LOVATO ELECTRIC R1D Manuals
1 pdf manual(s) LOVATO ELECTRIC R1D for free download (Document Types: Manual )
LOVATO ELECTRIC R1D Manual [PDF] (8 pages)
- Identifier: id-1439920
- Brand: LOVATO ELECTRIC
- Device: R1D Relays
- Type: PDF
- Key Aspects: System Connectivity and Wiring Basics, Troubleshooting Information, System Architecture and Design Overview
- UPD Date: 26.08.2026
- Source File: 1558523.pdf
- Pages: 8
- Description: Instruction reference guide for the LOVATO ELECTRIC R1D.
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I063 I GB 06 08 1 I RELÈ DIFFERENZIALI DI TERRA GB EARTH LEAKAGE RELAYS RELÈ DIFFERENZIALI DI TERRA R1D, R2D, R3D, R4D Regolazione tempo ritardo di intervento (vedi anche punto 3b) Regolazione corrente di guasto verso terra (vedi anche punto 3c) Dip switch di programmazione: 3a) Versione R1D auto reset - man reset auto reset = riarmo automatico man reset = ripristino manuale tramite pulsante RESET ➄ sul fronte. Per ripristinare a distanza è sufficiente togliere l’alimentazione ausiliaria per circa 1 secondo. Versioni R2D, R3D, R4D alarm off - alarm on alarm off = preallarme intervento disattivato; al superamento del valore di I∆n impostato si avrà lo scambio dei contatti di uscita e l’accensione dei LED ➆ ALARM e ➇ TRIP. alarm on = preallarme intervento attivato; al raggiungimento del 70% del valore di I∆n impostato, si avrà l’accensione del LED ➆ ALARM e lo scambio dei contatti (terminali 4-5-6). Al superamento del valore I∆n impostato si accenderà il LED ➇ TRIP e scambieranno i contatti di TRIP (terminali 7-8-9) 3b) tx10 - tx1 selezione costante per la regolazione del tempo di ritardo intervento. Esempi: posizionando il dip switch su tx10 ed il potenziometro ➀ su 0,3 avremo un ritardo di intervento al superamento della soglia I∆n di 0,3x10 = 3 secondi; posizionando il dip switch su tx1 ed il potenziometro ➀ su 0,3 avremo un ritardo di intervento al superamento della soglia I∆n di 0,3x1 = 0,3 secondi. 3c) I∆nx0,1 - I∆nx1 - I∆nx10 selezione costante per la regolazione della corrente di guasto verso terra. Le costanti in funzione della posizione dei 2 dip switch sono le seguenti: - posizione dip switch I∆nx0,1 e I∆nx0,1 K = 0,1 - posizione dip switch I∆nx1 e I∆nx0,1 K = 1 - posizione dip switch I∆nx1 e I∆nx10 K = 10 Esempi: posizionando i dip switch su I∆nx0,1 e I∆nx0,1 ed il potenziometro I∆n ➁ su 1,5 avremo una soglia di intervento per corrente di guasto verso terra I∆n di 1,5x0,1 = 0,15A; posizionando i dip switch su I∆nx1 e I∆nx10 ed il potenziometro I∆n ➁ su 1,5 avremo una soglia di intervento per corrente di guasto verso terra I∆n di 1,5x10 = 15A: 3d) Versioni R2D, R3D, R4D FS trip - off FS trip = sicurezza positiva attivata su relè TRIP; in questa condizione il relè di TRIP (terminali 7-8-9) è normalmente eccitato; quindi nel caso di mancanza della tensione ausiliaria i contatti in uscita si posizionano nella condizione di intervento (TRIP). Off = sicurezza positiva disattivata. Relè TRIP normalmente diseccitato. 3e) Versioni R2D, R3D, R4D FS alarm- off FS alarm = sicurezza positiva attivata su relè ALARM; in questa condizione il relè di preallarme ALARM (terminali 4-5-6) è normalmente eccitato; quindi nel caso di mancanza della tensione ausiliaria i contatti in uscita si posizionano nella condizione di intervento (TRIP). Off = sicurezza positiva disattivata. Relè ALARM normalmente diseccitato. Pulsante TEST. Provoca l’intervento del relè. EARTH LEAKAGE RELAYS R1D, R2D, R3D, R4D Tripping delay time adjustment (also see point 3b) Fault current to earth adjustment (also see point 3c) Dip switches setting: 3a) Version R1D auto reset - man reset auto reset = automatic reset man reset = manual reset through the RESET ➄ key on the front. For remote resetting, simply shut off the auxiliary supply for about 1 second. Versions R2D, R3D, R4D alarm off - alarm on alarm off = trip prealarm deactivated; upon exceeding the set I∆n rate, output contact changeover takes place and LEDs ➆ ALARM and ➇ TRIP light up. alarm on = trip prealarm activated; upon reaching 70% of the set I∆n rate, LED ➆ ALARM lights up and signal contact changeover takes place (terminals 4-5-6). Upon exceeding the set I∆n rate LED ➇ TRIP will light up and the TRIP contacts will change over (terminals 7-8-9) 3b) tx10 - tx1 constant selection for tripping delay time adjustment. Examples: positioning the dip switch on tx10 and the potentiometer ➀ on 0.3 we will have a tripping delay upon exceeding the I∆n threshold of 0.3x10 = 3 seconds; positioning the dip switch on tx1 and the potentiometer ➀ on 0.3 we will have a tripping delay upon exceeding the I∆n threshold of 0.3x1 = 0.3 seconds. 3c) I∆nx0.1 - I∆nx1 - I∆nx10 constant selection for fault current to earth adjustment. The constants in relation to the position of the 2 dip switches are the following: – dip switch position I∆nx0.1 and I∆nx0.1 K = 0.1 – dip switch position I∆nx1 and I∆nx0.1 K = 1 – dip switch position I∆nx1 and I∆nx10 K = 10 Examples: positioning the dip switches on I∆nx0.1 and I∆nx0.1 and the potentiometer I∆n ➁ on 1.5 we will have a fault current tripping threshold I∆n of 1.5x0.1 = 0.15A; positioning the dip switches on I∆nx1 and I∆nx10 and the potentiometer I∆n ➁ on 1.5 we will have a fault current tripping threshold I∆n of 1.5x10 = 15A: 3d) Versions R2D, R3D, R4D FS trip - off FS trip = positive safety activated on TRIP relay; in this condition the TRIP relay (terminals 7-8-9) is normally energised; therefore in the event of the lack of auxiliary voltage the output contacts move to the tripping condition (TRIP). Off = positive safety deactivated. TRIP relay normally de- energised. 3e) Versions R2D, R3D, R4D FS alarm- off FS alarm = positive safety activated on ALARM relay, in this condition the prealarm relay ALARM (terminals 4-5-6) is normally energised; therefore in the event of the lack of auxiliary voltage the output contacts move to the trip condition (TRIP). Off = positive safety deactivated. ALARM relay normally de- energised. TEST pushbutton. Causes tripping of the relay. 1 2 3 1 2 3 4 4 6 2 4 3 5 8 1 7 6 8 2 2 6 7 12 10 8 11 6 7 8 9 1 1 4 3 5 4 3 5 2 4 3 9 5 1 LOVATO ELECTRIC S.P.A. 24020 GORLE (BERGAMO) ITALIA VIA DON E. MAZZA, 12 TEL. 035 4282111 TELEFAX (Nazionale): 035 4282200 TELEFAX (International): +39 035 4282400 E-mail [email protected] Web www.LovatoElectric.com
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