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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.
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Summary of Contents for Mianyang Weibo Electronic WB9128-1
- Page 1 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...
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Page 2: Product Description And Application
3.2 Power frequency magnetic field immunity test according to IEC 61000-4-8:1993 Product Description and Application WB9128-1 adopts special made isolation module, professional MCU controller and high speed data synchronizing sampling and processing technologies to isolate and convert active power of three-phase four-wired electric system... - Page 3 Key Technical Data: Input: Phase Voltage AC 57.7V ~ 289V; Line Voltage AC 100V ~500V; Current AC 1A~ 50A; Input Configuration System: 3- phase 3- wire; 3- phase 4- wire; Linear Measurement Range: Voltage 20% - 100% of rated input voltage; Current 1% - 100% of rated input current;...
- Page 4 C Phase Apparent Power Note 1: Output parameters of WB9128-1 power transducer can be selected by the User. Its default settings of address is 1, baud rate is 9600 bps and 1 stop bit. If the user needs other settings of communication address, baud rate, system types, output parameters and output specifications, WB9128-1 can be configured by configuration software, please refer to 《...
- Page 5 Right Use of WB9128-1 Wiring: 3- phase 3 - wire ( notice: the user needs short circuit of pin 2, pin3, pin 4 first, then connect with load Sensor Current direction OUT2 Load 11 pin Analogue OUT1 10 pin Analogue...
- Page 6 RS 485 output data calculation method Rx is parameter value returned by register; Umax represents rated voltage value; Imax represents rated current value. 3 –phase 3-wire calculation Parameter Name Calculation Method Data Format Parameter Content Rx×Umax/ ×0.0001 Line Voltage Uca,Ubc,Uab Unsigned Integer Current Rx×Imax×0.0001...
- Page 7 2.5V±2.5V z-2.5)/2.5×(Ux×Ix× Qsum=( 3V±2V z-3)/2×(Ux×Ix× Qsum Qsum=( 0mA～20mA z-0)/20×(Ux×Ix× Qsum=( 4mA～20mA z-4)/16×(Ux×Ix× Qsum=( 10mA±10mA z-10)/10×(Ux×Ix× Qsum=( 12mA±8mA z-20)/8×(Ux×Ix× Qsum=( 0V～5V z-0)/5 Csum=( 1V～5V z-1)/4 Csum=( 2.5V±2.5V z-2.5)/2.5 Csum=( Csum 3V±2V z-3)/2 Csum=( 0mA～20mA z-0)/20 Csum=( 4mA～20mA z-4)/16 Csum=( 10mA±10mA z-10)/10 Csum=( 12mA±8mA z-12)/8...
- Page 8 12mA±8mA z-20)/8×(Ux×Ix×3) Qsum=( 0V～5V z-0)/5 Csum=( 1V～5V z-1)/4 Csum=( 2.5V±2.5V z-2.5)/2.5 Csum=( Csum 3V±2V z-3)/2 Csum=( 0mA～20mA z-0)/20 Csum=( 4mA～20mA z-4)/16 Csum=( 10mA±10mA z-10)/10 Csum=( 12mA±8mA z-12)/8 Csum=( 0V～5V z-0)/5×(Ux×Ix×3) Ssum=( 1V～5V z-1)/4×(Ux×Ix×3) Ssum Ssum=( 0mA～20mA z-0)/20×(Ux×Ix×3) Ssum=( 4mA～20mA z-4)/16×(Ux×Ix×3) Ssum=( 0V～5V z-0)/5×Ux...
- Page 9 Pay attention to the auxiliary power information, especially the auxiliary power grade, and polarity, other wise will damage the product. Pay attention to the wire connection; wrong terminal connection will cause malfunction of the product and even damage the product; Don’t dismantle the product, and carry with care to avoiding bump and fall of the product;...
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