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MEC 320 GENSET CONTROLLER

PM079 Rev 0 07/06/08 15 Thomson Technology

General block mode description
When the block mode is selected, the unit is locked for certain actions. This means that it cannot

start the gen-set or perform any breaker operations.

To change the running mode from the display, the user will be asked for a password, before the

change can be made. It is not possible to select ‘block mode’, when running feedback is present.

The purpose of the block mode is to make sure that the gen-set does not start for instance

during maintenance work.

If the digital inputs are used to change the mode, then it is important to know that the input

configured to block mode is a constant signal. So, when it is ON the unit is in a blocked state,

and when it is OFF, it returns to the mode it was in before block mode was selected.

Flowcharts

Using flowcharts, the principles of the most important functions will be illustrated in the next

sections. The functions included are:

•

Mode shift

•

MB open sequence

•

GB open sequence

•

Stop sequence

•

Start sequence

•

MB close sequence

•

GB close sequence

•

Load take over

•

Automatic Mains Failure

•

Test sequence

Alarms are not influenced by block mode selection.

The gen-set can be started from the local engine control panel, if such is

installed. Therefore, Thomson Technology recommends to avoid local

cranking and starting of the gen-set.

If block mode is selected using the display after the digital block input is

activated, the MEC 320 will stay in block mode after the block input is

deactivated. The block mode must now be changed using the display. The block

mode can only be changed locally by display or digital input.

Before the running mode is changed it is important to check that persons are

clear of the gen-set and that the gen-set is ready for operation.

The flowcharts below are for guidance only. For illustrative purposes the

flowcharts are simplified in some extent.

Содержание MEC 320

Страница 1: ...angley BC Canada V1M 3B1 Telephone 604 888 0110 Telefax 604 888 3381 E Mail info thomsontechnology com www thomsontechnology com MEC 320 GENSET CONTROLLER OPERATING MANUAL SOFTWARE VERSION 2 33 X PM07...

Страница 2: ......

Страница 3: ...S 8 APPLICATIONS 9 FLOWCHARTS 15 SEQUENCES 26 5 DISPLAY UNIT AND MENU STRUCTURE 35 DISPLAY UNIT 35 MENU STRUCTURE 39 MODE OVERVIEW 46 MODE SELECTION 47 PASSWORD 48 6 ADDITIONAL FUNCTIONS 50 SHORT TIME...

Страница 4: ...o chapters and in order to make the structure of the document simple and easy to use each chapter will begin from the top of a new page The following will outline the contents of each of the chapters...

Страница 5: ...Additional functions This chapter describes the additional functions of the unit Procedure for parameter setup This chapter deals with the procedure to be followed when the parameters are set up or ch...

Страница 6: ...ges during the installation Once the unit is installed and connected these precautions are no longer necessary Safety issues Installing the unit implies work with dangerous currents and voltages There...

Страница 7: ...ns Being part of the THOMSON TECHNOLOGY product family the standard functions can be supplemented with a variety of optional functions Type of product The Automatic Gen set Controller is a micro proce...

Страница 8: ...n the following paragraphs the standard functions are listed Operation modes Automatic Mains Failure Load take over Engine control Start stop sequences Fuel solenoid selection Relay outputs for govern...

Страница 9: ...to the gen set for operation on generator supply only When the start command is given the gen set will start and synchronize the generator breaker to the mains When the generator breaker is closed th...

Страница 10: ...en the generator is paralleled to the mains it will be controlled so the imported power from the mains will be kept at 0 kW Test mode description Manual mode description kW Start signal Stop signal Ma...

Страница 11: ...is OK and the mains breaker is open When the mains returns the unit will switch back to mains supply and cool down and stop the gen set The switching back to mains supply is done without back Synchro...

Страница 12: ...ator when the mains OK delay has expired Then the gen set cools down and stops Semi auto description When the generator breaker is closed and the mains breaker is opened the unit will use the nominal...

Страница 13: ...ce will continue to be active in the extended stop time period The gen set is stopped without cooling down time Close GB The unit will close the generator breaker if the mains breaker is open synchron...

Страница 14: ...n When the test is completed the unit will return to the selected mode semi auto or auto General manual mode description When manual mode is selected the gen set can be controlled with digital inputs...

Страница 15: ...s the principles of the most important functions will be illustrated in the next sections The functions included are Mode shift MB open sequence GB open sequence Stop sequence Start sequence MB close...

