The Honeywell TK-IOLI01 I/O Link Module 51403427-275 is an I/O Link Interface Module designed for advanced climate control in heating and cooling applications. It supports configurations of up to 4 heat and 2 cool stages in heat pump systems, or 3 heat and 2 cool stages in conventional systems, offering broad compatibility across gas, oil, electric, and steam-based HVAC systems.

This Honeywell TK-IOLI01 51403427-275 PLC Module features universal IAQ contacts for integrated control of humidification, ventilation, and dehumidification, contributing to improved indoor air quality. The 51403427-275  I/O Lim Assembly Module TK-IOLI01 Honeywell also includes four sensor inputs for wired sensors or dry contact devices, allowing flexible integration with various accessories and peripherals.

With an input voltage of 24V DC ±10% and surge protection rated at ±4 kV, the I/O MODULE Honeywell TK-IOLI01 51403427-275 ensures reliable operation in electrically noisy environments. Its 1500V AC isolation further enhances durability and system safety. The module is designed for vertical mounting and measures 9 5/16" H x 4 13/16" W x 1 5/8" D, weighing only 0.4 kg.

Ideal for residential and light commercial HVAC systems, the TK-IOLI01 51403427-275 Honeywell REV C I/O LINK INTERFACE MODULE provides a versatile and robust solution for multi-stage temperature and air quality management. Its comprehensive functionality makes it a critical component in modern energy-efficient and comfort-oriented building automation systems.