Description
The KONGSBERG RDIOR420 acts as a high-density combined input/output processing node for Kongsberg Maritime (KM) automation platforms, including integrated automation systems (IAS) on marine vessels and offshore structures. The module features a total of 32 physical I/O channels split evenly between configurable solid-state digital channels and mechanical relay switches, routing commands directly to control valves, alarm systems, and propulsion auxiliaries.
When scheduling maintenance turnarounds or responding to an emergency system failure at sea, hardware availability and lead time determine your operational uptime. This item is kept in active stock to prevent costly transit delays.
- Condition: New Original (Factory Sealed)
- Availability: In Stock
- Lead Time: Ships within 1–2 business days via premium international air express carriers
- Warranty: 12-month comprehensive industrial warranty
Pricing Note: The cost listed here serves as a general industry reference for procurement planning. Actual invoice totals fluctuate based on global fleet supply agreements, spot-market component availability, and overall volume. Reach out to our logistics desk for an official, contract-ready commercial quote.
Technical Specifications and Field Parameters
System integrators and shipboard automation engineers require precise physical and electrical criteria to verify compatibility before slotting hardware. The parameters below conform to standard factory technical documentation for this module.
| Parameter | Technical Value / Specification |
| Model Designation | RDIOR420 |
| Kongsberg Article Number | 306713 |
| Module Composition | 16 Solid-State Channels (DI/DO) + 16 Relay Channels |
| Input Supply Voltage | 24 V DC nominal (18 to 31.2 V DC allowable range) |
| Power Consumption | 8 W typical base logic draw |
| Solid-State Output Rating | 24 V DC, 1 A per channel (Short-circuit protected) |
| Solid-State Output Trip Current | > 1.4 A (Software resettable) |
| Relay Contact Rating (DC) | 15 to 300 V DC, max 5 A resistive load |
| Relay Contact Rating (AC) | 15 to 250 V AC, max 2 A inductive load (Cos \phi = 0.4) |
| Network Redundancy | Dual Remote I/O Process Bus interfaces (RBUS A and RBUS B) |
| Operating Temperature | −15 to +70 °C (+5 to +158 °F) |
| Relative Humidity Range | Up to 98% RH non-condensing |
| Ingress Protection | IP20 compliance according to IEC 60529 |
| Dimensions & Weight | 355 mm × 158 mm × 87 mm; 1.35 kg |
Field Deployment and Subsystem Engineering Realities
Are you planning to drop this module into a marine control cabinet while underway? In field deployments onboard offshore vessels, thermal stability is paramount, and this assembly’s wide −15 to +70 °C operating range handles harsh engine-room environments well. The RDIOR420 routes high-speed data directly to the host Remote Control Unit (RCU) via redundant RBUS channels—though your network diagnostic logs will populate with framing errors if line termination resistance on the common bus drops out of spec. Well, technically the solid-state channels allow online, real-time software configuration as either an input loop or a high-side driver output, but keeping the continuous continuous load under 80% capacity prolongs the life of the solid-state drivers when ambient enclosure temperatures creep past 50 °C.
Take a close look at the front-facing diagnostic array. The module features comprehensive loop monitoring that performs line fault detection specifically for the 16 solid-state channels, identifying open loops or shorted field coils instantly. If a field wire chafes through and grounds out against a bulkhead, the module safely triggers its soft-fault driver trip circuit rather than blowing physical trace links on the circuit board. The status LED will shift from normal operating green to a flashing amber configuration, alerting your electrical crew exactly which line is compromised.
Verify the baseline system firmware version through your supervisory workstation before initiating a hardware swap. While upgrading firmware on this series is simple, executing a field replacement with mismatched firmware across redundant nodes blocks automatic database synchronization.
Global Procurement, Logistics, and Trade Compliance
Managing international logistics for critical marine assets requires exact administrative filing to bypass customs holding queues at international shipping hubs.
Harmonized System (HS) Code and Export Control Status
Ensure the following standardized data is populated on all customs entry sheets and commercial invoices:
- HS Code: 85389091 (Electronic assemblies designed for industrial and marine automation control apparatus)
- ECCN: EAR99 (Standard commercial asset; eligible for export to most worldwide locations without an individual export license under standard regulations)
Incoterms and Delivery Management Options
We manage international logistics tasks under standard EXW (Ex Works) or DAP (Delivered at Place) frameworks. Choose from three priority routing structures:
- Priority Air Express (DHL, FedEx, UPS): The preferred option for emergency vessel breakdown logistics, delivering directly to shipyards and major ports globally within 3–5 business days.
- Air Freight Forwarding: Highly efficient for heavier, multi-module facility system upgrades or consolidated maintenance packages.
- Ocean Transport: Staged for long-term shipyard refits and vessel overhauls where shipping cost control takes priority over immediate transit speed.
Trade Financing and Secure Payment Terms
To align with standard corporate procurement guidelines, we support several secure payment methods:
- Telegraphic Transfer (T/T): Direct bank wire transfer for swift processing and immediate dispatch priority.
- Letter of Credit (L/C): Available for high-value international capital procurement contracts, subject to mutual bank verification.
- Corporate Credit / Net Terms: Extended net terms can be granted to established maritime engineering partners, system integrators, and fleet operators following a standard internal credit review.
Frequently Asked Questions
What happens to the relay outputs if communication with the host computer fails?
The RDIOR420 is equipped with configurable fail-safe activation algorithms. In the event of a total loss of signal on both RBUS A and RBUS B channels, the outputs will automatically drop into their pre-programmed safe-state positions (either forced open, forced closed, or freezing in their last known valid state), protecting downstream process equipment from un-commanded cycles.
Can the mechanical relays handle low-power signal routing?
Yes, but note that the breaking capability changes aggressively based on the voltage type. While it manages 5 A at 24 V DC, its capacity drops down to 0.1 A at 300 V DC due to inductive arcing characteristics. Always match your interposing terminal loads to the technical curves found in the OEM datasheet.
Are full export compliance documents supplied with the order?
Yes, every shipment leaves our facility with a complete commercial invoice, itemized packing list, and necessary customs declaration documents. If your local port authority requires a specific Certificate of Origin (CO), please inform our team when requesting your initial quotation.
