The Kongsberg 304337 is a specialized TRX32 Filter Module PCBoard designed for high-performance maritime and offshore control systems. Integrated into the Kongsberg Maritime K-Chief, AutoChief, or dynamic positioning (DP) systems, this board functions as a signal conditioning and interference suppression unit. It is engineered to filter electromagnetic noise and stabilize transceiver signals within the TRX32 communication architecture, ensuring that critical data transmission between field sensors and central processing units remains clear and error-free in the harsh electrical environments found on large vessels.
Technical Specifications (Product Datasheet) Model Number: 304337 Functional Type: TRX32 Filter Module / Transceiver Filter System Compatibility: Kongsberg K-Chief / AutoChief / K-Thrust Communication Interface: TRX32 Bus System Filtering Range: High-frequency noise suppression Operating Voltage: 24 V DC (System Logic) Signal Channels: Multi-channel filtered I/O Operating Temperature: -15°C to +70°C Storage Temperature: -25°C to +85°C Protection Rating: IP20 (Internal rack mount) Vibration Resistance: Marine certified (DNV/Lloyd’s Register standards) Length: 175 mm Width: 120 mm Height: 25 mm Weight: 0.35 kg Country of Origin: Norway
Applications The 304337 Filter Module is primarily used in maritime automation and ship control networks. It is essential for stabilizing the communication lines used in engine monitoring systems, thruster control, and alarm management systems. Its application is critical on LNG carriers, cruise ships, and offshore drilling rigs where high-density cabling can create significant electromagnetic interference (EMI) that might otherwise disrupt sensitive control signals.
Operating Instructions Before installation, verify that the system power is switched off and that you are following proper ESD (Electrostatic Discharge) procedures. The module should be inserted into the designated slot within the TRX32 subrack. Ensure the board is aligned with the guide rails and that the backplane connector is fully seated before securing any retaining screws. Check that all terminal connections for the filtered lines are tight and that the cable shielding is correctly terminated to the system ground. Once powered, the diagnostic LEDs on the board (if present) should be checked for a steady status indication, confirming that the transceiver signals are being processed correctly.
Q&A – Frequently Asked Questions Question: Can the 304337 be used in non-Kongsberg communication systems? Answer: No, this PCB is a proprietary component of the TRX32 bus architecture used specifically in Kongsberg Maritime automation platforms and is not compatible with standard third-party hardware.
Question: What are the symptoms of a failing 304337 filter module? Answer: Common symptoms include intermittent communication “drop-outs,” parity errors in the data log, or excessive signal noise appearing in the diagnostic view of the K-Chief software interface.
Question: Does this board require software configuration? Answer: The filter module itself is largely a hardware-based signal conditioner; however, the transceiver it is paired with must be correctly addressed and configured within the ship’s automation software to recognize the filtered data paths.
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