MER File Format — FactoryTalk View ME HMI Projects
Open MER Files
in Your Browser
Based on our analysis of FactoryTalk View ME projects across manufacturing facilities, you can view HMI projects without a license. Upload your MER file and instantly browse screens, tags, alarms, and project structure.
- MER files are the native FactoryTalk View ME project format for HMI operator interfaces and dashboards.
- You can open MER files online without installing FactoryTalk View ME.
- MER files contain all screens, tags, alarms, and device connections for industrial HMI systems.
- plc.company supports MER files from all FactoryTalk View ME versions for comprehensive HMI visibility.
·Updated Apr 1, 2026·PLC Company Engineering
Everything in Your
MER File, Instantly
Screen Layout Viewer
Preview all HMI screens with their layouts, buttons, gauges, and animations. See exactly how your operator interface is designed.
Tag & Connection Browser
Browse all tags connected to your HMI, including data types, descriptions, and connection bindings to PLC tags and databases.
Alarm Configuration Viewer
View all configured alarms, alarm groups, priorities, and notification settings. Understand your complete alarm strategy.
Device & System Analysis
See target devices, communication channels, driver settings, and network configuration for your FactoryTalk View ME project.
Screen Cross-Reference
Find which screens use specific tags or connect to certain devices. Trace dependencies across your entire HMI project.
Animation & Object Inventory
Discover all animations, object types, and interactive elements across screens. Understand your HMI complexity at a glance.
Project Structure Navigator
Browse the complete project hierarchy including screens, libraries, security settings, and global objects.
Export & Documentation
Generate comprehensive documentation of your HMI project structure, connections, and screen inventory for audits and knowledge transfer.
Supported FactoryTalk View ME Versions
Frequently Asked Questions
What is a MER file?
A MER file is the native project format for FactoryTalk View ME, Rockwell Automation's HMI (Human Machine Interface) software for designing operator screens and dashboards. MER files contain all screen layouts, tag connections, alarms, and runtime settings.
Can I open MER files without FactoryTalk View ME?
Yes. PLC Company lets you open and view MER files directly in your browser without needing FactoryTalk View ME installed. You can browse all screens, tags, alarm configurations, and get insights into your HMI structure.
Which HMI platforms use MER files?
MER files are the project format for FactoryTalk View ME, Rockwell Automation's HMI platform for industrial operator interfaces. FactoryTalk View ME supports Panelview Plus terminals and other Allen-Bradley HMI devices.
How much does FactoryTalk View ME cost?
FactoryTalk View ME licenses vary by features and scale, but typically cost $2,000–$8,000+ for project licenses. PLC Company provides an alternative for viewing and understanding your HMI projects without the full software investment.
Is my MER file secure when I upload it?
Yes. Your MER file is encrypted in transit and processed on secure, isolated infrastructure. Parsed data is stored in your private account and is never shared with third parties. You can permanently delete your files at any time.
Can I view MER files from different FactoryTalk View ME versions?
plc.company supports MER files from multiple FactoryTalk View ME versions. Whether your project is from an older or newer version, we can help you view and understand your HMI configuration and screen layouts.
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