CONSILIUM SALWICO SW2020 RIOM-41 PCB CARD RIOK-41 REV R1A

Overview

The input/output architecture of a fixed gas and fire detection system is what connects the central controller to the real world. Field detectors, manual call points, sounders, relay outputs, and status indicators all feed into and out of the system through I/O modules — boards that translate the electrical signals from field devices into data the controller can process, and commands from the controller into outputs that drive alarms and control devices. When an I/O module fails, the field devices connected to it go dark. The controller can no longer receive their signals or activate their outputs, creating a monitored zone that is effectively unprotected and unresponsive even though the rest of the system continues to operate normally.

The Consilium Salwico SW2020 RIOM-41 PCB Card RIOK-41 (Art.No S-40091, Rev R1A, EPAB 0040) is a refurbished Remote Input/Output Module for the Consilium SW2020 fixed gas and fire detection system. The RIOM-41 module type manages the I/O connections between the SW2020 controller and the field detection and output devices within its assigned zone — providing the hardware interface through which field signals enter the system and through which alarm and control outputs are driven. Replacement of a failed RIOM-41 module restores full I/O functionality for the affected zone, returning those field devices to active monitoring and output control without requiring replacement of the central SW2020 controller or the field device infrastructure itself.

The specific value of sourcing a refurbished RIOM-41 through a specialist legacy system parts supplier — rather than attempting to source through general electronics distribution — is the application-specific identification. The SW2020 RIOM-41 is a purpose-designed module with specific firmware, connector, and address configuration requirements for the SW2020 system architecture. A refurbished board with confirmed SW2020 application identity eliminates the risk of sourcing a physically similar but functionally incompatible module that causes system communication errors rather than restoring operation.

Key Features

SW2020 Remote Input/Output Module — Zone Field Device Interface

The RIOM-41 (RIOK-41 PCB Card) provides the hardware I/O interface between the Consilium SW2020 controller and the field detection and output devices in its assigned monitoring zone. Field detector inputs, manual call point inputs, sounder and beacon outputs, and relay contact outputs for the zone are managed through this module. A failed RIOM-41 disables all field device communication for its zone — detectors stop reporting to the controller and output devices stop responding to controller commands. Replacement of the module restores full bidirectional communication between the SW2020 controller and the zone’s field device population.

Specific Revision Identification — Rev R1A, Art.No S-40091

The module is supplied to the specific revision level Rev R1A with article number S-40091 and EPAB reference 0040. In the SW2020 system architecture, module revision compatibility is important — the SW2020 controller firmware and system configuration may require specific hardware revision levels for correct communication with the RIOM modules in the system. Installing a module of the wrong revision can cause system communication errors, address conflicts, or module rejection that prevents the system from recognising the replacement board as a valid system component. Procurement of the correct article number and revision level is the baseline requirement for a successful module replacement in an existing SW2020 installation.

Refurbished Condition — Functionally Restored

The RIOK-41 PCB Card is supplied in refurbished condition — functionally restored from a previously operational SW2020 system source. For I/O module replacements in certified fire and gas detection systems, the distinction between a refurbished module with a known functional restoration process and untested used surplus of unknown provenance is directly relevant to installation confidence. A module that has been examined and confirmed functional before supply carries a materially lower risk of introducing a second fault into a system being restored from an existing fault condition. Buyers should confirm the specific refurbishment and testing standard with the supplier for documentation purposes relevant to maintenance records and classification society requirements.

Restores Zone Monitoring Without System-Wide Disruption

Because the RIOM-41 manages a specific zone’s I/O rather than the entire system’s central processing, a failed module typically creates a zone-level fault rather than a complete system failure. The SW2020 controller will typically report the module fault and isolate or alert on the affected zone, while other zones and modules continue to function normally. Replacing the failed RIOM-41 restores the affected zone without requiring any intervention to the system’s other zones, modules, or the central controller — a targeted repair that minimises system downtime and operational disruption compared to any repair that requires controller-level intervention.

Extends SW2020 System Operational Life Through Component Maintenance

The SW2020 is a mature fire and gas detection platform with a long service history across marine, offshore, and industrial installations. For vessels and facilities where the SW2020 forms part of a certified detection system with remaining useful life, maintaining operational capability through module-level component replacement is the operationally and economically appropriate maintenance approach. A refurbished RIOM-41 module at component cost replaces only the failed element, preserving the value of the wider system installation — field detectors, cabling, controller, and the certification basis of the system as a whole.

