MG-800 Governor Modification Plan for
OPTION 1 : MECHANICAL EPLFeatures

System Configuration

Unnecessary to modify Governor
Recording device is not required
Certain time required for EPL override andrecovery
Staff setting errors may happen during EPL
override and recovery
Available for Controller series

OMM

MG 800 GOVERNOR SYSTEM

GOVERNOR CONTROL UNITDATAADDRESS
016000

LIMIT FUNCTIONSCAVEN. LIMITFUNCTION

005
SETTING SPEED(POS. 1)006

SETTING SPEED(POS. 2)

001

002

0.0

SETTINGACTUATOR POSITION
004
ACTUATOR MOTOR
SPEED ORDER

014

PID007SETTING SPEED(POS. 3)

READ
WRITE

WRITE ENABLE

015000PASSWORD
UNPROTECTEDACTUALACTUATOR POSITIONTORQUE LIMITFUNCTION

009
SPEED F.B. (MAIN)

MAX. LIMIT 099

003

010ENT.

MIN. LIMIT 098

SPEED F.B. (SUB)** : TENKEY ADDRESS

0READ
MODE

WRITE
MODE

ERROR CODE ADDRESSCONTROL CONDITION
000 ACTUAL SPEED
001 SETTING SPEED
002 SPEED DEVIATION
003 ACTUAL ACTUATOR POSITION
004 SETTING ACTUATOR POSITION

030 ACTUATOR FAIL. 1031 ACTUATOR FAIL. 2032 GENERAL ALARM
033 POWER SOURCE FAIL.
034 PICK UPABNORMALCPU HARDLAMPTESTINDEXHIGH GAINNORMALHIGHGAIN

INDEX

DIRECTTESTPARAMETERDATA

ADDRESS0.000
ADDRESSSELECTN
ENORMAL

NBS789R456W

EXTENSION
READ1WRITE

WRITE ENABLE

23CDE0ERROR CODE ADDRESSLAMPTESTN30 ACTUATOT FAIL 1N31 ACTUATOT FAIL 2
N32 DISCONNECTION
N33 POWER SOURCE FAIL
N34 PICK UP

CAUSE
RESET

CONTROL CONDITION MONITOR
N00 [rpm] ENGINE SPEED [ACTUAL]
N01 [rpm] ENGINE SPEED [ORDER]
N02 [rpm] SPEED ORDER
N03 [mm] ACTUATOR POSITION [ACTUAL]N04 [mm] ACTUATOR POSITION [ORDER]

GOVERNOR CONTROL UNITDATAADDRESS
012

016

SCAVEN. AIR
PRESSURE000

LIMIT FUNCTIONSCAVEN. LIMITFUNCTION

005

SETTING SPEED(POS. 1)SETTING SPEED(POS. 2)006001

002

014

PID
007

SETTING SPEED(POS. 3)0.0

SETTINGACTUATOR POSITION
004
ACTUATOR MOTOR
SPEED ORDERREAD
WRITEWRITE ENABLE

015000PASSWORD
UNPROTECTEDACTUALACTUATOR POSITIONTORQUE LIMITFUNCTION

009

SPEED F.B. (MAIN)

MAX. LIMIT 099

003010ENT.

MIN. LIMIT 098

SPEED F.B. (SUB)** : TENKEY ADDRESS0CONTROL CONDITIONREADMODEWRITEMODE

ERROR CODE ADDRESS

000 ACTUAL SPEED
001 SETTING SPEED
002 SPEED DEVIATION
003 ACTUAL ACTUATOR POSITION
004 SETTING ACTUATOR POSITION

030 ACTUATOR FAIL. 1031 ACTUATOR FAIL. 2032 GENERAL ALARM
033 POWER SOURCE FAIL.
034 PICK UP

LAMP
TEST

CPU HARDLAMPTESTCONT. MODE

ABNORMAL

HIGHGAINNORMALPICKUPACTUATORNORMALGENERAL ALARM

HIGH GAIN

POWER SOURCE

CAUTION

VIT CONTROL

1. "MAX. LIMITER (TENKEY ADD. 099)" OF GOVERNOR MUST BE SETLOWER THAN MECHANICAL STOPPER WITH ENGINE
2. WHEN TURNING OFF THE CONTROL UNIT. TURN OFF THE ACTUATORDRIVE UNIT AT THE SAME TIME.
3. IF ANY ABNORMAL CONDITION OCCURS. PROCEED AS FOLLOWS:1) CHECK ERROR CODES IN TENKEY ADDRESS [030] TO [034].
2) TROUBLESHOOT ACCORDING TO THE MAINTENANCE INSPECTION PROCEDURES.

