Honeywell TC-RPCXX1 Power Supply Module

The Honeywell TC-RPCXX1, also cataloged as the TC-RPCXX1 Power Supply Module, operates as a dedicated hardware component for chassis backplane power distribution within Honeywell C300 and Series 8 control platforms. The module converts external line voltage into regulated DC power buses across the chassis backplane. Internal power management circuits regulate multi-rail outputs to power controller processors, I/O modules, and communication adapters, while providing solid-state status annunciation for system health monitoring.

Hardware Specifications

4-20 mA HART Loop Protocol & Channel-to-Channel Isolation

The Honeywell TC-RPCXX1 provides power rail isolation to prevent line-side surges and ground loops from compromising downstream 4-20 mA HART loop protocol transmitters and I/O channels. Internal filtering suppresses line ripple across the 5.1 VDC logic and 24 VDC field auxiliary buses, maintaining continuous power stability. Integrated status monitoring relays interface directly with DCS alarm subsystems to execute instant failover triggers when power degradation is detected.

Frequently Asked Questions

Q: How is power redundancy configured using the TC-RPCXX1 module?

A: Redundancy is achieved by installing two TC-RPCXX1 modules in parallel within a dual-power chassis configuration, connecting them via the TC-RPSC03 redundant power supply cable to balance load sharing and enable seamless failover.

Q: What are the backplane output current limits for the individual voltage rails?

A: The backplane distributes up to 1.5 A at 1.2 VDC, 4 A at 3.3 VDC, 13 A at 5.1 VDC, and 2.8 A at 24 VDC, with a total maximum power output rating of 75 W at 60 deg C ambient operating temperature.

Q: What type of load can the annunciation user connection drive?

A: The annunciation contact is a solid-state relay rated for a maximum of 120 VAC/VDC at 100 mA, designed for connection to DCS digital input points or external alarm indicators.

Field Installation Guidelines

1. Mount the TC-RPCXX1 into the designated power supply slot of the chassis, securing all retaining screws to ensure low-impedance chassis grounding.
2. Verify that input power wiring matches the selected AC (120/240 VAC) or DC (16-32 VDC) supply ratings before energizing the feeder circuit.
3. For redundant power installations, connect the TC-RPSC03 redundant power cable between the primary and secondary power supply modules prior to powering up.
4. Wire the solid-state annunciation output terminals to the system diagnostic monitoring loop, adhering to the 120 VAC/VDC at 100 mA maximum contact load limits.
5. Ensure a minimum clearance of 50 mm above and below the module assembly to allow unimpeded convection cooling and prevent thermal derating above 60 deg C.