Programmable Automation Controller Daughterboard from Mexico
This expansion printed circuit assembly plugs into main PLC boards to add analog I/O channels and specialty communication protocols. It is classified under 8538.90.20 as a part suitable for use solely or principally with PLCs of heading 85.37.
Duty Rate — Mexico → Canada
0%
Import Tips
• Classify the daughterboard as a part of PLCs under heading 85.37, not as a separate controller
• Keep technical specifications showing its compatibility with specific PLC models
• Consider whether the goods qualify for preferential duty rates under free trade agreements