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1-Channel Voltage 1-Channel Current Transducer WB1925B35

1-Channel Voltage 1-Channel Current Transducer WB1925B35

WB1925B35(1-Channel Voltage 1-Channel Current Transducer) adopts photoelectric isolation technology and digital acquisition and data processing technology to collect and calculate DC current signals and DC voltage signals in real time, and output data in RS485 bus mode. The product’s DC current and DC voltage input signals, output and auxiliary power supply are completely isolated, small in size, light in weight and easy to install; it can be widely used in various automatic control systems to collect different DC current and DC voltage signals on site It saves the A/D volume of the system and provides a flexible and convenient software and hardware interface for the system.


Product Detail

Product Tags

Product Description And Application

WB1925B35(1-Channel Voltage 1-Channel Current Transducer) adopts photoelectric isolation technology and digital acquisition and data processing technology to collect and calculate DC current signals and DC voltage signals in real time, and output data in RS485 bus mode. The product's DC current and DC voltage input signals, output and auxiliary power supply are completely isolated, small in size, light in weight and easy to install; it can be widely used in various automatic control systems to collect different DC current and DC voltage signals on site It saves the A/D volume of the system and provides a flexible and convenient software and hardware interface for the system.

Note: IN1 is connected to DC voltage input, IN2 is connected to DC voltage input, please pay attention to the polarity of the input signal; + E and GND are connected to the working power of the product; 485A and 485B are connected to other undefined terminals of the RS485 output terminal.

Specification

Attribute

Value

Input specifications

DC 75mV, 50V, 100V, 300V, 380V, 400V, 500V, 700V;

DC 0.5A, 1A, 2A, 3A, 4A, 5A

Output specifications

RS485

Accuracy grade

voltage 0.2, power 0.5, 0.2 when current is less than 2A; 0.5 when 2A≤current≤5A

Linear measurement range

0%~±120% of nominal input value

Voltage input impedance

when the measured voltage Ux≤1V, Ri≥1MΩ,When the measured voltage Ux>1V, Ri=Ux×10kΩ/V

Current input impedance

75mV/IX (IX: measured current)

Voltage overload capacity

2 times the nominal input voltage, lasting 1s, with an interval of 10s, repeating 10 times without breakdown

Current overload capacity

10 times the nominal input current, continuous 1s, 300s interval, repeated 5 times without breakdown

Anti-interference ability

Comply with EN61326: 2006 SURGE, EFT, ESD immunity test requirements.

Quiescent current

≤80mA

The data update time

100mS

Isolation withstand voltage

DC 2500V, 1min between input and output,

DC 2500V, 1min between power supply and input

DC 2500V, 1min between power supply and output

Communication method

half duplex, RS485

Communication protocol

MODBUS-RTU

WB1925B05 no parity, 2 stop bits; WB1925B15 odd parity, 1 stop bit

WB1925B25 even parity, 1 stop bit; WB1925B35 no parity, 1 stop bit

Communication baud rate

≤19.2KBPS (default 9600BPS)

Communication distance

1200m

Number of communication nodes

64 points

Auxiliary power supply

DC 12V or 24V

Temperature drift

≤350×10-6/℃ (-25℃~+70℃)

Working environment temperature

-25℃~+70℃

Product Dimensional Drawing (unit: mm)

Terminals Definition


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