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DC Current Transducers

CT-600

CT-1000

User’s Manual

All Rights Reserved

© CAEN ELS s.r.l.

Rev. 1.7

–

November 2022

PRECI

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Summary of Contents for CT-600

Page 1: ...DC Current Transducers CT 600 CT 1000 User s Manual All Rights Reserved CAEN ELS s r l Rev 1 7 November 2022 PRECISION CURRENT TRANSDUCERS...

Page 2: ...CT 600 CT 1000 User s Manual 2 CAEN ELS s r l Via Vetraia 11 55049 Viareggio LU Italy Mail info caenels com Web www caenels com...

Page 3: ...R PINOUT 13 2 3 SECONDARY SIDE SIGNALS 14 2 3 1 Power Supply 14 2 3 2 Secondary Current current versions only 14 2 3 3 Voltage Output V versions only 14 2 3 4 STATUS Signal 15 2 4 MOUNTING 17 2 5 PRIM...

Page 4: ...mendation section 1 2 November 3rd 2014 Manual graphics changed 1 3 January 27th 2016 Table 3 updated 1 4 July 8th 2016 Added data to technical specifications 1 5 November 18th 2016 Document maintenan...

Page 5: ...one to be used with the current output DCCTs and one with the voltage output ones the PS1212V is shown in the previous image Product Code Description WPS1215VXAAA PS1215V AC DC Single Output Dual Volt...

Page 6: ...g any part of the instrument WARNING Do NOT open the boxes CAEN ELS d o o declines all responsibility for damages or injuries caused by an improper use of the Modules due to negligence on behalf of th...

Page 7: ...aged Before you use the device inspect the instrument for possible cracks or breaks before each use Do not operate the device around explosives gas vapor or dust Always use the device with the cables...

Page 8: ...al environmental requirements for a correct operation of the instrument Environmental Conditions Requirements Operating Temperature 0 C to 50 C Operating Humidity 30 to 85 RH non condensing Storage Te...

Page 9: ...tween the primary and the secondary circuits in order to allow to current measurements at a different potential and simplifies interfacing when using the as the feedback element of current regulated p...

Page 10: ...models and versions of the CT 600 and CT 1000 are summarized in the following table Table 1 Product Code Model Description WCT600XAAAAA CT 600 600 A Primary Current Current Output WCT600VXAAAA CT 600...

Page 11: ...ansducer is presented in Figure 1 Figure 1 front view of a CT 600 or CT 1000 current transducer Rear view of the same current transducer where self threading holes for screws are visible is presented...

Page 12: ...urrent transducer presents an embossed arrow with the CAEN ELS logo on one side of the plastic casing that indicates the verse of the positive primary current measurement This arrow can be seen in Fig...

Page 13: ...e 2 These two versions have current or voltage output pins and their signal returns Pin CT 600 or CT 1000 Current Output CT 600V or CT 1000V Voltage Output 1 IS return nc GND 2 nc VOUT 3 Status 4 GND...

Page 14: ...ins are respectively found on pin 1 and on pin 7 Maximum secondary current depends over the full scale range and the current transformation ratio of the sensor For example for a CT 1000 the full scale...

Page 15: ...ent output pin IS pin 6 and its return pin 1 are not present Please note that output impedance for the V version models is 50 and it is low pass filtered with a 0 5 s time constant 2 3 4 STATUS Signal...

Page 16: ...al Signal Processor or an FPGA supplied by a 3 3V voltage source Please note that the 3 3V supply and the OK_SIGNAL is referred to DGND potential which can be the same or different from the GND potent...

Page 17: ...of the mechanical case Four holes are present on the bottom of the device as indicated in the Figure 8 Figure 8 bottom mounting holes pattern Other four holes are present on the rear side of the plast...

Page 18: ...e 10 primary current path non recommended layout left and recommended layout right Figure 10 left shows what happens if the primary current is routed over one side of the DCCT head the Magnetic flux d...

Page 19: ...see figure Figure 11 a primary full scale current of 600 A can be easily scaled by a factor 2 applying two primary turns and so the obtained full scale will be 300 A or by a factor 3 applying three t...

Page 20: ...0 X NOTE fields characters shaded in grey color are fixed The CT 1000 current transducers have also two different versions differing by the secondary output signal types current or voltage The orderi...

Page 21: ...mA Maximum RMS Secondary Current IS RMS 283 mA 354 mA External Shunt Resistor Value RS 0 5 0 2 Small Signal Bandwidth 3 dB typ BW 150 kHz Equivalent Input Noise Bandwidth 1 5 ppm FS 200Hz 10 ppm FS 5...

Page 22: ...sensor is used with the dedicated CAEN ELS PS1215 power supply Table 3 Technical Specifications 4 1 Equivalent Input Noise The typical equivalent input noise of the transducers is hereafter presented...

Page 23: ...CT 600 CT 1000 User s Manual 23 Figure 12 Equivalent input noise graph typical values 0 1 2 3 4 5 6 7 8 2 20 200 2000 20000 Equivalent Input Noise ppm FS Bandwidth Hz Noise CT 600 Noise CT 1000...

Page 24: ...IEC 61010 1 conditions over voltage cat III pollution degree 2 Rated insulation voltage RMS basic insulation 1000 V EN 50178 conditions over voltage cat III pollution degree 2 Rated insulation voltage...

Page 25: ...ing charts Figure 13 CT 600 maximum external shunt resistor Current version only Figure 14 CT 1000 maximum external shunt resistor Current version only 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 150 1...

Page 26: ...CT 600 CT 1000 User s Manual 26 5 Mechanical Dimensions The mechanical dimensions of the CT 600 and CT 1000 case are hereafter presented all dimensions are in mm Figure 15 Mechanical drawings...

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