TK-IOLL01 HONEYWELL I/O LIM Link Interface Module Product Description The Honeywell TK-IOLI01 is an I/O Link Interface Module (often referred to as “IOLIM” in Honeywell literature) used in industrial control/automation systems, particularly in conjunction with Honeywell’s Experion / C200 / C300 / Series C / Series 8 platforms. It acts as a communication gateway/interface between the supervisory controller chassis (e.g., the C200/C300) and the I/O subsystem (PM I/O modules