Страница 16: ...6 Thomson Technology Mode shift Start Mode shift enabled Load take over and AMF Yes mains failure Yes initiate AMF sequence Yes mains OK timer timed out initiate mains return sequence Yes END No No No...

Страница 17: ...ER PM079 Rev 0 07 06 08 17 Thomson Technology MB open sequence Start MB closed load take over Yes deload MB Yes load 0 open MB Yes MB opened alarm MB open failure No load too high No alarm Yes END mai...

Страница 18: ...07 06 08 18 Thomson Technology GB open sequence Start stop conditions OK is GB closed Yes No No Soft open Yes failclass shutdown No deload DG Yes load open set point No open GB Yes GB opened Alarm No...

Страница 19: ...08 19 Thomson Technology Stop sequence Start stop conditio ns OK GB open seq OK Yes AUTO mode Yes cooldown timer run out Yes run coil Yes No No No No stop relay No activate stop relay deactivate stop...

Страница 20: ...t start condition OK start prepare timer Yes No No Start relay ON Yes start relay timer timeout genset started No No run feedback detected Yes off relay ON Yes stop relay timer timed out max start att...

Страница 21: ...t is MB open voltage on gen No GB closed Yes back sync ON Yes direct close OK No voltage on mains bus No Yes Yes No GB open sequence No sync MB Yes synchronised close MB Yes MB closed end Yes close fa...

Страница 22: ...Yes No DG freq match BB freq time runout No direct closing OK close GB Yes alarm sync failure Yes GB closed alarm No end Yes single DG application Yes voltage on busbar No island mode Yes voltage on...

Страница 23: ...3 Thomson Technology Load take over Start Activate start input start sequence GB close sequence Mains load 0 kW ramp up genset load No MB open sequence Yes deactivate start input MB close sequence GB...

Страница 24: ...7 06 08 24 Thomson Technology Automatic Mains Failure Start mains failure No 6595 start eng open MB Yes start sequence No open MB Yes open MB start sequence GB close sequence GB close sequence mains o...

Страница 25: ...nology Test sequence Start select test mode start sequence test timer timer run out engine running No freq voltage OK Yes Sync of GB allowed Yes stop sequence Yes engine stopped return to running mode...

Страница 26: ...the semi auto mode the selected sequence is the only sequence initiated e g press the START push button The engine will start but no subsequent synchronizing is initiated The following sequences will...

Страница 27: ...some reason the primary choice is not detecting any running feedback the starter relay will stay activated for additionally 1 second If a running feedback is detected based on one of the secondary ch...

Страница 28: ...079 Rev 0 07 06 08 28 Thomson Technology Running feedback error Run coil Start prepare Crank Primary Running feedback Run coil Start attempts 1 2 tOFF tOFF 3 Secondary Running feedback tOFF tOFF Engin...

Страница 29: ...oltage measurement of 30 UNOM The running detection based on the frequency measurement can replace the running feedback based on tacho or digital input or engine communication Emergency stop Alarm Ala...

Страница 30: ...07 06 08 30 Thomson Technology Stop sequence The drawings illustrate the stop sequence Cooling down time Run coil Running feedback Stop sequence RUN coil tCOOL Cooling down time Stop coil Running feed...

Страница 31: ...mer is adjusted in 6220 Stop failure Output A OA and output B OB in this menu indicate the relay output s that will be activated at a stop failure alarm Breaker sequences The breaker sequences will be...

Страница 32: ...ionality at a mains failure and at mains return Back Synchronization is deactivated The timers used by the AMF function are indicated in the table below Timer Description Menu number tFD Mains failure...

Страница 33: ...onditions for breaker operations The breaker sequences react depending on the breaker positions and the frequency voltage measurements GB On MB On Mains failure detected Gen start seq tFD Gen stop seq...

Страница 34: ...cy voltage OK MB open MB ON direct closing Mains frequency voltage OK GB open GB ON synchronizing Running feedback Generator frequency voltage OK MB closed No generator failure alarms MB ON synchroniz...

Страница 35: ...e not deleted when the auxiliary supply is switched off Moves the cursor left for maneuvering in the menus Increases the value of the selected set point in the setup menu In the daily use display this...

Страница 36: ...AUTO or MANUAL is selected GB TRIP CLOSE Opens the GB if it is closed Closes sync the GB if it is opened MB Opens the MB if it is closed Closes sync the MB if it is opened VIEW Shifts the first line...

Страница 37: ...tched off when the run status timer times out 6150 Running status Gen set is running LED fixed light indicates that the digital input is activated Run LED indicates that the generator is running Gen O...

