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En i n e Co n t r o l S s t em ECS
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Layout
Network
Different controller software functions
Controller details
Control stations
Tacho system
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En i n e Co n t r o l S s t em ECS
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MOP MOP Main Operati ng Panel Panel – Parameter Handling Alarm Handling Han dling ECS Alarm EICU EICU Engin e Interf Interf ace Con Contr trol ol Unit ECR/Bridge Selection HPS Control C linder Lube Feedrate General Alarm Relay Slow Down Relay Engine Running Mode
ESC
HCU
CCU CCU Cylin Cylin der Contro l Unit Valve control & supervision HCU Valve Speed Governor Local/Remote Selection Shut Down Monitoring
Crankshaft position
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En i n e Co n t r o l S s t em ECS
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• The Multi Multi Purpo Purpose se Cont Control roller lers s are identical hardware wise ESC
functions • 2 redu redundan ndantt contr control ol netw network orks s are are connec ng a u urpose Controllers and both Main Operating Panels • A back backup up of of the the appl applic icat atio ionn- and and setup- software software is is stored stored on both both Main Operation Panels • At replac replaceme ement, nt, a new new contr controlle ollerr is automatically loaded with network(s)
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Eng ngin ine e Con ontr trol ol Sys yste tem m Po w er Su l
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–
-
120 Ω
120 Ω B
B
A
MOP A
EICU
MOP B
A
A
B
Control room Engine room
J65 (A)
J66 (B)
A
B
C
A
B
C
1
2
d l e i h S
1
2
d l e i h S
120 Ω
120 Ω 120 Ω
A
A
A
CCU 1
CCU 2
CCU n
B
B
B
120 Ω
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-
120 Ω
120 Ω B
A
MOP A
MOP B
A
B
Bridge or Engine Control room Engine Control Room or Engine room
J65 (A)
J66 (B)
A
B
C
A
B
C
1
2
d l e i h S
1
2
d l e i h S
120 Ω
120 Ω 120 Ω
A
A
A
A
EICU
CCU 1
CCU 2
CCU n
B
B
B
B
120 Ω
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, Remote Control System ECR/Bridge Selection Speed setpoint relayed to CCU’s Cancelled limiter relayed to CCU’s
ESC
HPS setpoint control according to engine
spee an
oa
Engine Running Mode conomy HCU
m ss s s on ava a e
Fuel injection profile and timing
y n er u r ca ca on ee ra e
General Alarm Relay
Slow Down Command Relay
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, eed Gov Gover ernor nor / Ind Index ex limi limite ter r S eed 3 Governor modes available HCU Valve control & supervision ESC
Fuel injection timing and amount Monitors Shut Down from Safety System
Tacho Monitors Crankshaft position via Tacho signals CCU 1: Engine Side Control/Remote selection Input from scavenge air pressure sensor Powers tacho system A
CCU 2: Powers tacho system B
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CCU, C linde linderr Control Control Unit Unit
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CCU 1
CCU 1
CCU 2
CCU 2
ELFI 1 Pilot Valve
ELFI 2 Pilot Valve
ELFI 3 Pilot Valve
ELFI 4 Pilot Valve
Resistor used for connection supervision
+ 24 Vdc
CCU
ELFI Pilot Valve
CCU ½n
ELFI n Pilot Valve
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CCU, C linde linderr Control Control Unit Unit
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This scr een een gives an Control System Use thi s scr een een to determine whi ch CCU unit. Al arm tex t w il l r efer to e.g. e.g. CCU CCU 2 unit A or B; cyl. 3.
IMPORTANT: On uneven cyl. no. engines, CCU CCU 1 wil l only contr ol cyl. unit 1. , A is i s m os t li kel y t o r efer to cyl. unit 2, but always always check thi s screen screen for correct reference.
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CCU, C linde linderr Control Control Unit Unit
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An exam pl e: Al arm tex t r efer s t o CCU CCU 2 Lubri cator A . In this case unit A is cyl . No. 3.
IMPORTANT: Al ways way s c hec k i ns ert ed screen screen for correct reference.
