topstek current transducer THX20A .. thx50a - 56 - www.topstek.com thx v080201 7/1/2008 thx 20a~50a features highly reliable hall effect device wide selectable input ranges with flexible pin configurations. compact and light weight fast response time excellent linearity of the output voltage over a wide input range excellent frequency response (> 50 khz) low power consumption (<12 ma) capable of measuring both dc and ac, both pulsed and mixed high isolation voltage between the measuring circuit and the current-carrying conductor (ac2.5kv) extended operating temperature range flame-retardant plastic case and silicone encapsulate, using ul classified materials, ensures protection against environmental contaminants and vibration over a wide temperature and humidity range applications ups systems industrial robots nc tooling machines elevator controllers process control devices ac and dc servo systems motor speed controller electrical vehicle controllers inverter-controlled welding machines general and special purpose inverters power supply for laser processing machines controller for traction equipment e.g. electric trains other automatic control systems specifications parameter symbol unit configuration primary pin configurations (to change n and i fn ) number of primary turns n 1 2 4 THX20A nominal input current i fn a dc 20 10 5 linear range i fs a dc 60 30 15 thx30a nominal input current i fn a dc 30 15 7.5 linear range i fs a dc 90 45 22.5 thx50a nominal input current i fn a dc 50 25 12.5 linear range i fs a dc 150 75 37.5 nominal output voltage v hn v v ref +0.625 v1% at if=i fn ( r l =10k) nominal output @ i f = 0 v ref v v cc /2 12.5 mv, t a =25c output resistance r out <50 hysteresis error v oh mv within 5 mv @ i f =i fn 0 supply voltage v cc /v ee v +5v 5% linearity % within 0.5% of i fn consumption current i cc ma <12 ma response time (90%v hn ) t r sec 5 sec max. @ d i f / dt = i fn / sec frequency bandwidth (-3db) f bw hz dc to 50khz thermal drift of output - %/c within 0.1 %/c @ i fn thermal drift of zero current offset - mv/c within 0.4 mv/c @ i fn dielectric strength - v ac2.5kv x 60 sec isolation resistance @ 1000 vdc r is m >1000 m operating temperature t a c -15c to 80c storage temperature t s c -20c to 85c mass w g 10 g
topstek current transducer THX20A .. thx50a - 57 - www.topstek.com thx v080201 7/1/2008 appearance, dimensions and pin identification all dimensions in mm 0.1, holes C0, +0.2 except otherwise noted. primary current input pins i+ i- pin 1,3,5,7 2,4,6,8
|
