WCU Watch Cabin Unit – LED version

Product positioning

The WCU (Watch Cabin Unit) LED version is a duty cabin alarm display unit designed by KONGSBERG for the Unmanned Engine Room system. It is installed in the living area of the engineers and used for remote display of cabin alarm information.

Communication architecture

Communication method: High speed CAN bus

Superior system: DataChief alarm system MCU

Redundancy capability: Supports redundant configuration, automatically switches to backup MCU in case of main MCU failure

Panel composition (a total of 26 indicator/operating components)

Category Quantity Name

Alarm indicator lights: 15 grouped alarm lights

1 system malfunction light

1 public machinery alarm light

1 communication fault light

1 fault safety light

Call/duty 5 duty engineer indicator lights

1 driver’s call light

1 cabin call light

Operating component 1 buzzer

1 buzzer reset (mute)

1 full light/buzzer test

Expansion interface 1 external buzzer output

1-channel fire alarm input (optional)

Core functions

Alarm replay

16 sets of alarm partition display, customizable grouping according to customer needs

Buzzer+light dual reminder

status indicator

On duty engineer on duty display

Bridge → engine compartment, engine compartment → two-way call indication on the bridge

safety monitoring

Self detection function+Fail safe indication

Real time communication fault alarm

Real time system fault alarm

Debugging operation

LAMP TEST full panel light inspection

Buzzer silence (SOUND OFF)

Technical specification sheet

Parameter values

Supply voltage 18-32 VDC

Power consumption 5 W

Working temperature -15 ° C~+70 ° C

Storage temperature -30 ° C~+80 ° C

Humidity 97% (no condensation)

Protection level IP22

Vibration 1G

Weight 1.4 kg

Appearance dimensions W240 × H144 × D50 mm

Hole size W211 × H138 mm

Installation method: fixed with 4 × M4 screws

Standards and Certification

Environmental standards: IACS E10, IEC 60945

Classification society certification: DNV, LRS, BV, GL, RINA, NK, ABS, KR, RMR, CCS (included in K-Chief certification)

Key issues

Question 1: What is the core role of WCU LED board in ship systems? What would it affect without it?

Answer: The core function is to serve as a remote alarm and display unit for unmanned engine rooms, sending cabin alarms in the form of sound and light to the engineer’s living quarters. Without it, the engineers would not be able to receive timely engine room malfunctions/alarms in the rest area, which would directly violate unmanned engine room safety regulations and result in the ship being unable to pass classification society inspections.

Question 2: What are the communication methods and redundancy mechanisms of WCU? What does it mean for ship safety?

Answer: Communication between CAN high-speed bus and DataChief main MCU is adopted; Support redundant architecture, the system automatically switches to the backup MCU when the main MCU fails. The significance lies in ensuring uninterrupted alarm communication, even if the main control unit fails, the on duty personnel can still receive the alarm, greatly improving the safety and reliability of the cabin.

Question 3: What are the most important safety related indicator lights and buttons on the WCU panel? What are their respective functions?

answer:

The most important indicator lights: Fail safe light+communication fault light, used to indicate system failure or communication interruption, which takes priority over ordinary alarms.

The most important buttons: LAMP TEST+SOUND OFF. Lamp inspection is used to regularly confirm the integrity of the panel, while silencing is used to confirm alarms and stop the sound. It is the core button for daily operations.