TC-ODK161 Honeywell Digital AC Output Module

Overview

The Honeywell TC-ODK161, also cataloged as the TC-ODK161 Digital AC Output Module, operates as a dedicated hardware component for AC load switching within Honeywell Experion PKS and C200 control system platforms.

Hardware Specifications

Channel Isolation and DCS Output Execution

The TC-ODK161 provides 16 independent AC output channels with individual electrical isolation between field points. Therefore, each output channel can control external AC devices while reducing the influence of field-side electrical disturbances on adjacent channels.

The module performs direct switching of AC field loads, including solenoid valves, relay coils, motor starters, and indication devices. Additionally, zero-crossing switching characteristics reduce switching noise and limit transient current during AC load activation.

For Honeywell process control applications, the module follows DCS output execution requirements with channel-to-channel isolation and controlled field signal separation. Although the module does not process analog instrumentation loops such as 4-20 mA HART, it maintains discrete output isolation for process equipment actuation.

Frequently Asked Questions

Q: Does the TC-ODK161 provide isolated output channels?
A: Yes. The module provides 16 individually isolated AC output channels with channel-to-channel and user-to-system isolation rated at 2546 VDC for 1 second.

Q: What backplane power does the TC-ODK161 require?
A: The module requires 0.300 A at 5 VDC and 0.002 A at 24 VDC from the system backplane.

Q: Can the TC-ODK161 switch high inrush AC loads?
A: Yes. Each output supports surge current up to 20 A for 43 ms with repeat operation limits defined by the module specifications.

Field Installation Guidelines

Install the TC-ODK161 inside the designated Honeywell control chassis using the approved mounting position and terminal interface.

Field wiring should maintain separation between AC output circuits and low-level signal wiring to reduce electrical interference. Connect field conductors according to the terminal block assignment and verify load voltage compatibility before energizing the module.

Use proper grounding practices for the control cabinet and ensure cable routing prevents unnecessary coupling between output wiring and communication or instrumentation cables.

Before commissioning, verify each output channel operation through the control system configuration and confirm that connected field devices respond according to the defined discrete output states.

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