Industrial Automation, Remote Monitoring and Data Acquisition from Opto 22

We make automation simple.

SNAP PAC System

Get our easy-to-use PAC Project Software Suite for control, HMI, and networking with third-party systems.

Integrate your SNAP PAC System! Use our free kits to integrate popular Modbus, Modbus/TCP, and Allen-Bradley industrial protocols.

What is a PAC, how should you choose one, and how is it programmed? Read the Guide to PACs.

Take a Website Tour—find videos, documents, support articles, more

Request Information—talk with an engineer or get a free brochure

New to Opto 22?

Welcome Back!

Download the latest firmware for SNAP PAC controllers and brains.
Talk to Product Support (it's FREE).
Find Documentation you need.
Find the latest product announcements and software updates on the OptoBlog and in OptoForums.
Search the Opto 22 KnowledgeBase (OptoKB)