background image

 

8

Qsum

=(

Iz-20)/8×(Ux×Ix×3) 

12mA±8mA 

0V~5V 

Csum

=(

Uz-0)/5  

 

1V~5V 

Csum

=(

Uz-1)/4 

 

2.5V±2.5V 

Csum

=(

Uz-2.5)/2.5 

 

3V±2V 

Csum

=(

Uz-3)/2 

Csum

 

0mA~20mA 

Csum

=(

Iz-0)/20 

 

Csum

=(

Iz-4)/16 

4mA~20mA 

Csum

=(

Iz-10)/10 

10mA±10mA 

Csum

=(

Iz-12)/8 

12mA±8mA 

0V~5V 

Ssum

=(

Uz-0)/5×(Ux×Ix×3) 

 

1V~5V 

Ssum

=(

Uz-1)/4×(Ux×Ix×3) 

Ssum

 

0mA~20mA 

Ssum

=(

Iz-0)/20×(Ux×Ix×3) 

 

 

Ssum

=(

Iz-4)/16×(Ux×Ix×3) 

4mA~20mA 

0V~5V 

Ua

Ub

Uc

=(

Uz-0)/5×Ux

 

Ua 

1V~5V 

Ua

Ub

Uc=

(

Uz-1)/4×Ux 

Ub 

0mA~20mA 

Ua

Ub

Uc

=(

Iz-0)/20×Ux 

Uc 

 

Ua

Ub

Uc

=(

Iz-4)/16×Ux 

4mA~20mA 

0V~5V 

Ia、Ib 、Ic=(

Uz-0)/5×Ix 

Ia 

1V~5V 

Ia、Ib 、Ic=(

Uz-1)/4×Ix 

Ib 

0mA~20mA 

Ia、Ib 、Ic=(

Iz-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 

Qa

Qb

Qc

=(

Uz-3)/2×(Ux×Ix) 

Qb 

0mA~20mA 

Qa

Qb

Qc

=(

Iz-0)/20×(Ux×Ix) 

Qc

 

4mA~20mA 

Qa

Qb

Qc

=(

Iz-4)/16×(Ux×Ix) 

 

10mA±10mA 

Qa

Qb

Qc

=(

Iz-10)/10×(Ux×Ix) 

 

 

Qa

Qb

Qc

=(

Iz-20)/8×(Ux×Ix) 

12mA±8mA 

0V~5V 

Ca

Cb

Cc

=(

Uz-0)/5 

Ca 

1V~5V 

Ca

Cb

Cc

=(

Uz-1)/4 

Cb 

2.5V±2.5V 

Ca

Cb

Cc

=(

Uz-2.5)/2.5 

Cc

 

 

Ca

Cb

Cc

=(

Uz-3)/2 

3V±2V 

 

 

Caution: 

Mianyang Weibo Electronics Co.,Ltd 

www.wb-my.com 

8

Summary of Contents for WB9128-1

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Reviews: