Knowledge Base
300+ SCADA Protocol Articles & Guides
Deep dives on Modbus, DNP3, IEC 60870-5-101/104, IEC 61850, OPC UA, Profinet, MQTT, IEC 62443, and substation automation — written for practicing engineers.
All (280)Blog (68)Cybersecurity (32)MQTT Protocol (23)CIP Protocol (20)Modbus Protocol (19)IEC 61850 (17)PLC Communication (14)Redundancy Protocols (13)DNP3 Protocol (12)OPC UA Protocol (12)Wireshark Tutorials (12)ICCP / TASE.2 (9)IEC 60870-5-104 Protocol (8)Protocol Decoders (7)Profibus Protocol (5)Profinet Protocol (5)IEC 60870-5-101 Protocol (4)
Tags:
All
#Modbus(35)
#MQTT(34)
#SCADA(32)
#Modbus TCP(28)
#CIP(26)
#IEC 61850(23)
#DNP3(22)
#OPC UA(20)
#IEC 62443(18)
#PLC(18)
#Protocol Comparison(18)
#Modbus RTU(16)
#Wireshark(16)
#IEC 104(14)
#MQTT 5(13)
#PROFINET(13)
#function codes(11)
#ICCP(11)
#TASE.2(11)
#HSR(10)
#OT security(10)
#RS-485(10)
#TCP/IP(10)
#Broker(9)
#ICS Security(9)
#IEC 62439-3(9)
#ISMS(9)
#MBAP(9)
#Serial Communication(9)
#Siemens(9)
#Allen-Bradley(8)
#config(8)
#EtherNet/IP(8)
#IEC 101(8)
#IoT(8)
#ISO 27001(8)
#MMS(8)
#QoS(8)
#ASDU(7)
#holding registers(7)
Showing 1–3 of 3 articles
Protocol Decoders
MODBUS
Modbus Poll Android App: Read, Write, and Test Modbus Devices From Your Phone
Turn your Android phone into a Modbus master. Connect over Wi-Fi, read registers, write coils, and debug PLCs on-site - no laptop needed.
6
Protocol Decoders
SCADA
SCADA Protocol Analyzer: Decode Industrial Protocols on Your Phone
Decode DNP3, Modbus TCP/RTU, IEC-104, and IEC-101 hex frames on your Android phone. Paste, decode, and analyze SCADA protocol traffic anywhere - no laptop needed.
4
Protocol Decoders
MODBUS
Free Modbus Decoder & Encoder Online - Instantly Decode RTU & TCP Data
Free browser-based Modbus decoder and encoder. Analyze RTU and TCP frames, display register values correctly, and debug PLC communication fast.
6