详情

QI-50-V-485

Current Transformer AC/DC TRMS - RS485 MODBUS

The QI-50-V-485 is a AC/DC current transformer, galvanically isolated from the measuring circuit. The device is in the function and appearance is very similar to a standard active TA, however, able to measure the DC component and AC TRMS. The transformer is equipped with RS485 Modbus serial output and an analog output 0-10V. Through the serial port can be configured freely span and zero and assign the Modbus address.

It’s possible to connect via serial RS485 to the QI-50-V-48 through a converter USB/232-485 for setting the parameters of zero and span and configuration of the Modbus addresses directly from your system of supervision, or using the free FACILE QI-50-V-485 software. You can download our software on www.qeed.it

Via the serial link RS485-USB you can connect to the QI-50-V-485 via the interface program FACILE QI-50-V-485. Using this software, free download from www.qeed.it, allows you to configure the processor by setting the START and STOP input and output (see diagram), you can set the Modbus address of the PC to which the query transformer and decide whether to make monopolar (only positive or negative values ) or bipolar (see diagram). If you are using bipolar function on AC current, the value read will be 0 A (5 V) because you are reading the average value. By means of dip-switch can configure the QI-50-V-485 to set the scale to 25 or 50A, the function monopolar (TRMS) or bipolar (mean value), the Modbus address (see register map below) up to a maximum of 15 addresses.

MOUNTING: The current transformer QI can be mounted in any position (see photo below), horizontal or vertical mounting, horizontal or vertical through the two hooks for DIN rail included in the box.

CAUTION: Magnetic fields of high intensity can vary the values measured by the transformer. Avoid installation near permanent magnets, electromagnets or iron masses that induce strong changes in the magnetic field. If any irregularity recommend reorient or move the transformer in the area most appropriate.

Any changes made by dip-switch required to switch off the power supply. It’s a safety condition in order to prevent any manumission on the device.

POWER SUPPLY	12...30Vdc, Protection against polarity reversal and overtemperature.
ABSORPTION	Max 20mA
PROTECTION INDEX	IP20
ACCURACY	0,5% F.S
RESOLUTION	12 bit
TEMPERATURE COEFFICIENT	<200 ppm/°C
WORKING TEMPERATURE	-15...+65°C
STORAGE TEMPERATURE	-40°C... +85°C
RESPONSE TIME	1000 ms on analog output, 30ms on serial output
TYPE OF MEASURE	TRMS (monopolar)
RANGE	50 Arms o 25 Arms dip-switch setting, bipolar (+/- 50A DC o +/-25A DC), RS485 customize setting
OUTPUT	0...10V and RS485
BAND WIDTH AT -3dB	DC or 20...2000 Hz
ISOLATION	3kV on bare wire
OVERLOAD	2000 A pulse, 300A continuos
CREST FACTOR	2
HYSTERESIS	0,15% f.s.
HUMIDITY	10...90% not condensing
ALTITUDE	Up to 2000 m s.l.m
WEIGHT	72 g.
FILLING	Epoxy Resins
BOX MATERIAL	PBT, grey
MOUNTING	Screw predisposition for vertical/ horizontal mounting, DIN rail clips (included) for vertical/horizontal mounting.
TERMINAL	Removable terminals 3,5mm, 5 poles
DIP-SWITCH	8 poles
LED	N°1 yellow, Power on fixed, data communication blinking
STANDARDS CE	EN55022: 2010-12; EN55024: 2010-11;
DIMENSIONS	46,1x 63x 26,4 mm (terminal excluded)

High accuracy, yet very cost effective split-core AC/DC current transformers supplier in Malaysia & Singapore. Available in Penang, KL, Selangor, Johor & anywhere in Malaysia & Singapore.

Ketepatan tinggi, pembekal pengubah arus AC/DC teras pembahagi yang sangat berkesan dari segi kos di Malaysia & Singapura. Available in Penang, KL, Selangor, Johor & anywhere in Malaysia & Singapore.

Available in Penang, KL, Selangor, Johor & anywhere in Malaysia & Singapore.

Saturn Pyro menyediakan perkhidmatan kejuruteraan yang boleh dipercayai seperti Tinjauan Keselamatan Elektrik, Kajian Sistem Kuasa (Litar Pintas, Diskriminasi Aliran Beban & Perlindungan pada ETAP), Penilaian & Pelabelan Denyar Arka, Reka Bentuk Pembumian & Perlindungan Kilat, Pengukuran potensi Sentuhan & Langkah, Pengurusan Kualiti Kuasa , Audit Tenaga dan Penilaian Prestasi Pusat Data. Kami juga menyediakan Tinjauan Keselamatan Elektrik seperti Pemeriksaan pemasangan elektrik, Pengenalpastian risiko (bahaya elektrik), Semakan dokumentasi, prosedur operasi & penyelenggaraan, perancangan kontingensi, Penjanaan laporan dalam butiran potensi risiko dan rancangan untuk mitigasi, Pos laporan penutup perlaksanaan. Available in Pulau Pinang, Johor, Kuala Lumpur (KL), Selangor and anywhere in Malaysia / Singapore / Bangalore / India / Mumbai.

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