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VAF instruments 667 Instructions For Installation, Operation And Maintenance

Pem4 +spu3 system for t-sense® , tt-sense® and pt2 flowmeters
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667
PEM4 +SPU3 SYSTEM
®
For T-Sense
, TT-Sense
Publication nr
Supersedes
Technical Manual
Instructions for installation, operation and maintenance
®
and PT2 Flowmeters
TIB-667-GB-1121
TIB-667-GB-0918

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Summary of Contents for VAF instruments 667

  • Page 1 Technical Manual Instructions for installation, operation and maintenance PEM4 +SPU3 SYSTEM ® ® For T-Sense , TT-Sense and PT2 Flowmeters Publication nr TIB-667-GB-1121 Supersedes TIB-667-GB-0918...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. PREFACE ..................3 1.1 General ......................3 1.2 Symbols ....................... 3 1.3 Copyright ...................... 3 2. SYSTEM DESCRIPTION ............... 4 2.1 PEM4 Propulsion Efficiency Monitoring System .......... 4 2.2 System security .................... 4 3. TECHNICAL SPECIFICATIONS ............ 5 4.
  • Page 3 7.6.4 Alarms menu ..................34 7.6.5 Signals (raw) menu ................35 7.6.6 Settings menu ................... 36 7.7 Method of calculations ................39 8. MAINTENANCE ................44 9. REPAIR ..................44 TAKE OUT OF SERVICE ............44 REMOVAL AND STORAGE OF EQUIPMENT ......44 MALFUNCTION AND SEND FOR REPAIR ......

  • Page 4: Preface

    The (micro) SD card should not be exposed to computer viruses, since this could contaminate the (micro) SD card. Contamination could disturb good working of the system. For any additional information contact: VAF Instruments B.V. Tel. +31 78 618 3100...

  • Page 5: System Description

    2. SYSTEM DESCRIPTION 2.1 PEM4 Propulsion Efficiency Monitoring System The PEM4 system is a modular propulsion efficiency system. This manual describes the combination of the PEM4 with the SPU3 (Signal Processing Unit). The PEM4 stand alone system is able to calculate torque, speed and power output data.

  • Page 6: Technical Specifications

    DDR3L 800 MHZ, On board flash 2GB, 8bit embedded MMC Flowmeter pulse inputs Number of pulse inputs 12 flowmeters (max. 8 engines/boilers) (backplanes) Input type VAF Instruments PT2 sensor or Namur Max. freq. pulse input 1000 Hz Threshold voltage Maximum pulse voltage 8,2 V Flowmeter temperature inputs Number of temp.
  • Page 7 NMEA input NMEA 0183, used for GPS* (J4) PEM4 is reading following strings: • $--VTG sentence (“speed over ground” - SOG) • $--VBW sentence (“longitudinal water speed” – STW) RS422 (2-wire), Baud rate: 4800, Data bits: 8, Parity: none, Stop bits: Flow control: None (max1200m cable length) ®...

  • Page 8: Safety Instructions

    Drawing 0815-1025 (section 17) PEM4.8 Touch Screen Supply voltage 115-230 VAC to power supply unit Dimensions 218,16 x 162,67 x 46,5 mm (w x h x d) Cut out 167 x 116 mm (w x h) Cut out depth 32 mm Front panel thickness 17 mm Connections...

  • Page 9: Record Pem4 + Spu3 System Data

    Check if the inputs are connected correctly through menu <ALARMS> <Signals(raw)>. In case of any errors the connection(s) or connected equipment(s) should be checked and corrected. 6.1 RECORD PEM4 + SPU3 SYSTEM DATA This information is required when contact the supplier for any reason. SPU3 nameplate: Type No.

  • Page 10: Installation Diagrams Of The Pem4 + Spu3 System

    6.2 INSTALLATION DIAGRAMS OF THE PEM4 + SPU3 SYSTEM The PEM4 + SPU3 system, consisting of SPU3 signal processing unit and PEM4 touch screen, can be ® ® below figures. connected to the T-Sense or TT-Sense stator control box as shown in Figure 2 –...

