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  • DC-TCF902 51307945-176
  • DC-TCF902 51307945-176-1
  • DC-TCF902 51307945-176-2
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DC-TCF902

DC-TCF902 Honeywell Experion PKS Module

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  • Manufacturer: Honeywell

  • Product No.: DC-TCF902

  • Product Type: I/O Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 680g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Overview

The Honeywell DC-TCF902 51307945-176 is a high-density Thermocouple Input and Digital I/O module engineered for industrial process control. It integrates directly with Honeywell TDC 3000 and Experion PKS Distributed Control Systems (DCS). This module provides direct interfacing for temperature sensors and discrete field devices, ensuring high-accuracy data processing and system reliability in demanding automation environments.

Key Technical Features

  • Dual-Redundant Architecture: Features a dual-redundant processor design to prevent system downtime and ensure continuous process monitoring.
  • Multi-Sensor Support: Interfaces natively with Thermocouple Types J, K, T, E, R, S, and B with onboard cold-junction compensation.
  • Versatile Protocol Integration: Supports industry-standard communication layers including Modbus, OPC, and Ethernet/IP.

Technical Specifications

Parameter Specification
Brand Honeywell
Model DC-TCF902
Part Number 51307945-176
I/O Configuration 16 Digital Inputs / 16 Digital Outputs
Power Supply 24 VDC nominal
Dimensions 170 x 71 x 140 mm (6.69 x 2.80 x 5.51 in)
Weight 0.68 kg (1.5 lbs)
Operating Temperature 0°C to 50°C (32°F to 122°F)

Installation & Field Guide

  • Shielding: Maintain at least 300 mm separation between thermocouple wiring and high-power AC lines to eliminate electrical noise.
  • Grounding: Terminate overall cable shields at a single point, preferably at the marshaling panel ground bar.
  • Clearance: Leave 50 mm of free space above and below the module housing inside the enclosure for proper ventilation.

Engineering Advantages

  • Robust Build: Industrial-grade housing withstands continuous thermal stress and harsh environment conditions.
  • Cost Efficient: Combines 16 input and 16 output points on a compact footprint to save valuable cabinet and slot space.
  • Legacy Migration: Enables seamless hardware replacements and hot-swaps between legacy and modern control platforms.

Technical FAQs

Q1: Can I mix different thermocouple types on adjacent channels?
A1: Yes. Channels are individually configurable via software to accept different curves natively without external components.

Q2: How fast does the module switch to the backup path during a fault?
A2: The dual-redundant system executes a bump-less transfer within milliseconds to prevent control loop interruptions.

Q3: What happens if a thermocouple wire breaks in the field?
A3: The module triggers an open-circuit fault, configured via software to fail safely upscale or downscale based on your plant guidelines.

🏷️ Tags: I/O Module

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