--- type: product schema_version: 1 stock_number: "84113-45" canonical_url: "https://www.artisantg.com/PLC/84113-45/Honeywell-621-9940C-Serial-I-O-Module" json_url: "https://www.artisantg.com/PLC/84113-45/Honeywell-621-9940C-Serial-I-O-Module.json" generated_at: "2026-11-07T12:58:05.140Z" last_updated: "2026-04-21T15:02:28.703-05:00" --- # Honeywell 621-9940C Serial I/O Module _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Honeywell - Model: 621-9940C - Condition: New From Surplus Stock - Price: $450.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 10 lb - Shipping dimensions: 18X12X8 in ## Categories - Military and Embedded Equipment > Embedded & Industrial > Other Modular (primary) - Industrial Systems Equipment > PLCs and Controllers > I/O Modules ## Images - - - - -