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Honeywell TC-TCNH ControlNet Interface Module

The Honeywell TC-TCNH, also cataloged as the TC-TCNH ControlNet Interface Module, operates as a dedicated hardware component for deterministic ControlNet communication between Experion PKS controller chassis and distributed I/O network devices.

Hardware Specifications

Parameter	Specification
Model	TC-TCNH
Brand	Honeywell
Origin	USA
Module Type	ControlNet Interface Module / Network Bridge
Compatible System	Honeywell Experion PKS C200/C300 Controller Chassis
Communication Protocol	ControlNet
Network Data Rate	5 Mbps
Network Topology	Trunk line / Drop line with redundant media support
Connector Type	BNC connectors, Channel A and Channel B
Current Consumption	Approx. 850 mA at 5.1 VDC
Power Consumption	Max. 4.4 W
Dimensions	Single chassis slot module format
Weight	Not specified
Operating Temp	0 deg C to 60 deg C
Storage Temp	-40 deg C to 85 deg C
Relative Humidity	5% to 95%, non-condensing

HART and Process Network Communication Characteristics

The Honeywell TC-TCNH performs ControlNet network interface functions within the Experion PKS control architecture. The module transfers controller data and I/O communication packets through deterministic scheduling mechanisms defined by the ControlNet protocol.

The module supports redundant ControlNet media through dual communication channels. Channel separation allows network availability configurations where two physical communication paths are installed between connected nodes.

For Honeywell process control environments, network modules within the Experion PKS platform maintain communication consistency with field-level devices and controller resources. Process signal interfaces such as 4-20 mA HART loop protocol, FOUNDATION Fieldbus, or Profibus PA connectivity are handled through dedicated field interface modules rather than the TC-TCNH itself.

Channel-to-channel isolation and controlled network communication timing depend on the complete chassis configuration and connected I/O architecture.

Frequently Asked Questions

Q: Does the TC-TCNH support redundant ControlNet communication paths?
A: Yes. The module provides dual ControlNet channels for redundant media configurations. Network redundancy depends on the installed cable infrastructure and connected ControlNet devices.

Q: Can the TC-TCNH be installed in any Experion PKS chassis slot?
A: The module uses a standard single-slot chassis position. Slot compatibility depends on the specific Experion PKS controller chassis configuration.

Q: What power load does the TC-TCNH place on the chassis backplane?
A: The module requires approximately 850 mA at 5.1 VDC with a maximum power dissipation of 4.4 W.

Field Installation Guidelines

• Install the TC-TCNH module in the designated Experion PKS controller chassis slot according to the system hardware configuration manual.
• Verify chassis power removal before module insertion or removal unless the installed system configuration specifically supports hot-swap operation.
• Use approved ControlNet coaxial cabling with correct BNC termination practices.
• Maintain proper cable routing separation between communication wiring and high-voltage power conductors.
• Connect redundant ControlNet channels according to the network redundancy design requirements.
• Verify grounding and shield termination practices to minimize communication interference.
• Confirm module status indicators and network diagnostics after installation.

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