the protection set up RESET right arrow down arrow programming session activation or parameter confirmation change or increment of the selected parameter reset of the protection relay ref par 4 3 VISUALIZATION OF PARAMETERS visualizations are circular and they be displayed using the two arrow push buttons e the structure of the visualizations and their contents are showed in Figures 1 2 and 3 e when the sealable transparent front panel is installed only the arrow push buttons and the RESET push button are accessible to prevent unauthorized modification of the protection set up MODIFICATION OF PARAMETERS e remove the transparent sealable front panel to access ENTER and push buttons SEB Divisione Elettronica Sistemi FRONT PANEL LED SIGNALINGS 3 FRONT PANEL LED SIGNALINGS POWER green FAIL red REMOTE red gt
9. fig 3 2 21266 0 eoe e 20 ec ded ed 21 5 1 TRIPS COUNTERS cete t eh ee ek ah 23 B INSTALLATION ce are eee eee ee ee ee ees 25 6 1 SUP a EDU EU UM QE rosso 25 SEMEN G oro n 26 6 3 Relays R3 and R4 Signaling Command set up 29 6 4 RS485 serial communication port nr rnrrennn 29 7 TIME DEPENDENT GURWVES ence E ERE 30 8 TECHNICAL CHARACTERISTICS 31 9i STABLES 32 Information printed in this manual subject to change without prior notice This manual must not be reproduced in whole or in part in any form or by any means without the express written permission of SEB Divisione Elettronica e Sistemi SEB Divisione Elettronica Sistemi GENERAL CHARACTERISTICS 1 GENERAL CHARACTERISTICS The protection relay IFX4N performs functions such as overcurrent and earth fault relay the user can select one of the functions listed in the table below Functions ANSI Measured currents Earth fault non directional 8IN lh Stator earth fault 95 amp S le Transformer case earth fau T lo the set up and measured parameters be visualized o
10. programmable R1 NORM Programming of the R1 relay status when no START or TRIP conditions are activated none of the measured currents exceed their thresholds NORM OFF normally de energized energized status on activation NORM ON normally energized de energized status on activation F2 OUTPUT RELAY R1 ACTIVATION ON THRESHOLD I STATUS programmable Rl I gt Programming of the R1 output relay activation START TRIP NONE when one of the phase currents exceeds the programmed threshold The parameter xxxxx is selectable as the following START instantaneous output relay R1 activation when one of the measured phase currents exceeds the programmed threshold I TRIP output relay R1 activation when one of the measured phase currents exceeds the programmed threshold level for at least TI TA seconds NONE no activation related to threshold gt 18 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING F3 F7 OUTPUT RELAY ACTIVATION ON THRESHOLD gt gt gt gt gt lo lo gt gt lo gt gt gt STATUS programmable R1 gt gt gt gt gt R1 lo XXXXX XXXXX XXXXX Programming of the output relay activation STAR TRIP NONE when one of the measured phase currents exceeds the thresholds gt gt or gt gt gt and when the measured earth current exceeds the threshold lo lo gt gt or lo gt gt gt TEST RI XXXXXXXX Example
11. CS Measuring inputs Rated phase current In Rated earth current lon Thermal withstand continuously Thermal withstand for 1 s Rated frequency Primary CT s current Output contacts ratings Number of relays note 1 Rated current Rated voltage Contact configuration Breaking capability note 2 tripping relays R1 R2 signaling relays R3 R4 R5 note 3 Mechanical life Digital inputs Number of inputs External control voltage Typical current sink Data transmission Standard Communication protocol Transmission speed Optional Auxiliary supply 1A 54A programmable 1A05A 4 In lon 100 In lon 50 60 Hz 1 18500 A 4 1 5A 250 V change over 0 5A 0 2A gt 106 3 as Uaux 2 RS485 half duplex MOD BUS ASCII 300 9600 baud selectable fibre optic module 24 320 20 Dada 48 230 Vac 20 Frequency Vac 47 63 Hz Burdens min max 5 10 Environmental conditions Operation 10 60 C Transport and storage 25 80 C Relative humidity without condensation lt 95 Protection degree for flush mounting IP 52 optional IP 54 Weight 2 5 kg Note 1 The additional relay R5 is controlled by self test program Note 2 Breaking capability at 110 Vdc L R 40 ms 100 000 operations Note 3 The output contacts of R3 and R4 relays can be configured as signaling or tripping relays SEB Divisione Elettronica Sistemi TABLES 9 TABLES Table A Thresh