  • Page 11: Installation Instruction Of The Pem4 + Spu3 System

    6.3 INSTALLATION INSTRUCTION OF THE PEM4 + SPU3 SYSTEM ® The propulsion efficiency monitoring system consists of a SPU3 and a PEM4 touch screen, T-Sense ® or TT-Sense sensors, flowmeters, speed log/GPS/NMEA input and draft/inclino meters will be connected to the SPU3. The SPU3 will perform all calculations and data processing to the PEM4 touch screen.

  • Page 12: Configuration And Connection Of The Spu3

    6.4 CONFIGURATION AND CONNECTION OF THE SPU3 The propulsion efficiency monitoring system is a modular system. Every system is specifically build and programmed. The table “Flowmeter numbers, description and position” at the inside of the SPU3 cabinet, provides information regarding flow meter (TAG) numbers, configuration of the flow meters, speed log or GPS at the SPU3.

  • Page 13: Cable Specifications

    6.5 CABLE SPECIFICATIONS Specification of the input, output and power supply cables used for connecting the PEM4 + SPU3 system. Figure 8 – Specification of input/output cables at Control box, SPU3 and PEM 4 touch screen(s) Number of flowmeters can add up to max. 12 for 8 engines or consumers Optional When used with VAF Datalogger, please refer to SIG 918 for PC settings and connections Pulse and PT100 signals should not be joined within 1 pair...

  • Page 14: Modbus Input For T-Sense And Tt-Sense

    The T-Sense or TT-Sense stator box slave address is factory set by VAF Instruments. 6.7 ANALOGUE INPUT FOR TORQUE-, SPEED- AND POWER It is possible to connect a torque-, speed- and power-meter to the SPU3 system. This torque-, speed and power-meter needs to be equipped with analogue 4–20mA outputs.

  • Page 15: Analogue Or Modbus Input For Shaft Generator

    Make sure that the shaft generator settings in the PEM4 + SPU3 system itself are set correctly. You are able to adjust these shaft generator settings in the PEM4 Settings menu (advanced user only). When 2 passive shaft generator outputs have to be connected to the PEM4 + SPU3 system please contact VAF Instruments.

  • Page 16: Analogue Or Modbus Input For Auxiliary Power

    6.9 ANALOGUE OR MODBUS INPUT FOR AUXILIARY POWER When Auxiliary Engines (AE) are monitored by VAF PT2 flow meters, it is possible to measure the Specific Fuel Oil Consumption (SFOC) of the AE driving the generators. In order to measure the electric power supplied by the generators to the boardnet, 4–20mA signals or Modbus signals representing the power level of the generators can be connected to an input inside of the SPU3.

  • Page 17: Modbus Output To External System

    SPU3 Modbus registers list) or in case your AMS system is programmed for 16 or 32 bit integer input signals, please contact VAF Instruments for additional information. In case more than one (1) SPU3 is connected in the same MODBUS-loop, the slave...

  • Page 18: Modbus Connections

    6.12 MODBUS CONNECTIONS For connection of multiple slaves to J1 and/or J2 Modbus SPU3 master input, following “multidrop” connection and settings need to be taken into account. Figure 9 – Multidrop connection diagram The connection loop needs to be “closed” with termination resistors. In example Figure 9 the termination resistor needs to be placed at the first device (SPU3/master) and at the last connected device (slave n).

  • Page 19: Operating Principles

    7. OPERATING PRINCIPLES 7.1 GENERAL A zero setting procedure is always necessary in order to obtain a correct measurement and reading of ® ® the T-Sense Torque sensor or TT-Sense Thrust & Torque sensor. ® ® For more detailed information see section 6.4 of TIB-661 T-Sense or TIB-664 TT-Sense The PEM4 + SPU3 system is an integrated solution for monitoring engine power, fuel consumption and a wide selection of additional data and indicators.

  • Page 20: Explanation Of Parameters

    7.3 EXPLANATION OF PARAMETERS 7.3.1 Shaft torque ® The shaft torque is measured in the T(T)-Sense rotor part and sent wireless to the control box. The shaft torque output of the control box is connected to SPU3 via RS485 Modbus. *) **) 7.3.2 Shaft speed ®...

