KONGSBERG Hipap TRX32 303088 8-channel I/O module

KONGSBERG HiPAP TRX32 (Part No. 303088) 8-channel I/O transceiver module
I. Basic Information
Full model: HiPAP TRX32, original part number 303088
System: Specifically designed for the Kongsberg HiPAP high-precision underwater acoustic ultra-short baseline positioning system (compatible with HiPAP 101/351/451/501 full series underwater positioning equipment), and not a conventional K-Chief engine room monitoring I/O card. It is a dedicated transceiver signal interface board for underwater acoustic positioning
Specification correction: The name indicates 8-channel as acoustic transceiver channels, commonly known as TRX32 board card. It is a rack-mounted plug-in card in the HiPAP cabinet
Core function: Acoustic signal transmission and driving for underwater transponders, echo reception and acquisition, while integrating analog input and output for realizing signal interaction between the positioning system and the ship’s DP positioning, deck winch, and ROV control system

Core of 8-channel acoustic transceiver hardware
1. Transmission TX circuit (8 independent channels)
Drive frequency: Matched to the 21–31kHz mid-frequency acoustic carrier of the HiPAP host
Power drive: Each channel has an internal power amplifier circuit, output matching the impedance of the ship’s bottom transducer
Pulse modulation: Software adjustable pulse width, transmission power, encoding sequence, to distinguish multiple underwater transponders
2. Reception RX circuit (8 independent isolated channels)
Pre-amplification of weak echo signals, band-pass filtering, noise suppression
High-precision ADC sampling, parsing the range, attitude, and identification code returned by the transponder
Each channel is electrically isolated, isolating the ship’s power grid, and electromagnetic interference from the inverter
3. Auxiliary digital I/O (system linkage signals)
Board-mounted additional DI/DO switch terminals:
DI: DP system readiness, winch lock, ROV deployment到位， pressure liquid level safety contacts
DO： Transponder power-on trigger， fault alarm relay， system readiness output to K-Pos main control

Communication and System Integration
Internal backplane bus
Card-type cabinet backplane high-speed parallel bus， real-time transmission of ranging coordinates， signal-to-noise ratio， and channel fault data with the HiPAP host CPU board
External upper-level communication
Forwarded Ethernet signals through the HiPAP host， connected to the ship’s K-Pos DP positioning system， central control HMI， ROV control platform
Debugging interface： Board-mounted RS232 serial port， local calibration of transducer gain， channel equalization， firmware upgrade

Electrical Power Supply Parameters
Standard power supply： Marine 24VDC (18–32VDC wide voltage)
Overall power consumption： Full load approximately 22W， peak instantaneous power of transmission up to 60W
Protection mechanism： Short-circuit self-locking for each TX output， over-temperature reduction power， surge， reverse connection protection； single-channel fault isolation， remaining 7 acoustic channels operate normally