12. F8 TEST OF OUTPUT RELAY R1 See paragraph 4 4 5 8 Digital inputs function programming fig 2 For each digital input one of the following functions are selectable a additional time delay related to one or more thresholds b ON OFF threshold STATUS function recording of measures external command d pilot wire fault monitoring only DIG2 monitors DIG1 When function a is programmed a message is displayed at ref E5 par 5 6 When the function of more than one digital input refers to a threshold the priority will be the following a OF selection threshold disabled has the priority on TA function additional time delay b the ALL selection ALL the thresholds has the priority on single threshold selection G1 DIGITAL INPUT DIG1 SET UP programmable XXXXXXXX Programming of the function related to digital input channel 1 DIG1 Parameter cc programming of the condition that activates the function related to digital input DIG1 the condition is selectable between HI and LO Parameter xxxxxxx programming of the function related to digital input DIG1 the following functions are selectable 19 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING NONE no functions active related to digital input DIG1 TA I gt additional time delay on threshold I gt gt additional time delay threshold gt gt gt gt gt additional time delay on threshold g
13. H CURRENT programmable Ion prim Primary current value of the installed earth the value is programmable from 0001 to 18500 A NOTE when Holmgreen insertion is used select lon prim In prim D4 STANDARD DISPLAY SELECTION programmable DISPLAY It allows to select the standard displayed information ref 1 when no trip condition occurs and no fault condition have been detected by the self diagnosis module the available selections are the following ANSI displays of ANSI code I1 displays measured phase current 11 12 displays measured phase current 12 displays measured phase current lo displays measured earth current lo The list of the selectable currents depends on the programmed FUNCTION SELECTION ref C1 the current is displayed in primary values the value depends on D2 and D3 set ups Selection examples DISPLAY DISPLAY DISPLAY ANSI Il D5 DISPLAY CONTRAST LEVEL programmable CONTRAST LEV x The display contrast level is programmable from 0 to 9 The backlighted display is switched off if no push button is pressed for at least 5 minutes when one of the front panel push button is pressed the display is switched on 15 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING 5 6 Thresholds and time delays set up fig 2 In the programming session are displayed only the thresholds available depending on FUNCTION SELECTION set up ref C1
14. S It is shown the total delay to the TRIP of the output relays from the overcurrent detection when additional delays are activated the change of the status of the digital input that controls the additional delay during the delay itself could bring to a total time different from the sum of the programmed delays If the total time is greater than 999 seconds the display of tenths is omitted Examples Q4 TOTAL TIME DELAY ON TRIP When the event is memorized on external command STATUS the message N A Not Applicable is shown instead of the number of seconds 1 T Tot N A 22 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING Q5 DIGITAL CHANNELS RELATED TO MEMORIZED EVENT El DIG es The list of the digital inputs related to the memorized event is displayed STATUS function command or additional time TA enabled ref E4 par 5 6 If no digital inputs were activated the message NONE is displayed Q6 Q7 Q8 Q9 MEMORIZED MEASURED CURRENTS ON EVENT 1 11 1 T2 1 13 1 yy yy yy yy yy yy yy yy The values of the measured currents at the event are displayed the values expressed as In and lon terms There are presented only the currents measured coherently with the selection on FUNCTION SELECTION set up ref C1 paragraph 5 4 Q10 Q11 012 DIGITAL INPUTS STATUS ON EVENT 1 1 DIG1 vv DIG2 vv DIG3 vv The s
15. be modified using the arrow push buttons 2 ACTIVATE the PARAMETER MODIFICATION session depressing the ENTER push button and modify the parameter value 3 END the parameter modification session depressing again the ENTER push button 4 REPEAT the procedure from 1 to 3 for all the parameters required to obtain the new protection relay set up 5 CONFIRM the new protection relay set up at the visualization CONFIRM PROG Fig 2 ref H1 within 5 minutes depressing the push buttons buttons ENTER up to visualize YES and ENTER again to confirm NOTE The protection relay continues to operate using the previous set up until the new set up is confirmed as at point 5 above the visualization of the modified parameters before the new set up confirmation is only temporary to allow an easy definition of the new protection set up If the new set up is not confirmed within 5 minutes from the last pressed push button the protection relay visualizes again the previous set up the parameters set up that the protection relay is still using SEB Divisione Elettronica Sistemi PROGRAMMING AND TEST 4 2 modify a visualized parameter When the parameter to be modified is visualized on front panel display do the following sequence 1 PRESS ENTER to activate the parameter modification session If one or more parameters are modifiable on the first of them will appear a blinking cursor If no parameters are modifiable no bli
