Description

Honeywell CC‑TCNT01 C300 Controller IOTA Termination Assembly

Technical Specifications

• Product Model: CC‑TCNT01
• Brand: Honeywell Experion PKS C300 DCS System
• Warranty: One Year
• Input Voltage: 24 VDC (18‑30 VDC), powered from C300 controller backplane
• Operating Temperature: 0 °C ~ +60 °C cabinet‑mount
• Storage Temperature: ‑40 °C ~ +85 °C
• Response Time: Signal transmission latency＜1 ms for controller‑fieldbus interface
• Protection Class: IP20, board‑style assembly for cabinet‑only installation
• Isolation Rating: 2500 VAC galvanic isolation between field wiring and controller electronics
• Communication Ports: Dual RJ45 Ethernet for ControlNet / redundant control network; auxiliary sync port; field termination connectors
• Rated Current: Module typical consumption 3.5 W
• Diagnostics: On‑board LED indicators for power, network link and fault status
• Mechanical: Matches C300 controller rack slot form‑factor
• Dimensions / Weight: 120 mm × 80 mm × 40 mm; approx 1.0 kg

Product Overview

The CC‑TCNT01 is the I/O Termination Assembly (IOTA) hardware for Honeywell Experion PKS C300 controller. It serves as the physical wiring interface between the C300 control module and field control network, distributing power, routing redundant communication links and providing electrical isolation to protect the controller from field‑side voltage transients and ground‑loop noise. Dual Ethernet ports support redundant ControlNet communication to guarantee continuous data exchange for critical process control loops. Status LED indicators allow quick visual inspection of power supply and network health, speeding up on‑site troubleshooting in oil‑gas, chemical and power‑plant heavy‑EMI cabinet environments. This termination unit is mandatory pairing component for C300 controller hardware set.

This IOTA assembly addresses DCS controller interface challenges: robust galvanic isolation for field‑circuit protection, redundant network path support, standardized rack‑mount form‑factor, drop‑in spare‑part compatibility for legacy Experion PKS C300 retrofit‑maintenance projects. Process‑control automation engineers, petrochemical‑plant maintenance technicians and retrofit integrators benefit most. Typical applications: refinery DCS control cabinets, chemical‑plant critical‑loop control, power‑plant auxiliary process control systems.

Key Application Notes

‑Termination assembly unit; cannot operate standalone. Must be paired with Honeywell C300 controller module and Experion PKS engineering tool for system configuration. ‑CC‑TCNT01 is dedicated IOTA variant for C300 controller; cannot cross‑use with other Honeywell IOTA series. ‑Not hot‑swap capable: Fully de‑energize rack 24 VDC power before removing or installing the IOTA board. ‑Lifecycle status: OEM production discontinued; aftermarket surplus/refurbished spare parts are widely used for legacy Experion PKS system maintenance.