Description
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | DARPS 232 |
| Manufacturer | Kongsberg Discovery |
| Product Type | DP Position Reference System |
| Positioning Accuracy | <1 m absolute, <0.3 m relative |
| GNSS Frequencies | GPS/GLONASS L1/L2, SBAS |
| Update Rate | 10 Hz |
| Operating Temperature | -25°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Power Supply | 24 VDC (18-36 VDC range) |
| Power Consumption | <25 W |
| Interfaces | Ethernet, RS-422 serial |
| Dimensions (H x W x D) | 220 mm x 180 mm x 100 mm |
| Weight | 2.5 kg |
| IP Rating | IP56 (antenna), IP20 (processing unit) |
| MTBF | >50,000 hours |
Main Features and Advantages
The Kongsberg DARPS 232 redefines offshore positioning through its integrated multi-GNSS core, harnessing dual-frequency L1/L2 tracking across GPS and GLONASS constellations to suppress ionospheric errors by 95%, delivering sub-meter absolute fixes even in high-latitude ionospheric scintillation belts. This fusion extends to SBAS augmentation like EGNOS or WAAS, amplifying horizontal accuracy to 0.3 m relative between vessels, a leap beyond legacy single-frequency systems that falter under 2 m in dynamic swells. Operators benefit from its 10 Hz update cadence, which feeds K-Pos controllers with jitter-free vectors, enabling smoother tandem approaches that cut alignment times by 20 minutes per operation, directly boosting daily throughput for FPSO-linked shuttle fleets.
Fault tolerance permeates the Kongsberg DARPS 232‘s design, with redundant receiver chains and automatic failover to inertial motion reference units (IMUs) during 20-second GNSS blackouts, ensuring unbroken DP integrity per IMO guidelines—unlike vulnerable mono-receiver setups prone to 5-minute resets. Onboard integrity monitoring employs RAIM algorithms to flag multipath anomalies in real time, alerting via graphical HMI overlays that pinpoint urban-canyon-like interferences from platform superstructures, slashing false alarms by 70% and empowering captains with confidence in automated green-line validations.
User-centric software elevates the Kongsberg DARPS 232 further, featuring an intuitive operator interface co-developed with DP masters for drag-and-drop vessel profiling and scenario simulations, complete with USB-exportable logs for post-mission forensics. Its low SWaP profile—under 25 W draw in a compact IP56 enclosure—facilitates retrofits onto legacy tankers without deck penetrations, while Ethernet/RS-422 connectivity bridges seamlessly to NMEA 0183/2000 protocols for hybrid DCS integrations. Environmental hardening against salt fog and 5 g vibrations outpaces competitors in cyclonic-prone basins, with MTBF exceeding 50,000 hours translating to sub-0.1% annual downtime. For fleet managers, the Kongsberg DARPS 232 isn’t just a sensor; it’s a strategic enabler, yielding 10-15% OPEX savings through predictive health dashboards that forecast calibration needs, fortifying the backbone of sustainable offshore energy logistics with unmatched precision and resilience.
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