Product Introduction

The Honeywell DC‑TPOX01 is a high‑performance PROFIBUS controller or interface module tailored for integration with Honeywell’s Experion® and SC (Safety / Control) systems. It acts as a bridge between the control rack and PROFIBUS DP / PA field devices, enabling robust, deterministic communication across the network. The DC‑TPOX01 is intended for real‑time process control environments requiring efficient and reliable fieldbus connectivity.

Operating with a 24 V DC supply and consuming around 300 mA, the DC‑TPOX01 supports typical industrial communication loads while maintaining low power draw. Its mechanical form is designed for DIN‑rail mounting within a standard I/O rack, with compatible dimensions that align with existing Honeywell I/O infrastructure. Its industrial temperature range (–20 °C to +60 °C) ensures dependable performance in harsh environments. The model carries CE and UL compliance markings, ensuring suitability for global industrial deployments.

Within a control architecture, DC‑TPOX01 maps controller-level signals to PROFIBUS, allowing field instrumentation such as sensors, actuators and remote nodes to be seamlessly integrated. The module supports PROFIBUS DP for high-speed segment communication and can also interface to PROFIBUS PA (intrinsically safe) in hazardous-area installations, enabling safe and flexible process control in petrochemical, refining, and utility systems.

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Description

Detailed Parameter Table

Parameter name	Parameter value
Product model	DC‑TPOX01
Manufacturer	Honeywell
Product category	PROFIBUS / fieldbus interface module
Part number / variant	51307770‑176
Input voltage	24 V DC
Current consumption	~ 300 mA
Power consumption	~ 7.2 W
Data interface	PROFIBUS DP / PROFIBUS PA compatible
Operating temperature	–20 °C to +60 °C
Mounting method	DIN‑rail mount in I/O rack
Weight / dimensions	~1.5 kg, 140 × 100 × 40 mm
Certifications / compliance	CE, UL listed, industrial network standards

Core Advantages and Technical Highlights

Reliable network integration:
DC‑TPOX01 offers native PROFIBUS support, enabling Honeywell DCS or SC systems to communicate directly with field devices through a standard protocol that many instrumentation vendors support.

Optimized power and signal design:
Operating at 24 V DC and consuming moderate current, this module is efficient for installation in control cabinets without causing undue power burden on the control bus.

Industrial robustness:
Designed to operate across –20 °C to +60 °C, DC‑TPOX01 withstands a wide temperature range, making it suitable for installations in both climate-controlled and ambient-exposed locations.

DIN-rail rack compatibility:
Its physical form factor aligns with Honeywell’s I/O rack systems, facilitating plug-and-play installation and minimal rework when integrating or retrofitting fieldbus capabilities.

Support for hazardous environments:
With PROFIBUS PA compatibility, the DC‑TPOX01 can be part of intrinsically safe loops in Zone 0/1 or explosive atmospheres when properly certified and installed, making it suitable for petrochemical, gas processing and similar sectors.

Diagnostic visibility:
The module includes status LEDs and diagnostic feedback to the host controller, enabling fault detection, network monitoring and proactive maintenance.

Future-proof fieldbus infrastructure:
By adopting DC‑TPOX01 in control systems, users can migrate or expand fieldbus networks without reengineering base I/O architecture, preserving long-term investment and adaptability.

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