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Cover with plug Nos. and fuse sizes Network cables LED indicator
’IP 66’ cabinet
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Battery for internal clock
s e h c t i w S P I D
n o t u b h s u p t e s e R
DIP Switches
Fuses
Power Plug
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MPC-10 Prototype
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-
v er s u s
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Mul ulti ti Pur Purpo pose se Con ontr trol olle ler r
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24 VDC, VDC, isolate isolated d s stem, stem, A + B have UPS UPS 2 separate 16 A breakers (A & B) for every MPC
Authorized service ONLY
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The LED LED give giv es infor in formation, mation, eith eithe er as a constant con stant li ght or o r by f lashing. lashing . A flashing LED is a coded message from the controller. The code consists of 2 digits: 1. Digit is given by red flashes on yellow/orange background 2. Digit is given by green flashes on yellow/orange background The 2 digits are separated by a 1 sec. yellow/orange pulse.
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Cont ontrol rol Sta tatio tions ns
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Bridge Control Panel is
connected to EICU ESC
En in ine e Con Contro troll Roo Room m Pa Pane nell is is
connected to EICU
Engine Side Console is
connected to CCU1
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Local Control
Engine Side Console ESC
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Local Control
Engine Side , ESC
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Eng ngin ine e Side Side Con Contr trol ol Station
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Eng ngin ine e Side Side Con Contr trol ol Station ,
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Eng ngin ine e Side Side Con Contr trol ol Station ,
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Eng ngin ine e Sid ide e Con ontr trol ol Sta Stati tion on,, -
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Eng ngin ine e Sid ide e Con ontr trol ol Sta Stati tion on,, -
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There are 2 redundant tacho systems.
ESC
Sys ystem tem A
y s em
Standard is: Angle encoders with one reference sensor on the turning -
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TSA-A TSA-B
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Tach cho o sy system stem
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Semicircular ring
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Tach cho o syst s yste em
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Sensor ti
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Tach cho o sy system stem
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4001-A -
TSA-A
4003-A 4004-A
4001-B
CCU’s
4003-B
TSA-B
4004-B
90 deg ATDC A TDC 0 deg (TDC 1)
Angle encoder A
45 deg ATDC A TDC
Angle encoder B
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Tach cho o sy system stem
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System A (powered from CCU 1) MMA = Marker Master A
TDC 1
Q1B
Q2A
Q1A
MSA = Marker Slave A
MMA 0 deg
Q1A = Quadratur 1A Q2A = Quadratur 2A
MMB 45 deg
S stem B
owered from CCU 2
MMB = Marker Master B MSB = Marker Slave B
MSA 90 deg (Turning wheel Reference)
Q2B = Quadratur 2B
MSB 135 deg
Pos
0-44
45-89
MMB MSA MSB
False False False
True False False
90-134 135-179 180-224 225-269 270-314 315-359 True True False
True True True
True True True
False True True
False False True
False False False
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Option with se sensors nsors at turning tu rning
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Maintenance:
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Maintenance:
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Pre-Start Pre-Start Test and Setting Setting of Fine Adjust Parame ramete ters rs can can be performed indi vidually. vidually. Pre-Start Pre-Start Test: Follow the steps and press do ne after each each item. Use tur ning gear gear and readings readings f rom th e turning w heel. heel.
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Maintenance:
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e ng o ne Parameters:
us
Engine has to be runn ing at mi n 50% 50% rpm. Perfo Perfo rm 0-Diagram 0-Diagram wit h the th e PMI PMI System perfor perf ormed med at 50-60% 50-60% load. Extract TDC values and System and enter them later
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Maintenance:
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Ac cep t t he v alu e or abort the test
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Maintenance:
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Trig Offset AH to b e taken from PMI PMI system.
