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Under Siemens brand (1217c marine-approved type plc based), the Versatile & Robust control system, well-known as the RCS -ZMZ-002577 ( Azimuth-Thrusters-Control series) remote control system has been produced by R.A.Sh.B.M. company and tailor-made to control the SCHOTTEL brand azimuth thrusters over the #ASD tugboat Tenerife (renovation & retrofit process carried out over the vessel to install an intelligent & cutting-edge-technology based remote control/safety under the SIEMENS brand).

The PORT & STBD sides Schottel brand Azimuth Thrusters are being fully overhauled, relevant seals are being replaced & hydraulic system tested to make sure that internal-leakage for the actuator has been minimized & whilst connecting to the remote control system (ZMZ-002577) the response through the hydraulic-systems to move the pitch of the propeller are enough sharp & on-time.

 

   
One of the most important & influential part of the control system shall be observed as the amplifier card to drive the hydraulic-systems actuators ; herewith and in the present project, the HAWE electro-hydraulic system’s amplifier card has been hired to perform and participate its imperative role to safely control the pitch and acting as an intelligent-automation servo actuator amplifier system.
Moreover, the Rexroth amplifier cards are being hired to trigger the azimuth-thruster ‘s steering system in the full round of the 360 degree.
Both for the azimuth & pitch control systems we’ve manipulated the closed-loop-control by means of the relevant feedbacks.

As a predefined rule, the open-loop-control has been established to control the engines speed via the relevant E/P converters.
As has been witnessed through the characteristics tests and reports over the performance monitoring system, over a very sharp & ground breaking technology which is hired in a German made brand, the response time has been minimized and a hassle-free operation provided for both the CPP & azimuth systems.

Moreover, as an imperative part to a closed loop control system the feedback technologies are one of the most essential parts and to provide a precise feedback over the control loop, the Midori precision positioners in line with the buffer-amplifiers are being perfectly utilized.
All above mentioned parts and circuitries, in conjunction to the SIEMENS brand PLC has performed a cutting-edge-technology to proudly control the SCHOTTEL brand azimuth thrusters in a very safe and sound mode of the operation.