Kongsberg RAI-16xe 329714 Remote Analog Input Module

The Kongsberg RAI-16xe 329714 is a high-density remote analog input module designed for distributed automation and control systems. With 16 independent analog input channels, this module provides accurate measurement of field signals including pressure, temperature, flow, and level. The RAI-16xe is ideal for marine and offshore applications where reliable analog signal acquisition is required in engine rooms, machinery spaces, and remote I/O cabinets.

Input Configuration and Flexibility

Each of the 16 input channels can be independently configured for 4-20 mA current signals or 0-10 V voltage signals, providing flexibility for mixed instrument types. The module supports both 2-wire and 4-wire transmitter connections, with integrated loop power available on selected channels. Input scaling allows conversion of raw signals to engineering units, reducing processing requirements on the host controller. Adjustable filtering options enable optimization of response time versus noise rejection.

Communication Interface

The RAI-16xe communicates using Modbus RTU protocol over RS-485, an industry-standard interface that enables integration with a wide range of automation systems. The module can operate as a Modbus slave, providing input data to PLCs, distributed control systems, and operator stations. Communication parameters including baud rate, parity, and slave address are configurable via DIP switches or software tools. Redundant communication ports are available for critical applications requiring high availability.

Diagnostic Features

Comprehensive diagnostic capabilities support system reliability and maintenance planning:

• Channel status monitoring for open-circuit and short-circuit detection

• Input signal range checking with out-of-limit indication

• Module health monitoring including internal temperature and supply voltage

• Communication status indicators for troubleshooting

• Error logging for fault analysis

Physical and Environmental Specifications

• Power supply: 24 V DC (18 to 32 V DC)

• Power consumption: < 5 W plus loop power

• Operating temperature: -25°C to +70°C

• Storage temperature: -40°C to +85°C

• Relative humidity: 5% to 95% non-condensing

• Protection: IP20 for internal installation

• Mounting: DIN rail or panel mounting options

Applications

The RAI-16xe 329714 is suitable for a broad range of analog measurement applications:

• Engine monitoring: temperature, pressure, and vibration sensors

• Fuel and lube oil systems: flow and level measurement

• Cooling water systems: temperature and pressure monitoring

• HVAC systems: temperature and humidity sensing

• Tank level monitoring for ballast, fuel, and cargo

• Process measurement in offshore facilities

Installation and Configuration

The RAI-16xe is designed for easy installation in control cabinets. DIN rail mounting simplifies placement alongside other automation components. Field wiring connects to pluggable terminal blocks, allowing for rapid installation and future maintenance. Configuration is performed using a PC-based software tool, which enables channel parameter assignment, scaling, and communication setup. The configuration can be stored and loaded for quick deployment of multiple modules.

Certifications

The RAI-16xe is manufactured under ISO 9001 quality management systems and complies with CE requirements for industrial control equipment. The module is suitable for integration into systems requiring classification society approvals including DNV, ABS, Lloyd’s Register, and Bureau Veritas. Certificates are available upon request for specific applications.

Reliability and Service Life

Designed for continuous operation in demanding industrial environments, the RAI-16xe utilizes industrial-grade components selected for long service life. The module has no user-serviceable internal components, reducing maintenance requirements. Mean time between failures is specified for extended operation. Kongsberg provides technical support and spare parts to maintain system availability throughout the equipment lifecycle.