KONGSBERG TRX32 303088
Product Overview
The Kongsberg TRX32(Part Number:303088)is a high-reliability,32-channel digital input/output(I/O)module designed for use in safety-critical and mission-critical control systems,particularly within Kongsberg Maritime’s K-Chief 600 and K-Pos DP(Dynamic Positioning)automation platforms.It is widely deployed on offshore vessels,drilling rigs,LNG carriers,naval ships,and subsea support vessels where redundancy,certification,and real-time performance are non-negotiable.
The TRX32 functions as a dual-purpose I/O module,configurable per channel as either digital input(DI)or digital output(DO)—offering exceptional flexibility in system design.It supports voltage sensing(DI)and relay or solid-state switching(DO),making it suitable for interfacing with alarms,valve feedbacks,pump status signals,emergency stops,and control relays.
As part of Kongsberg’s distributed I/O architecture,the TRX32 communicates over a dual-redundant fieldbus(typically CANopen or Kongsberg-specific deterministic bus)to the central processing units(e.g.,CPU32 or CPU64 modules),ensuring fault tolerance and continuous operation even in the event of a single communication path failure.
The suffix 303088 is Kongsberg’s internal manufacturing and revision code,often indicating hardware version,conformal coating level,or marine certification batch.
Technical Specifications
Parameter Value
Manufacturer Kongsberg Maritime(Norway)
Model TRX32
Part Number 303088
System Compatibility K-Chief 600,K-Pos DP,K-Thrust,K-Align
I/O Type 32 configurable channels–each individually set as DI or DO via software
Digital Input(DI)
•Voltage range:18–32 V DC(nominal 24 V)
•Input type:Sinking or sourcing(configurable via wiring)
•Wet/dry contact compatible
•Filtering:Software-adjustable debounce
Digital Output(DO)
•Type:Electromechanical relay(changeover contacts)
•Contact rating:2 A 30 V DC/250 V AC(resistive load)
•Isolation:Galvanic between logic and field
Channel Configuration Per-channel software-selectable(DI or DO)–no hardware jumpers
Communication Dual-redundant fieldbus(Kongsberg proprietary or CAN-based)
Redundancy Supports hot-swap and dual-CPU synchronization
Diagnostics Per-channel LED status;open-circuit,short-circuit,and module fault reporting
Power Supply 24 V DC from backplane(redundant capable)
Operating Temperature–25°C to+70°C(marine-grade extended range)
Protection Rating Conformal coated PCB;suitable for IP20 panel mounting
Certifications
•DNV-GL,ABS,LR,BV,RMRS(class society approvals)
•IEC 60945(Maritime navigation&communication)
•IEC 61508 SIL 2(when used in safety functions)
•EMC:EN 60945,IEC 61000-6-2/6-4
Key Features&Advantages
✅Flexible Channel Configuration:
Each of the 32 channels can be independently assigned as input or output during engineering—ideal for retrofit projects or multi-role vessels.
✅Marine&Offshore Certified:
Built to withstand high humidity,salt spray,vibration,and wide temperature swings—fully compliant with DNV and IMO standards.
✅Integrated Relay Outputs:
Unlike solid-state modules,the TRX32 uses real relays,enabling direct switching of AC solenoids,alarm horns,or motor starter coils without interposing relays.
✅Real-Time Redundancy:
Operates in synchronized redundant I/O networks—critical for Dynamic Positioning(DP)Class 2/3 systems where failure could cause station-keeping loss.
✅Seamless Integration with K-Chief/K-Pos:
Auto-detected in Engineering Toolset(ETS);channels mapped directly into function blocks,alarm lists,and HMI mimic diagrams.
Typical Applications
Dynamic Positioning(DP)Systems:Thruster status feedback,ESD signals,joystick enable.
Fire&Gas Monitoring:Smoke detector inputs,deluge valve control outputs.
Ballast&Cargo Control:Valve position confirmation,pump run signals.
Emergency Shutdown(ESD):Platform-wide trip initiation and acknowledgment.
Bridge Alarms:Navigation light failure,radar fault,gyro error inputs.
Related Kongsberg Modules
Part Number Description
TRX16(303087)16-channel version of TRX32
ARU32(303090)32-channel analog input module(4–20 mA)
CPU32/CPU64 Central processing units for K-Chief 600
COM32 Communication gateway(Ethernet,serial,fieldbus)
PSU24 Redundant 24 V power supply unit
Installation&Maintenance Best Practices
Wiring:Use marine-grade,tinned copper,shielded cables.Torque terminals to 0.6 N·m.
Grounding:Single-point ground for shields to avoid ground loops in steel hulls.
Configuration:Always verify channel mode(DI/DO)in Kongsberg ETS before commissioning.
Relay Life:For inductive loads(e.g.,solenoids),install flyback diodes(DC)or RC snubbers(AC).
Diagnostics:Monitor“I/O Degraded”alarms in Operator Workstation(OWS)—early sign of failing relay or input circuit.
Product Guarantee
Every Kongsberg TRX32 303088 we supply is 100%genuine,sourced from Kongsberg-authorized channels,decommissioned marine systems with full service history,or new-old-stock inventory.Each unit undergoes:
Visual inspection for corrosion or damage
Relay actuation test(all 32 channels)
Input threshold verification(18 V ON,5 V OFF)
Communication handshake with K-Chief simulator
Backed by a 12-month warranty,our modules meet the stringent demands of marine,offshore,and defense applications.We provide terminal diagrams,ETS configuration snippets,and class society documentation upon request.
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