ZH-4232 Series 32-Channel Differential DC Voltage and Current Data Acquisition Module
Product No.: ZH-42321
High-Density 32-Channel Measurement
16-Bit High Precision ADC
Differential Input Design
Ethernet & Modbus Communication
Description
The ZH-4232 Series is a high-performance 32-channel DC voltage and current monitoring module designed for industrial data acquisition, battery testing, energy storage systems, automated production lines, and power electronics applications.
Featuring 16-bit high-precision ADC technology, differential inputs, channel isolation, and Modbus RTU/TCP communication, the module delivers reliable and accurate real-time monitoring for demanding industrial environments.
Key Features
1.32-Channel Simultaneous Measurement
*Monitor up to 32 DC voltage or current signals simultaneously
*Supports voltage, current, or mixed-input configurations
*Ideal for large-scale monitoring systems
2.High Accuracy Measurement
*16-bit ADC resolution*Accuracy up to 0.2%
*Excellent long-term stability
3.Differential Input Design
*Enhanced noise immunity*Improved measurement reliability
*Suitable for industrial environments
4.Fast Data Acquisition
Adjustable sampling rates:1k SPS
2k SPS
4k SPS
5k SPS
5.Industrial Communication
*RS485 Interface*Ethernet Interface (Optional)
*Modbus RTU Protocol
*Modbus TCP Protocol
6.Isolation Protection
*Signal isolation between groups*Power and communication isolation
*Isolation voltage ＞2500VDC
7.Flexible Installation
*DIN Rail Mounting*Panel Mounting
Technical Specifications
Item
Specification
Channels
32
Accuracy
0.2%
ADC Resolution
16-bit
Input Type
Differential Input
Sampling Rate
1k /2k/4k/5k SPS
Data Update Time
204ms – 1s
Communication
RS485 / Ethernet
Protocol
Modbus RTU / Modbus TCP
Mounting
DIN Rail / Panel Mount
Operating Temperature
-20°C to +70°C
Power Supply
9-30VDC / 9-55VDC
Isolation Voltage
>2500VDC
Dimensions
217 × 121 × 47 mm
Current Range
20mA,50mA,100mA,200mA,500mA,1A,2A,3A,5A Ect,can be customized
Voltage Range
10V,30V,60V,100V,200V,300V,400V,ect,can be customized
Model Selection
Model
Description
ZH-42321-14F2
32 Channel DC Voltage Monitoring Module (RS485)
ZH-42321-34F2
32 Channel DC Voltage Monitoring Module (Ethernet)
ZH-42322-14F2
32 Channel DC Current Monitoring Module (RS485)
ZH-42322-34F2
32 Channel DC Current Monitoring Module (Ethernet)
Applications
1.Battery Testing Systems
Monitor multiple battery cell voltages and currents simultaneously during:
*Battery formation
*Charge/discharge testing
*Capacity testing
*Battery pack verification
2.Battery Energy Storage Systems (BESS)
Suitable for:
*Energy storage monitoring
*Solar energy storage systems
*Lithium battery monitoring
*DC bus monitoring
3.Aging Test Equipment
Widely used in:
*Power supply aging systems
*Electronic product reliability testing
*Burn-in testing equipment
*Automated testing platforms
4.Industrial Automation
Ideal for:
*Production line monitoring
*PLC systems
*SCADA systems
*Industrial IoT platforms
5.Power Electronics Testing
Applicable to:
*DC power supplies
*DC/DC converters
*Rectifier systems
*Power electronics laboratories
System Architecture
Voltage Sensors / Current Sensors
↓
ZH-4232 Monitoring Module
↓
RS485 / Ethernet
↓
PLC / SCADA
↓
Cloud Platform
Advantages
✔ 32 Channels in One Module✔ High Precision 16-bit ADC
✔ Differential Inputs
✔ Ethernet Communication Available
✔ Modbus RTU & Modbus TCP
✔ Industrial Isolation Design
✔ Fast Sampling Speed
✔ Easy PLC Integration
✔ Reliable Long-Term Operation
FAQ
1.Can the module monitor 32 channels simultaneously?
Yes. The module can simultaneously monitor up to 32 DC voltage or current signals.
2.Does it support Ethernet communication?
Yes. Ethernet versions support Modbus TCP communication.
3.Can voltage and current channels be combined?
Yes. Customized mixed voltage/current configurations are available.
4.What is the measurement accuracy?
The module provides up to 0.2% measurement accuracy.
5.Is the module suitable for battery testing systems?
Yes. It is widely used in battery testing, battery formation, and energy storage applications.
6.Can it communicate with PLCs?
Yes. The module supports both Modbus RTU and Modbus TCP protocols for PLC integration.
