The Honeywell CC-TDI220 51308394-275 is a high-performance Digital Input Module designed for integration within the Honeywell Experion Process Knowledge System (PKS) and C300 controller architecture. This module serves as a critical component for reading discrete input signals from various field devices, such as limit switches, pushbuttons, sensors, and relays.

Engineered for reliability, scalability, and long-term industrial use, the CC-TDI220 is compliant with industry-grade standards for signal isolation, surge protection, and real-time diagnostics, ensuring dependable operation even in the most demanding automation environments.

Key Features

• Supports 24 digital input channels, ideal for scalable input processing

• Non-polarized input sensing, accepting both sourcing and sinking signals

• Optical isolation between field and logic levels for enhanced safety

• Field disconnect functionality for hot swapping during maintenance

• Real-time diagnostics and fault detection

• Failsafe operation with configurable default states

• Seamless integration with Honeywell’s Experion PKS and C300 systems

Technical Specifications

Industry Applications

The Honeywell CC-TDI220 is suitable for various sectors and applications that require robust digital input processing, including:

• Oil & Gas – Wellhead control, pipeline monitoring, valve status input

• Petrochemical and Refining – Motor starters, limit switch inputs, critical alarms

• Power Generation – Turbine monitoring systems, switchgear input reading

• Pharmaceuticals – Discrete condition feedback from packaging machinery

• Water & Wastewater – Pump and level switch status monitoring

• Manufacturing – Automated equipment interfacing, safety interlock feedback

• Food & Beverage – Input monitoring for high-speed machinery

Product Advantages

• Modular Design: Easily scalable to support growing I/O needs without system overhaul.

• High Channel Density: Reduces cabinet space requirements and wiring complexity.

• Built-in Diagnostics: Simplifies troubleshooting and reduces maintenance time.

• Field Replaceable: Enables hot-swapping during operation without shutting down the system.

• Extended Compatibility: Fully interoperable with legacy and modern Honeywell controllers.

• Enhanced Safety: Optical isolation and fault detection prevent system damage from field issues.

• Long Lifecycle Support: Backed by Honeywell’s industrial automation ecosystem and long-term roadmap.

Frequently Asked Questions (FAQ)

1. Q: What is the function of the CC-TDI220 module?

   A: It reads and processes 24-channel discrete digital input signals from field devices into the control system.

2. Q: Is the module hot-swappable?

   A: Yes, the CC-TDI220 supports field replacement without shutting down the system.

3. Q: What type of digital signals does it support?

   A: It supports standard 24VDC digital signals from dry contact or electronic sources.

4. Q: Can this module detect open or short circuits?

   A: Yes, it has built-in diagnostics for open, shorted, or stuck-on input conditions.

5. Q: Is this module suitable for use in hazardous environments?

   A: When used with the appropriate base and system, it meets ATEX and other industrial certifications.

6. Q: What system is this module compatible with?

   A: It integrates seamlessly with Honeywell’s C300 controller and Experion PKS.

7. Q: How many modules can I install in one node?

   A: It depends on the I/O chassis, but up to 16 I/O modules can typically be supported per Universal I/O rack.

8. Q: What is the maximum cable length to field devices?

   A: Typically up to 300 meters (984 ft), depending on signal quality and wire gauge.

9. Q: What kind of maintenance does the CC-TDI220 require?

   A: Minimal. Routine diagnostic review and occasional firmware updates if applicable.

10. Q: How does this module enhance safety?

    A: With signal isolation and fault detection features, it prevents system failures due to wiring or device faults.