VIT CONT. ACTIVECONDITIONSTOPMAX. LIMITTORQUE LIMITSTART
FUEL RUNSCAVEN. LIMITSLOW DOWN

MIN. LIMITSHUT DOWN

LIMIT CANCELMODEL MCG CONTROL UNITCONT. MODEHIGHGAINNORMALACTUATORNORMALGENERAL ALARM

HIGH GAIN

VIT CONT. ACTIVE$CONDITION
MAX. LIMITSTOPSTARTTORQUE LIMITFUEL RUNSCAVEN. LIMITSLOW DOWN

MIN. LIMITSHUT DOWN

LIMIT CANCEL

Software/Hardware
modifcation not required

MCG-3xx

VIT CONTROL

1. "MAX. LIMITER (TENKEY ADD. 099)" OF GOVERNOR MUST BE SETLOWER THAN MECHANICAL STOPPER WITH ENGINE
2. WHEN TURNING OFF THE CONTROL UNIT. TURN OFF THE ACTUATOR
DRIVE UNIT AT THE SAME TIME.
3. IF ANY ABNORMAL CONDITION OCCURS. PROCEED AS FOLLOWS:1) CHECK ERROR CODES IN TENKEY ADDRESS [030] TO [034].
2) TROUBLESHOOT ACCORDING TO THE MAINTENANCE INSPECTION PROCEDURES.

Actuator Position andCommand Feedback

FUEL RUNSLOW DOWN
EXT. SPEED SETCONTROL MODE
NORMALPICKUPCAUTION

Sealing of Mechanical Limiter is required

STARTMIN. LIMITPOWER SOURCELAMPTESTPOWER SOURCE

SEA
L
TAG

CONDITIONSTOPTORQUE LIMITSCAVEN. LIMITDISCONNECTION

Cost vsStaff work load

ABNORMAL

ADDRESSCPU HARDDATA000

PICK UP

MCG-7xx012

SCAVEN. AIR
PRESSURE

AUTO

FUEL LIMITMANUAL MAX. LIMITCPU HARDPICK UPACTUATOR

MCG-4xx

Staff Load*ABNORMAL

MCG-2xxSEAL
DDMMYYY
SR:#####0.0

ACTUATOR
POWER SOURCEREAD
WRITEWRITE ENABLE

DISCONNECTION

FUEL LIMITMANUAL MAX. LIMITNBS789R456W

123CDE0TORQUE LIMITPASSWORD
UNPROTECTEDSCAVEN. LIMITMIN. LIMIT"MANUAL MAX. LIMITER(TENKEY ADD. 099)" OFGOVERNOR MUST BE SET LOWER THAN MECHANICALSTOPPER WITH ENGINE.

LIMIT CANCELCONDITIONSTOPNORMALSTARTINDEXFUEL RUNNORMALINDEXHIGHGAINLAMPTESTCAUSERESETHIGH GAINSLOW DOWNTESTSHUT DOWNERROR CODE ADDRESSCONTROL CONDITION MONITOR

030 ACTUATOR FAIL. 1031 ACTUATOR FAIL. 2032 GENERAL ALARM
033 POWER SOURCE FAIL.
034 PICK UP

000 ACTUAL SPEED
001 SETTING SPEED
003 ACTUAL ACTUATOR POSITION
004 SETTING ACTUATOR POSITION

MG 800 GOVERNOR SYSTEMCAUTIONNORMAL1. “ MANUAL MAX. LIMITER” OF GOVERNORMUST BE SET LOWER THAN MECHANICALSTOPPER WITH ENGINE.
2. WHEN TURNING OFF THE CONTROL UNIT
TURN OFF THE ACTUATOR DRIVE UNIT ATTHE SAME TIME.

