24 Cell Battery Voltage Monitoring Module RS485 Modbus-RTU

Product Overview

The ZH-43243-19 Battery Monitoring Module is a high-precision battery voltage inspection device designed for DC power systems, UPS systems, EPS systems, telecom power systems, and industrial energy storage applications.

The module supports isolated monitoring of 24 individual battery cells, battery charge/discharge current, and environmental temperature. Using high-precision A/D acquisition technology with optocoupler isolation and high-voltage isolation transmitters, the device provides excellent anti-interference capability and stable measurement performance.

Multiple modules can be connected through RS485 communication, allowing centralized monitoring of up to 384 battery cells with Modbus-RTU protocol support.

Product Model

ZH-43243-19:24-cell battery pack detection

ZH-43543-19:54-cell battery pack detection

Key Features

1.24-channel isolated battery voltage monitoring

2.Supports 2V~12V battery systems

3.High resistance to common-mode and differential interference

4.High-precision A/D measurement technology

5.Accuracy better than 0.2%

6.RS485 Modbus-RTU communication

7.Supports multi-module networking

8.Monitoring of battery charge/discharge current

9.Dual-channel environmental temperature detection

10.Stable performance under harsh industrial environments

11.Fast data refresh speed (<4 seconds)

12.Suitable for UPS/EPS battery monitoring systems

Typical Applications

1.UPS Battery Monitoring Systems
2.EPS Emergency Power Systems
3.Telecom DC Power Cabinets
4.Data Center Backup Power Systems
5.Industrial Battery Banks
6.Energy Storage Systems (ESS)
7.Substation DC Systems
8.Power Distribution Rooms
9.Industrial Automation Systems

Communication & Interface

The ZH-43243-19 uses standard RS485 communication with Modbus-RTU protocol, making it easy to integrate with:

1.PLC Systems

2.SCADA Platforms

3.UPS Monitoring Systems

4.Industrial Automation Controllers

5.Energy Management Systems

6.Supported communication settings:

• Baud Rate: 4800 / 9600 / 19200bps
• Data Format: 8N1
• Protocol: Standard Modbus-RTU

System Architecture

The battery monitoring system adopts a modular distributed architecture.

Features include:

1.Multiple modules can operate in parallel

2.Supports centralized host monitoring

3.Maximum support for 384 battery cells

4.Flexible RS485 bus networking

5.Easy installation and maintenance

6.Software configurable battery quantity

This architecture significantly simplifies system expansion and industrial deployment.

Why Choose This Module

Full Isolation Protection

Each voltage detection channel uses optocoupler isolation technology to ensure safe and reliable operation.

Strong Anti-Interference Capability

Effectively suppresses common-mode and differential-mode interference signals.

Industrial-Grade Stability

High stability design ensures accurate measurement even in harsh environments.

High Precision Measurement

Automatic voltage range classification with measurement accuracy better than 0.2%.

Flexible Expansion

Supports multi-device networking for large battery bank monitoring applications.

Easy System Integration

Compatible with standard Modbus-RTU communication systems.

Frequently Asked Questions

Q1: How many battery cells can one module monitor?

One ZH-43243-19 module can monitor up to 24 individual battery cells.

Q2: Can multiple modules work together?

Yes. Multiple modules can be connected through RS485 communication to support up to 384 battery cells.

Q3: Does the module support Modbus-RTU protocol?

Yes. The device uses standard Modbus-RTU protocol.

Q4: What battery types are supported?

The module supports 2V~12V battery systems.

Q5: Is each voltage channel isolated?

Yes. Each channel uses full isolation technology for enhanced safety and anti-interference capability.