Kongsberg RPC400 Product Introduction
1. Product Overview
The Kongsberg RPC400 is a rugged industrial Remote Process Control unit (RPC) designed for marine, offshore oil & gas, and subsea automation systems. It serves as a decentralized control node, focusing on tasks like remote sensor data acquisition, local actuator control, and real-time data transmission to central control systems—critical for managing distributed equipment in harsh offshore/marine environments (e.g., subsea valves, offshore platform auxiliary systems).
Integrating robust communication interfaces and maritime-grade protection, it withstands salt spray, vibration, and extreme temperatures. Compatibility with Kongsberg’s K-Chief, K-Pos, and OpenBridge automation platforms ensures seamless system integration, making it a core component for remote control in maritime and offshore operations.
2. Technical Parameters (Table)
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Category
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Specification
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Device Type
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Remote Process Control unit (RPC) for marine/offshore distributed control
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I/O Configuration
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Analog inputs: 8 (4–20 mA, 16-bit); Digital inputs: 16 (24 V DC, sink/source); Digital outputs: 8 (24 V DC, 2 A); Relay outputs: 4 (SPDT, 250 V AC/5 A)
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Communication
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Primary: Ethernet (Modbus TCP/IP, IEC 61850); Secondary: RS485 (Modbus RTU); Optional: Profinet/DNP3
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Processing Power
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32-bit ARM Cortex-A9 processor; 1 GHz clock speed; 1 GB RAM; 8 GB eMMC storage
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Power Supply
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24 V DC (18–36 V DC); Power consumption: ≤15 W (operating), ≤3 W (standby)
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Environmental Ratings
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Operating temperature: -30°C to +65°C (-22°F to +149°F); Storage temperature: -40°C to +85°C (-40°F to +185°F); Humidity: 0%–100% (condensing); Protection class: IP67 (enclosure); Salt spray resistance: EN ISO 9227 (2000 hours)
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Mechanical Design
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Mounting: Wall/pipe (marine-grade brackets); Housing material: 316L stainless steel; Dimensions: 220 mm (W) × 180 mm (H) × 100 mm (D); Weight: ~3.5 kg (7.72 lbs)
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Protection Functions
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Overvoltage, overcurrent, short circuit, overtemperature; Redundant power input option
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Certifications
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Marine: DNV GL, ABS, Lloyd’s Register, BV; Offshore: ATEX Zone 2, IECEx; CE; IEC 60945; RoHS compliant
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3. Product Specifications & Features
3.1 Core Specifications
The Kongsberg RPC400 is optimized for distributed marine/offshore control, with a versatile I/O suite (8 analog inputs, 16 digital inputs, 8 digital outputs, 4 relays) supporting diverse sensor/actuator connections—fitting scenarios like “subsea pressure sensor → RPC400 → offshore platform valve control.” Its 32-bit ARM processor (1 GHz) enables local data processing, reducing reliance on central system bandwidth, while 1 GB RAM/8 GB eMMC supports data logging for troubleshooting.
Multi-protocol communication (Ethernet, RS485, optional Profinet) ensures compatibility with legacy and modern systems, while IP67 protection and 316L stainless steel housing resist corrosion and water ingress—critical for offshore subsea or shipboard environments.
3.2 Key Features
- Maritime/Offshore Ruggedness: 316L stainless steel housing, IP67 protection, and 2000-hour salt spray resistance meet extreme offshore/marine environmental demands.
- Distributed Control Capability: Local processing and I/O reduce central system load, ideal for large-scale offshore platforms or multi-vessel fleets.
- Multi-Protocol Compatibility: Supports Modbus, IEC 61850, and optional Profinet/DNP3, enabling integration with diverse automation ecosystems.
- Redundant Design Options: Optional dual power inputs enhance reliability for safety-critical remote applications (e.g., subsea wellhead control).
- Easy Remote Management: Ethernet connectivity allows remote configuration and monitoring, minimizing on-site maintenance in hard-to-reach locations.
4. Other Kongsberg Remote Control & Automation Products
Kongsberg offers complementary remote control units for marine/offshore needs:
- Kongsberg RPC300: Compact RPC (reduced I/O: 4 analog inputs, 8 digital I/O) for space-constrained applications (e.g., small vessel navigation auxiliaries).
- Kongsberg RPC500: High-performance RPC (16 analog inputs, 32 digital I/O, dual Ethernet) for large offshore platforms (e.g., oil rig process control).
- Kongsberg RPC400-S: Subsea-specific variant (IP68, -40°C to +70°C) for deepwater applications (e.g., subsea pipeline monitoring).
- Kongsberg RPC200: Entry-level RPC (basic I/O, RS485 only) for simple remote tasks (e.g., coastal buoy sensor data collection).
- Kongsberg RPC600: Redundant RPC (dual CPU, dual communication) for safety-critical systems (e.g., offshore emergency shutdown control).
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