FUEL RUN

IN CONTROL

6 5 66 5 5COMMAND
ENGINESPEEDACTUALGOVERNORCONTROL UNIT

43COMMANDACTUATORPOSITION

min-1rpm
min-1rpm

3%LIMITER

FEED BACKMAIN

42MODEABNCPU CONDITION

8%ADJUSTOPTION 2 : ELECTRIC EPLFeatures

System Configuration

Unnecessary to modify Governor
Recording device required
EPL operation time is short
Staff setting errors may happen during EPL
override and recovery

Recording Device
0.00

1/8

100.0001

22/03/16

22/03/16 00:53:07

00:53:07
CARD%

22/03/16 00:10:00

Available for Controller series

OMM

01 A11
DIGITAL SCREEN OFF

PEN PEN
MG 800 GOVERNOR SYSTEM

Staff Load*GOVERNOR CONTROL UNIT

Fuel Index

DATA

ADDRESS
012016SCAVEN. AIR
PRESSURE000

LIMIT FUNCTIONSCAVEN. LIMITFUNCTION

005
SETTING SPEED(POS. 1)SETTING SPEED(POS. 2)006001

002

014

PID
007

SETTING SPEED(POS. 3)0.0

SETTINGACTUATOR POSITION
004
ACTUATOR MOTOR
SPEED ORDER

READ
WRITE

WRITE ENABLE

015000PASSWORD
UNPROTECTEDACTUALACTUATOR POSITIONTORQUE LIMITFUNCTION

009
SPEED F.B. (MAIN)

MAX. LIMIT 099

003010SPEED F.B. (SUB)

ENT.

MIN. LIMIT 098** : TENKEY ADDRESS

0CONTROL CONDITION
000 ACTUAL SPEED
001 SETTING SPEED
002 SPEED DEVIATION
003 ACTUAL ACTUATOR POSITION
004 SETTING ACTUATOR POSITION

Actuator Position andCommand Feedback

030 ACTUATOR FAIL. 1031 ACTUATOR FAIL. 2032 GENERAL ALARM
033 POWER SOURCE FAIL.
034 PICK UPWRITEMODE

ABNORMAL
CPU HARDLAMPTESTCONDITIONSTOPTORQUE LIMITSTARTSCAVEN. LIMITDISCONNECTION

FUEL RUN

MIN. LIMITSLOW DOWN

POWER SOURCE

EXT. SPEED SETCONTROL MODE
NORMALINDEXHIGH GAINNORMALHIGHGAIN

INDEXDIRECTTESTPARAMETERDATA

ADDRESS

0.000ADDRESSSELECTNENORMALNB

S789R456W

EXTENSION
READ1WRITE

WRITE ENABLE

203CDEERROR CODE ADDRESSLAMPTESTN30 ACTUATOT FAIL 1
N31 ACTUATOT FAIL 2
N32 DISCONNECTION
N33 POWER SOURCE FAIL
N34 PICK UP

CAUSERESETCONTROL CONDITION MONITOR
N00 [rpm] ENGINE SPEED [ACTUAL]
N01 [rpm] ENGINE SPEED [ORDER]
N02 [rpm] SPEED ORDER
N03 [mm] ACTUATOR POSITION [ACTUAL]
N04 [mm] ACTUATOR POSITION [ORDER]

LAMPTESTHIGH GAINSTOPSTARTFUEL RUN$MAX. LIMITTORQUE LIMITSCAVEN. LIMITSLOW DOWN

MIN. LIMITSHUT DOWN

LIMIT CANCEL

Cost vsStaff work load

ABNORMAL
CPU HARDPICK UPADDRESSDATA0000.0ACTUATOR
POWER SOURCEREAD
WRITEWRITE ENABLE

DISCONNECTION

FUEL LIMITMANUAL MAX. LIMITNBS

789R456W

123CDE0TORQUE LIMITPASSWORD
UNPROTECTEDSCAVEN. LIMITMIN. LIMIT"MANUAL MAX. LIMITER(TENKEY ADD. 099)" OF
GOVERNOR MUST BE SET LOWER THAN MECHANICALSTOPPER WITH ENGINE.