  • Page 21: Speed Over Ground (Sog) Via Nmea0183

    7.3.8 Speed over ground (SOG) via NMEA0183 A GPS signal can be connected to the SPU3 through the RS422 port (J4). The ship’s speed over ground is hidden in the NMEA0183 protocol. The PEM4 + SPU3 system will read out the $--VTG sentence (“speed over ground”) and the value will be displayed in knots. No adjustments are needed.

  • Page 22: How To Operate

    7.4 HOW TO OPERATE The PEM4 touch screen is designed in such a way that it is easy to operate and self-explaining. By touching the keys on the touch screen gently the next menu is selected, or specific values can be changed.

  • Page 23: Explanation Of The Menus

    7.5 EXPLANATION OF THE MENUS 7.5.1 Operating menus The PEM4 + SPU3 system is divided into 5 main menu’s: Home, Engine, Propulsion, Alarms, Settings. The first four menus are all relevant system menus for daily use. By touching the relevant keys softly, the specific screen will be displayed.
  • Page 24 The Propulsion menu is divided into 6 submenu’s: • Ship Efficiency • Propulsive Efficiency • Power/Speed diagram • Environment • Averages • Conning The submenus contain indicators representing overall ship efficiency, propeller efficiency and EEOI (Energy Efficiency Operational Indicator). Figure 16 – PROPULSION menu The Alarms menu is divided in 3 submenus: •...

  • Page 25: Settings Menu Users

    VAF authorised representatives. The “Advanced” password is only granted by VAF personnel and VAF authorised representatives. Process control will be interrupted when the PEM4 is in this mode. WARNING: WRONG SETTINGS MAY RESULT IN SYSTEM FAILURE. VAF INSTRUMENTS B.V. WILL NOT TAKE ANY RESPONSIBILITY FOR OPERATIONS CARRIED OUT BY UNAUTHORIZED PERSONS.

  • Page 26: Explanation Of The Menus

    As a standard the PEM4 + SPU3 system is using SI (Metric) units. If applicable the units at the PEM4 touch screen can be set to US standards. Please contact VAF Instruments before delivery of the PEM4 + SPU3 system if you like to switch the units from SI to US standard.

  • Page 27: Engine Menu

    7.6.2 Engine menu The Engine menu is submitting detailed information about the actual and average fuel consumption per consumer, total fuel consumption per engine, actual and average power per engine, total energy consumed and engine efficiency. Engine Consumption submenu Figure 22 – Fuel and Cylinder Oil consumption screen, more Figure 21 –...
  • Page 28 Total Fuel Consumption submenu Figure 24 – Total Consumption screen Figure 25 – Resetting specific values This screen shows the total fuel consumption per engine/consumer and per fuel type in kilograms. You can reset the consumption values - per engine/consumer and per fuel type - for example if you like to use these counters for generating 24 hours fuel consumption values for a noon report.
  • Page 29 Shaft Power submenu Figure 27 – Shaft Power Screen single screw Figure 28 – Shaft Power Screen1/4 twin screw Figure 29 – Shaft Power Screen 2/4 twin screw Figure 30 – Shaft Power Screen 3/4 twin screw Figure 31 – Accumulated Energy Screen 4/4 twin screw Single screw The shaft power submenu for single screw vessels (Figure 27) will show the actual power, the average values over the last 1-4-24 hours and the Total Energy consumed at just one screen.
  • Page 30 Engine Efficiency submenu Figure 33 – Engine Efficiency screen twin screw Figure 32 – Engine Efficiency screen single screw ® When the main engine is driving a propeller shaft line equipped with a T-Sense sensor the SFOC rate will inform you about the Specific Fuel Oil Consumption in g/kWh of this engine. The Engine Efficiency submenu will give you an overview of the amount of fuel consumed per engine and the power delivered at the shaft per engine.
  • Page 31 Engine Diagram submenu Figure 36 – Engine Diagram screen twin screw Figure 35 – Engine Diagram screen single screw ® ® The Engine Diagram displays engine load of the main engine, when a T-Sense or TT-Sense connected to the PEM4 + SPU3 system. The load limit lines of the main engine can be set in the Settings menu.

