Description
ABB
CONVERTER MODULE
RS232/RS422-485
RS232
24VDC
1SNA 684231 R2500
REF: FKM5965
The ABB RS232/RS422-485 Converter Module (Part No. 1SNA 684231 R2500) is a serial communication interface converter designed for reliable data translation between RS232 and RS422/RS485 protocols. Widely deployed in marine automation, power management, and vessel control systems, this module ensures seamless communication between bridge equipment, engine room monitoring systems, and distributed I/O networks. Operating at 24VDC, it is well suited for standard marine electrical environments and plays a critical role in maintaining data integrity across shipboard serial networks.
Key Features
✓ Bidirectional conversion between RS232 and RS422/RS485 serial communication standards
✓ 24VDC supply voltage compatible with standard marine power distribution
✓ Compact DIN-rail or panel-mount design for efficient installation in control cabinets
✓ ABB-engineered for industrial and marine-grade reliability in demanding environments
✓ Supports integration with ABB automation platforms and third-party serial devices
Marine Applications
Bridge navigation and integrated bridge system (IBS) serial data interfacing
Engine room automation and alarm monitoring system communication links
Power management system (PMS) data conversion between legacy and modern serial devices
Cargo control and ballast management system serial network integration
HVAC, fire detection, and auxiliary system controller communication interfacing
Why Marine Engineers Choose ABB RS232/RS422-485 Converter Modules
ABB converter modules are trusted across global fleets for their proven durability, straightforward integration, and dependable performance in shipboard serial communication networks. This module provides a cost-effective solution for bridging protocol gaps between RS232 and RS422/RS485 devices, reducing system downtime and simplifying troubleshooting in complex marine automation architectures.
Ideal For
Commercial vessels, tankers, bulk carriers, offshore platforms, LNG/LPG carriers, cruise ships, naval vessels, and any installation requiring reliable RS232 to RS422/RS485 serial protocol conversion within ABB or mixed-vendor automation environments.
Technical Support & Compliance
We provide complete support solutions including remote troubleshooting, onboard technical assistance, testing and commissioning, repair services, retrofit and upgrade planning, and full integration support for ABB serial communication modules. To confirm compatibility with your specific installation, please share nameplate photographs, part numbers, system drawings, automation system model and software version, vessel name/IMO number, and project scope. All compatibility and technical specifications are subject to confirmation based on your vessel’s configuration.
