PD1056-2N single-se electronic DC multifunction energy meter is an electric meter integrating measurement, metering, LCD and communication. It can measure power grid voltage, current, power and electric energy. Its communication interface supports MODBUS-RTU communication protocol. 2-way on-off input and 2-way on-off output are optional for the meter, which can realize local or remote on-off g and control output functions (i.e. “remote € and “remote control†functions), or 1-way transmitting output which can be controlled flexibly is optional. This single-se electronic DC multifunction energy meter conforms to the following standards: ZB Y318—85  Technical Conditions of Electronic DC Energy Meter JJG842—1993 Verification Conditions of DC Energy Meter MODBUS-RTU Communication Protocol GB/T13850-1998 Transmission Standard Â
Real-time measurement of electric power parameters, simple metering of energy;
Transformation ratio display operated via button on the panel, arbitrary setting, flexible use;
Optional for transmitting output of measured value, analog quantity output: 4-20Ma, 0ï¼24Ma, 0-5V, 0-10V;
Optional for FS485 communication interface, standard MODBUS protocol;
High precision and high performance cost ratio for digital zero setting and rectification;
Wide range of application and strong combination function.
| Item | Performance parameter | ||
| Specification | Single se | ||
| Measurement  | DC voltage | Input range | 0~1.2Un |
| Impedance | >2MΩ | ||
| DC current | Current specification | Shunt rated voltage input:50mV 75mV 100mV | |
| Power consumption | <0.05VA(one-way rated current) | ||
| Power | Accuracy 0.5% | ||
| Metering | Electric energy | Electric energy (accuracy class: Class 1) | |
| Digital pan> | Electric quantity pulse output | 1-way optocoupler output | |
| Optional function (only one function can be selected) | Switching value function | 2-way mechanical relay output (250V(AC)/3A and 30V(DC)/3A) | |
| 2-way dry input | |||
| Transmitting pan> | Transmitting (1 way) 4mA～20mA, 0mA～20mA, 0mA～24mA, 0V~5V and 0V~10V which can be selected flexibly | ||
| Accuracy class is superior to Class 0.5 | |||
| Communication | Interface and communication protocol | RS485 interface: Modbus RTU protocol | |
| Communication address range | Modbus RTU: 0~ 247;Â | ||
| Baud rate | 1200bps~9600bps | ||
| Environment | Operating temperature | -25℃~+60℃ | |
| Operating temperature limit | -35℃~+70℃ | ||
| Relative humility | ≤95% (without condensation) | ||
| Working power supply | DC-AC power supply(range: 40V~265V) Power consumption: ≤1W, 2VA | ||
| Dimensions | Overall dimensions(mm): 96×48×113 Hole size (mm): 92×45 | ||
| Weight | 450g | ||
Cathode Side Wiring Diagram Anode Side Wiring Diagram Since isolation measures are not adopted inside the meter for voltage current ase note that the voltage difference between voltage terminal and current terminal can’t be greater than 5V upon connection. Â
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