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ITZ FLEX ULTRASTAB 

  

USER GUIDE 

 
 

 

 

Содержание ITZ FLEX ULTRASTAB

Страница 1: ...140528 2 Page 1 of 32 ITZ FLEX ULTRASTAB USER GUIDE...

Страница 2: ...the electronics unit 20 5 2 Mounting requirements for the transducer heads 20 5 3 Grounding the transducer head 21 5 4 Installation 21 6 Offset adjustment 22 6 1 Adjusting the current offset 22 7 I 0...

Страница 3: ...iring schematics to external burden resistor 30 Figure 8 Wiring schematics to high impedance load 30 Figure 9 Block diagram showing the zero flux detector principle 31 LIST OF TABLES Table 1 General s...

Страница 4: ...up to 24000 A by utilizing a broad range of compatible current measuring heads Please read this user guide carefully before use It contains information on how to set up and use the ITZ FLEX ULTRASTAB...

Страница 5: ...140528 2 Page 5 of 32 WARRANTY STATEMENT...

Страница 6: ...nominal current range European Schuko and US mains cable with three pin IEC female connector Cable for connecting head and rack electronics Analog output cable Current short plug and analog out short...

Страница 7: ...ATUS INTERLOCK PORT Max collector emitter voltage off state 60 V Max reverse collector emitter voltage off state 5 V Max collector emitter current on state 10 mA On state saturation collector emitter...

Страница 8: ...io frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference in which case the user will be required to correct the interference at his ow...

Страница 9: ...e side panels and over the heat sink 2 3 Grounding considerations To avoid the risk of electrical shock it is mandatory to observe proper grounding practices WARNING To avoid electrical shock the powe...

Страница 10: ...o flux based transducer principle it is necessary to take the following precautions CAUTION Do not subject the system to primary current without mains power applied CAUTION Do not operate the system w...

Страница 11: ...140528 2 Page 11 of 32 3 Quick start 3 1 System overview Figure 1 System overview for Current Output Figure 2 System overview for Voltage Output...

Страница 12: ...e electronics the 4 mm banana terminals should be left shorted using the supplied shorting plug for this exercise CAUTION It is MANDATORY that the secondary current path remains CLOSED whenever the sy...

Страница 13: ...urrent path remains CLOSED whenever the system is powered if not there is a risk of permanently damaging the system Furthermore if there is no closed secondary current path the system will not be able...

Страница 14: ...f 125 A from 125 A to 2000 A Conversion ratio default of 1 2000 Nominal secondary current of 1 A Aperture 50 mm 3 ITZ 2000 50 non programmable wide bandwidth Conversion ratio of 1 1000 Nominal seconda...

Страница 15: ...ses the output current is also available for monitoring either by the 4 mm banana jacks on the back panel or with the Analog Output Cable If you have ordered your system with the B option eg ITZ 5000...

Страница 16: ...primary current is 1500 A The current conversion ratio of the system is then 1500 1 1500 1 A A KN When a system is equipped with a VOM the output current will be converted to a voltage The maximum nom...

Страница 17: ...ERLOAD This LED is lit red when the transducer head saturates due to excessive primary current 600 A 24000 A These LEDs are lit Yellow when a transducer head with the corresponding full scale range is...

Страница 18: ...Type Serial number plate Three individual S Ns may be listed here One for the ITZ electronics one for the matching head and one optional for the installed VOM 3 Transducer head Connection to the tran...

Страница 19: ...using a dedicated cable with a multi pin bayonet style connector Various cable lengths are available If the transducer head is programmable it also has a 25 pin D Sub male UNC 4 40 screw lock connect...

Страница 20: ...stalled in any orientation ITZ 2000 50 PR The 2000 A transducer head must be installed using two M8 screws The head may be mounted in any orientation Please observe that the length of the screws may n...

Страница 21: ...with an 10 8 mm ring tongue must be mounted to the transducer head The ring tongue is placed on one of the 4 mounting screws before mounting the head ITZ 16000 150 and ITZ 24000 150 A Ground wire min...

Страница 22: ...nt with the selected transducer head connected prior to any measurement in order to achieve the highest accuracy 6 1 Adjusting the current offset To adjust the ITZ FLEX ULTRASTAB please follow these s...

Страница 23: ...in 1 2 3 Current return path When using the ITZ FLEX ULTRASTAB in voltage out mode VOM installed pin 1 9 pin 2 10 and pin 3 11 must be shorted This will loop the current output to the VOM The output s...

Страница 24: ...are optically isolated Photo couplers type floating Collector and Emitter Four signals are present on the port each having two dedicated floating pins in the SUBD9 Male connector Collector C and Emit...

Страница 25: ...full scale output ACTIVE A 0 2 V The primary current is higher than approximately 1 of nominal full scale output UC The primary current is lower than approximately 1 of nominal full scale output B UC...

Страница 26: ...to the primary current again and the measuring can resume when the primary current returns in the nominal range between IPN DC and IPN DC In sweep mode the output current signal will be a slope betwe...

Страница 27: ...ith a sine wave primary AC is shown in the following table Primary current frequency Hz Typical over current trip level to detect over current state DC 0Hz 120 of IPN DC 0 2 122 of IPN DC 0 5 126 of I...

Страница 28: ...powering up the ITZ FLEX ULTRASTAB be sure to check the following 1 Check that all cables terminated in a plug are correctly installed and that the lock screws are tightened firmly 2 Check that the sy...

Страница 29: ...one from the current output port with two standard 4 mm banana plugs Take care that both terminals are floating relative to ground The red wire carries the output current while the black is the curren...

Страница 30: ...sted pairs in order to reduce the resistance and are terminated in three 4 mm female banana sockets for easy connection to other equipment 13 5 Connecting the ITZ FLEX ULTRASTAB to a DMM or high imped...

Страница 31: ...rated by the primary current Due to a balanced zero flux detector principle the output noise level is extremely low by nature and a resolution on the order of 2 x 10 8 is achieved Below is shown a blo...

Страница 32: ...signal via the amplifier A3 which widens the active bandwidth of the transducer to more than 1 kHz Above 1 KHz the transducer operates as a passive current transformer with its 3 dB limit varying from...

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