Product Comparisons and Compatibility

Find development tools and communication protocols to use with Opto 22 products.
[web page] Communication Tools and Protocols for Opto 22 Products
[pdf] Communication Tools & Protocols for Opto 22 Products Technical Note​ 

​PAC Project Automation Software Suite: Is the free Basic version all you need?

Choose your controller: SoftPAC software controller, S‑series standalone PAC, or R‑series rack-mounted PAC

[web page] Chart: Compare all SNAP PAC controllers 
[pdf] Chart: Compare all SNAP PAC controllers 
[pdf] Compare memory usage in SNAP PAC S‑series and R‑series controllers 

SNAP PAC controllers and brains do some of the same things. Which is best for your application?

[web page] Chart: Compare SNAP PAC controllers and brains 
[pdf] Chart: Compare SNAP PAC controllers and brains 

SNAP digital I/O modules have 4, 16, or 32 channels. How do they differ?

[web page] Compare 4-channel and high-density digital I/O modules 
[pdf] Compare 4-channel and high-density digital I/O modules