
Plc Echo
Rockwell, Siemens, OPC UA, SQL
0 ratings
Free
About
Real-Time Data Monitoring: Effortlessly read and write tags in Rockwell / Allen-Bradley (Logix, Micro850, SLC 5/05, MicroLogix 1100) and Siemens S7 PLCs, OPC UA servers and Modbus TCP devices. View live data directly on your phone, tablet or PC.
Database Support (new): Read the latest values from Microsoft SQL Server tables and views, including logging tables that store tag names and values. Read only, with no changes to the database.
Dynamic Visualizations: Instantly track PLC data through dynamic gauges for a visually intuitive experience. Tags from different makes of controller on one screen.
Comprehensive Trending: Track and analyze PLC data with single-tag trends, showing maximum, minimum and average, and multi-tag comparison on one chart.
Read Errors: See at a glance which tags could not be read and why, including when a PLC or server cannot be reached. The other tags keep updating.
Extensive Resources: Access a full online manual, along with video tutorials for easy onboarding and advanced usage tips.
Free Forever, with Limitations: The FREE version of Plc Echo provides ongoing access with a limited number of tags, allowing you to experience its capabilities at no cost.
Whether commissioning, fault finding or monitoring all day on a large Windows screen, Plc Echo is your must-have tool for real-time PLC data. Download now and turn your device into a smart monitoring hub!
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What's New in Plc Echo
2026.10.2096
October 21, 2026
Boolean (on/off) tags: - Trend Boolean tags and see exactly when they changed - Show Boolean tags on gauges - Write 1 or 0 to set or clear a Boolean tag - Name the two states as you like (On/Off, Run/Stop, True/False) Plus bug fixes and layout improvements.
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