Monday, 09 December 2019
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Fuel Consumption Monitor

Fuel Consumption Monitor


Machinery Monitoring and Control System


The MMCS Machinery Monitoring and Control System is the perfect automation solution for medium to large size vessels. It can be used as a stand–alone Machinery Control and Monitoring System as the present Fuel Consumption Monitoring System, or the MMCS can be extended with Bunker Monitoring, Power Management, Cargo Control, Propulsion Control, Integrated Navigation and Dynamic Positioning functions.


The MMCS Ship Automation System is the most reliable and field proven automation system as can be found on the market because of the following facts:

  • Operator Workstations built–up with Marine Personal Computers under Windows 7 (WES7) operating system and redundant Ethernet link. Solid state disk is applied instead of hard disk. Main and Back–up Workstation to further ensure safety and reliability.
  • Distributed Processing Units built–up with Control Processors, I/O Modules and Serial Link Isolators. A Control Processor is equipped with a redundant Ethernet link. Each I/O Module has its own isolated sensor supply and earth fault detector. A Serial Link Isolator can be connected to external equipment with a serial communication link.
  • Whole system inter–connected by redundant Ethernet link. Cabling with Star topology or Ring topology or a combination of Star and Ring topology.
  • Whole system operating directly on 19–32VDC power supply and all components have low power consumption.
  • Uninterruptable Power Supply providing fail safe 24VDC output.
  • Programming in accordance with international PLC programming standard IEC61131–3 (ST).
  • Type approved by all major class classification societies




Martechnic’s Fuel Consumption Monitor is a modular system which by design is capable to monitor multiple engines and fuel types on ship. The complete story is available in this slides presentation:


Fuel Consumption Monitor
Read more in our slides presentation..



Typical FOTS


For better clarity and as basis for pre-sales discussions with our engineers, you may find here an end-to-end layout of a marine fuel oil treatment system



View on–screen or download...

Operator Workstations


An Operator Workstation consists out of a TFT colour graphic screen, Operator Keyboard with Trackball, Marine Personal Computer and optional Printer. The Operator Workstation provides a reliable and user–friendly operator interface to ensure safe operation.


The Operator Workstations are connected to each other via a redundant Ethernet link based upon UTP and/or S/FTP cabling.


Two Operator Workstations, called the Main Server and the Back–up Server, are communicating via the redundant Ethernet link with the Control Processor with I/O Modules (Distributed Processing Units) and to the Extension Alarm System. This ensures a full redundant lay–out.


Client Operator Workstations communicate with either the Main Server or Back–up Server Operator Workstation via the redundant Ethernet link. TFT colour graphic screens are available in various sizes. Popular sizes are:

  • 17" and 19" with 4: 3 ratio
  • 22" and 26" widescreen with 16:10 ratio


The Operator Keyboard with Trackball includes the following selection keys:

  • Alarm summary page
  • Group page
  • Graphic page
  • EAS page
  • Acknowledge alarm
  • Stop Horn


The Operator Workstations are extremely reliable and service friendly resulting in a very high MTBF because of the following facts:

  • Windows 7 (WES7) operating system and MMCS software installed on Compact Flash card.
  • Software updates easily executed by exchanging the Compact Flash card
  • Very low heat dissipation of the Marine Personal Computer (25W).
  • The Marine Personal Computer case is small (L=263mm, W=217mm and H=60mm) so it is much better resistant to vibrations and much easier to install.
  • The Marine Personal Computer, Printer and TFT screen are operating directly on 24VDC and are fed by the UPS.


Distributed Processing Units


Control Processors with I/O Modules and Serial Link Isolators (also called DPU) are mounted on a DIN rail; close to machinery, sensors and actuators to minimize cabling.


The Control Processor is connected to the redundant Ethernet Link for communication with the Main and Back–up Server Operator Workstations and for communication with other Control Processors.


Each I/O channel on an I/O Module has a LED indication and a channel identification text window. This can be used for back–up and local read–out of alarms and status.


Each I/O Module is equipped with an isolated sensor supply in order to feed sensors. In addition, the I/O Module contains an earth fault detector.


A Control Processor with I/O Modules fully executes control, alarm and monitoring functions even when no Operator Workstation is connected. Programming of control functions is done via the programming language PAL1131 which is in accordance with international PLC standard IEC61131–3 (ST).

Sensors and actuators are directly wired to the detachable terminal strips on the I/O Modules.


Fuel Consumption Monitoring

  • Actual fuel consumption (from Flowmeters)
  • Historical Logging (actual fuel consumption)
  • Fuel consumption per voyage
    (as a system upgrade option, based upon the tank level measurement)

Fuel Consumption Monitor Layout

The following I/O Modules are available

  • Digital Input I/O Module
  • Digital Input and Relay Output I/O Module
  • Analog Input I/O Module
  • Mixed I/O Module with Analog Outputs
  • Configurable Inputs and/or Outputs (AI, AO, DI, DO, PI)
  • PMS I/O Module


Each Control Processor supports up to eight I/O Modules. In addition, up to 4 Serial Link Isolator modules can be connected to the Control Processor for communication to serial link devices. Serial interface links will be connected via the Modbus RTU or NMEA protocol (other protocols optional). Control Processors, I/O Modules and Serial Link Isolator modules are installed in DPU Cabinets or inside a console on a DPU DIN rail.

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Martechnic Navigation LTD
7 Griva Digeni Str., Limassol, Cyprus
Tel. +30 2104227267

Martechnic KittiwakeHellas Group
120 Syngrou Ave., 11743 Athens, Greece
Tel. +30 2104227267

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