
Free
About
Smart HMI / PLC – Controller & Simulator connects your iPhone or iPad directly
to programmable logic controllers (PLCs) over EtherNet/IP – no PC, no
engineering software required.
FEATURES
• Tag browser: read and write variables, arrays and UDTs live
• HMI view: document I/Os clearly (tag, terminal, cable, photo)
• Fault handling: acknowledge alarms, analog limit alarms
• Controller info & diagnostics: status, uptime, latency, clock drift
• Trend logging: values as a graph and as a background CSV log
• Import/Export: I/O and fault lists as CSV/XLSX, everything printable
• Built-in simulator: try every feature – completely without hardware
WHO IT'S FOR
For electricians, commissioning and maintenance engineers and automation
technicians who need fast, mobile access to a controller.
SAFETY NOTE
Interventions on live plants are at your own risk. This app is a tool and does
not replace a safety-rated control system.
Compatible with common EtherNet/IP controllers. "Allen-Bradley", "CompactLogix"
and others are trademarks of their respective owners; no affiliation is implied.
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What's New in PLC Controller & Simulator
1.0
July 7, 2026


