Honeywell TC-RPA002 | Fieldbus Repeater Adapter

Product Overview

This repeater adapter regenerates and strengthens fieldbus signals across extended cable runs. Industrial environments often require signal boosting to maintain communication integrity over long distances. The TC-RPA002 installs seamlessly between trunk cables and device couplers. Its compact housing fits neatly into standard DIN-rail mounting configurations. We engineered this adapter to support Honeywell’s proprietary communication protocols without introducing latency. The unit operates reliably in temperatures from –20°C to +70°C. Field technicians will appreciate the pluggable terminal connections for swift deployment.

Technical Specifications

Parameter	Specification
Communication Protocol	Honeywell proprietary fieldbus
Maximum Cable Length per Segment	1200 meters (with repeater)
Number of Repeater Ports	2 isolated ports
Input Voltage Range	18–32 VDC
Power Consumption	≤3.5 W
Isolation Voltage	1500 VDC (port-to-port)
Data Rate	31.25 kbps (fixed)
Signal Regeneration	Waveform reshaping and retiming
Diagnostic Indicators	Power, Port A activity, Port B activity, Fault
Operating Temperature	–20°C to +70°C
Storage Temperature	–40°C to +85°C
Dimensions (W x H x D)	45 mm x 110 mm x 75 mm
Weight	0.28 kg
Mounting Type	DIN-rail (35 mm)
Termination Resistors	Built-in, switch-selectable

Signal Regeneration and Performance

The TC-RPA002 actively reshapes incoming waveforms to eliminate signal degradation. Retiming circuits realign bit edges for precise data recovery at each output port. This adapter increases the total allowable trunk length from 600 to 1200 meters. The unit forwards messages bidirectionally without storing or altering packet content. Signal propagation delay remains under 5 microseconds per repeater hop. Built-in surge suppression protects the adapter from electrostatic discharge events.

Power and Energy Storage

An internal 470 µF capacitor bank maintains operation during brief power interruptions. The adapter consumes a maximum of 3.5 watts under full signal load. This low power draw reduces heat generation inside enclosures. The unit automatically resumes normal function after a voltage sag recovers. Reverse polarity protection prevents damage from incorrect wiring connections.

Diagnostic and Status Monitoring

Three bi-colored LEDs provide immediate visual feedback for troubleshooting. The Power LED indicates the presence of operational supply voltage. Port A and Port B LEDs show communication activity and cable integrity. A Fault LED illuminates when the adapter detects excessive reflections or short circuits. Diagnostic data also transmits through the fieldbus for remote monitoring purposes.

Mechanical Design and Installation

The 45-millimeter wide housing occupies minimal space on a standard DIN rail. Its 0.28-kilogram weight allows secure mounting without additional support brackets. Removable screw terminals accept wire sizes from 0.5 mm² to 2.5 mm². Switch-selectable termination resistors simplify network configuration changes. The adapter’s front-facing design grants easy access to all connection points.