JCH 104 Lab

JCH 104 Lab

Professional IEC 60870-5-104 Protocol Simulator

For iPad & Mac

Download on the App Store

Features

🔌

Server & Client

Operate the app as Controlled Station (Server) or Controlling Station (Client).

📡

Complete Stack

Native IEC 60870-5-104 implementation with all 58 TypeIDs.

📊

Live Protocol

Real-time display of all telegrams with hex dump and explanations.

🔧

Send Commands

Single, Double, Regulating commands and setpoints with Select-before-Execute.

Live Simulation

Simulate process changes like a real PLC.

🌍

Bilingual

Full support for German and English.

Technical Specifications

Protocol IEC 60870-5-104
Default Port TCP 2404
TypeIDs All 58 supported
Platforms iPad, Mac (Apple Silicon)
Minimum Version iOS 17.0 / macOS 14.0
Languages German, English