16. crews to fix optionally the protection relay on the front of the 19 rack 3 n 2 knobs to fix the transparent front panel 4 n 8 washers to be used to fix wire terminals current 5 n 8 growers to be used to fix wire terminals current 6 small items to fix brackets on the cabinet only CS version The knobs to fix the transparent front panel must be screwed through the panel the front panel itself the operation will create a screw thread in the plastic material and the knobs will never be missed 25 SEB Divisione Elettronica Sistemi INSTALLATION 6 2 Cabling Current circuits It is suggested to terminate the current wirings using eyelet terminals Minimum suggested wire cross section 2 5 With reference to the insertion diagram in the next page the currents measured by the protection relay have the following matching 11 terminals A1 2 12 terminals 1 B2 terminals 1 C2 terminals D1 D2 For the functions as earth fault overcurrent stator earth fault 95 64S and transformer case earth fault 64T only the current lo is measured lo terminals D1 D2 The terminal D1 D2 must to be connected to a CT sensible to earth currents 64S on star connection of the generator 64T on the earth connection of the transformer case Other circuits output relays etc It is suggested to terminate the current wiring using plug terminals Minimum suggested wire cross section 1 5 mm
17. d functions ref C1 FUNCTION SELECTION Measured current the display shows one of the measured currents the current to be visualized is selected by operator ref D4 The current is visualized as primary value if the selection of the current to be visualized refers to a current not measured depending on FUCTION SELECTION no values are presented ON TRIP CONDITION When a trip condition occurs the protection relay visualizes the TRIP message that includes the threshold related to the trip the displayed messages are as the following TRIP TRIP TRIP TRIP I gt To gt gt I gt gt gt Io The information of the trip as well the glowing of the related LEDs is displayed until the RESET push button is pressed If a new trip condition occurs the displayed information will be updated information related to previous trips are recorded in EVENTS memory FAULT CONDITION When a permanent or temporary fault condition is detected by the self diagnosis module the following message is displayed FAIL F PILOT Detected fault condition on pilot wire the function related to DIG1 digital input is suspended Corrective action verify pilot wire short or open circuit The string eeeeeeee can be 9 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING HARDWARE Detected fault condition on hardware or software resources of the protection relay all functions are suspended Corrective action replace
18. d R4 can be programmed as normally energized ON or normally de energized OFF 1 SEB Divisione Elettronica Sistemi GENERAL CHARACTERISTICS An additional relay R5 normally energized is controlled by the self diagnosis routines to report detected fault conditions DIGITAL INPUTS there are available 3 digital inputs to activate the following functions when enabled by the programmed set up e additional time delay related to one or more thresholds e on off thresholds e STATUS function recording of measures on external event e pilot wire fault monitoring For each digital input can be programmed the condition that activates the related functions HI voltage gt 20 V dc ac LO voltage 0 10 V dc ac The digital input acquisition is valid when the voltage value stays in the range HI or LO for at least 40 ms DISPLAY OF MEASURES the user can select the continuous display of a measured current primary values all the current measures can be transmitted to an external controller through the RS485 port EVENTS information related to the last 8 events TRIP or STATUS are recorded in the EEPROM memory Information includes the threshold set up and activated relays TRIP event only the measured currents the digital input status date and time of the event SELF DIAGNOSIS the software includes a non stop monitoring module that controls the functionality of all hardware and software resources of the prot
