Manuel d`utilisation
Contents
1. Pour le fonctionnement optimum du syst me de protection diff rentielle les recommandations suivantes doivent tre respect es R duire autant que possible la distance entre le tore et le relais Utiliser des c bles de raccordement tore elais blind s ou torsad s Eviter de placer les c bles de raccordement tore relais parall lement des raccordements de puissance Eviter d installer le tore et le relais pr s d une source de champ lectromagn tique gros transformateurs Passer dans le tore uniquement un conduceur actif des D1 Si vous utilisez du c ble blind l armature doit tre raccord e la terre des D2 Assurez vous que le conducteur soit positionn au centre du tore des D3 oke LED off LED on LED blinking Test key It allows to simulate alarm condition LED Trip switching on and output relay switching Reset key the alarm stays until the operator doesn t act on RESET key Reset is not possible with persistent residual current gt 50 Selector AI 2 AL 50 AI 2 alarm relay with double SPDT exchange AI 50 alarm relay pre alarm relay Relay marked 60 61 62 is a pre alarm state with fixed intervention threshold equal to 50 of selected An value Switch for state of output relay Nd normally de energised negative security Ne normally energised positive security Pre alarm relay is always normally de2. R glage du seuil d intervention S lection du calibre x1 x10 x100 DESCRIPTION FACE AVANT FRONT DESCRIPTION Setting intervention threshold 2 Range selector 1 x10 100 nn V rifier que la valeur d intervention s lectionn e est compatible avec le seuil de sensibilit mini du tore associ o OLED segnalazione On L h f filter l 6 Reset Test Reset Test 0 5 0 25 1 Nd 1 2 50 015 25 2 De 0 5 Check that selected intervention value matches the lowest sensibility detecta ble by the connected ring current transformer Signaling LED on Trip Fail Manque de tension alimentation auxiliaire ou appareil d fectueux Lack of auxiliary voltage supply or out of order meter Supervision Supervision Alarme Alarm Interruption du raccordement tore relais Connection breakdown between relay and ring current transformer LED teint LED allum LED clignotant Touche de test Permet de v rifier le fonctionnement tore relais commutation LED Trip allum e et commutation relais Touche de reset l tat du relais est actif jusqu que l op rateur agisse sur la touche RESET Le r armement ne pourra s effectuer lorsque le courant de d faut mesur gt 50 TA s lectionn S lect
3. energized Setting intervention delay Selecting the intervenction threshold on position 0 03 the intervention delay is automaticall excluded independently of position of range selector To set intervention threshold 30mA with instantaneous intervention select 0 03 and make sure that selector is on position 1 Instantaneous display of earth leakage current in of selected IA value On off harmonic filter ATTENTION By connecting the harmonic component filter the differential must not be used to protect people WIRING INSTRUCTIONS e Mounting position do not affect in any way the proper working Setting operations intervention threshold delay time etc must be carried out with non fed meter e Please carefully follow the wiring diagram an error in connecting the relay may give rise to irregular working or damages e Four full functional of the earth relay the following installation recommendation should be adopted To reduce as much as possible the distance between ring current transformer and relay To use only shielded or twisted cables for their connection To avoid in placing ring current transformer relay connection cables parallelly to power wires To avoid in mounting ring current transformer and relay near sources of intense elec tromagnetic fields big transformers Pass active conductor only through toroid draw D1 When using blind cable ensure ground c
4. 91 103 S 291 104 S 291 105 S 291 106 TRIP RESET TEST TRANSFORMER RESET TEST TRANSFORMER RESET TEST TRANSFORMER AUX SUF PIY TRIP RESET TEST TRANSFORMER D 060000 000 20 OO 20 OOC 20 006 OOC 20 Y y y Y a SECURITE NEGATIVE NEGATIVE SECURITY AI 50 SECURITE POSITIVE POSITIVE SECURITY S 291 100 S 291 101 S 291 102 S 291 99 TRIP RESET TEST TRANSFORMER rs TRIP RESET TEST TRANSFORMER TRIP RESET TEST TRANSFORMER TRIP RESET TEST TRANSFORMER 000 P D 091907 OG OC D OC J Z K RS
5. ion AI 2 AL 50 AI 2 relais alarme avec double contacts SPDT AI 50 relais alarme relais pr alarme Le relais marqu 60 61 62 est un pr alarme avec un seuil d intervention fixe gal 50 de la valeur s lectionn e S lection de l tat du relais de sortie Nd norm d sexcit s curit n gative Ne norm excit s curit positive Le relais de pr alarme et normallement toujours d sexcit R glage de la temporisation En r glant le seuil d intervention sur la position 0 03 le d lai d intervention est automatiquement exclu ind pendemment de la position du s lecteur de calibre Pour s lectionner le seuil d intervention ZA 30mA avec une intervention instantann e s lectionnez 0 03 et assurez vous que le s lecteur est en position x1 Indication instantan e du courant diff rentiel en de la valeur n s lectionn e Insertion on exclusion off filtre pour les harmoniques ATTENTION En raccordant le filtre pour les harmoniques le diff rentiel ne doit pas tre utilis pour la protection des personnes INSTRUCTIONS DE RACCORDEMENT La position de montage n affecte en rien le bon fonctionnement de l appareil e Les op rations de r glage seuil d intervention temporisation etc doivent tre effectu s avec l appareil hors tension Suivre m thodiquement le sch ma de raccordement une erreur peut alt rer le fonctionnement ou causer des dommages l appareil
6. onnection of armature draw D2 Ensure the central positioning of conductor through toroid draw D3 E 10781285 Guide d utilisation User s Guide Cod RD1B2 RD1E2 RD1G2 ISTRUMENTI MISURE ELETTRICHE SpA Via Travaglia 7 20094 CORSICO ITALY ILE SS DA Al Taal www imeitaly com info imeitaly com MI DIMENSIONS OVERALL DIMENSIONS 89 5 45 TORE FERME CLOSED CORE TORE OUVRANT OPEN CORE CODE PASSAGE DE C BLE lAn 1 CODE PASSAGE DE C BLE In ose CODE PASSING CABLE CODE PASSING CABLE A A l TDGA2 9 28 0 03 65 390 TDAA2 9 110 0 5 250 1500 TDGB2 9 35 0 03 70 420 TDAB2 9 150 0 5 250 1500 92 68 96 72 72 96 l TDGH2 9 60 0 03 90 540 TDAC2 9 300 1 630 3780 TDGC2 9 80 0 05 170 1020 68 RD1 2 1 ESS a L 2 9 110 0 1 250 1500 Courant min lAn valeur min lAn s lectionnable sur le relais de protection raccord la terre 75 lAn lowest current lAn lowest value that be set on earth leakage relay connected with toroid L 92 RD1G2 72 RD1 E2 TDGE2 9 140 0 3 250 1500 Courant de test correspondant 1 Imax EN 60947 2 annexe 96 RD1 G2 Test current corresponding to 6ln Imax EN 60947 2 annex M TDGF2 9 210 0 3 400 2400 SECURITE NEGATIVE NEGATIVE SECURITY SECURITE POSITIVE POSITIVE SECURITY S 2
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