In the fields of industrial automation, intelligent manufacturing, and data acquisition, high-precision and high-reliability analog signal acquisition is the cornerstone of building stable control systems. In response to the growing market demand for differential input technology,  EBYTE Electronic Technology Co., Ltd. (EBYTE) officially launched the MA01-XHXX differential analog series. This is not a single product, but a complete product matrix covering 1 to 12 channels, with both isolated and non-isolated types, aiming to provide engineers with a flexible, accurate, and cost-effective industrial-grade analog acquisition solution.

Core Positioning of the Series: Filling Gaps, Building a Matrix
The birth of the MA01-XHXX series stems from EBYTE's profound insight into industrial market needs. Traditional analog modules often have limited choices in terms of channel count and isolation characteristics, forcing users to compromise when designing systems. The core value of this series lies in "systematicness" and "completeness":

  • Filling product line gaps: Systematically providing multiple specifications from single-channel to twelve-channel, meeting all needs from simple monitoring points to complex multi-parameter acquisition systems.

  • Building a complete matrix: Each channel specification offers both isolated (model suffix with 'P') and non-isolated options, allowing users to select precisely based on on-site environmental safety requirements, interference levels, and budget.

Model Naming Rules and Product Matrix Overview
By analyzing the provided model list, we can clearly interpret its naming rules and corresponding product matrix:
MA01-XHXX [Channel Count] [Isolation Identifier] -V2 [P]

  • [Channel Count]: Represented by two digits, such as 01 (1 channel), 02 (2 channels), 04 (4 channels), 06 (6 channels), 08 (8 channels), 10 (10 channels), 12 (12 channels). This is the primary basis for selection.

  • [Isolation Identifier] and suffix [P]: This part jointly defines the isolation characteristics.

    • With 'P' suffix: Indicates an isolated module. It adopts isolation technology internally, with independent power supply and signal lines, effectively blocking ground loop interference, common-mode voltage, and on-site surges. Suitable for industrial environments with complex power supply and strong interference, with higher safety.

    • Without 'P' suffix: Indicates a non-isolated module. It has a more cost-effective advantage, suitable for clean power supply environments with low interference, such as control cabinets or laboratories.

Based on this rule, the MA01-XHXX series forms a clear two-dimensional selection matrix:

Channel Count

Non-Isolated Model Example

Isolated (with P) Model Example

Application Scenario Description

1-channel

MA01-XHXX0100-V2

MA01-XHXX0100-V2P

Single-point high-precision monitoring, such as key temperature and pressure points

2-channel

MA01-XHXX0200-V2

MA01-XHXX0200-V2P

Paired parameter acquisition, such as inlet and outlet water flow, temperature difference monitoring

4-channel

MA01-XHXX0400-V2

MA01-XHXX0400-V2P

Small and medium-sized systems, such as small PLC expansion, multi-variable test benches

6-channel

MA01-XHXX0600-V2

MA01-XHXX0600-V2P

Medium-sized control units, such as regional environmental monitoring stations

8-channel

MA01-XHXX0800-V2

MA01-XHXX0800-V2P

Distributed I/O nodes, such as workshop data acquisition stations

10-channel

MA01-XHXX0A00-V2

MA01-XHXX0A00-V2P

Large-scale data acquisition, such as front-end of energy management systems

12-channel

MA01-XHXX0C00-V2

MA01-XHXX0C00-V2P

Ultra-high-density acquisition, suitable for DCS system expansion, large-scale test systems

(Note: MA01-XHXX0A00-V2/P in the model list corresponds to 10 channels, and MA01-XHXX0C00-V2/P corresponds to 12 channels)

This matrix ensures that whether your project needs to monitor 1 point or 120 points, whether the on-site environment is clean or harsh, you can find a "just right" model in the MA01-XHXX series, without paying for unnecessary functions or compromising due to insufficient performance.

Core Technical Advantages: Beyond Multi-Channel and Isolation
In addition to the flexible matrix design, this series of products also does not compromise on performance, with the following core advantages:

  • True differential input architecture: Adopting differential signal input technology, it can effectively suppress common-mode noise, significantly improving signal measurement accuracy and system reliability in complex electromagnetic environments, especially suitable for long-distance transmission or industrial sites with many interference sources.

  • Wide signal compatibility: A single module supports both voltage signals (0-5V, 0-10V) and current signals (0-20mA, 4-20mA) simultaneously. Users do not need to prepare multiple modules for different types of sensors, simplifying procurement, inventory, and wiring.

  • Industrial-grade communication and reliability:

    • Standard Modbus RTU protocol: Ensures seamless integration with mainstream PLC, SCADA, HMI, and configuration software.

    • RS485 interface: Supports communication distances up to 1200 meters, facilitating the construction of distributed acquisition networks.

    • Multi-device networking: A single bus can connect up to 247 devices, greatly expanding system capacity.

  • High-performance indicators:

    • High-speed sampling: 40Hz sampling frequency, meeting the real-time requirements of most industrial processes.

    • Configurable filtering: Supports 1-16 levels of digital filtering, allowing users to achieve the best balance between response speed and stability according to needs.

    • Wide voltage power supply: Supports DC 8-28V power supply, adapting to various on-site power supply conditions.

Typical Application Scenarios
The strong adaptability of the MA01-XHXX series enables it to excel in numerous fields:

  • Industrial automation: As an analog expansion unit for PLC or DCS systems, collecting signals such as temperature, pressure, and displacement on the production line.

  • Process control: Used for monitoring process parameters such as flow, liquid level, and pH value in chemical, pharmaceutical, and water treatment industries.

  • Data acquisition systems: Applied in environmental monitoring stations (temperature and humidity, gas concentration), energy management systems (voltage, current, power), and scientific research experimental equipment.

  • Building automation: Integrated into HVAC systems to monitor pipeline pressure, water temperature, air volume, etc.

Summary and Selection Recommendations
The launch of EBYTE's MA01-XHXX differential analog input module series marks the further improvement of its solutions at the sensor layer of the industrial Internet of Things. Through matrix-based and modular design ideas, it returns the right of choice to engineers, making system design more precise and efficient.

Simple Selection Guide:

  1. Count the points: Determine the total number of analog signals to be collected, and consider about 20% expansion margin for the future, then determine the number of channels.

  2. Evaluate the environment: If the on-site power supply is complex, there are strong interference sources such as motors/frequency converters, or there are requirements for safety isolation, priority should be given to the isolated type (with P); if the environment is clean and cost-sensitive, the non-isolated type can be selected.

  3. Unify signals: Try to plan sensors of the same type (such as all 4-20mA) into the same module to optimize configuration.

Whether you are building a new automation system or upgrading existing equipment to be intelligent, the MA01-XHXX series can provide you with a reliable, accurate, and cost-effective signal acquisition cornerstone, serving as a reliable bridge between the physical world and digital systems.