19. d events B7 TIME DATE programmable NOTE the clock is not provided with back up battery therefore a loss of auxiliary supply will force time date to the following condition 01 01 90 00 00 00 5 4 Protection function selection fig 1 C1 FUNCTION SELECTION programmable FUNCTION XXXXXXXX The selection of the active function defines the selectable thresholds FUNCTION ANSI SELECTION ACTIVE THRESHOLDS Two phase overcurrent 50 51 2 Phase DESEE Three phase overcurrent 50 51 3 Phase Two phase earth fault 50 51 51N 2 Phtlo gt gt gt gt gt gt Three phase earth fault 50 51 51N 3 Phtlo lo gt lo gt gt lo gt gt gt Earth fault non directional 51N EARTH FT Stator earth fault 95 64S STATOR95 lo lo gt gt lo gt gt gt Transformer case earth fault 64T CASE TR FUNCTION FUNCTION FUNCTION 2 PHASE 3 PH Io EARTH FT 5 5 Nominal values set up fig 2 D1 NOMINAL CURRENT SELECTION In programmable Examples In2 x A x 1 A 5 nominal phase current programmable 1 5 nominal earth current defined by models manufacturer set up 14 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING lon 5 A IFX4N model 5 lon 1 A IFX4N model A1 D2 PRIMARY PHASE CURRENT programmable In prim A Primary phase current value of the installed phase CTs the value is programmable from 0001 to 18500 A D3 PRIMARY EART
20. e documentation related to the protocol is freely available on request When the MODBUS communication protocol is selected the transmission speed can be programmed between 300 to 9600 bauds ref B3 par 5 3 It is suggested to use a shielded twisted pair AWG22 terminal 19 not connected internally can be used for shields connections 120 Ohm CONTROLLORE PROTEZ 1 PROTEZ 2 PROTEZ 3 It is suggested to terminate the serial line with a resistance 120 O 1 4 W 29 SEB Divisione Elettronica Sistemi TIME DEPENDENT CURVES 7 TIME DEPENDENT CURVES Curva Curve B Curva Curve 1000 t SECOND t SECONDI 01 OO van o 1 lthresh Curva Curve C 1000 0 1 1 linresh 20 15 K 001 1000 t SECONDI 2 1 Ithresh Time dependent characteristic Ki K 0 02s Es 1 thresh Curve IEC 255 4 A B 0 14 13 5 80 0 02 1 2 Parameter 0 01 20 00 s Ratio between the greatest I Ithresn measured current and the threshold I or lo 30 SEB Divisione Elettronica Sistemi TECHNICAL CHARACTERISTICS 8 TECHNICAL CHARACTERISTI
21. ection relay Detected fault conditions are reported by diagnostic message on the display glow of a red LED on front panel RS output relay drop off The fault condition signaling stays until faults are pointed out by the monitoring module during this condition the protection functions are suspended to avoid unsuitable tripping STATUS FUNCTION when the STATUS function is activated by one of the digital input when programmed the protection relay memorizes information related to measured currents and digital input status see par 5 10 EVENTS The recorded information allows an analysis of trip causes in co operative protection relays systems SEB Divisione Elettronica Sistemi GENERAL CHARACTERISTICS PILOT WIRE FAULT MONITORING when the function is programmed the digital input DIG2 is used to control the correct functionality of the pilot wire Digital input DIG2 is always expected to be complementary of DIG1 input HI LO or LO HI to identify faults on pilot wire The fault condition is reported as detected by the self diagnosis module but the protection functions are not suspended only the functions related to DIG1 digital input are suspended as the DIG1 status cannot be longer considered as true The fault condition is reported when DIG1 and DIG2 signals are not complementary for more then 100 ms REMOTE COMMUNICATION the opto insulated serial port 5485 can communicate with a personal computer or a remote
22. ently with the selection on FUNCTION SELECTION set up ref C1 paragraph 5 4 The partial counters are modifiable in the range from 0000 to 9999 following the standard set up procedure paragraph 4 2 R13 R15 TOTAL PROGRAMMING SESSIONS AND DATE TIME OF THE LAST PROGRAMMING SESSION TOT PRG DATE PRG TIME PRG eeee dd mm yy hh mm ss Display of the number of confirmed programming sessions from the factory set up and the date and time of the last confirmed programming session 24 SEB Divisione Elettronica Sistemi INSTALLATION 6 INSTALLATION 6 1 Supplied kit RK VERSION 19 rack installation the proper rack is supplied by SEB protection relay module IFX4N with rear socket transparent front panel for rack installation e blister with items 1 2 3 4 5 CS VERSION flush mounting installation protection relay module IFX4N with rear socket transparent front panel for rack flush mounting installation 2 brackets for flush mounting e blister with items 1 2 3 4 5 e blister with item 6 Sacchetto BLISTER 1 8 screws to fix wire terminals of current circuits 2 n 4 screws to fix the relay rear socket on the 19 rack or on the two brackets for flush mounting and 2 s
