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Technical content

§ Main Advantages 5S - High Accuracy over high bandwidth. % Very low output noise and offset drift. & ~ Negligible insertion losses. @ - High immunity to interference. E - Overload Capability. & - Excellent linearity. i £ Applications ¢ - Precise and high stability inverters 2 - Energy measurements 5 - High Precision Power Supplies UO - Feed back element in high performance gradient amplifiers for MRI - Medical Equipment Electrical Parameters Primary Current 0 to 400 ADC pn Measuring Range + 15Vec +400 ADC bb Overload Condition £2000 A (100ms) lov Burden Resistor Range 1,8 Ohm Min Ro (IP =400A) Vec = + 15V Secondary Nominal Current 400 mA 1s Conversion Ratio 1:1000 N Supply Voltage (+ 10%) #12 t015 VDC Veo Current Consumption 80 mA 41s lec Vec = #15V Accuracy Accuracy at Ip T = 25 °C < 0.1% Linear Error ( Beetwen 100 to 400 A ) <5 ppm *LER Vee = £15V, Rb = 1.8 Ohm Linear Error ( Beetwen 10A to 100A ) <10 ppm *LMR Vee = £15V, Rb = 10 Ohm Linear Error ( Beetwen 0.1 to 104) < 50 ppm FLLR Vee = +15V, Rb = 33 Ohm Offset Current SuA Max los Offer Current Temperature Drift <5 ppm/°C Klos Time Response ( 10% to 90% of Ip) <tus Tr di/det Followed Accurately > 100A/us Frequency Bandwidth (Ip= 10ADC) — DC to 100kHz(-3dB ) Fe

Output Inputs Connector Information 3 Connector DB-9 Standard Type a (Female ) & Fault Operation Condition Ip > 120% Pa ( Led Power OFF ) £ Maximum Switching Current 2A 5 (pins 3 to 8 and pin 3 to 7) s Maximum Switching Voltage 30 VDC/120 VAC fj ( pins 3 to 8 and pin 3 to7 ) EF ‘Compensation Winding Maximum 30 Ohm Re ¢ Resistance (T= 50°C ) £ Lenght Two Wire Cable to R Burden 50 cm ( Typical) a (Connected between pin 1 and 6) V General Data Operating Temperature -20 t0 +70 °C Ta Storage Temperature -20 t0 +85 °C Ts Weight 400g Primary Diameter Hole 25 mm Basic Insulation (Between Primary 3500VACSOHz 1" Vi and Measurement Current) According To - UNE EN 50178 - UNE EN 50155 Power Consumption Characteristics Total Consumption Vs Primary Current ox 18 Sos = = Vee = + 18V A 54 —— S £3 —— Fy _ Vee = +12V Z2 _- 5 . go o 100 200 300 400 Ip(A) Current Consumption for full range measurements and nominal conditions. Burden resistor 1.8 Ohm. 221

3 Burden resistor and voltage range

& The burden resistor can be changed in function of the primary current. Premo advice ® to use this graph in order to get the best measurements, in terms of accuracy and linearity for each current range expected in the primary side. The values of R burden B and maximum voltage generated are showed below. o H s 0 Es, Es gé, re GF fo a0 Be ° ° ° 100 20 300 40 ° 100 200 300 0 Primary Current p (A) Primary Current Ie (A) Dimensions BSIDE FSIDE SF Xo) Oo 5 02520,2 26,90+0,2 {)) | CO & 1e @ S => sev = TS ~ 6 59,9+0,2 P 4x04, 37,5 + 0,05 3) he ed Ss BA 7320.3, = 3 75+0,3 222

In the following picture we show as to connect the secondary side of current transducer. 4 FS 2 ve = & 3 2 | a eaun g { : ove (sere £ ‘ cxo "i £ _Quaput Current le 5 ; 5 ona v External Connections Between the pins 3 and 8 the DCT have a normally closed switch while the measure is correct. In the same manner, DCT provide a normally open switch while the measure is correct between pins 3 and 7. D-SUB standard connector The D-sub connection correspond to the next table. 9-POLE D-SUB Pin 1 : Connected to OV internally Pin 2: - Vec Supply Pin 3 : Input to normally closed/open Switch Pin 4: OV Pin 5: Earth connexion (GND ) Pin 6 : Output Current + ( Current Direction F to B) Pin 7 : Output to normally open switch (1A DC MAX) Pin 8 : Output to normally closed switch (1A DC MAX) Pin 9: + Vcc Supply 223