KONGSBERG RPC420 (Item Number 317114) Remote Panel Controller PCB
I. Basic Identification Information
Full Model: RPC420 Remote Panel Controller
Original Factory Material Number: 317114, Main Hardware Version: Rev.B/Rev.C
System Affiliation: Compatible with K-Chief 600, AutoChief, K-Pos DP complete maritime automation platform, belonging to RIO400 distributed system’s human-machine panel driver motherboard
Core Position: Local operation panel for ships, valve control operation station, propeller control panel, and extended operation console in engine room; responsible for panel button collection, indicator light driving, display screen interaction, and bus communication relay; it is the core PCB control board of the on-site operation panel
Hardware Core Functional Architecture
1. Panel IO Driving Circuit
Button DI Collection: Up to 48 channels of film/ mechanical operation button inputs (valve open/close, pump start/stop, mode switching, mute, reset, etc. operation buttons), with anti-shake filtering, broken line LFD fault detection
LED Light DO Driving: Multi-channel grouped high-power indicator light output (operation, fault, open position, closed position, alarm status lights), single-channel constant current driving, compatible with red, green, and yellow shipboard indicator lights
Display Screen Interface: Supports LCD code screen / small TFT operation display, transmission of valve position values, temperature pressure, operation status text information
Sound and Light Alarm Output: Beeper, alarm horn driving circuit, software分级 silence， delay mute
2. Local Logic Calculation
On-board independent embedded processor， capable of executing simple local interlock logic； when the bus is disconnected and separated from the main control， it can maintain the basic manual operation mode to ensure the local control of key valves and pumps does not collapse.
Dual Redundant SPBus System Bus Communication
SPBus (Serial Process Bus) private RS485 Manchester bus
Transmission Rate 2Mbps， A/B dual bus hot standby redundancy， single bus disconnection， the panel can still operate normally and provide status feedback
9-pin D-Sub Isolation Interface， 500V electrical isolation， resisting strong electromagnetic interference from engine room frequency converters and propellers
Upstream Connects RAIT400 Computing Controller， RCU501 System Master Controller， bidirectional transmission of operation instructions and equipment feedback status
Local Debug Serial Port： Used for panel address setting， button light configuration， firmware upgrade， fault log reading， screen display configuration
Electrical Power Supply Parameters
Standard Marine Power Supply： 24VDC wide voltage 18–32VDC
Overall Static Power Consumption ≈ 5.5W； Peak Load Full Lamp Brightness ≈ 12W
Protection Mechanism： Power reverse connection， surge， overvoltage， hardware watchdog； automatic switching to preset local safe operation mode in case of communication loss
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