23. how one of the following values ON active threshold OFF disabled threshold programmed OFF at ref E1 par 5 6 OFF DIG threshold programmed active but momentary disabled by a digital input actual status Examples 20 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING I gt gt gt Io Io gt gt gt ON OFE ON OFF DIG M1 M2 OUTPUT RELAY STATUS The actual status of each output relay is displayed for each relay the following information is displayed relay identification R1 R2 R3 R4 relay status ON activated OFF non activated Note that ON OFF do not necessary mean energized or de energized see ref 1 N1 N2 DIGITAL INPUT STATUS The actual status of each digital input is displayed For each digital input the following information is presented digital input identification DIG1 DIG2 DIG3 digital input status HI or LO P1 P2 P3 P4 MEASUREMENT DISPLAY The actual value of the measured currents is displayed only the measured currents depending on FUNCTION SELECTION ref C1 paragraph 5 4 are displayed For each current the following information is displayed e current identification 11 12 lo e actual value expressed as In or lon e actual primary value expressed as Amperes 5 10 Events fig 3 On the display are shown the memorized information related to the last 8 TRIP events The 8 events are recorded and identified with a progressive number from 1 to
24. lowing functional tests on electrical plants The output relays are activated with the following sequence 1 SELECT THE VISUALIZATION of the desired output relay to be tested TEST R1 OFF 2 PRESS ENTER to activate the test session the message OFF will start to blink 3 PRESS and the message on the display will change as TEST R1 ON 4 PRESS ENTER to command the instantaneous trip of the output relay change of the current status The relay will stay on the new condition until the gt or RESET push button is pressed e the ENTER push button is pressed and the sequence at points 3 and 4 is repeated presenting OFF condition The same procedure will be used for 2 and 4 relays SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING 5 DISPLAY AND PROGRAMMING The contents and the structure of the displayed messages are shown in figures 1 2 and 3 the references A1 B1 B2 etc identify specific displayed messages in the figures 5 1 Standard display 1 STANDARD DISPLAY It is the standard displayed message without operator s intervention no push buttons pressed for at least 5 minutes or when the RESET push button has been pressed The displayed information is function of the protection relay status NORMAL FUCTIONING During this state the following information can be visualized as defined by set up Protection function ANSI code the display shows the ANSI codes of the selecte
25. n one of the following 16 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING INDIP independent time delay DIP A time delay as curve A IEC 255 4 inverse time DIP B time delay as curve B IEC 255 4 very inverse time DIP C time delay as curve C IEC 255 4 extremely inverse time For the remaining thresholds the parameter is fixed as INDIP independent time Parameter xx xx Time independent time delay seconds to activate the programmed output relays the output relay trips when the measured current exceeds the threshold level for at least xx xx seconds Time dependent value of the parameter K see formulas paragraph 7 TI DIP B TI DIP A TI INDIP 02 50 10 00 K 03 25 5 NOTE the index or 5 is shown coherently to the selected time delay characteristic when the push button ENTER is pressed E4 ADDITIONAL TIME DELAY SET UP programmable The selection is displayed only when a TIME INDEPENDENT characteristic has been selected INDIP at ref when TIME DEPENDENT characteristic has been programmed the selection will not be displayed TA I gt XX XX S The additional time delay TA is programmable from 00 00 to 99 99 seconds please note that at least one of the digital inputs should be programmed to activate time delay function ref G1 G2 G3 paragraph 5 8 The additional time delay TA is added to the time delay TI to obtain the output relay trip when the TI TA time expires The