LIMIT CANCELCONDITIONSTOPNORMALSTARTINDEXFUEL RUNSLOW DOWNNORMALINDEX

HIGHGAINLAMPTESTCAUSERESETHIGH GAINTESTSHUT DOWNERROR CODE ADDRESSCONTROL CONDITION MONITOR

030 ACTUATOR FAIL. 1031 ACTUATOR FAIL. 2032 GENERAL ALARM
033 POWER SOURCE FAIL.
034 PICK UP

000 ACTUAL SPEED
001 SETTING SPEED
003 ACTUAL ACTUATOR POSITION
004 SETTING ACTUATOR POSITION

MG 800 GOVERNOR SYSTEMLOCALOMM

43

COMMANDACTUATORPOSITIONMODE

42ABN

Staff LoadSwitch

F6Mech. Limiter

MAX. LIMITER
Setting
EPL SettingAMS
STOP Position

Switching Limiter from Governor Controller$Cost vsStaff work load

MCG-7xx

F53-2

PEN

Emergency(EPL Override)

F4NormalCondition(EPL Active)PEN

HIGH GAIN

POWER SOURCEVIT CONT. ACTIVE

STOP

MAX. LIMITTORQUE LIMITSTARTFUEL RUNSCAVEN. LIMITSLOW DOWN

MIN. LIMITSHUT DOWN

LIMIT CANCELCAUTION

NORMAL1. “ MANUAL MAX. LIMITER” OF GOVERNORMUST BE SET LOWER THAN MECHANICALSTOPPER WITH ENGINE.
2. WHEN TURNING OFF THE CONTROL UNIT
TURN OFF THE ACTUATOR DRIVE UNIT ATTHE SAME TIME.

FUEL RUN

IN CONTROL

6 5 6
6 5 5

COMMANDENGINESPEEDACTUALGOVERNORCONTROL UNIT

43

COMMANDACTUATORPOSITION

afet

min-1rpm

LIMITER

FEED BACKMAIN

min-1rpm

3%

MODE

42ABN

mmey&CCPU CONDITION

8%ADJUST

ndedonvenien

CAUTION

NORMAL1. “ MANUAL MAX. LIMITER” OF GOVERNORMUST BE SET LOWER THAN MECHANICALSTOPPER WITH ENGINE.
2. WHEN TURNING OFF THE CONTROL UNIT
TURN OFF THE ACTUATOR DRIVE UNIT AT
THE SAME TIME.

FUEL RUN

IN CONTROLGOVERNORCONTROL UNIT

6 5 6
6 5 5

COMMANDENGINESPEED
ACTUAL

43COMMANDACTUATORPOSITION

min-1rpm

3%
LIMITER

FEED BACKMAIN

min-1rpmMODE42ABNCPU CONDITION

8%ADJUSTOMM*OMM - Onboard Managerment Manual
EPL - Engine Power Limitation

CONSULT US(65) 6225 6559 [24/7]|NORMAL

GENERAL ALARM

CONDITION

Seal for Mechanical
Limiter Not required

The EPL is one of the solution which complies with the MEPC technical guidelines for
EEXI "GUIDELINES ON THE SHAFT / ENGINE POWER LIMITATION SYSTEM TO COMPLYWITH THE EEXI REQUIREMENTS AND USE OF A POWER RESERVE"REG NO: NMSSA-2022-G01

ACTUATORVIT CONTROL

1. "MAX. LIMITER (TENKEY ADD. 099)" OF GOVERNOR MUST BE SETLOWER THAN MECHANICAL STOPPER WITH ENGINE
2. WHEN TURNING OFF THE CONTROL UNIT. TURN OFF THE ACTUATOR
DRIVE UNIT AT THE SAME TIME.
3. IF ANY ABNORMAL CONDITION OCCURS. PROCEED AS FOLLOWS:
1) CHECK ERROR CODES IN TENKEY ADDRESS [030] TO [034].
2) TROUBLESHOOT ACCORDING TO THE MAINTENANCE INSPECTION PROCEDURES.

