MHCO MHCO-RI. General Characteristics The transducer MHCO provide a measurement of current or voltage fully isolated and safe.

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1 -TVI -RI -RV D.C. MEASURING CONVERTER Converter for D.C. Current and/or Voltage measurement. Direct connection to D.C. mains rating up to 4 kvcc. Fully isolated multi-voltage power suppy. Fiber optic connection between HV transducer and LV reciving unit. Measurement channel fully diagnosed The technical specifications reported are not binding and they should be agreed in the related contract. General Characteristics The transducer provide a measurement of current or voltage fully isolated and safe. The transducer includes three components: Transmitter, Riceiver, Fiber Optic. Transmitter The Transmitter, connected to the system, acquires the inputs and througth a fiber optic transmits it to the receiver. The test voltage isolation between inputs and power supply is equal to 0kV 50Hz 1min. Voltage Transmitter -TV Converter for Voltage measurement direct connection to D.C. line up to 4000V (voltage divider inside) Current Transmitter -TI Transmitter for measuring current, directly connected to the high voltage line through normal shunt. Current/Voltage Transmitter -TVI Transmitter current and voltage in a single unit directly connected to the high voltage line (max 4000Vcc) through the shunt. Riceiver The Receiver connected via optical fiber to the transmitter has three configurable linear analog outputs, - one relay output for alarm and internal fault. M0 -I NG -Rev. 18 Current and Voltage Receiver -RV voltage measurements -RI current measurements Fiber Optic The optical fiber used for the connection between the transmitter and receiver (equipped with ST connectors) must have the following characteristics: Plastic: 00u HCS - Glass: 6.5/15 The standard length of the optical fiber is 5 meters. (other lengths available on request).

2 Wiring Diagram - Standard version with external auxiliary power supply I V -TV -TVI -TI ALARM (OPTION) DIAG. EST.RESET (OPTION) ALARM (OPTION) DIAG. EST.RESET (OPTION) -RV -RI M0 -I NG -Rev. 18

3 3 Characteristics Voltage Transmitter -TV Directly connected to the H.V. line via internal voltage divider Power supply voltage ( 1) N.D. ( 4) (110)Vac 0% ( ) (33 70)Vdc ( 3) (85 160)Vdc ( 5) (30)Vac 0% Rated input voltage ( 1) 00Vdc; ( ) 750Vdc; ( 3) 1000Vdc; ( 4) 1500Vdc; ( 5) 3000Vdc; ( 6) 4000Vdc. Input Impedance 0 M Outputs Fiber Optic free running serial output (type = ST-ST) Fiber Optic standard length 5m (max. 50m) Measurement dynamic range 0 Vn Measurement accuracy 0.1% Vn (-0 to +70) C Sampling frequency 3. khz Response time 0.5 msec. ( compensated) Enclosure Material: BMCRF9 protection degree IP55 Connessioni Connection terminals A Bolt vite type (M6) terminals per ingressi (M6) di for misura inputs; / ST per for F.O. the F.O. / Morsetti ;.5mm per Screw type.5 mm for Power Supply Power supply consumption 5VA Characteristics Current Transmitter -TI Directly connected to the H.V. line across a normal measuring shunt Power supply voltage ( 1) N.D. ( 4) (110)Vac 0% ( ) (33 70)Vdc ( 3) (85 160)Vdc ( 5) (30)Vac 0% Rated input current ( 1) 60 mvdc; ( ) 80 mvdc; ( 3) 100 mvdc; ( 4) others on request. Outputs Fiber Optic free running serial output (type = ST-ST) Fiber Optic standard length 5m (max. 50m) Measurement dynamic range ( 1) 0 In; ( ) 0 10 In (x DIA / U-MLEs) - (1% for auxiliary output 4) Measurement accuracy 0.1% In (-0 to +70) C Sampling frequency 3. khz Response time 0.5 msec. ( compensated) Diagnostic of Shunt's interruption Signalization via Fiber Optic Enclosure Material: BMCRF9 protection degree IP55 Connessioni Connection terminals A Bolt vite type (M6) terminals per ingressi (M6) di for misura inputs; / ST per for F.O. the F.O. / Morsetti ;.5mm per Screw type.5 mm for Power Supply Power supply consumption 5VA M0 -I NG -Rev. 18