26. n the front panel display transmitted on the 5485 communication serial port THRESHOLDS the following thresholds are available phase overcurrent thresholds I gt gt gt gt gt gt e earth fault overcurrent thresholds lo gt lo gt gt lo gt gt gt The available settings for each threshold are listed in Table A Related to each threshold partial and total counters of TRIP conditions are available TRIP DELAYS a programmable time delay is available for each threshold it can programmed as definite time or dependent time in compliance with IEC 255 4 standard For each threshold programmed as definite time an additional programmable time delay TA is available the additional time delay is added to time delay The additional time delay activation is controlled by the digital inputs to allow the use of the IFX4N relay with cooperating protection relays The available settings for each timers are listed in Table A OUTPUT RELAYS the IFX4N controls 4 output relays named R1 R2 R3 R4 these relays can be programmed to be activated on START or TRIP conditions of one or more thresholds START instantaneous activation of the output relay when at least one of the measured currents exceeds the programmed threshold value TRIP activation of the output relay when the programmed time delay or TI TA related to a threshold expires The quiescent state of each single relay R1 R2 R3 an
27. nking cursor will appear 2 MODIFY THE PARAMETER pressing the arrow push buttons and when two parameters are modifiable the push button allows to point out the parameter to be modified the selected parameter will blink 2 when numerical parameters pointed out the push button allows to select the digit to be modified increasing of the parameter a the digits are increased by 1 unit b the other parameters are presented following the selection list 3 PRESS ENTER to end parameter modification session The modification session is ended and the parameter stops to blink NOTE if a numerical parameter is selected out of the accepted range as shown in Table A when the push button ENTER is pressed for few seconds an error message will be displayed as Data Error and the parameter will be displayed again with the former value 4 3 Reset When the push button RESET is pressed the protection relays returns to the standard condition e reset of glowing LEDs drop off of tripped relays e reset of any parameter changed but not confirmed parameters are shown as confirmed at the end of the last programming session 7 SEB Divisione Elettronica Sistemi PROGRAMMING AND TEST e display on STANDARD MODE Fig 1 ref A1 par 5 1 4 4 Test of output relays When the output relays test is selected Fig 2 ref F8 it is possible to command an output relay one at the time to trip from the current status al
28. olds and time delays Setting 0 10 5 00 In 0 10 40 00 In 0 005 2 00 lon 0 10 10 00 lon OFF OFF OFF Resolution 0 01 In 0 005 lon 0 01 lon TIME DELAYS Definite Time Setting 0 02 99 99 s 0 02 99 99 s 0 02 99 99 5 0 02 99 99 5 Resolution 0 01 s 0 01 s 0 01 5 0 01 s Dependent time Characteristic curves IEC 255 Characteristic constant 0 01 20 00 5 0 01 20 00 s Resolution 0 015 0 015 Additional delay 0 00 99 99 s 0 00 99 99 5 0 00 99 99 s 0 00 99 99 s OTHER VALUES Burden referred to 0 3 VA phase 0 3 VA phase rated value Drop off ratio gt 0 95 Overshoot time lt 30 ms Output relays Programmable for each threshold R1 R2 R3 R4 START TRIP and normally ON OFF 1 Minimum threshold value 0 005 lon is available starting with firmware version 2 32 with firmware version until 2 31 minimum threshold value was 0 01 lon Resolution 0 005 lon is available starting with firmware version 2 31 with firmware version until 2 30 resolution was 0 01 lon 32 SEB DIVISIONE ELETTRONICA SISTEMI UFFICIO COMMERCIALE Via Segantini 5 20825 BARLASSINA MB tel 39 0362 5669 1 fax 39 0362 556622 web www seb barlassina it mail to servizio clienti seb barlassina it
29. paragraph 5 4 The information and set ups related to threshold I gt in the following points references E1 E5 are effective for all the thresholds gt gt gt gt gt lo gt lo gt gt lo gt gt gt just taking into consideration the change of the threshold identification with limits as presented in table A E1 THRESHOLD LEVEL SET UP programmable I gt ccc nn nn I gt threshold identification I gt gt gt gt gt gt lo etc ccc ON enabled threshold OFF disabled threshold available but not active nn nn threshold level expressed in terms of relative values In threshold I gt gt gt gt gt lon threshold lo lo gt gt lo gt gt gt gt gt gt gt OFF Io gt gt 01 50 12 00 05 00 2 THRESHOLD LEVEL PRIMARY VALUES not programmable Examples I XXXXXX The programmed threshold ref E1 is shown in terms of primary current the value depends on the programmed CTs primary values ref D2 and D3 paragraph 5 5 I gt threshold identification I gt gt gt etc XXXXXX threshold level expressed in Amperes primary values TIME DELAY SET UP programmable TI eeeee XX XX S Set up of time delay to the activation TRIP of the programmed output relays when the measured current exceeds the threshold level Parameter eeeee time delay characteristic For I gt and lo thresholds the time delay can be selected betwee