Available for Controller series

Actuator Position andCommand Feedback

F3NORMALPICKUPCAUTION8%

22/03/16 00:10:00

F2LAMPTESTCONT. MODEHIGHGAIN

ADJUST%

DIGITAL SCREEN OFFLAMPTESToperations from Bridge (optional)

100.00

01 A11

CPU HARDCPU CONDITIONCARD

F1ENT.
WRITE
MODE

ABNORMAL

min-1rpm

22/03/16 00:53:07

00:53:07

PASSWORD
UNPROTECTED

READ
MODE

min-1rpm

0122/03/16

WRITE** : TENKEY ADDRESS

0Governor Modification is required

3-1

0.00

1/8

MAIN

READ

WRITE ENABLE
ACTUALACTUATOR POSITION
003

030 ACTUATOR FAIL. 1031 ACTUATOR FAIL. 2032 GENERAL ALARM
033 POWER SOURCE FAIL.
034 PICK UP

3%
LIMITER

FEED BACK

Recording Device(EPL Status)

0.0

SETTINGACTUATOR POSITION
004
ACTUATOR MOTOR
SPEED ORDERERROR CODE ADDRESS

Supports EPL cancel and restoring

1. “ MANUAL MAX. LIMITER” OF GOVERNORMUST BE SET LOWER THAN MECHANICALSTOPPER WITH ENGINE.
2. WHEN TURNING OFF THE CONTROL UNIT
TURN OFF THE ACTUATOR DRIVE UNIT AT
THE SAME TIME.

6 5 6
6 5 5

COMMANDENGINESPEED
ACTUALDATA

000

LIMIT FUNCTION

015

MAX. LIMIT 099
MIN. LIMIT 098

No operator errors for limiter switching*CAUTION

FUEL RUN

014

PID
TORQUE LIMITFUNCTION000010

EPL operation time is very short

Governor Controller
Type: MCG-700 Series

GOVERNORCONTROL UNITfor SFeatures

System Configuration

NORMAL002009000 ACTUAL SPEED
001 SETTING SPEED
002 SPEED DEVIATION
003 ACTUAL ACTUATOR POSITION
004 SETTING ACTUATOR POSITION

Reco

3-1 Non Upgrade needed | 3-2 Upgrade needed

IN CONTROL

001

007

CONTROL CONDITIONMODEL MCG CONTROL UNIT

VIT CONT. ACTIVE

CONDITION

Software/Hardware
modifcation not required

EPL Override Switch(Option)

006

SETTING SPEED(POS. 3)
SPEED F.B. (MAIN)
SPEED F.B. (SUB)NORMALNORMALGENERAL ALARM
POWER SOURCE

ECR

016
SCAVEN. LIMITFUNCTION

005

SETTING SPEED(POS. 1)SETTING SPEED(POS. 2)

CONT. MODEHIGHGAINACTUATORVIT CONTROL

1. "MAX. LIMITER (TENKEY ADD. 099)" OF GOVERNOR MUST BE SETLOWER THAN MECHANICAL STOPPER WITH ENGINE
2. WHEN TURNING OFF THE CONTROL UNIT. TURN OFF THE ACTUATOR
DRIVE UNIT AT THE SAME TIME.
3. IF ANY ABNORMAL CONDITION OCCURS. PROCEED AS FOLLOWS:1) CHECK ERROR CODES IN TENKEY ADDRESS [030] TO [034].
2) TROUBLESHOOT ACCORDING TO THE MAINTENANCE INSPECTION PROCEDURES.

OPTION 3 : FULL ELECTRIC EPLBRIDGEGOVERNOR CONTROL UNIT
ADDRESS012

SCAVEN. AIRPRESSUREPICKUPCAUTION

MCG-3xxiter
chanical Lim
Seal for Me quired
Not reREAD
MODE

ERROR CODE ADDRESSFUEL LIMITMANUAL MAX. LIMITCPU HARDPICK UPACTUATOR

MCG-4xx

F5F3ABNORMAL

MCG-7xx

F2F6

MCG-2xx

F4F1Fuel Rack
position

ENERGY EFFICIENCY EXISTING SHIP INDEXEEXI Compliance

ISSUED: 2022 MARThis controlled document is a property of Nabtesco Marine Asia Pacific Pte Ltd.
Unauthorized reproduction, copying in partial or in whole is strictly prohibited.

nmap@nabtesco.com.sg
www.nabtesco-marine.com.sg

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