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Honeywell TC-ODJ161 24 VDC Digital Output Module

The Honeywell TC-ODJ161, also cataloged as the TC-ODJ161 24 VDC Digital Output Module, operates as a dedicated hardware component for discrete signal execution within Honeywell Experion I/O architectures. The module provides 16 isolated output channels for controlling external DC field loads through industrial control commands.

Hardware Specifications

Parameter	Specification
Model	TC-ODJ161
Brand	Honeywell
Product Type	24 VDC Digital Output Module
Module Function	Isolated Discrete Output Interface
Origin	USA
Weight	Approx. 0.33 kg
Dimensions	Not specified
Operating Temp	30 deg C full load reference; 60 deg C reduced load condition
Power Consumption	4.7 W max
Number of Output Points	16 individually isolated channels
Output Voltage Range	10 to 30 VDC
Nominal Output Voltage	24 VDC
Output Current per Point	2.0 A max at 30 deg C; 1.0 A max at 60 deg C
Maximum Module Output Current	8.0 A max at 30 deg C; 4.0 A max at 60 deg C
Surge Current Capability	4 A for 10 ms, repeatable every 2 seconds
Minimum On-State Current	1.0 mA per output
Maximum On-State Voltage Drop	1.2 VDC at 2.0 A
Maximum Off-State Leakage Current	0.5 mA per point
Output Signal Delay	Off to On: 1.0 ms max; On to Off: 2.0 ms max
Isolation Voltage	1500 VAC RMS output to backplane
Terminal Block Type	TC-TBCH 36-position terminal block
Installation Type	Honeywell control rack and I/O subsystem mounting

Channel Isolation and Process Control Interface

The TC-ODJ161 uses channel-to-channel isolation to separate field output circuits from the control backplane. This electrical design limits interference transfer between connected loads and supports direct switching of 24 VDC devices.

Moreover, Honeywell I/O modules within Experion architectures commonly integrate with process control signal paths including 4-20 mA HART loop protocol, FOUNDATION Fieldbus, and Profibus PA interfaces through dedicated I/O modules. The TC-ODJ161 performs discrete output execution rather than analog measurement or fieldbus signal processing.

Frequently Asked Questions

Q: How many discrete output channels are available on the TC-ODJ161?
A: The module provides 16 individually isolated 24 VDC discrete output channels.

Q: What is the maximum output current capability of each channel?
A: Each output channel supports up to 2.0 A at 30 deg C and 1.0 A at 60 deg C operating conditions.

Q: What isolation rating is provided between the output circuits and backplane?
A: The module provides 1500 VAC RMS isolation between the output side and the control backplane.

Field Installation Guidelines

• Install the TC-ODJ161 in the designated Honeywell I/O rack position according to system configuration requirements.
• Use the specified TC-TBCH terminal block for field wiring connections.
• Verify external load current requirements before connecting field devices.
• Maintain correct DC polarity during field cable termination.
• Separate high-current switching wiring from low-level signal cables to reduce electrical interference.
• Confirm module status indicators and controller configuration after installation.

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