High-Voltage High-Current Single-Phase 0-1000A 0-1500V DC Signal Acquisition Module
Product No.: ZH-4223A-14E5
High voltage DC measurement up to 1500V(customizable)
High current DC input up to 1000A(customizable)
single-channel fully isolated design
Modbus RTU/TCP over RS485 or Ethernet
High-Voltage High-Current Single-Phase DC Signal Acquisition Module Modbus RTU DC Power Transmitter
Product Overview
This product is a collection module designed for measuring high DC voltage and current in industries such as photovoltaics, wind energy, and new energy. It measures the current, voltage, power, and electrical measurement of DC circuits; The DC voltage can be measured up to 1500V, and the current can be measured using the Hall measurement principle. The RS485 digital interface output enables remote transmission, and the product's Modbus protocol is fully compatible with various configuration software or Modbus (RTU) protocols in PLC devices. Can be applied to photovoltaics, UPS, Computer room monitoring, industrial measurement and other fields.
Model Selection
ZH-4223A-14E5 Single Phase DC Power Acquisition,current more than 6A,through-hole type
ZH-4223-14E5 Single phase DC Power Acquisition,current less than 6A
ZH-4212A-14ES Single Channel DC Current Acquisition
Key Features
1. Available with wide power supply options: DC: 10-30V or 10-55V.
2. The current measurement range is wide, with a maximum range of up to 1000A.
3. The electricity has the function of accumulating positive and negative values separately, and has power-off storage.
4. Equipped with red and green LED indicators, the red light indicates normal operation of the product (flashing for 100mS), and the green light indicates product communication.
5. Strong anti-interference ability, with input, output, and power ports capable of withstanding surge voltages of up to 2KV.
6. It has independent RS485 and Ethernet dual communication ports, which can be used simultaneously
7. Equipped with a relay alarm output, it has the function of setting upper and lower limits, as well as threshold alarms within and outside the area
8. The input spacing is large, safe and reliable, and the input is isolated from the power supply and communication
9. It can be used for universal measurement of AC and DC, with two measurement methods: absolute value and signed value
10. It has high-resolution output and can freely choose between resolutions of one ten thousandth and one fifty thousandth
Technical Specification
Parameter
Specification
Accuracy level
1.0% (through-hole type), 0.2% (terminal input type); Voltage 0.2%
Current range
0~5A-1000A DC (customized production according to user requirements)
Voltage range
0~75mV-1000VDC
Working temperature
-20 ℃ to+60 ℃
Data update time
100mS
Isolation withstand voltage
>2500V DC
Auxiliary power supply
+12VDC/+24VDC
Rated power consumption
2W
Output interface
RS485
Data output
voltage/current/power/kWh
Communication baud rate
2400,4800,9600,19200bps
Data format
no checksum, 8 data bits, 1 stop bit
Communication protocol
MODBUS-RTU protocol
Installation method
Standard 35mm rail installation
Size
86x68.5x50.5mm
Applications
1.Solar PV Generation Monitoring
Bipolar measurement captures DC output from solar arrays; bidirectional energy metering tracks self-consumption vs. grid feed-in.
2.Battery Energy Storage Systems (BESS)
Measures charge/discharge current and accumulated ampere-hours (Ah) for battery state-of-charge monitoring.
3.Industrial DC Power Monitoring
Full parameter acquisition for DC motor drives, electrolysis equipment, and DC distribution panels.
4.Telecom & Data Center Power
Monitor -48V or other DC bus systems with high accuracy and galvanic isolation.
5.Electric Room Monitoring
RS485 Modbus RTU output integrates seamlessly with SCADA, PLC, and building management systems
Why You Choose Us
1.High Isolation & Safety:
Features large and safe input spacing with complete isolation between input, power supply, and communication interfaces, plus an isolation withstand voltage >2500V DC.
2.Direct Manufacturer Standards:
High-precision engineering,specializing in robust industrial automation signal acquisition and monitoring solutions.
3.Wide Range Support:
Built for demanding high-voltage and high-current environments such as large-scale photovoltaic setups and heavy industrial test rigs.
FAQ
Q1: Does this module store historical data internally?
A: No, this product functions strictly as a real-time signal acquisition and monitoring module without built-in historical storage or logging capabilities.
Q2: What are the maximum voltage and current measurement limits?
A: It can measure DC voltages up to 1500V and currents up to 1000A using the Hall-effect through-hole configuration.
Q3: What communication protocols and interfaces are supported?
A: It features independent RS485 and Ethernet communication ports supporting standard Modbus-RTU communication protocol.