30. t gt gt TA lo gt additional time delay on threshold lo gt TA lo gt gt additional time delay on threshold lo gt gt TA lo gt gt gt additional time delay on threshold lo gt gt gt TA ALL additional time delay on all thresholds OF gt threshold disabled OF gt gt threshold gt gt disabled OF gt gt gt threshold gt gt gt disabled OF lo gt threshold lo gt disabled OF lo gt gt threshold lo gt gt disabled OF lo gt gt gt threshold lo gt gt gt disabled OF ALL all thresholds disabled STATUS activation of status function see paragraph 1 G2 DIGITAL INPUT DIG2 SET UP programmable DIG2 cc Programming of the function related to digital input channel 2 DIG2 the selections available are the same as presented for DIG1 ref G1 plus the following MONITOR activation of pilot wire monitor function G3 DIGITAL INPUT DIG3 SET UP programmable DIG3 cc Programming of the function related to digital input channel 3 DIG3 the selections available are the same as presented for DIG1 ref G1 5 9 Parameter values visualization fig 3 L1 L2 L3 L4 L5 L6 THRESHOLDS STATUS The actual status of each threshold is displayed only the thresholds available depending on FUNCTION SELECTION set up are visualized ref paragraph 5 4 For each threshold are displayed the threshold identification I gt 15 etc and the threshold status the status can s
31. t lt OI lt lt lt lt I I IOHSHHHIL S IVNDIS SHH ns Vn 91 91 v1 1 38fn9I4 12 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING 5 5 Address and Time fig 1 1 RELAY MODEL not programmable 5 Models A5 nominal earth fault current 5A 1 nominal earth fault current 1A The nominal phase current is programmable 1 A or 5 B2 COMMUNICATION PROTOCOL programmable B2 PROTOCOL XXXXXXXX The communication protocol is programmable between the followings STANDARD ASCII SEB protocol MODBUS Modbus protocol SLAVE When the MODBUS protocol is selected the following display is showed to allow the selection of the transmission speed B3 BAUDRATE XXXX The xxxx parameter is selectable between the followings 300 600 1200 2400 4800 9600 When the STANDARD protocol is selected the baud rate is automatically selected by the protection relay B4 ADDRESS programmable NR RELAY 001 Programmable address from 001 to 255 The number is used on RS485 port to address a specific relay when two or more protection relays are linked on the same serial line B5 RELAY SERIAL NUMBER not programmable SER NR 0012345 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING B6 SOFTWARE REVISION LEVEL not programmable SW REV ZL 22 dd mm yy hh mm ss Time and date are programmable and they are used to mark recorde
32. tatus of the digital inputs at the event are displayed The parameter vv can assume the value HI or LO Q13 Q14 DATE AND TIME OF THE EVENT El Date El Time dd mm yy hh mm ss The date and time of the event are showed 5 11 TRIPS COUNTERS In this section are displayed the total and partial counters of the output relay activation on TRIP conditions for each thresholds and the numbers of programming sessions with the date and time of the last confirmed programming session The total counters the number of confirmed programming sessions and the date and time of the last confirmed programming session are not modifiable or resettable the information related to the last programming session are used to control unauthorized access The partial counter can be modified following the standard set up procedure for parameters as described at paragraph 4 2 the partial counters are immediately modified in the memory the recorded values are immediately resetted without the need of the programming confirmation 23 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING R1 R12 TRIP COUNTERS I gt I gt P Cece Ecce Display of the partial P and total T counters of the TRIP condition related to each threshold When the value exceed 9999 the counter starts again from 0000 The counters are identified by the threshold name I gt lo gt etc there are presented only the counters related to the active thresholds coher
33. the protection relay and contact SEB post sales service 5 2 Visualization structure 1 ANSI 50 ALTERNATIVE FAIL TRIP 11 51 51N DISPLAYS eeeeeeee gt gt B1 B2 B3 B4 B5 B6 B7 IFXAN PROTOCOL BAUDRATE NR RELAY SER NR VERS SW dd mm yy mod nn nnnn XXX 22222222 22 22 hh mm ss C1 FUNCTION 2 PHASE PHASE 2 PH lo 3PH lo aaaaaaaa EARTH STATOR95 CASE TR SET UP NOMINAL Nominal data and time VALUES FIG 2 THRESHOL THRESHOLD set up SET UP FIG 2 RELAYS OUTPUT relays set up FUNCTION FIG 2 DIGITAL DIGITAL INPUTS set up INPUT FIG 2 H1 CONFIRM PROG MEASURES SIGNAL Display of SIGNALS and OUTPUT RELAYS status amp EVENTS STATUS FIG 3 EVENTS Display of EVENTS data FIG 3 COUNTERS Display of COUNTERS data FIG 3 Figure 1 10 SEB Divisione Elettronica Sistemi DISPLAY AND PROGRAMMING
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