Mianyang Weibo Electronic WB Series Manual de usuario

Designing, Manufacturing and Supplying WB Series Electric Isolated Sensor and Digital

Electrical Transducer since 1989

USER MANUAL

WBV344U01-S DC Voltage Transducer

www.wbsensor.com

[email protected]

Technical Service: 86 816 2278271

Quality Complain: 86 816 2278273

Fax Line: 86 816 2281934

ISO9001 ISO14000 GB/T2800 CE

Certified

Quality Warranty

Any quality problem found in WB series products, we offer

Three years free charge of repair the products, and six months guaranteed free charge of change and return the

products.

Mianyang Weibo Electronic Co.,Ltd.

No.98 Youxian East Road, Youxian District, Mianyang City, P.R. China

Tel: 86-0816-2971265 Fax: 86-016-2281934

www.wbsensor.com wbwm@wbdz.cn

WBV344U01-S DC Voltage Transducer

Safety claim

The information in the safety claim of the equipment documentation is intended to ensure that

equipment is properly installed in order to maintain it in a condition.

It is assumed that everyone who would be associated with the equipment should be familiar with

the contents of that safety section, or this safety guide.

When electrical equipment is in operation, dangerous voltages will be present in certain parts of

the equipment (e.g. the input terminal). Failure to obverse warning notices, incorrect use, or

improper use may endanger personnel and equipment and course personal injury or physical

damage.

Before working in the terminal strip area, the equipment must be isolated.

Proper and safe operation of the equipment depends on appropriate shipping and handling, proper

storage, installation and commissioning, and on careful operation, maintenance and servicing.

The operating manual for the equipment gives instructions for its installation, commissioning, and

operation. However, the manual cannot cover all conceivable circumstances or include detailed

information on all topics. In the event of questions or specific problem, do not take any action

without proper authorization. Contact the appropriate WB technical sales office and request the

necessary information.

Standard application

1. Accuracy

Accurate degree is conformed to IEC688:1992

2. Safety

2.1 Overload capability

Overload capability is conformed to IEC688:1992

2.2 Isolation voltage

Can be endured testing voltage is conformed to Q/72085584-0.1-2004

2.3 Insulation impedance

The insulation impedance is no less than 20M Ohm, is conformed to

Q/72085584-0.1-2004

3. Electromagnetic Capability

3.1 RF-Electromagnetic field immunity test according to EN61000-6-2:2005,

EN61000-6-4:2001

3.2 Power frequency magnetic field immunity test according to EN61000-6-2:2005,

EN61000-6-4:2001

3.3 Electrostatic discharge immunity test according to EN61000-6-2:2005,

EN61000-6-4:2001

3.4 Surge immunity test according to EN61000-6-2:2005, EN61000-6-4:2001

3.5 Electrical fast transient/burst immunity test according to EN61000-6-2:2005,

EN61000-6-4:2001

3.6 Conducted disturbance voltage according to EN61000-6-2:2005, EN61000-6-4:2001

Mianyang Weibo Electronic Co.,Ltd.

No.98 Youxian East Road, Youxian District, Mianyang City, P.R. China

Tel: 86-0816-2971265 Fax: 86-016-2281934

www.wbsensor.com wbwm@wbdz.cn

3.7 RF continuous conducted immunity according to EN61000-6-2:2005, EN61000-6-4:2001

3.8 Radiated Electromagnetic disturbance according to EN61000-6-2:2005,

EN61000-6-4:2001

3.9 Voltage dips/interruptions immunity according to EN61000-6-2:2005,

EN61000-6-4:2001

Product Description and Application

WBV344U01-S converts DC input pure voltage into a load independent output signal DC

0~20mA or 4-20mA. It has adopted modulation-demodulation isolation principle and average

measurement method for real time measurement of DC voltage from electric net or electric circuit.

The product has certain advantages of total galvanic isolation between input/output, high accuracy,

low drifting by temperature, and wide temperature bearable range, etc.

Function realization schematic drawing

Product Dimensional Drawing (unit: mm)

+E G

1/4

Out

10 11

Mianyang Weibo Electronic Co.,Ltd.

No.98 Youxian East Road, Youxian District, Mianyang City, P.R. China

Tel: 86-0816-2971265 Fax: 86-016-2281934

www.wbsensor.com wbwm@wbdz.cn

Product Terminal Identification Drawing

Terminal definition table

1/4 U-

3 U+

10 +E

11 GND

12 Iz

Key Technical Data:

