Product Overview

The Honeywell DC-TDOD61 is a high-density, discrete output solution engineered for the Experion PKS Series C architecture. This module provides 32 high-speed, source-type digital output channels, functioning as the critical interface between the C300 controller logic and field-side actuators. Designed for high-availability industrial environments, the DC-TDOD61 supports redundant configurations through its specialized Input/Output Termination Assembly (IOTA) base. This ensures that in the event of a primary module failure, the backup unit assumes control without any interruption or delay in the output signal, maintaining the stability of the industrial process and preventing costly downtime.

Hardware Constants and Performance Parameters

• Model Number DC-TDOD61

• Channel Count 32 Discrete Output Channels

• Output Type Sourcing (Current Sourcing)

• Nominal Signal Voltage 24V DC

• Switching Response < 10ms (Turn-on/Turn-off time)

• Isolation Rating 1000 VAC RMS (Galvanic isolation system-to-field)

• Channel Current Load Up to 100 mA per point

• Leakage Performance Minimal off-state leakage for reliable relay/solenoid de-energization

• Mounting Infrastructure Redundant IOTA base compatible

• Net Mass 0.4 kg

• Origin USA

Industrial Control Applications

The DC-TDOD61 is specifically optimized for high-speed switching tasks and critical command execution where signal integrity and redundancy are paramount.

• Solenoid Valve Actuation Controlling liquid and gas flow valves in chemical processing plants where millisecond response times are essential for process safety.

• Pilot Relay Interfacing Driving interposing relays for motor starters and heavy-duty contactors in power generation and distribution facilities.

• Redundant Command Loops Serving as the primary digital output for safety-related interlocks in oil and gas refineries that require zero-delay failover during hardware switchovers.

• Sequence of Events (SOE) Logic Implementing complex high-speed logic sequences in automated packaging or material handling systems where precise timing prevents mechanical interference.

• Distributed I/O Networking Integrating into large-scale DCS architectures to provide decentralized control of discrete indicators, alarms, and field-side status beacons.