Honeywell CC-TDOR01 51308376-175 Digital Output Relay

Technical Overview

The Honeywell CC-TDOR01 (part number 51308376-175) is a digital output relay IOTA module engineered for the Experion PKS distributed control system and C300 controller platform . This module provides reliable relay outputs for controlling field devices such as solenoid valves, motor starters, actuators, and alarm annunciators . It is part of Honeywell’s Series C I/O family and features an IOTA-based termination assembly design .

Technical Specifications

Parameter	Specification
Manufacturer	Honeywell
Model Number	CC-TDOR01
Part Number	51308376-175
Product Type	Digital Output Relay IOTA Module
System Compatibility	Experion PKS, C300 Controller, TDC 3000
Output Channels	32 relay outputs (available configurations vary)
Relay Type	Form C (SPDT) electromechanical relay
Contact Rating	2A @ 30V DC / 250V AC
Isolation Voltage	1500V AC (channel-to-bus)
Power Supply	24 VDC nominal
Power Consumption	≤15W typical
Operating Temperature	0°C to +60°C (up to -40°C for variants)
Storage Temperature	-40°C to +85°C
Mounting	DIN rail compatible, Series C IOTA baseplate
Weight	0.2 – 0.6 kg
Certifications	CE, UL, CSA, FM, ATEX
Country of Origin	USA

Key Features

High-Density Relay Architecture – The module offers up to 32 independent relay outputs in a compact form factor, maximizing cabinet space efficiency and reducing overall system costs . Each output provides an electromechanical Form C relay contact .

Hot-Swap Capability – Users can replace the module during operation without powering down the system, thereby minimizing process interruption and reducing maintenance downtime .

Robust Channel Isolation – The module provides 1500V AC isolation between output channels and the system bus, effectively protecting the control electronics from field-side electrical noise and voltage transients .

Visual Status Indication – Per-channel LED indicators display the ON-OFF status of each relay output, simplifying troubleshooting and reducing diagnostic time .

Industrial-Grade Reliability – The module’s electromechanical relays deliver reliable performance across a wide operating temperature range from 0°C to +60°C, and the design supports 24/7 operation in harsh industrial environments .

Redundancy Support – The module works with redundant IOTA configurations for enhanced system availability in critical applications requiring uninterrupted control .

Applications

The Honeywell CC-TDOR01 51308376-175 excels in oil and gas refineries, chemical processing plants, power generation facilities, and pharmaceutical manufacturing environments. It provides reliable output control for solenoid valves, motor starters, contactors, and alarm annunciation systems within Experion PKS-based distributed control architectures .