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Honeywell TC-ODK161 Digital AC Output Module

Configured for discrete output switching in industrial I/O rack assemblies, the Honeywell TC-ODK161 (TC-ODK161 Digital AC Output Module) provides direct physical/electrical execution of 120/220 VAC load control across distributed control backplane architectures.

Suffix Breakdown & Model Matrix

No structured suffix decomposition is defined for TC-ODK161. The designation is treated as a fixed-order catalog identifier without documented hierarchical segmentation.

Hardware Specifications

Parameter	Specification
Model	TC-ODK161
Brand	Honeywell
Origin	USA (Ships from Webster, NY, USA)
Weight	0.26 kg (approx. 0 lbs 8.0 oz)
Dimensions	3.5 x 14.2 x 14.5 cm (shipping envelope)
Operating Temp	Not specified (system-dependent enclosure rating)
Power Consumption	Backplane powered; DC input 24 VDC isolated (as stated)
Output Type	Digital AC output
Channel Count	16 points
Output Voltage	120 / 220 VAC
Frequency	50 / 60 Hz
Output Current	2 A per channel
Status	Discontinued by manufacturer

Honeywell Process I/O Electrical Isolation Characteristics

Within Honeywell distributed I/O architectures, channel-to-channel electrical separation is implemented to reduce cross-conduction between output drivers under mixed AC load conditions. Backplane interfacing typically supports isolated 24 VDC logic supply domains, maintaining separation between field switching elements and controller-level communication buses. In legacy module families such as TC-ODK series, output staging is aligned with deterministic scan cycles rather than analog loop protocols such as 4-20 mA HART, while still maintaining structured isolation boundaries consistent with process control rack design practices.

Frequently Asked Questions (FAQ)

Q: Is the TC-ODK161 hot-swappable within a powered rack backplane?
A: Hot-swap capability is not explicitly defined for this module. In standard implementations of similar Honeywell I/O systems, insertion and removal are typically performed under de-energized rack conditions unless the backplane architecture explicitly supports live replacement.

Q: What is the backplane power requirement for logic operation?
A: The module references a 24 VDC isolated supply domain for internal logic and driver control, with field switching handled separately at AC output stages.

Q: Can mixed 120 VAC and 220 VAC loads be used simultaneously?
A: Yes, channel groups are designed to switch AC loads within the rated voltage envelope, provided current per channel does not exceed 2 A and wiring segregation standards are maintained.

Field Installation Guidelines

The TC-ODK161 shall be installed in a compatible Honeywell rack-based I/O chassis with verified backplane alignment. Ensure all field wiring is rated for 220 VAC insulation class where applicable. Maintain separation between AC output wiring harnesses and low-voltage control lines to prevent capacitive coupling. Terminal torque specifications should follow chassis-level installation standards. Shield termination, where applicable, shall be bonded to chassis ground at a single point to avoid ground loop formation. Module seating must be fully engaged to backplane connectors to ensure stable channel addressing across all 16 output points.

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