6-Channel DC Current Data Acquisition Module RS485 Modbus ZH-44062A
Product No.: ZH-44062A
6-channel simultaneous current measurement
DC or AC/DC universal current measurement
Full isolation between measurement channels
Current ranges:5A/10A/20A/30A/40A/50A/60 A
Product Description
The ZH-44062A 6-Channel Current Data Acquisition Module is designed for high-precision multi-channel current measurement and industrial monitoring applications.
The module can simultaneously measure 6 independent current channels with full electrical isolation between channels. The ZH-44062A series provides DC current measurement models, while the ZH-41062A series supports AC/DC universal current measurement with true RMS measurement.
Equipped with a high-precision AD converter and closed-loop Hall-effect current sensors, the module provides high measurement accuracy, fast dynamic response and a wide frequency response of 0–1000 Hz.
The module supports RS485 and Ethernet communication and standard Modbus RTU and Modbus TCP protocols, allowing easy integration with PLCs, SCADA systems, industrial PCs, energy management systems and automated test equipment.
With multiple current ranges, flexible power supply options, seven selectable data update intervals and strong electrical isolation, the ZH-44062A series is suitable for battery monitoring, solar PV systems, energy storage, data centers, industrial automation and power monitoring.
Model Selection
ZH-44062A Series – 6-Channel DC Current Acquisition
Model
Measurement
Communication
Power Supply
ZH-44062A-14N1/#A
6-channel DC current
RS485
9–30 VDC
ZH-44062A-34N1/#A
6-channel DC current
RS485 + Ethernet
9–30 VDC
ZH-44062A-19N1/#A
6-channel DC current
RS485
90–265 VAC/DC
ZH-44062A-39N1/#A
6-channel DC current
RS485 + Ethernet
90–265 VAC/DC
ZH-41062A Series – 6-Channel AC/DC Current Acquisition
Model
Measurement
Communication
Power Supply
ZH-41062A-14N1/#A
6-channel AC/DC current
RS485
9–30 VDC
ZH-41062A-34N1/#A
6-channel AC/DC current
RS485 + Ethernet
9–30 VDC
ZH-41062A-19N1/#A
6-channel AC/DC current
RS485
90–265 VAC/DC
ZH-41062A-39N1/#A
6-channel AC/DC current
RS485 + Ethernet
90–265 VAC/DC
1.6-Channel Simultaneous Current Measurement
The ZH-44062A can simultaneously acquire six independent current signals, making it suitable for multi-circuit current monitoring, automated testing and industrial data acquisition.
2.DC and AC/DC Current Measurement
The series provides both DC current and AC/DC universal current measurement options.
The AC/DC models support true RMS measurement and a frequency response of 0–1000 Hz, making them suitable for variable-frequency and dynamic current signals.
3.Full Electrical Isolation
The module uses a full-isolation design for the power supply, communication interface and current measurement circuits.
The isolation withstand voltage is greater than 2500 VDC, helping improve system safety, reliability and resistance to electrical interference.
4.High-Precision Closed-Loop Hall Sensor
The module uses a high-precision closed-loop Hall-effect current sensor featuring:
--High measurement accuracy
--Fast dynamic response
--Good long-term stability
--Electrical isolation
--AC/DC current measurement capability
The standard current input aperture is 8.5 mm.
5.RS485 and Ethernet Communication
Depending on the model, the module supports RS485 or RS485 + Ethernet communication.
Supported protocols include:
--Modbus RTU
--Modbus TCP
This allows integration with PLC, SCADA, industrial PC and other automation systems.
6.Seven Selectable Data Update Rates
The data update interval can be configured to:
20 / 40 / 60 / 80 / 100 / 400 / 1000 ms
The default setting is 100 ms.
7.Floating-Point Data Output
The module provides floating-point measurement data for direct reading of actual measured values.
An error compensation coefficient can also be configured for measurement correction.
8.Strong Anti-Interference Capability
The input, output and power interfaces provide surge resistance of 2 kV or higher, helping ensure reliable operation in demanding industrial environments.
Technical Specifications
Parameter
Specification
Number of Channels
6
DC Model Accuracy
0.2% FS
AC/DC Model Accuracy
Better than 0.5% FS
Current Ranges
5A/10A/20A/30A/40A/50A/60A
Maximum 60A DC Measurement
Up to 85 A DC
Current Sensor
Closed-loop Hall-effect sensor
Current Input Aperture
8.5 mm
Measurement Type
DC/AC/DC True RMS
Frequency Response
0–1000 Hz
Current Overload
1.2× rated current for normal measurement; 2× without damage
Data Update Rate
20/40/60/80/100/400/1000 ms
Isolation Withstand Voltage
>2500 VDC
Auxiliary Power Supply
9–30 VDC or 90–265 VAC/DC
1.Battery Current Monitoring
Monitor charging and discharging current across multiple battery circuits. The six-channel design allows multiple battery branches to be monitored simultaneously, making it suitable for battery testing, battery management and DC power systems.
2.Solar PV Current Monitoring
Measure current from multiple photovoltaic strings or DC circuits in solar power systems. The isolated measurement channels help reduce interference between different circuits and improve monitoring reliability.
3.Battery Energy Storage Systems
The module can be used to monitor charge and discharge currents in battery energy storage systems (BESS), supporting real-time current acquisition and communication with upper-level monitoring systems.
4.Data Center Load Testing
Monitor multiple power circuits during server load testing, equipment burn-in testing and reliability testing. The fast data update rate and Modbus communication make it suitable for automated test and monitoring systems.
5.Industrial Automation
Connect the module to PLC, SCADA or industrial computers through RS485 Modbus RTU or Ethernet Modbus TCP for centralized current monitoring and industrial process control.
6.Automated Test Equipment
The configurable sampling rate and active data transmission function make the module suitable for automated electrical testing, production-line testing and long-term equipment monitoring.
Why Choose Us
1.High-Precision Current Measurement
Our current acquisition modules use high-precision AD conversion and closed-loop Hall-effect sensing technology to provide accurate and stable current measurement for demanding industrial applications.
We provide customized solutions for OEM and system integration projects, including current range, communication interface, power supply and other product configuration requirements.
Our products are designed around practical industrial measurement requirements, with emphasis on accuracy, isolation, communication compatibility, reliability and long-term operation.
Our engineering team can assist with product selection, communication configuration, application evaluation and integration requirements to help customers develop the right current monitoring solution.
FAQ
1.What is the difference between ZH-44062A and ZH-41062A?
The main difference is the measurement type:
ZH-44062A: DC current measurement
ZH-41062A: AC/DC universal current measurement with true RMS
If a DC signal contains AC ripple and the AC component should not be included in the measured DC value, the DC version is generally more appropriate.
Yes. The module uses a full-isolation design, including isolated current measurement channels, communication and power supply.
Available current ranges include:
5A, 10A, 20A, 30A, 40A, 50A and 60A.
Seven data update intervals are available:
20 ms, 40 ms, 60 ms, 80 ms, 100 ms, 400 ms and 1000 ms.
The default setting is 100 ms.
Yes. We support OEM/ODM and project-based customization. Customers can discuss requirements such as current range, communication interface, power supply, measurement method and system integration with our engineering team.
6.What applications are suitable for this module?
Typical applications include battery monitoring, solar PV systems, battery energy storage, data center load testing, industrial automation, DC power monitoring, automated testing and multi-channel current monitoring.
Need a 6-Channel Current Monitoring Solution?
Tell us your current range, measurement type, communication interface and application requirements. Our engineers can help you select the right current data acquisition module for your system.
