SNAP I/O™ from Opto 22 completes your A-B PLC system.
Use our distributed intelligence to shift I/O scanning and control to the local I/O level. Add new functions, reduce network traffic, and improve overall system performance.
Get all your questions answered in a live online demo. Call your local distributor or Arun Sinha at Opto 22 (phone 800-321-6786 or email asinha@opto22.com).
Learn more about IO4AB:
Build your intelligent remote I/O
Choose a mounting rack: 4, 8, 12, or 16 slots
Choose a brain for remote I/O processing, including PID loop control:
- analog / serial / simple digital brain
- analog / serial / high-speed digital brain
Choose the I/O you need: analog, discrete (digital), serial
Choose an industrial Ethernet switch designed for your network.
Learn More about IO4AB
Questions? Call Pre-sales Engineering for answers: 800-321-6786 (toll-free in the U.S.) or 951-695-3000.
Pre-sales engineering is free.
Talk to a Pre-sales engineer:
800-321-6786
See how...watch the videos
Opto 22 Director of Training Alexi Beck Gray walks you step-by-step through using SNAP I/O with an A-B system.
Part 1—Configuring SNAP I/O, creating assembly instances, and bringing data into RSLogix.
Part 2—Using distributed discrete functions: counter, watchdog, fail state, and pulse train.
Part 3—Using distributed analog functions: scaling in engineering units, maximum values, and clamping.
Part 4—Configuring PID loops to run independently on the I/O; tuning PIDs graphically.
Try it Yourself

The SNAP IO4AB Learning Center includes everything you need to learn how to use SNAP I/O with A-B systems—rack, brain, I/O, configuration software, load panel, and step-by-step tutorial. Find out more.