  • Page 32: Propulsion Menu

    7.6.3 Propulsion menu The Propulsion menu is submitting detailed output data regarding efficiency of the propulsion system. In this menu ship speed is the variable that is compared to fuel consumption, CO2 emissions and power generated by the main engines. In the Environment submenu you can look up the ship’s Energy Efficiency Operational Indicator (EEOI) value, which is an indicator of the CO2 exhaust gas emissions per nautical mile per cargo load unit.
  • Page 33 Power/Speed Diagram submenu Figure 39 – Power/Speed Diagram screen In this submenu the actual power of the main engine(s) is presented in a Power/Speed diagram. The graph shows the Total Propulsion Power of the main engine(s) and the respective vessel speed in Nautical Miles.
  • Page 34 Averages submenu Figure 41 – Averages screen single screw Figure 42 – Averages screen twin screw The Averages submenu indicates the average vessel speed and average torque values. When Speed Over Ground (SOG) and Speed Through Water (STW) are measured simultaneously you will be able to judge if the vessel is sailing with or against the current.

  • Page 35: Alarms Menu

    7.6.4 Alarms menu At the top of the screen you will find a key representing the internal alarm functions. In case the PEM4 + SPU3 system detects an alarm the Alarm key becomes red. An Alarm Message will appear on the Alarm Screen.

  • Page 36: Signals (Raw) Menu

    7.6.5 Signals (raw) menu Within the Alarms menu you will also find the Raw signals submenu, which allows you to monitor the raw ® ® signals coming in from the T-Sense torque sensor or TT-Sense torque and thrust sensor. Also other signals like the pulses and temperature of the flow meters, density, ships’s speed and other sensors.

  • Page 37: Settings Menu

    The Settings menus is accessed through entering the specific code in the Settings screen. User mode code: 1234 Figure 54 – Entering Settings menu screen WARNING: WRONG SETTINGS MAY RESULT IN SYSTEM FAILURE. VAF INSTRUMENTS B.V. WILL NOT TAKE ANY RESPONSIBILITY FOR OPERATIONS CARRIED OUT BY UNAUTHORIZED PERSONS.
  • Page 38 Engine Fuels submenu Figure 56 – Fuel type screen: Automatic fuel selection Figure 55 – Fuel type screen: Manual fuel selection In the Engine Fuels submenu, fuel types per engine/consumer will be allocated. In case two different fuels are allocated to an engine/consumer the system can be switched manual or automatic to the actual fuel the engine/consumer is running on.
  • Page 39 Unifuel systems: When a fuel change-over is done with an Unifuel system, please note that the type of fuel needs to be changed for both (sets of) engines. The standard unit for fuel flow output at the PEM4 touch screen is kilogram. It is possible to read out all fuel consumption measurements in litres instead of kilograms.

  • Page 40: Method Of Calculations

    7.7 METHOD OF CALCULATIONS Shaft power Shaft power is calculated from the measured torque and the revolutions of the shaft. ��∙�� �� = �� ∙ �� ∙ (F1) ���� = Shaft power [kW] = Torque [kNm] = Rotations per minute [rpm] Total energy Total energy is calculated from the integrating shaft power over time...
  • Page 41 Total volume flow �� = ∑ ∆�� (F4) = Total Volume [litres] = Volume from one measurement [litres] Volume flow rate ∆�� �� = (F5) ∆�� = Flow rate [l/sec] = Volume from one measurement [litres] = Sample rate [sec] ��...
  • Page 42 ∆�� = �� ∙ ∆�� (F10) ���� = Mass from one measurement [kg]  = Density [kg/l] = Temperature compensated volume [litre] �� = ∑ ∆�� (F11) = Total Mass [kg] = Mass from one measurement [kg] ∆�� �� = (F12) ∆��...
  • Page 43 Specific Cylinder Oil Consumption rate (S.C.O.C.) �� ∙�������� �������� = (F15) �� SCOC = Specific Cylinder Oil Consumption [g/kWh] = Mass flow rate to M/E lubrication oil [kg/h] = Shaft power [kW] Ship efficiency �� ������ = (F16) �� = Fuel Oil Consumption [kg/Nautical Mile] = Mass flow rate to M/E [kg/h]...
  • Page 44 Total CO2 Emission ∆�� = ∆�� ∙ �� (F19) ������ = ∑ ∆�� ������ (F20) ������ = CO2 Emission [kg] = Mass fuel consumption from [kg] = CO2 conversion factor [kg CO2 / kg fuel] = Total CO2 Emission [kg] ∆��...

