LIEBHERR 926320114 RELAY CARD 0002 555 57 00 021 0
LIEBHERR 926320114 is rack plug-in marine deck crane relay output printed circuit board, designed for Liebherr marine deck crane hydraulic automation control system, widely fitted onboard cargo vessels, heavy-lift ships and offshore platforms for emergency circuit switching, safety interlock signal output and machinery fault relay control. This marine relay card receives control commands from the main crane CPU board, drives potential-free relay contacts to activate emergency stop, overload protection, limit switch interlock and alarm circuits for deck crane safety protection. The marine relay PCB integrates multi-channel relay switching circuit, surge protection, watchdog monitoring and status feedback circuit, stores operating parameters and fault history to prevent collision and over-lifting hazards during crane operation. Its relay switching & hardware diagnostics function continuously monitors 24V DC power supply, field control wiring and backplane bus integrity, detects coil burnout, contact degradation and signal loss, transmits relay card fault alerts and crane safety status to vessel AMS alarm console. The relay switching & hardware diagnostics ensures reliable safety circuit cut-off for Liebherr marine deck crane hydraulic automation control system. It enables reliable marine 926320114 relay card operation under heavy vessel vibration and salt mist marine environments.

This Liebherr 926320114 relay card delivers stable marine deck crane relay output printed circuit board performance installed inside vessel deck crane control cabinet. The relay switching & hardware diagnostics adopts marine-grade PCB substrate with EMC shielding against electromagnetic interference and mechanical shock. Marine crane technicians rely on marine 926320114 relay card operation to test relay switching action, verify contact condition and inspect card status during routine maintenance. It adopts rack edge connector plug-in design for straightforward spare replacement and minimal marine deck crane automation system downtime. Internal circuit boards use conformal coating to protect electronic components against salt mist, condensation and temperature fluctuation. It works cooperatively with hydraulic proportional valve assembly, crane main control CPU card and ship integrated alarm monitoring system. It is widely used as relay interface spare hardware for Liebherr marine deck crane hydraulic automation control system maintenance and retrofit projects.