Honeywell TC-ODK161 | 16-Channel Digital AC Output Module

Product Overview

The Honeywell TC-ODK161 provides reliable digital AC output capabilities for industrial control systems. This module delivers sixteen isolated output channels for direct actuator and relay control. Engineers will appreciate its compact design and robust construction for demanding automation environments. We designed this module to simplify integration with existing Honeywell distributed control systems (DCS). Its plug-in terminal blocks enable quick installation and straightforward maintenance procedures. This output module ensures stable performance across a wide range of industrial applications.

Technical Specifications

Parameter	Specification
Output Channels	16 isolated digital AC outputs
Output Voltage Range	100–240 VAC
Output Current per Channel	2.0 A (continuous)
Inrush Current Capability	30 A for one cycle
Isolation Voltage	2500 VAC (channel-to-channel and channel-to-ground)
Response Time (On/Off)	≤1 ms / ≤5 ms
Power Supply Requirement	24 VDC ±20%
Power Consumption	≤12 W
Operating Temperature	0°C to +60°C
Storage Temperature	–40°C to +85°C
Dimensions (W x H x D)	120 mm x 40 mm x 150 mm
Weight	0.45 kg
Terminal Type	Removable plug-in screw terminals
Status Indication	Individual green LEDs per channel
Diagnostic Features	Open-wire detection and short-circuit protection

Key Technical Features

Each output channel on the TC-ODK161 includes independent opto-isolation for enhanced noise immunity. The module handles continuous load currents up to 2.0 amperes per channel without active cooling. Its total power dissipation remains below 12 watts under full load conditions. The built-in surge suppression circuitry protects connected field devices from voltage transients. Individual green LEDs provide immediate visual confirmation of each output state. The module also supports open-wire detection for troubleshooting wiring faults quickly.

Mechanical Design and Interface

The housing measures 120 millimeters in width and 150 millimeters in depth. This compact footprint saves valuable space inside crowded control cabinets. The module weighs approximately 0.45 kilograms for easy handling during installation. Removable plug-in terminal blocks accept wire gauges from 0.5 mm² to 2.5 mm². The front-facing connector layout simplifies wiring and reduces installation time significantly. A 24-pin ribbon cable connects the module to the system backplane for data and power transfer.

Energy Storage and Power Management

The TC-ODK161 integrates internal filtering capacitors that store 470 µF of energy per channel. This energy storage ensures stable output during brief AC line voltage sags. The module automatically resets after a power interruption without manual intervention. Its inrush current limiting design prevents nuisance tripping of upstream circuit breakers.

Diagnostics and Status Monitoring

Diagnostic routines run continuously to monitor output health and load conditions. The module reports overcurrent conditions and open-load faults through the system interface. Each channel includes thermal shutdown protection for overtemperature events. A global fault LED illuminates when the module detects any critical error. Users can access detailed status information through the Honeywell control software.