Acrel PZ72(L)-DE DC Power Meter With RS485 Modbus

Name: PZ72(L)-DE DC Power Meter With RS485 Modbus
Brand: Jiangsu Acrel Micro-grid Research & Development Institute

PZ72(L)-DE dc power meter with RS485 modbus is designed for DC panels, solar power supply, telecommunication base stations, charging piles and other applications. It can measure voltage, current, power, forward and reverse electric energy in DC systems. It can be used for local display, and can be connected with industrial control equipment and computers to form a measurement and control system. At the same time, it has a variety of peripheral interface functions for users to choose: it has RS-485 communication interface, using Modbus-RTU protocol; it has relay alarm output and digital input/output.

Specification of PZ72(L)-DE DC Power Meter With RS485 Modbus

Function Overview

Main Parameters

Environment

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 bits,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	The 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 Supply	Power Consumption	≤ 2W
Pulse Constant		Voltage and current specifications：750V、300A，Default pulse constant：100imp/kWh
Pulse Constant		Voltage and current specifications：1000V、300A，Default pulse constant：100imp/kWh
Insulation resistance		≥ 100MΩ
Power frequency withstands 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

Features of PZ72(L)-DE DC Power Meter With RS485 Modbus

The voltage can be connected to 1000V, and the current can be connected to Hall transformer or shunt;

It uses a high flame-retardant shell to measure the forward and reverse electric energy with an accuracy of up to 0.5;

It can not only be used for local display, but also can be connected with industrial control equipment and computers to form a measurement and control system.