Product Overview

The Honeywell 8C-TDODA1 (Part Number 51307149-175) is a high-density discrete output solution specifically engineered for the Experion PKS Series 8 I/O platform. This module provides 32 sourcing digital output channels, designed to drive 24VDC field loads with precision and reliability. As a "bussed" output module, it utilizes a common power distribution architecture to simplify wiring and reduce the footprint within the control cabinet. The 8C-TDODA1 is a cornerstone for Distributed Control Systems (DCS), offering a balance of high channel count and robust electrical protection, making it a preferred choice for large-scale industrial automation where non-redundant, high-availability control is required.

Hardware Architecture and Functional Parameters

The 8C-TDODA1 is defined by its rigorous electrical isolation and flexible fault-management logic, ensuring the safety of the central processor while managing diverse field elements.

• Channel Density 32 Sourcing Digital Output Channels

• Operating Voltage 24 VDC (Nominal)

• Current Capacity 100 mA per channel / 3.2 A total module load

• Galvanic Isolation 1000 VAC RMS (System-to-Field protection)

• Fault Management Configurable FAILOPT logic (Hold Last Value or Shed to Safe State)

• Hot-Swap Capability Supports RIUP (Removal and Insertion Under Power)

• Thermal Range 0°C to 60°C Operating | -40°C to 85°C Storage

• Chassis Compatibility Optimized for Series 8 I/O Termination Assemblies (IOTA)

• Physical Weight 0.4 kg

• Dimensions 7cm x 14cm x 14.5cm

Industrial Deployment and Control Applications

Designed for modern Manufacturing Execution Systems (MES) and complex process plants, the 8C-TDODA1 excels in managing high volumes of discrete field devices.

• High-Density Actuator Control Managing large arrays of solenoid valves, pilot lights, and interposing relays in chemical processing or water treatment facilities.

• Process Sequence Automation Providing the discrete triggers required for batch processing cycles and conveyor synchronization in automated manufacturing.

• Safety and Fault Signaling Utilizing per-channel FAILOPT settings to ensure that indicators and warning devices transition to a known "safe" state during a controller communication loss.

• Live System Maintenance Reducing downtime during hardware upgrades by leveraging RIUP technology, allowing technicians to replace modules without powering down the entire I/O rack.

• Complex Interface Isolation Protecting sensitive DCS logic from field-side electrical surges and ground loops via its 1000 VAC RMS galvanic isolation barrier