Honeywell TC-CCN012 Redundant Net Interface Module

Technical Specifications Overview

The table below details the core technical parameters of this redundant net interface module.

Parameter	Specification
Model Number	TC-CCN012
Product Type	Redundant Net Interface Module
Compatible System	Honeywell Experion PKS Series
Network Interface	2 x ControlNet (coaxial)
Connector Type	BNC (RG-6 coax, 75 Ω)
Data Transfer Rate	5 Mbps (ControlNet standard)
Redundancy Support	Dual-media automatic failover
Maximum Cable Length	1,000 meters (per segment)
Maximum Nodes	99 nodes per network
Network Protocol	ControlNet (CIP)
Scheduled Data Transfer	1,024 bytes (max per connection)
Unscheduled Data Transfer	512 bytes (max per connection)
Internal Power Draw	5 VDC, 450 mA
Dimensions (W x H x D)	45 mm x 130 mm x 120 mm
Weight	0.27 kg
Indicators	6 LEDs (Network A/B, Status, Fault)
Operating Temperature	0°C to +60°C

Dual-Path Control Network for Critical Process

The TC-CCN012 redundant net interface module provides fault-tolerant ControlNet connectivity for Honeywell Experion PKS systems. This redundant net interface module features two independent coaxial ports, enabling simultaneous connection to primary and secondary network paths. The module automatically switches between networks upon detecting link failures, maintaining uninterrupted communication with remote I/O and controllers.

The module supports the ControlNet protocol running at 5 Mbps over RG-6 coaxial cable. Each network segment reaches up to 1,000 meters, accommodating large distributed control system layouts. The TC-CCN012 supports up to 99 nodes per network, making it suitable for extensive process automation installations.

Deterministic Communication and Data Handling

This redundant net interface module supports both scheduled and unscheduled data transfers over the ControlNet network. The TC-CCN012 handles scheduled data transfers of up to 1,024 bytes per connection, ensuring deterministic I/O updates for time-critical applications. Unscheduled data transfers of 512 bytes per connection accommodate messaging, configuration, and diagnostic communications without impacting scheduled traffic.

The module manages all network protocol processing independently, offloading the main controller for better overall system performance. This dedicated processing ensures reliable data exchange even under heavy network loads.

Comprehensive Status Monitoring and Diagnostics

This redundant net interface module includes extensive diagnostic features for proactive network health monitoring. The TC-CCN012 continuously checks cable integrity, signal quality, and network traffic patterns. Six front-panel LEDs provide immediate visual status: separate green LEDs for Network A and B activity, amber/green LEDs for module status, and red FAULT LEDs for error conditions.

These indicators enable rapid troubleshooting of network issues without requiring diagnostic software. The module supports remote diagnostics through the Experion system, allowing operators to monitor network health from the control room.

Physical Design and Installation

This redundant net interface module occupies a single slot in the Experion 13-slot chassis and measures 45 mm in width. The module weighs 0.27 kg, making handling straightforward during installation and replacement. Two BNC connectors on the front panel provide the physical interface for the RG-6 coaxial cables.

The TC-CCN012 requires no external power connections, drawing all necessary power from the 5 VDC backplane. The module operates reliably across a temperature range of 0°C to +60°C and withstands humidity from 5% to 95% (non-condensing).