Technical Specifications

Product: Consilium Salwico SW2020 RIOM-41 PCB Card RIOK-41

System Compatibility: Consilium SW2020 Fixed Gas and Fire Detection System

Module Type: Remote Input/Output Module (RIOM)

PCB Card Designation: RIOK-41

Article Number: S-40091

Revision: R1A

EPAB Reference: 0040

Condition: Refurbished

Category: Fixed Gas System Replacement Component

I/O Capacity: Confirm with supplier for zone device count and channel specification applicable to the RIOM-41 configuration in your SW2020 system

Compatibility Note: Confirm revision and EPAB compatibility with your specific SW2020 system serial number, firmware version, and system configuration before procurement. Module address configuration requirements should be verified against your SW2020 system documentation prior to installation.

Benefits

For vessel operators and facility managers, the most operationally significant benefit of RIOM-41 module replacement is zone restoration without system interruption. While the affected zone is isolated pending repair, the rest of the SW2020 system continues to monitor and respond normally — the fault is contained to the module’s zone, not the entire system. Replacing the module restores the affected zone to full monitored status, eliminating the isolated zone from the system’s fault log and returning the installation to its fully operational state. For vessels and facilities with safety management systems that require all detection zones to be fully operational during normal operations, zone restoration is the critical compliance objective that module replacement achieves.

For maintenance engineers and vessel superintendents, the component-level repair approach means that the SW2020 system’s accumulated configuration — zone assignments, detector addresses, alarm thresholds, output assignments — is preserved. A module replacement does not require system-wide reconfiguration; the SW2020 controller retains its existing configuration, and the replacement module is integrated into that configuration through the standard module commissioning procedure. This preserves the certified system configuration without requiring a full system recommission, which would be required if the central controller were replaced.

For classification society compliance, restoring a failed zone to full operational status through module replacement — rather than operating with a zone on long-term isolation or bypass — maintains the system’s coverage of all designated monitored areas in accordance with the applicable classification rules. An isolated zone represents a gap in the certified fire and gas detection coverage of the vessel or facility; module replacement closes that gap and returns the system to its certified operational state.

Who It’s For

Vessel Technical Superintendent — Fleet with SW2020 Installations

You manage technical maintenance across a fleet where multiple vessels operate Consilium SW2020 fire and gas detection systems. One vessel has reported a RIOM-41 module fault, with the affected zone isolated pending repair. The vessel is on a schedule that constrains the time available for repair, and sourcing a replacement module through standard channels for a legacy system carries uncertain lead times. A refurbished RIOM-41 (RIOK-41, S-40091, Rev R1A) from a specialist legacy parts supplier provides the application-confirmed replacement component that can be dispatched for installation within the vessel’s repair window.

Offshore Platform Electrical and Instrumentation Engineer

You maintain the fire and gas detection systems on an offshore platform where the SW2020 has been in service for many years. A RIOM-41 module on one loop has failed, isolating a monitoring zone that covers part of the process area. The platform’s change management and safety management system procedures require that isolated zones be restored within a defined timeframe. A refurbished replacement module sourced through a specialist fixed gas system parts supplier provides the correct component with application traceability for the platform’s maintenance documentation.

Fixed Fire and Gas Detection Service Company

You provide installation and maintenance services for Consilium SW2020 systems across a customer portfolio of vessels and industrial installations. You need a reliable supply of refurbished replacement modules — including RIOM-41 boards — that you can procure for customer system repairs with confidence in their application compatibility and functional condition. Sourcing through a specialist legacy parts supplier with application-confirmed refurbished stock reduces the compatibility risk and procurement uncertainty compared to sourcing general-market electronics components that may physically fit but lack the confirmed SW2020 application identity.

Possible Applications

Marine Tanker and Bulk Carrier Vessels — Fire and Gas System Zone Restoration — Vessels operating Consilium SW2020 systems use RIOM-41 modules to manage field device I/O across cargo holds, machinery spaces, and accommodation areas. Failed modules require replacement to restore monitored zone coverage in accordance with SOLAS fire detection requirements and classification society rules.

Offshore Production Platforms and FPSOs — Process Area Detection — Production platforms with SW2020 systems use RIOM-41 modules for I/O management of field detectors and alarm outputs across process areas, wellhead areas, and utility spaces. Zone restoration through module replacement maintains the certified gas detection coverage of these operationally critical areas.

LNG and Gas Carriers — Cargo Space Monitoring — Gas tankers with SW2020 systems use RIOM modules for the detection zone management that is critical to their classification society fire and gas detection compliance under IGC Code and related IMO regulations. Module fault restoration is a classification compliance imperative for these vessels.