1. Input: DC 0-10mV…0-1000V;

2. Output: DC 0-20mA/4-20mA

3. Accuracy class: 0.5

4. Input Impedance (R): when Vx＞1V,Ri＝Vx×10kΩ/V；

When Vx≤1V,Ri＞1MΩ；

5. Linear Range:0-120% of nominal input

6. Responding Time: 150ms

7. Over Load Capacity: 2 times of nominal input, continuous;

8. Maximum Load (Output voltage 10V): 500Ω;

9. Auxiliary Power:+12V/+24V

10. Current consumption for static status:17mA

11. Isolation Voltage(Input/output): 2500Vdc, for 1 minute

12. Output Ripple: ＜10mV

13. Drifting by Temperature: ( 0℃～+50℃) 2.5×10-4/℃;

14. Ambient Temperature: -10℃～+50℃

15. Mounting : DIN Rail 35mm Mounting

DC Current output（Iz）

Auxiliary power and output ground （GND）

＞600V DC voltage input（U－）

Auxiliary powe

（+E）

DC voltage input（U+）

Non identified terminals can’t be used

≤600V DC voltage input（U－）

Mianyang Weibo Electronic Co.,Ltd.

No.98 Youxian East Road, Youxian District, Mianyang City, P.R. China

Tel: 86-0816-2971265 Fax: 86-016-2281934

www.wbsensor.com wbwm@wbdz.cn

Instruction of Installation and Use

1. The product has adopted structure compliance with EN50022; suitable for DIN rail

mounting NS35/7.5, NS35/15. Installation steps are as following (please reference to

dimensional drawing):

Step 1: Immobilize one side of product‘s mounting trough to the DIN mounting rail;

Step 2: Pull out the spring clasp;

Step 3: Place whole mounting trough to the DIN mounting rail properly;

Step 4: Release spring clasp to make sure the installation.

2. The product has calibrated before out of factory. After correctly wiring, it can be

powered and used immediately. But for further precise signal sampling, user needs to

warm-up the product for 3 minutes before use.

a) The auxiliary power requires isolation voltage≥2000VAC, DC current output ripple

＜10mV, and multiple converters can share with one set auxiliary power together.

b) When measuring dc voltage exceeds 1000volts, the circuit needs adding a resistor

to divide the input dc voltage. The resistor is provided by Weibo Electronic, and

only for each type of transducers special use only.

C) When measuring DC voltage less than 600V, uses terminals 3 and 1 for connection;

when measuring DC voltage bigger than 600V, uses terminals 3 and 4 for connection

3. Basic testing method for accuracy

(1) According to the terminal definition table to connect the testing circuit;

(2) The testing must to be done by under the following conditions；

Auxiliary power: 24V±1％，ripple≤5mV

Ambient temperature: 25℃±2℃

Relative humidity: RH(45～75)％

Accuracy for Signal Power Source instrument: 0.05

Transducer

VX 4

Resistor

Mianyang Weibo Electronic Co.,Ltd.

No.98 Youxian East Road, Youxian District, Mianyang City, P.R. China

Tel: 86-0816-2971265 Fax: 86-016-2281934

www.wbsensor.com wbwm@wbdz.cn

(3) Warming up the transducer for 3 minutes

(4) Using output monitoring meter V1 to measuring the output of signal power

source instrument, set any input value which is within the measuring range of

the transducer Vr.(e.g. if input range is 100V, the output is 4-20mA ). the

expected output value Iz should be calculated as:

Iz = (20mA－4mA)×Vr/100V＋4mA

(5) Using output monitoring meter V2 to measuring the output voltage V0 of the

transducer, the basic introduced errorγof the transducer should be calculated

as:

γ= (Vo－Iz×250Ω)/[(20mA－4mA)×250Ω]×100

(6) Repeating step (4) (5), if calculated absolute value is less than the given

accuracy value of the transducer, it shows the transducer’s accurate grade is

qualified.

Caution:

1. Pay attention to the auxiliary power information, especially the auxiliary power grade,

and polarity, other wise will damage the product.

2. Pay attention to the wire connection; wrong terminal connection will cause

malfunction of the product and even damage the product;

3. Don’t dismantle the product, and carry with care to avoiding bump and fall of the

product;

4. If the product has been using under the environment with strong magnetic field

interference, please pay attention to the shield of input wire, and the output signal wire

should be as short as possible. For product intensive installation, the space between

each product should not be smaller than 10mm.

5. Only use identified terminals.

6. There is no lightening strike prevention circuit design in this product. For out door and

Signal

Power

Source

Transducer

V1V2

Auxiliary Power

250Ω

GND

Mianyang Weibo Electronic Co.,Ltd.

No.98 Youxian East Road, Youxian District, Mianyang City, P.R. China

Tel: 86-0816-2971265 Fax: 86-016-2281934

www.wbsensor.com wbwm@wbdz.cn

hazardous environment using, please add protective alternatives.

7. This product uses fire prevent ABS crust, its temperature withstand is only limited as

+85℃, higher than this limitation will cause the product deformation. Please use and

store carefully.

8. This product can’t be used to measure the pulse DC voltage signal, otherwise there will

be more errors or no output.

Product Input-Output characteristic curve

Input (%)

0 100

4mA～20mA Input-Output characteristic curve

23.2

120

Output (mA)

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