MITSUI ZOSEN 3S300B MARINE TELEGRAPH CONTROL MODULE

MITSUI ZOSEN 3S300B is a marine engine telegraph control board for Mitsui Zosen bridge-engine room propulsion command and monitoring systems, widely used on older vessels with Mitsui Zosen ship propulsion telegraph systems. The telegraph control module receives command orders from wheelhouse telegraph handles, converts mechanical/serial order signals into digital data and transmits the commands to engine room telegraph units, alarm loggers and engine control equipment. The telegraph control module handles ahead, astern, stop, engine speed command signals, performs order comparison and mismatch alarm generation when bridge and engine room orders do not match. The telegraph control module outputs command signals to the telegraph logger printer for permanent voyage operation recording, complying with marine safety requirements. The telegraph control module has embedded self-diagnosis function to detect communication failure, power fault and internal circuit abnormality, and trigger visual/audible alarm.

MITSUI ZOSEN 3S300B adopts conformal coated Eurocard PCB design for rack mounting inside wheelhouse or engine control room consoles. The marine circuit board has LED status indicators for power supply, telegraph order status and communication fault for fast local troubleshooting. The marine circuit board integrates EMC filtering to suppress electrical noise interference from ship low voltage power networks. The marine circuit board is tested to IEC 60945 marine environmental standards, capable of continuous 24/7 operation under engine room vibration, high humidity and temperature fluctuation. The marine circuit board is a legacy spare component for retrofit and maintenance of Mitsui Zosen marine telegraph systems.

MITSUI ZOSEN 3S300B is widely fitted onboard cargo ships, tankers and general merchant vessels with Mitsui Zosen propulsion telegraph command systems. The industrial spare part can replace defective telegraph control boards to restore bridge-engine room order transmission, order mismatch alarm and logger recording signal output rapidly. The industrial spare part matches original mechanical and electrical specifications for direct rack plug-in replacement. The industrial spare part has clear part marking for fast identification and stock management. The industrial spare part reduces vessel downtime during propulsion telegraph console overhaul and marine safety equipment inspection.