4 6 Characteristics Voltage Receiver (-RV) Power supply consumption Power supply voltage Measuring input Outputs (configurable on request) Output accuracy Response time Sampling frequency Mesurement display Diagnostic alarm relay 8VA ( 1) N.D. ( ) (33 70)Vdc ( 3) (85 160)Vdc ( 4) (110)Vac 0% ( 5) (30)Vac 0% Fiber Optic transmitter -TV 3 current loop outputs; Max. output power 0. 7VA 13. 5V 0.1% full scale (-0 to +70) C < 0.5 msec. 3. khz Led "ON" and "DIAG" Contact C/O. (Relay normally energized) Deenergized for Internal Fault (Transmitter, Receiver, F.O. interruption, Power Supply failure) Relay pick-up time < 00 msec. Enclosure ABS protection degree IP4 Insulation 500 Vac for 1 min. power supply / output 500 Vac for 1 min. relay / output Connection Terminals Bolt type terminals (.5 mmq) - ST for Fiber Optic Standard output setting range Output 1 (terminals 1-) ( 1-1) 0 0 (30)mA 0 Vn (1.5Vn) ( 1-) 4 0 (8)mA 0 Vn (1.5Vn) Output (terminals 3-4) ( -1) 0 0 (30)mA 0 Vn (1.5Vn) ( -) 4 0 (8)mA 0 Vn (1.5Vn) Output 3 (terminals 5-6) ( 3-1) 0 0 (30)mA 0 Vn (1.5Vn) ( 3-) 4 0 (8)mA 0 Vn (1.5Vn) ( 1-3) 0 10 (15)mA 0 Vn (1.5Vn) ( 1-4) Other on request ( -3) 0 10 (15)mA 0 Vn (1.5Vn) ( -4) Other on request ( 3-3) 0 10 (15)mA 0 Vn (1.5Vn) ( 3-4) Other on request Fiber Optic Fibra Ottica DIAG DIAGNOSTIC CLOSE=NORMAL OPERATION OPEN=FAULT DIAGNOSTICA CHIUSO=FUNZ.NORMALE APERTO=GUASTO M0 -I NG -Rev. 18 Power Supply Alim. Aux

5 7 Characteristics Current Receiver (-RI) Power supply consumption Power supply voltage Measuring input Outputs (configurable on request) Output accuracy Response time Sampling frequency Mesurement display Diagnostic alarm relay 8VA ( 1) N.D. ( ) (33 70)Vdc ( 3) (85 160)Vdc ( 4) (110)Vac 0% ( 5) (30)Vac 0% Fiber Optic transmitter -TI 3 current loop outputs; Max. output power 0. 7VA 13. 5V 0.1% full scale (-0 to +70) C < 0.5 msec. 3. khz Led "ON" and "DIAG" Contact C/O. (Relay normally energized) Deenergized for Internal Fault (Transmitter, Receiver, F.O. interruption, Power Supply failure) Relay pick-up time < 00 msec. Enclosure ABS protection degree IP4 Insulation 500 Vac for 1 min. power supply / output 500 Vac for 1 min. relay / output Connection Terminals Bolt type terminals (.5 mmq) - ST for Fiber Optic Standard output setting range Output 1 (terminals 1-) ( 1-1) 0 0 (40)mA 0 In ( In) ( 1-) 4 0 (36)mA 0 In ( In) Output (terminals 3-4) ( -1) 0 0 (40)mA 0 In ( In) ( -) 4 0 (36)mA 0 In ( In) ( -3) 0 10 (0)mA 0 In ( In) Output 3 (terminals 5-6) ( 3-1) 0 0 (40)mA 0 In ( In) ( 3-) 4 0 (36)mA 0 In ( In) Output 4 (terminals 7-8) Optional ( 4-1) 4 0 ma -0.75In 1.5In ( 4-) 4 0 ma 0 1.5In ( 4-3) 4 0 ma 0 1In ( 4-4) 4 0 ma In ( 1-3) 0 10 (0)mA 0 In ( In) ( 1-4) 0 15 (30)mA 0 In ( In) ( -4) 0 15 (30)mA 0 In ( In) ( 3-3) 0 10 (0)mA 0 In ( In) ( 3-4) 0 15 (30)mA 0 In ( In) ( 4-5) 4 0 ma -0.75In 0.75In ( 4-6) 4 0 ma -1In 1In ( 4-7) 4 0 ma -In In ( 4-8) 4 0 ma -1.33In 1.5In Fiber Optic Fibra Ottica OPTIONAL OPZIONALE M0 -I NG -Rev. 18 DIAG DIAGNOSTIC CLOSE=NORMAL OPERATION OPEN=FAULT DIAGNOSTICA CHIUSO=FUNZ.NORMALE APERTO=GUASTO Power Supply Alim. Aux