  • Page 45: Maintenance

    12. MALFUNCTION AND SEND FOR REPAIR If the PEM4 + SPU3 system stops working completely contact VAF Instruments for instructions. In the event the PEM4 + SPU3 system parts has to be sent back for repair, you can send it directly to: VAF Instruments B.V.

  • Page 46: Trouble Shooting

    15. TROUBLE SHOOTING If the PEM4 + SPU3 system does malfunction, power down the PEM4 + SPU3 system, check all wiring and power up the PEM4 + SPU3 system back again. This will restart the program. No torque signal The connection between the SPU3 and the stator control box is broken •...

  • Page 47: Drawings

    17. DRAWINGS DWG# DWG NAME SPU3 CABINET GENERAL DIMENSIONS 0815-1120 0815-1023 DIM DRAWING PEM4.7 TOUCH SCREEN 0815-2025 CONNECTIONS PEM4.7 TOUCH SCREEN DIM DRAWING PEM4.8 TOUCH SCREEN 0815-1025 0815-2052 CONNECTIONS PEM4.8 TOUCH SCREEN 0815-1026 DIM DRAWING PEM4.10 TOUCH SCREEN CONNECTIONS PEM4.10 TOUCH SCREEN 0815-2053 0815-2020 CONN.
  • Page 48 Drawing 0815-1023 Dimensional Drawing PEM4.7 Touch Screen Drawing 0815-2025 Connection Drawing PEM4.7 Touch Screen...
  • Page 49 Drawing 0815-1125 Dimensional Drawing PEM4.8 Touch Screen Drawing 0815-2052 Connection Drawing PEM4.8 Touch Screen...
  • Page 50 Drawing 0815-1126 Dimensional Drawing PEM4.10 Touch Screen Drawing 0815-2053 Connection Drawing PEM4.10 Touch Screen...
  • Page 51 Drawing 0815-2019 Sheet 1 of 3 Connection diagram T&TT-sense SPU-3 PEM4.x Drawing 0815-2019 Sheet 2 of 3 Connection diagram T&TT-sense SPU-3 PEM4.x...
  • Page 52 Drawing 0815-2019 Sheet 3 of 3 Connection diagram T&TT-sense SPU-3 PEM4.x...

  • Page 53: Abbreviations

    18. ABBREVIATIONS Alarm and Monitoring System Central Processing Unit Engine Control Room EEOI Energy Efficiency Operational Indicator Engine Room Liquid Crystal Display Lower Calorific Value Light Emitting Diode NMEA 0183 National Marine Electronics Association protocol 0183 for serial data transfer PCAP Projected Capacitive PEM4...

  • Page 54: Warranty Conditions

    20. WARRANTY CONDITIONS 1. Without prejudice to the restrictions stated hereinafter, the contractor guarantees both the soundness of the product delivered by him and the quality of the material used and/or delivered for it, insofar as this concerns faults in the product delivered which do not become apparent during inspection or transfer test, which the principal shall demonstrate to have arisen within 12 months from delivery in accordance with sub article 1A exclusively or predominantly as a direct consequence of unsoundness of the construction used by the contractor or as a consequence of faulty finishing or the use of poor...
  • Page 55 4. Defects not covered by the guarantee are those which occur partially or wholly as a result of: A. non-observance of the operation and maintenance instructions or other than foreseeable normal usage; B. normal wear and tear; C. assembly/installation by third parties, including the principal; D.
  • Page 56 Revision 1014(2) Section 17, drawing 0815-2019 corrected Revision 0315 Section 17, drawing 0815-2022 added Revision 0116 Section 3, Technical specifications updated Section 7, Operating information updated conform firmware version 0.3.16 Section 17, Drawings updated Section 18, List of abbreviations updated Revision 0117 Section 3 analog input specs updated Section 6.6 and 6.7 updated with backplane-X...

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