KONGSBERG RDIOR400 600950 Input/Output Module

KONGSBERG RDIOR400 (Part Number 600950) Remote Digital Input/Output and Relay Module
I. Basic Identification Information
Full Name: RDIOR400 Remote Digital Input/Output and Relay Module
Original Factory Part Number: 600950, Main Firmware Versions: Rev.A2 / 3.1.0 / 3.1.1 / 3.2.0
System Affiliation: Kongsberg RIO400 Distributed IO System, Compatible with K-Chief600 Engine Room Monitoring, K-Pos DP Dynamic Positioning, AutoChief Remote Control, Offshore Platform Process Automation Control Platform
Location: Large-capacity fully software-configurable switch quantity station, 32 channels freely switchable DI digital input / DO relay output, with isolation drive, is the main large-capacity digital IO expansion unit for RAIT400 controller

Hardware Specifications of 32 Channels
1. DI Digital Input (Software Assigned Channels)
Loop Standard Voltage: 24VDC ±20%
Conduction Current > 3mA, Open Circuit Leakage Current < 0.5mA; Compatible with Passive Dry Contacts (Valve Limit, Pressure/Temperature Switches, Emergency Stop Button)
Single-channel Photoelectric Isolation, Built-in LFD Open Circuit Detection, Ground Short Fault Diagnosis
Maximum Response Pulse Frequency: 10ms (100Hz)
2. DO Digital Relay Output (High Side HSD Drive)
Drive Load: 24VDC Loop, Single-channel Rated 1A, Short Circuit Trip Current ≈ 1.4A (Software Reset Unlock)
Off-State Leakage Current ≤ 2mA; Relay Isolation Voltage 500V
Communication Loss Can Be Pre-set Fault Safety State (Keep / Open / Close), Compatible with ESD Safety Interlock Circuit
Terminal: 2.5mm² Screw Fixed Terminal, Torque 0.4–0.5Nm

SPBus Dual Redundant Bus Communication
Dual Isolated SPBus (RS485 Manchester Bus)
Transmission Rate 2Mbps, Dual A/B Bus Hot Standby, Single Bus Breakout Module Continues Operation
Interface: Dual 9-pin D-Sub Male Connectors, Photoelectric Isolation Voltage 500V, Isolated from Ship Ground Loop Potential Difference
Upstream Connects to RAIT400 Computing Controller, RCU501 Main Controller; Downstream No Expansion Sub-modules, Self-integrates All 32 Points
Debug Interface: Built-in RS232 Serial Port, Used for Local Configuration, Firmware Upgrade, Fault Log Reading
Real-time Data: Upload All Channel Status and Fault Codes to Central Control HMI Screen at Millisecond Level

Electrical Power Supply Parameters
Power Supply from SPBus Bus: 10~28.8VDC (Standard Marine 24VDC)
Power Consumption: Full DI Full Load ≈ 6W; Full DO Full Load ≈ 768W (Total Load Supplied by External 24V Power Supply)
Protection: Power Reverse Connection, Surge, Internal Hardware Dual Watchdog; Single Channel Short Circuit Will Not Cause Board Shutdown Lockup