6 8 Overall Dimensions - Transmitter (mm) 5 9 5,5 10 Ø M6 35 -TVI , ,5 10 Ø M6 -T , Overall Dimensions - Receiver (mm) M0 -I NG -Rev R (*) 7 8 ON DIAG STANDARD VERSION (*) 4 - OPTIONAL

7 9 Reference Standard CE Directive - EN IEC6055 Dielectric test voltage IEC cat IV - kv Impulse test voltage EN5013 IEC EN5013 (EN cat OV4-18.5kV) cat IV - 5kV (EN cat OV4-40kV) Enviromental Rif.Std. (IEC 60068) Operation ambient temperature EN class C1 (3k5) -10 C / +55 C Environmental testing ( Cold) ( Dry heat) ( Change of temperature) ( Damp heat, steady state) Resistance to vibration Resistance to vibration and shock (bump-shock) Sismatic stress resistance CE EMC Compatibilità Electromagnetic emission Conducted disturbances immunity test Radiated electromagnetic field immunity test Electrostatic discharge test Power frequency magnetic test Conducted disturbances immunity test IEC IEC IEC IEC IEC IEC IEC class class 1 class -10 C ; 16h +55 C ; U.R.<=35%; 16h +55 C ; -10 C ; 3h +40 C ; U.R.<=93%; 96h Hz ; g 10 g - 15 g 1 g (xy), g (z) EN MHz (tab1 EN50081-) A EN550 class B MHz (tab1 EN50081-) 10V A EN A.5.1 level MHz 80%AM 10V/m B IEC EN5008- level 3 900MHz/00Hz 10V/m A EN50140, EN5004 EN5008- level 3 ENV50140 EN A.3.1 level 3 6kV contatto / 8kV aria B IEC EN A.4.1 IEC EN5008- IEC level 5 continui 100 A/m 50/60Hz A level 3 (80 5)% AM1 khz sinwave Damped oscillatory magnetic field EN A.4.3 level 3 30 A/m, MHz IEC Electrical fast transient/burst (Fast Trasient) EN A..3 level 3 kv (m.c.) B IEC Dumped Oscillatory waves EN A..5 level 3 1kV (m.c.) IEC Power supply tollerance IEC class DC3 class AC Residual power supply EN VR3 5% Surge immunity test EN A.. level 3 8/0 s kv (m.c.) B IEC Voltage interruptions EN A.1.5 0ms IEC Voltage ripple EN A.1.4 A=B IEC Characteristics Accuracy at reference value of influencing factors Class 0. Average power supply consumption TX 5VA Average power supply consumption RX 7VA Output relays rating 6 A; Vn = 50 V A.C. resistive switching = 1500VA (400V max) make = 30 A (peak) 0,5 sec.; break = 0. A, 110 Vcc, 6 L/R = 40 ms ( op.) Meccanichal life 10 op A M0 -I NG -Rev. 18

