Direct Connect DI/DO Switching types of dc energy meter for charging piles and solar PV monitor

● Measurement: 1-circuit DC kWh, kVarh, U, I, P and etc
● Accuracy: 0.5%
● Rated Voltage: 1000V DC
● Rated Current: 10A DC (direct connect); 0/4~20mA DC (via Hall Sensor); 75mV (via Shunts)
● Power Supply: 85~265V AC/DC; 20~60V DC
● Standard&Certificate: CE Certificates
●Local display
●Measure voltage, current, power, forward and reverse power in DC system
●Set parameters
●Applications:DC panels, solar power, telecommunications base stations, and charging posts

● Communication: RS485 (MODBUS-RTU)
● DI/DO Function: 2/4-channel DI&2-channel DO
● ±12V Power Ouput: Paired with Hall Sensor
● Multi-rate/tariff:4 Tariff Rates and etc
●Relay alarm output

Function

Description&Value

Measurement

1-circuits DC Voltage, Current, Power, kWh

Display

LCD display

Communication
(Optional)

RS485,Modbus-RTU protocol;(1 start bit,8 data bit,1 stop bit,no parity)
Baud Rate 1200~38400 bps etc.

DI/DO Switching
(Optional)

DI (Digital input): 2-channel digital input,dry contact, built-in power supply
DO (Digital output): 2-channel digital output (relay output) with NO Contact, Capacity: 2A/30V DC or 2A/250V AC

±12V Power Output
(Optional)

Serve as the power supply for 1 Hall Sensors with ±12V DC

Multi-rate/tariff
(Optional)

2 Time Schedules; 4 Time Zone for a year; 12 time periods by days set for 1 time schedule; 4 Tariff Rates (Spike, Peak, Flat,
Valley); Min. Time Interval=15 min.

Parameter

Description&Value

Input

Rated Voltage

DC Voltage Input: 0~1000V DC (via direct connetion); Input Resistance: ≥ 6kΩ/V

Rated Current

DC Current Input: 10A DC (via direct Connection); 0~20mA or 4~20mA (via Hall Sensors); 75mV (via Shunts)

Overload

Current&Voltage input overload:1.2 times rated value(continuous); 10 times rated value /1 second

Power Consumption

Power consumption of each current input circuit is less than 1mW

Measuring Accuracy

Class

0.5%

Power Supply

Voltage Range

85-265V AC/DC; 20~60V DC (±20%)

Power Consumption

≤ 2W

Pulse Constant

Voltage and current specifications：750V、300A，Default pulse constant：100imp/kWh

Voltage and current specifications：1000V、300A，Default pulse constant：100imp/kWh

Insulation resistance

≥ 100MΩ

Power frequency withstand voltage

Between Power supply//Switching Output// Current Input//voltage Input and Transmitting// Communication //Pulse Output//switching
input AC 2 kV 1min;
Between Power supply、switching output、Current Input、voltage Input AC 2 kV 1min;
Between Transmitting、Communication、Pulse Output、switching input AC 1kV 1 min;

Condition

Description&Value

Temperature

Operation: -25℃～+65℃; Storage: -40°C ~+80°C

Humidity

≤95%RH,no condensation,without corrosive gas

Altitude

≤ 2500m