Naval and Government Vessels — Naval vessels with Consilium SW2020 or Salwico fire and gas systems require operational detection zone coverage as part of their damage control and habitability standards. Module-level replacement supports system maintenance beyond the original manufacturer’s active support period for these long-service vessels.

Industrial Facilities — Fixed Fire and Gas Detection Life Extension — Industrial plants with Consilium SW2020 systems in fire and gas detection applications use RIOM-41 modules for zone I/O management. Module replacement extends the operational life of the certified system without requiring the capital expenditure and operational disruption of full system replacement.

Trust & Certifications

Consilium Salwico — Marine and Industrial Fire and Gas Detection Heritage

Consilium (formerly Salwico and now part of the Consilium group) is a Scandinavian manufacturer with a long history of fire and gas detection systems for marine, offshore, and industrial applications. The Salwico SW2020 platform has been widely installed across global vessel and offshore fleets since its introduction, and its longevity as a fielded system is the reason replacement component availability remains commercially relevant and in demand for marine and offshore maintenance programmes. Specialist knowledge of the SW2020 system architecture — including RIOM module types, revision requirements, and address configuration procedures — is concentrated in suppliers with specific experience of the Consilium Salwico product range.

Refurbished Condition — Functional Restoration with Application Identity

The refurbished RIOK-41 PCB Card is supplied with confirmed SW2020 application identity — it is not a general-purpose I/O board sourced from general electronics surplus and assumed to be compatible. Application-confirmed identity is the critical distinction for a fire and gas detection system component where a physically compatible but functionally incompatible board would cause system communication errors rather than restoring operation. Buyers should confirm the specific refurbishment and testing standard applied to this module with the supplier for documentation suitable for maintenance records and classification society review.

Revision and Article Number Traceability — Rev R1A, Art.No S-40091, EPAB 0040

Full component identification to article number, revision level, and EPAB reference provides the documentation traceability required for accurate maintenance records in classified systems. Classification societies and flag state inspectors may require that replacement components in approved fire and gas detection systems are identified to article number and revision in the vessel’s maintenance and repair records. The specific identification of this module supports accurate record entries without ambiguity about which component was installed.

Note on SW2020 System Compatibility and Classification Society Requirements

Installation of replacement RIOM modules in classified fire and gas detection systems may require system re-commissioning of the affected module, update of the system’s maintenance records, and notification to the relevant classification society depending on the scope of the repair and the applicable class rules. Confirm the specific commissioning, documentation, and notification requirements for your vessel’s or facility’s classification society and system approval basis with a qualified fire and gas detection service engineer before installation.

Accessories & Variants

Consilium SW2020 Main Display PCB GPK-4 (refurbished, Art.nr 051005 Rev.R2C)

The Main Display PCB GPK-4 is available separately as a refurbished replacement for SW2020 systems with failed display board components. If your SW2020 system requires both module and display board replacement, contact our team to discuss combined procurement and any applicable pricing for multiple component supply.

Thomas Analyzing/Vacuum Pump (refurbished)

The sampling pump for the Consilium SW2020 system is available as a refurbished replacement component. For SW2020 systems with both I/O module and sampling system failures, combined procurement may be available — contact our team for current stock and pricing.

Additional Consilium SW2020 RIOM Module Variants

Other RIOM module types and revisions for the Consilium SW2020 system may be available as refurbished stock depending on current inventory. If your SW2020 system requires a different RIOM module type, article number, or revision level, contact our technical team with the specific component identification from your system documentation to confirm availability.

SW2020 System Documentation Support

Technical documentation for the SW2020 system — including module installation procedures, address configuration guides, and commissioning instructions — may be required for RIOM-41 module replacement. Contact our team if documentation support is needed for your system’s maintenance programme.

Request a Quote or Component Availability Consultation

If you have a Consilium SW2020 system with a failed RIOM-41 module and you need a replacement confirmed to the correct article number and revision level for your system, available within your operational timeline, and documented to the standard required for your maintenance records and classification society requirements, our team can advise on stock availability, refurbishment standard, and procurement.

Speak with our technical team to confirm module compatibility with your specific SW2020 system serial number and firmware version, discuss availability and lead time, request maintenance record documentation, or obtain a formal quotation. We work with vessel superintendents, offshore platform maintenance engineers, and fixed fire and gas detection service companies across marine, offshore, and industrial fixed safety system applications.