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Caen ELS FLUCS CT PCB Series, User Manual, Page: 3 / 23

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CT PCB Series User’s Manual 

3 

 

Table Of Contents 

 

1.

 

INTRODUCTION ................................................................................................ 8

 

1.1

 

CT

 

PCB

 

S

ERIES 

O

VERVIEW

 ............................................................................ 8

 

1.2

 

CT

 

PCB

 

M

ODELS AND 

V

ERSIONS

 ................................................................. 10

 

2.

 

INSTALLATION AND OPERATION ............................................................ 11

 

2.1

 

C

ONNECTIONS

 ............................................................................................... 11

 

2.2

 

R

ECOMMENDED 

PCB

 

F

OOTPRINT

 ................................................................. 12

 

2.3

 

PCB

 

L

AYOUT 

G

UIDELINES

 ........................................................................... 14

 

2.4

 

S

ECONDARY

-

SIDE 

S

IGNALS

 ........................................................................... 14

 

2.4.1

 

Power Supply ........................................................................................... 15

 

2.4.2

 

Secondary Current ................................................................................... 15

 

2.4.3

 

Voltage Output (“V” versions only) ........................................................ 15

 

2.4.4

 

OK Signal ................................................................................................. 16

 

3.

 

TECHNICAL SPECIFICATIONS .................................................................. 18

 

3.1

 

E

QUIVALENT 

I

NPUT 

N

OISE

 ............................................................................ 19

 

3.2

 

E

XTERNAL 

S

HUNT 

R

ESISTOR

 ........................................................................ 20

 

3.3

 

I

SOLATION 

D

ATA

 .......................................................................................... 21

 

4.

 

MECHANICAL DIMENSIONS ....................................................................... 22

 

 
 

 

Summary of Contents for FLUCS CT PCB Series

Page 1: ...DC Current Transducers CT PCB Series User s Manual All Rights Reserved CAEN ELS s r l Rev 1 11 November 2022 PRECISION CURRENT TRANSDUCERS...

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

Page 3: ...2 1 CONNECTIONS 11 2 2 RECOMMENDED PCB FOOTPRINT 12 2 3 PCB LAYOUT GUIDELINES 14 2 4 SECONDARY SIDE SIGNALS 14 2 4 1 Power Supply 15 2 4 2 Secondary Current 15 2 4 3 Voltage Output V versions only 15...

Page 4: ...OK and OK changed pinout 1 4 April 2nd 2014 CT 52 version added 1 5 April 7th 2014 External shunt resistor added 1 6 November 3rd 2014 Manual graphics changed 1 7 March 11th 2015 Offset specification...

Page 5: ...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 the...

Page 6: ...is damaged 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 c...

Page 7: ...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 8: ...en two different versions standard secondary current output or buffered voltage output low temperature coefficient shunt resistor and low noise amplifier are embedded in the CT 13V CT 26V and CT 52V v...

Page 9: ...f a sample of the O FLUCS CT PCB Series current transducer is presented in Figure 1 Figure 1 Top view of a CT 26 O FLUCS current transducer Bottom view of the same current transducer with pin connecto...

Page 10: ...ary Current PCB mounting WCT13XLPAAAA CT 13 LP 13 A Primary Current Low Profile PCB mounting WCT26XAAAAAA CT 26 26 A Primary Current PCB mounting WCT52XAAAAAA CT 52 52 A Primary Current PCB mounting W...

Page 11: ...that is used to mount the device to a Printed Circuit Board PCB Not all of these sixteen 16 pins are present in all versions since the standard secondary current output version has different signals...

Page 12: ...d in Table 2 as nc not connected Please note that internally Is is directly connected to GND 2 2 Recommended PCB Footprint In order to correctly place mount and connect the CT current transducers to t...

Page 13: ...CT PCB Series User s Manual Installation and Operation 13 Figure 4 Recommended PCB footprint dimensions in mils Figure 5 Recommended PCB footprint dimensions in mm...

Page 14: ...s highly recommended to make multiple planes tracks on different PCB layers in order to bring the primary current to the CT pins The use of thermal reliefs 30 mils to allow easier soldering to the PCB...

Page 15: ...2 4 3 Voltage Output V versions only A buffered output voltage signal is present on the voltage output versions of the CT series i e CT 13V CT 26V and CT 52V transducer in order to allow easier conne...

Page 16: ...in Figure 7 Figure 7 Primary current and voltage output measured between pins VO and VO RET Please note that output impedance for the V version models is 50 2 4 4 OK Signal An OK signal obtained from...

Page 17: ...g while it is at high level 14 5V when the transducer is not In the configuration presented in Figure 9 the current transducer can be easily interfaced to a digital microcontroller a Digital Signal Pr...

Page 18: ...DC 52mA Maximum RMS Secondary Current IS RMS 37 mA External Shunt Resistor Value RS 0 40 Small Signal Bandwidth 3 dB typ BW 500 kHz 200 kHz V version Equivalent Input Noise Bandwidth 1 ppm FS 200Hz 1...

Page 19: ...nsor is used with the dedicated CAEN ELS PS1215 power supply Table 3 Technical Specifications 3 1 Equivalent Input Noise The typical equivalent input noise of the CT PCB transducer series is hereafter...

Page 20: ...tor that can be connected on the IS output pin in the current output versions is shown hereafter in the following chart Figure 11 Maximum external shunt resistor Current version only 0 1 2 3 4 5 6 7 8...

Page 21: ...CT PCB Series User s Manual Technical Specifications 21 3 3 Isolation Data VD AC Isolation RMS Test Voltage 50 60 Hz 1 min between Ip Ip terminal and secondary 3 kV Table 5 Insulation data...

Page 22: ...Series User s Manual 22 4 Mechanical Dimensions The mechanical dimensions of the CT PCB series DC Current Transducers are hereafter presented all dimensions are in mm Figure 12 Mechanical drawings 66...

Page 23: ...CT PCB Series User s Manual Technical Specifications 23 Figure 13 Mechanical drawings for WCT13XLPAAAA model...

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