The R.A.Sh.B.M. Co. the Vital marine control/safety & monitoring system’s product owner (ZMZ0025xx series), based
in the D.M.C. (Dubai Maritime City) and deliberately is active to produce the intelligent marine use automation systems,
including the Electro-Hydraulic Crane’s Remote Control & Safety System.
This system is comprising of the extendable 7″ basic SIEMENS HMI(s) and the wise core of the SIEMENS PLC (the marine approved type) 1217c as the central processing unit.
The newly released (Crane Safety/Controller V_16) of the “CHC-ZMZ-002586” is recently ordered by the owner of the Lila-Group company, the M/V-“Lila Piraeus” on the marine multi-purpose cargo vessel (33,500 DWT).
The HMI is tailor-made and manipulated for the Crane-Operator and Crane-Engineer use to monitor the on-going process, editing the parameters, adjusting the parameters related to the Encoder, Joystick-Levers and Output Proportional Valves; Moreover, many other useful data, including the RPM of the hoisting and luffing winches, the paying-out & heaving-in lengths in meters, crane static and dynamic load and etc. are at the disposal of the staff on HMI.
==>The Electro-Hydraulic Crane, here is consisting of the “Open-Loop” type hydraulic circuit, comprising the variable pitch displacement pump (Parker), hydraulic hoist, luff and slewing motors and gearboxes; moreover the movements are being controlled via a triplex set combined proportional valve and Speed-Torque-Control (STC) valves located on.
The joystick command are being processed by the PLC and essential output signals are being produced and presented in the Proportional Amplifiers; the outputs of the amplifiers are driving the proportional valve and the “Hoist Slack Wire” Limit Switch, the hoist and luffing “Encoders” and the pressure and temperature transmitters, including the oil level transmitter are acting as the feedbacks of the system to monitor the process by PLC and generate the imperative safety signals to control the crane in the several directions.
In the video below, I’ve tested the safeties concerning the class surveyor (RINA) to remove the previously initiated N.C.(s) due to lack of safety over the crane and presently have been established.