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Description

The Honeywell CC-TDIL01 (51308386-175) is a high-density digital input module designed for integration within Honeywell DCS environments. This module provides reliable signal acquisition for industrial control applications, supporting 32 discrete input channels. It utilizes optical isolation within the I/O module (IOM) to ensure signal integrity and protection against electrical noise. Although this specific model has been discontinued by the manufacturer, it remains a critical component for maintaining legacy control systems.

Features

  • 32-channel digital input capacity.
  • Optical isolation integrated directly into the IOM for enhanced noise immunity.
  • Designed for standard 24 VDC industrial control loops.
  • Compatible with Honeywell DCS architectures.
  • Robust sensing thresholds for reliable status determination (ON/OFF).

Technical Specifications

Model CC-TDIL01 (51308386-175)
Input Channels 32
Input Voltage Range 18 to 30 VDC
ON Sense Threshold 13 VDC (min) or 3 mA (min)
OFF Sense Threshold 5 VDC (max) or 1.2 mA (max)
Input Delay 5 ms ± 20% (Absolute delay across filter and isolation)
Isolation Optical (in IOM)

Installation Guidelines

  • Ensure the control system is powered down before attempting to install or remove the module from the rack.
  • Handle the module using proper ESD (Electrostatic Discharge) precautions to prevent damage to sensitive internal components.
  • Verify that the field wiring conforms to the voltage and current ratings specified in the technical data.
  • Ensure proper grounding of the I/O rack to minimize EMI (Electromagnetic Interference) effects on the input signals.
  • Check for secure seating in the backplane to ensure reliable communication with the controller.

FAQ

What is the primary function of the CC-TDIL01?
This module is a digital input board used to interface field-side discrete signals with the Honeywell DCS, allowing the system to monitor the status of 32 individual field devices.

Is this module still in production?
No, the Honeywell CC-TDIL01 is currently discontinued by the manufacturer. We provide these units as spare parts to support the continued operation of existing installations.

What is the isolation method used?
The module employs optical isolation within the IOM to provide a barrier between the field inputs and the internal DCS circuitry.

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