MODBUS CHINA TECHNICAL NETWORK

Modbus Chinese Network

Targeting automation engineers, equipment manufacturers, and IoT developers, we provide Modbus protocol documentation, online debugging, product selection, and solutions.

Enter the debugging tool View technical documentation

★★★★★ エンジニアおすすめ

modbus-frame-viewer

← PDU →

01 1 byte

03 1 byte

00 01 00 02 4 bytes

95 CRC low

CB CRC high

2 bytes

Complete frame: 01 03 00 01 00 02 95 CB 8 bytes

← MBAP message header →

← PDU →

00 01 2 bytes

00 00 2 bytes

00 06 2 bytes

01 1 byte

03 1 byte

00 01 00 02 4 bytes

Complete frame: 00 01 00 00 00 06 01 03 00 01 00 02 12 bytes

← PDU →

: 1 character

01 2 characters

03 2 characters

00 01 00 02 8 characters

B8 2 characters

CR LF 2 characters

Complete frame: :010300010002B8C4\r\n 17 characters

Beginners on the road Start learning from this frame Follow 01 03 00 01 00 02 95 CB to disassemble the address, function code, data, and verification Start learning

1011+ Technical data and articles

33 Protocol and Industry Classification

100+ Equipment and Manufacturer Scenarios

24h Tools and Information Online

PLATFORM MAP

From protocol learning to engineering implementation, a one-stop technical platform

Whether you are an automation engineer, equipment manufacturer, or system integrator, you can find the required protocol information, debugging tools, and industry solutions here.

Protocol database

Modbus RTU、TCP、ASCII、 Function code, exception code, register, and message format.

Online Tools

Serial port debugging, TCP debugging, CRC calculation, message parsing, free online use.

Industrial Product Center

Parameters, manuals, and purchase entry points for sensors, gateways, controllers, acquisition modules, and industry equipment.

Industry Solutions

Project plans for smart agriculture, energy consumption monitoring, building automation, hydrological environment, factory data collection, etc.

Service and Support

From technical consultation to product delivery, one-stop industrial services

We provide full process technical support from protocol consultation, equipment selection to solution implementation, covering fields such as smart agriculture, industrial automation, environmental monitoring, energy and power.

Tool MembershipAdvanced debugging, batch parsing, device templates, historical records Download MaterialsProtocol manual, wiring diagram, selection table, industry white paper product procurementEquipment details, parameter comparison, quotation consultation, shopping cart Engineering ServicesRemote diagnosis, project plan, vendor entry, technical training

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