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

Electrical Transducer since 1989 

 

 

 

 

USER MANUAL 

WB9128-1 Power Transducer   

(RS 485 Interface 3-phase 3 wire; 3 –phase 4-wire) 

 

 

www.wb-my.com

 

Tel: 86 816 2971265 

Fax: 86 816 2281934 

 

 

 

 

ISO9001 ISO14000 ISO18000 

Certified 

 

Quality Warranty 

Any quality problem found in WB series products, we offer 

One year free charge of repair the products, and six months guaranteed free charge of change and return the 

products. 

 

 

 

 

 

 

Содержание WB9128-1

Страница 1: ...Power Transducer RS 485 Interface 3 phase 3 wire 3 phase 4 wire www wb my com Tel 86 816 2971265 Fax 86 816 2281934 ISO9001 ISO14000 ISO18000 Certified Quality Warranty Any quality problem found in WB series products we offer One year free charge of repair the products and six months guaranteed free charge of change and return the products ...

Страница 2: ...he 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 confo...

Страница 3: ...put 2 5V 2 5V 0 5V 1 5V 3V 2V DC Current 10mA 10mA 0 20mA 4 20mA 12mA 8mA 8 Output Parameters E R PQ C S Ua Ub Uc Uab Ubc Uac Ia Ib Ic Pa Pb Pc Qa Qb Qc Ca Cb CC Sa Sb Sc 9 Accuracy Grade Current voltage 0 2 reactive active power power factor 0 5 10 Response Time 200ms 11 Auxiliary Power Supply DC 12V DC 24V 12 Static Current 65mA 13 Operating Temperature 0 50 14 Communication Protocol Modbus RTU ...

Страница 4: ...se Active Power 2 19 18 Pb B Phase Active Power 2 20 19 Pc C Phase Active Power 2 21 20 Qa A Phase Reactive Power 2 22 21 Qb B Phase Reactive Power 2 23 22 Qc C Phase Reactive Power 2 24 23 Ca A Phase Power Factor 2 25 24 Cb B Phase Power Factor 2 26 25 Cc C Phase Power Factor 2 27 26 Sa A Phase Apparent Power 2 28 27 Sc B Phase Apparent Power 2 29 28 Sc C Phase Apparent Power 2 Note 1 Output para...

Страница 5: ...n 8 pin 7 pin 6 pin Analogue OUT2 RS485B OUT1 RS485A GND E Analogue RS485 Converter PC Series Port Power Supply Current direction 3 phase 4 wire Load Sensor Current Direction A C B A B C N 5 pin 3 pin 1pin 2 4 pin 11 Pin 10 Pin 9 Pin 8 Pin 7 Pin 6 Pin Analogue OUT2 RS485B OUT1 RS485A GND E Analogue RS485 Converter PC Series Port Power Supply Current Direction Current Direction Mianyang Weibo Elect...

Страница 6: ...nt Rx Imax 0 0001 Unsigned Integer Ia Ib Ic Power Factor Rx 0 0001 Signed Integer COSφ COSφa COSφb COSφc Active Power Rx Umax Imax 0 0001 Signed Integer Pa Pb Pc Reactive Power Rx Umax Imax 0 0001 Signed Integer Qa Qb Qc Apparent Power Rx Umax Imax 0 0001 Unsigned Integer Sa Sb Sc Total Active Power Rx Umax Imax 3 0 0001 Signed Integer Psum Total Reactive Power Rx Umax Imax 3 0 0001 Signed Integer...

Страница 7: ... Uab Ubc Uca Iz 4 16 Ux 4mA 20mA 0V 5V Ia Ic Uz 0 5 Ix 1V 5V Ia Ic Uz 1 4 Ix Ia 0mA 20mA Ia Ic Iz 0 20 Ix Ic 4mA 20mA Ia Ic Iz 4 16 Ix 3 Phase 4 wire Parameter Name Output Specifications Actual Output Value Calculation Formula Uz Rated Output Line Voltage V Iz Rated Output Current mA 0V 5V Psum Uz 0 5 Ux Ix 3 1V 5V Psum Uz 1 4 Ux Ix 3 2 5V 2 5V Psum Uz 2 5 2 5 Ux Ix 3 3V 2V Psum Uz 3 2 Ux Ix 3 Psu...

Страница 8: ...0 20 Ix Ic 4mA 20mA Ia Ib Ic Iz 4 16 Ix 0V 5V Pa Pb Pc Uz 0 5 Ux Ix 1V 5V Pa Pb Pc Uz 1 4 Ux Ix 2 5V 2 5V Pa Pb Pc Uz 2 5 2 5 Ux Ix Pa 3V 2V Pa Pb Pc Uz 3 2 Ux Ix Pb 0mA 20mA Pa Pb Pc Iz 0 20 Ux Ix Pc 4mA 20mA Pa Pb Pc Iz 4 16 Ux Ix Pa Pb Pc Iz 10 10 Ux Ix 10mA 10mA Pa Pb Pc Iz 12 8 Ux Ix 12mA 8mA 0V 5V Qa Qb Qc Uz 0 5 Ux Ix 1V 5V Qa Qb Qc Uz 1 4 Ux Ix 2 5V 2 5V Qa Qb Qc Uz 2 5 2 5 Ux Ix Qa 3V 2V ...

Страница 9: ...d 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 hazardous environment using please add protective alterna...

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