2 Channels Inputs DC Voltage Transducer

WB1929B35(2 Channels Inputs DC Voltage Transducer) adopts photoelectric isolation technology and digital acquisition and data processing technology. It collects and calculates two DC voltage signals in real time, and outputs data by RS485 bus. The product's DC voltage input signal, output and auxiliary power are completely isolated, with the characteristics of 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, saving the A / D overhead of the system provides a flexible and convenient software and hardware interface for the system.

Setting method of DIP switch:

① The factory default communication address is 01 and the baud rate is 9600 BPS. You can reset it when you need to use another communication address or baud rate.

② The sensor has an 8-bit DIP switch (K1~K8), where K1 and K2 are used to set the communication baud rate of the sensor. The specific meaning is as follows:

③ The K3~K8 bits of the DIP switch are used to set the binary communication address (0~63) of the sensor. The switch is set to ON for 0 and OFF for 1:

Advantages:

High precision, 

High isolation, 

Low power consumption, 

Low drift, 

Wide temperature range,

Anti-interference, 

Strong ability, 

Wide working power range. 

Applications:

Intelligent low-voltage power distribution system;

DC power screen, box substation;

Temperature and fire monitoring for transformer, fire monitoring for cable;

High-voltage switchgear fiber optic temperature measurement system;

Transformer contact monitoring.

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1. Input input: DC 75mV, 50V, 100V, 300V, 380V, 400V, 500V, 700V;

2. Output specifications: RS485;

3. Accuracy level: voltage 0.2;

4. Linear measurement range: 0% ～ ± 120% of nominal input value;

5. Static current: ≤80mA;

6. The data update time: 100ms;

7. Communication mode: half duplex, RS485,

8. Communication protocol: MODBUS-RTU

    WB1929B05 without parity, 2 stop bits; 

    WB1929B15 odd parity, 1 stop bit;

    WB1929B25 even parity, 1 stop bit; 

    WB1929B35 without parity, 1 stop bit.

9. Communication baud rate: ≤19.2KBPS (default 9600BPS);

10. Communication distance: 1200m;

11. Number of communication nodes: 64 points;

12. Auxiliary power: DC 12V, 24V;

13. Temperature drift: ≤350 × 10-6 / ℃ (-25 ℃ ～ + 70 ℃);

                                   ≤150 × 10-6 / ℃ (0 ℃ ～ + 50 ℃);

14. Working environment temperature: -25 ℃ ～ + 70 ℃.