Description

The HONEYWELL CC-TDOB01 51308371-175 is a high-reliability, dual-channel isolated digital output module designed for Honeywell’s Experion® PKS ControlEdge™ platform. Engineered for critical actuation control in safety instrumented systems (SIS), this module delivers SIL 2-certified performance per IEC 61508 standards. The CC-TDOB01 features independent 24V DC outputs with 1500V optical isolation between channels and backplane, preventing ground loops and ensuring signal integrity in electrically noisy industrial environments. Its hot-swappable architecture enables maintenance without process interruption, while integrated diagnostics monitor load current, short circuits, and open wire conditions in real-time.

As part of Honeywell’s next-generation I/O family, the 51308371-175 hardware revision offers enhanced thermal management (-40°C to +70°C operation) and surge protection for demanding applications. The module communicates via FOUNDATION Fieldbus H1 or Ethernet I/O with Experion® C300 controllers, supporting configurable pulse output, output forcing, and fail-safe states. With each channel capable of driving 0.5A inductive loads, the HONEYWELL CC-TDOB01 51308371-175 provides robust control for emergency shutdown valves, motor starters, and fire suppression systems.

HONWYWELL CC-TDOB01 51308371-175

Technical Specifications

Parameter Name	Parameter Value
Product Model	HONEYWELL CC-TDOB01 51308371-175
Manufacturer	Honeywell
Product Type	Isolated Digital Output Module
Output Channels	2 (Independently Isolated)
Output Type	24V DC Sourcing (High-Side)
Max Load Current	0.5A per Channel (Continuous)
Isolation Voltage	1500V AC (Channel-Channel/Channel-Backplane)
Switching Time	≤ 1 ms (On/Off)
Power Consumption	1.8W (Typical)
Operating Temperature	-40°C to +70°C
Communication	FOUNDATION Fieldbus H1/Ethernet I/O
Safety Certification	SIL 2 (IEC 61508), Cat 3 (EN 954-1)
Hot-Swap Support	Yes
Connection	Removable Spring Terminal
Fault Diagnostics	Short Circuit, Open Load, Over-temperature

Main Features and Advantages

Safety-critical performance: The HONEYWELL CC-TDOB01 51308371-175 exceeds industry safety requirements with <1 ms de-energization time for emergency actions. Each channel incorporates solid-state MOSFET switching with active current limiting (0.75A peak), protecting against solenoid inrush currents. The 51308371-175 variant adds reinforced isolation barriers and 4kV ESD protection for hazardous areas.

Advanced diagnostics: Real-time channel monitoring detects open loads (>5 mA threshold) and short circuits (<0.1V output). Faults trigger controller alerts via FOUNDATION Fieldbus and illuminate per-channel LED indicators. Configurable fail-safe states (hold/last/off) ensure predictable behavior during communication loss.

Operational resilience: Hot-swap capability allows replacement without system shutdown. The extended temperature range (-40°C to +70°C) supports arctic pipelines and desert installations. Backplane isolation prevents single-point failures from propagating, while ControlEdge™ Studio software enables output forcing for commissioning.

Application Field

The HONEYWELL CC-TDOB01 51308371-175 is indispensable in process safety scenarios. In oil & gas, it commands ESD valves for wellhead control and turbine shutdowns, with SIL 2 compliance meeting IEC 61511 standards. Power plants utilize it for boiler purge interlocks and fuel valve sequencing in burner management systems.

For chemical processing, the module actuates reactor cooling solenoids during temperature excursions and controls fire dampers in VOC handling areas. Water treatment facilities deploy it for chlorine injection valve control, leveraging its corrosion-resistant terminals. The CC-TDOB01’s millisecond response is critical for conveyor emergency stops in mining and metal processing.

Related Products

CC-PDOR01: Redundant digital output module for SIL 3 applications

CC-TDOX01: Digital output with relay contacts (250V AC)

51308371-150: Standard temperature variant (-25°C to +70°C)

CC-FIM01: Fieldbus interface module for C300 integration

CC-TAOB01: Analog output module for valve positioning

Experion® C300: Controller for CC-TDOB01 integration

CC-TDIL51: Complementary digital input module for ESD systems

HONWYWELL CC-TDOB01 51308371-175

Installation and Maintenance

Pre-installation preparation: Verify load compatibility (max 0.5A inductive) and install external fusing per local codes. Configure fail-safe states in ControlEdge™ Studio before DIN rail mounting. Use 14-22 AWG wiring with 600V insulation rating for output circuits.

Maintenance recommendations: Perform quarterly load current verification via controller diagnostics. Check spring terminal integrity during shutdowns (recommended 0.6 N·m retention force). Replace modules showing persistent fault LEDs, utilizing automatic module replacement (AMR) for configuration retention.