Thank you for your review
Email me when discounted: 
oPlc is a powerful program that turns your Mac into a reliable Programmable Logic Controller, supporting Modbus-TCP and Modbus-RTU over TCP for I/O devices. There are more than 80 functional objects available. You can use up to 10 pages, 400 objects and 20 timers. For communication with Modbus-RTU devices an ethernet to RS485 converter is needed.

What's New

Version 1.2:
  • Modbus objects Force Multiple Coils and Preset Multiple Registers added
  • TCP command listener added (for communication with oWatchdog)
  • Some minor improvements and bug fixes


  • OS X 10.7 or later
  • 64-bit processor

Similar Software

Open Comparison
Suggest Other Similar Software
Leave a Review

oPlc User Discussion

To leave a comment, you need to be logged in.
Sort by: Time | Smiles
There are no Ratings for this App yet.
0 0


Current Version (1.x)


Downloads 251
Version Downloads 160
Type Utilities / System
License Commercial
Date 21 Sep 2012
Platform Intel 64 / OS X
Price $49.99
download install