The KONGSBERG S30301-NA is a 4-channel isolated serial communication module of the RIO200 series under Kongsberg Maritime. It is used in the K-Chief 600 automation system of ships and offshore platforms to enable the connection of multiple protocol serial devices and redundant communication.
I. Basic Positioning
Model: S30301-NA(Part Number: 603444)
Series: RIO200 Remote I/O Module Family
Purpose: Connect serial devices (navigation, sensors, instruments) to the K-Chief 600 control system
Installation: Standard DIN rail, compatible with modules of the same series
II. Hardware Interfaces
Field side (4 channels):
X1–X4: 4 independent serial port terminal blocks
Each channel can be selected by software: RS-232 / RS-422 / RS-485 / NMEA 0183
Controller side (3 channels):
P1–P3: 3×RJ45, connect 1–3 redundant controllers (A/B/C)
Maintenance port:
P4: USB 2.0, used for configuration, diagnosis, firmware upgrade
Key technical parameters
Power supply: 18–32 VDC (RBUS backplane power supply)
Power consumption: ≤ 6 W
Channel isolation: 500 VDC optocoupler isolation (between channels, between channels and ground)
Baud rate: 300 bps – 115.2 kbps (each channel independently configurable)
Protocol support:
NMEA 0183 (navigation equipment)
Modbus RTU (serial instrument)
Kongsberg proprietary protocol
Free ASCII mode
Operating temperature: −25°C ~ +70°C
Protection level: IP44 (dust and splash protection)
Certifications: IACS E10, CE, RoHS, DNV-GL, ABS, LR classification society certification
Size / Weight: Approximately 100×100×50 mm / 0.5 kg
Typical Applications
Ship engine room automation: Connecting temperature / pressure / level serial sensors
Navigation system: Accessing GPS, compass, depth sounder (NMEA 0183)
Dynamic Positioning (DP): Serial data acquisition of attitude sensors
Offshore platform: Integration of redundant monitoring system serial devices
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