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Maintenance:
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r es s n es w en Parameter Parameter Setti Setti ng i s Successful
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At fi rs t g iv en o pp or t un it y, when w hen th e eng in e is i s s t op ped, ped , ent en t er th e ext rac t ed TDC valu v alu es f r om PMI Sys tem by th e service terminal :
St e
A c t i on
Ex ec t ed r es u l t
B14. B14. Input of TDC values values fro m PMI PMI – Running-in progr amme Engine stopped. ‘ArcEdit’ program running on MOP and ECS System file for engine opened. A table is displayed containing containing firing sequence and angle for all cylinders.
1
Open Open the path path System System=> => CCU1=>C CCU1=>CCU=> CU=> IO IO Terminal Terminals=> s=> Firin Firing g Sequence Sequence AH.
2
Insert TDC angles for cyl.1->xx from PMI program (TDC.txt). (TDC.txt). Select the value to be chan ed, ress ‘F2’ , and enter the value in De rees .. Press ‘ENTER’ and ‘Yes’ to set TDC an le c l.1 setu . all instances of global parameter.
3
Continue Continue above above proced procedure ure for all all cylinders cylinders,, and select select ‘File’=>’ ‘File’=>’Save Save’. ’.
TDC angle setup for all cylinders in ECS system file.
4
Download Download the updated updated ECS system system file to all MPC’s, MPC’s, see procedu procedure re B5.
TDC setup setup completed completed..
Make Make a perfor mance evaluation evaluation wit h th e PMI PMI system and balance the engin engin e if necessary
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En i n e Co n t r o l S s t em ECS
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Co m p o n en t All CCU’s
Fai l u r e MPC Fails
Pr ec au t i o n
Alarm is released. The remaining cylinders . Connect back up lubrication cable(s) to remaining CCU’s.
Ef f e c t o n E n g i n e Slow down is requested. Fuel and cylinder lubrication injections are lost on 2 . When running longer periods (>½hour) with faulty CCU backup activation signals for cylinder lubricators are available on the other CCU’s. On some engines start performance might be reduced due to loss of injections on 2 cylinders.
CCU 2
MPC a s
As above
If the fault is caused by power failure, tacho signal set B is no onger ava a e o any .
CCU 1
MPC Fails
As above and… In case of Local control swit switch ch to remo remote te cont contro roll ECS or Bridge.
If the fault is caused by power failure, tacho signal set A is no longer available to any CCU. En ine Side Control station is no lon er available. Scavenge Air pressure sensor signal is no longer available which can cause a change in injection timing. Several values on the MOP display will w ill be unavailable.
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En i n e Co n t r o l S s t em ECS
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EICU
MPC fails
Alarm is released.
Continuous operation with no load restriction. The cylinder lubrication Both ECR and RCS Control stations are no longer federate and HPS pressure available. Only ESC can be used in this situation. set point goes to fail safe Set point to and supervision of HPS is lost. The HPS will go values. to failsafe pressure level. Monitor MOP for eventual Connection to ships alarm system is no longer available for any other alarms. ECS alarms are still displayed on MOP. MOP. new alarms.
lubrication will be speed proportional. Several values on the MOP display will w ill be unavailable. .
.
fails MOP
Both PC’s Alarm is released.
Continuous operation with no load restriction. , longer available. General M/E alarm signal is however available.
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En i n e Co n t r o l S s t em ECS
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24V Power Supply
24V Power Supply Complete
Tacho acho Ampl Amplif ifie ierr
One supply The duplicate power fails supply retains power supply. Alarm is released. Over/Under Alarm is released. voltage The power supply is disconnected. Isolation to Alarm is released. ground Failure Unit Unit Fail Fails s Alarms are released from all CCU’s.
Continuous operation with no load restriction.
Continuous operation with no load restriction.
Continuous operation with no load restriction.
Continuous operation with no load restriction.
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MC Ma Mano noe euv uvri ring ng Sys ystem tem
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ME-B Man o eu v r i n S s t em
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All data rovided in these trainin materials is non-bindin . This data serves informational purposes only and is especially not guaranteed in any way. , may be subject to changes and will be assessed and determined individually for each project. This will depend on the particular cha charac racter teristi istic cs of eac each indi indiv vidua iduall ro ect ect es ecia eciall ll s ecif ecific ic site ite and and operational conditions.
