MODBUS 중국 기술 네트워크

Modbus 중국 네트워크

자동화 엔지니어, 장비 제조업체 및 IoT 개발자를 대상으로 Modbus 프로토콜 문서, 온라인 디버깅, 제품 선택 및 솔루션을 제공합니다.

★★★★★ 엔지니어 추천
modbus-frame-viewer
address
function code
data
CRC verification
← 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
Transaction identifier
Protocol Identifier
Last byte length
Unit identifier
function code
data
← 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
start
address
function code
data
LRC
End
← 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
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
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