8 1 Transmitter Voltage - Order Code : -TV TV _ Type 3 Power Supply 6 Rated Input Voltage Empty = Power Supply 0 = N.D. = (33 70)Vdc 3 = (85 160)Vdc 4 = 110Vac 0% 5 = 30Vac 0% 1 = 00 Vdc = 750 Vdc 3 = 1000 Vdc 4 = 1500 Vdc 5 = 3000 Vdc 6 = 4000 Vdc Transmitter Current - Order Code : -TI TI _ Type Power Supply 1 Rated Input Current 1 Dynamic range Empty = Power Supply 0 = N.D. = (33 70)Vdc 3 = (85 160)Vdc 4 = 110Vac 0% 5 = 30Vac 0% 1 = 60 mvdc = 80 mvdc 3 = 100 mvdc 4 = Specify 1 = (0 ) In = (0 10) In (x DIA / U-MLEs) Receiver Voltage - Order Code : -RV - (1)-()-(3)-3 -RV _ Type ( 1_ ) Output 1 ( _ ) Output ( 3_ ) Output 3 O = with Options 1-1 = (0 0) ma -1 = (0 0) ma 3-1 = (0 0) ma (-RV-O-...) Fiber Optic - Order Code : -FO - 1 Fibra Ottica 1 = 5 mt (standard) = mt (specifiy length) ST - Connector 55 mm Selfpowered version SHUNT connection 1 = Positive = Negative 3 Power Supply 1- = (4 0) ma - = (4 0) ma 3- = (4 0) ma = (33 70)Vdc 1-3 = (0 10) ma -3 = (0 10) ma 3-3 = (0 10) ma 3 = (85 160)Vdc 4 = 110Vac 0% 5 = 30Vac 0% Receiver Current - Order Code : -RI - (1)-()-(3)-(4)-3 -RI _ Type ( 1_ ) Output 1 ( _ ) Output ( 3_ ) Output 3 ( 4_ ) Output 4 3 Power Supply O = with Options 1-1 = (0 0) ma -1 = (0 0) ma 3-1 = (0 0) ma 4-0 = None (-RV-O-...) 1- = (4 0) ma - = (4 0) ma 3- = (4 0) ma 4-1 = ( ) (In) = (33 70)Vdc 1-3 = (0 10) ma -3 = (0 10) ma 3-3 = (0 10) ma 4- = (0 1.5) (In) 3 = (85 160)Vdc 1-4 = (0 15) ma -4 = (0 15) ma 3-4 = (0 15) ma 4-3 = (0 1) (In) 4 = 110Vac 0% 4-4 = (0 1.33) (In) 5 = 30Vac 0% 4-5 = ( ) (In) 4-6 = (-1 1) (In) 4-7 = (- ) (In) 4-8 = ( ) (In) Receiver Current (x DIA / U-MLEs) - Order Code : -RI - (1)-()-(3)-(4)-3 -RI _ Type ( 1_ ) Output 1 ( _ ) Output ( 3_ ) Output 3 ( 4_ ) Output 4 3 Power Supply O = with Options 1-1 = (0 0) ma -1 = (0 0) ma* 3-1 = (0 0) ma 4-0 = None (-RV-O-...) 1- = Not Available - = Not Available 3- = (4 0) ma 4-1 = ( ) (In) = (33 70)Vdc 1-3 = Not Available -3 = Not Available 3-3 = (0 10) ma 4- = (0 1.5) (In) 3 = (85 160)Vdc 1-4 = Not Available -4 = Not Available 3-4 = (0 15) ma 4-3 = (0 1) (In) 4 = 110Vac 0% *(10In) 4-4 = (0 1.33) (In) 5 = 30Vac 0% 4-5 = ( ) (In) 4-6 = (-1 1) (In) 4-7 = (- ) (In) 4-8 = ( ) (In) This publication may be subject to alteration without prior notice. Therefore, a printed copy of this document may not be the latest revision. Please contact your local representative for the latest update. The trademarks MS Microelettrica Scientifica, Knorr and Knorr-Bremse as well as the figurative mark K are registered. Copyright Knorr-Bremse AG and Microelettrica Scientifica SpA - all rights reserved, including industrial property rights application. Knorr-Bremse AG and Microelettrica Scientifica SpA retain any power of disposal, such as for copying and transferring. per la copia e il trasferimento. Microelettrica Scientifica S.p.A Buccinasco (MI) - Via Lucania, Italy - Tel Fax sales.relays@microelettrica.com