If you work with PLCs, VFDs, sensors, or any Modbus device, you know the pain. You need to check a register value. You need to write a coil. But your laptop is back at the office — or buried in your bag. Modbus Poll for Android solves that problem. It turns your phone into a Modbus master. Connect… Read More: Modbus Poll Android App: Read, Write, and Test Modbus Devices… »
If you work with SCADA systems, you know the pain. You’re on-site, staring at raw hex frames, and your laptop is back at the office. You need to decode a Modbus response or check a DNP3 unsolicited message — right now. That’s why SCADA Protocol Analyzer exists. It’s an Android app that puts a full protocol decoder in… Read More: SCADA Protocol Analyzer: Decode Industrial Protocols on Your Phone »
The IEC 60870-5-103 (IEC 103) protocol remains one of the most widely used communication standards for protection equipment in electrical substations. Engineers, technicians, and SCADA developers rely on it to exchange event data, trip information, timestamps, and analog values between protection relays and control systems. Whether you’re commissioning new equipment or analyzing fault records, having a reliable IEC… Read More: IEC 103 Protocol Decoder: Free, Fast, In-Browser »
Do you ever look at a Modbus hex string and wonder what it really means?Are you trying to check if your PLC or SCADA system is sending the right values?Or do you just need to quickly create a Modbus command to test a device? This Free Online Modbus Decoder and Encoder is built to make those tasks easy.… Read More: Free Modbus Decoder & Encoder Online – Instantly Decode RTU… »
In the world of industrial automation and SCADA systems, the DNP3 protocol (Distributed Network Protocol 3) plays a critical role in enabling secure and reliable data communication between devices. Whether you’re a utility engineer, cybersecurity analyst, or automation developer, decoding DNP3 frames is essential for troubleshooting, compliance, and interoperability. Manually decoding DNP3 hexadecimal data is time-consuming and error-prone.… Read More: DNP3 Decoder Tool Online | Decode DNP3 Frames Instantly (IEEE… »
The IEC 60870-5-104 protocol (usually called IEC-104) is one of the main communication standards used in SCADA and substation automation. It defines how control centers, RTUs, and gateways exchange data over TCP/IP networks. If you work with substations, automation, protocol testing, or energy systems, you’ve probably seen IEC-104 hex frames. Reading these frames by hand is slow and… Read More: Instant IEC-104 Decoder – Paste Any IEC-104 Hex Frame, Get… »
Looking for a quick, hassle-free way to decode IEC 101 frames? This free IEC 101 Decoder runs entirely in your browser and turns raw hex into clear, readable text instantly. No installs, no setup, no extra tools. Just paste your data and get answers. It also handles originator addresses and can automatically tell whether your frame uses a… Read More: Instant IEC 101 Decoder – Paste Any IEC 101 Hex… »