Страница 38: ...arm inh Indicates alarm inhibit active Power Indicates auxiliary supply ON Alarm Shutdown Flashing Unacknowledged alarms present Fixed Acknowledged alarms present Self check OK Indicates self check OK...

Страница 39: ...u system This menu system is used for setting up the unit and if the user needs detailed information that is not available in the view menu system Changing of parameter settings is password protected...

Страница 40: ...ational status or measurements Measurements relating to operational status Fourth display line Selection of setup and view menus In the view menus various measured values are on display View window co...

Страница 41: ...the text no text is selected in all 3 lines in a window it will not be displayed This is to get a continuous displaying if a window is not to be used It is only possible to configure the view windows...

Страница 42: ...12 View 13 View 14 View 15 Manual selection with key UP or key DOWN push buttons Windows V 2 V 3 View 1 View 2 View 3 View 4 View 5 Changes automatically be tween the 5 first views 1 View 1 Start pre...

Страница 43: ...TUP V3 V2 V1 U SUPPLY 24V SETUP V3 V2 V1 G 439 440 440V f L1 50 02Hz PROTECTION SETUP PROT CTRL I O SYST BACK SEL Etc max 15 The menu navigating starts from the fourth display line in the entry window...

Страница 44: ...Press SEL to enter the underscored menu Setup menu Sub functions for the individual parameters e g limit Possible values in second display line View line second display line configuration For generat...

Страница 45: ...Voltage angle between L3 L1 deg Absolute run time h Relative run time h Next priority shift h and min Fire run Number of GB operations Number of MB operations Next service Setup structure Setup examp...

Страница 46: ...ent running modes and one block mode For detailed information see page 9 Auto In auto mode the unit will operate automatically and the operator cannot initiate any sequences manually Semi auto In semi...

Страница 47: ...2 10 0 2005 01 01 13 45 18 SETUP MENU SETUP V3 V2 V1 1 push MODE MEC 320 V 2 10 0 2005 01 01 13 45 18 SEMI AUTO MODE SEMI TST AUT MAN BLK 2 push BACK or G 0 0 0V f L1 0 00Hz PROTECTION SETUP PROT CTRL...

Страница 48: ...ord level Factory setting Customer Service Master Customer 2000 X Service 2001 X X Master 2002 X X X A parameter cannot be entered with a too low ranking password But the settings can be displayed wit...

Страница 49: ...ot possible to enter the parameters The customer password can be changed in menu 9116 page 115 The service password can be changed in menu 9117 page 115 The master password can be changed in menu 9118...

Страница 50: ...ed automatically after a time delay t Later the mains breaker is synchronized and the generator breaker is opened after the time delay t The time delay is measured in seconds and can be adjusted from...

Страница 51: ...ated alarms and shutdown events will very likely occur Input selection The derate function can be configured to one of the following inputs Input Engine interface selection Analogue input 100 X VDO in...

Страница 52: ...tional The drawing above shows the inverse characteristic The proportional characteristic is illustrated below The gen set is derated when the control value is lower than the set point in the example...

Страница 53: ...ator breaker will open instantly The gen set is stopped instantly The gen set cannot be started from the unit see next table Engine stopped Action Fail class Block engine start Block MB sequence Block...

Страница 54: ...arm the timer will be reset and a new service timer alarm will only reoccur after the adjusted time has elapsed The running hours is counting when the running feedback is present Wire break detection...

Страница 55: ...lated in percent like this VDO 104 oil pressure VDO 105 cooling temp VDO 106 fuel level The deviation is the alarm value entered in percent and the setting is the required alarm setting in ohms Exampl...

Страница 56: ...0 10 0 Point 1 0 5 27 2 1 0 44 9 31 3 1 5 62 9 2 0 81 0 51 5 2 5 99 2 Point 2 3 0 117 1 71 0 3 5 134 7 4 0 151 9 89 6 4 5 168 3 5 0 184 0 107 3 Point 3 6 0 124 3 Point 4 7 0 140 4 Point 5 8 0 155 7 P...

Страница 57: ...uation no alarm 1 7k Alarm situation VDO input 106 This VDO input is used for the fuel level sensor VDO sensor type Type 1 Value Resistance 0 78 8 100 1 6 VDO sensor type Type 2 Value Resistance 0 3 1...

Страница 58: ...in the following menus VDO input 104 Lubricating oil pressure alarm settings in menus 4170 4180 VDO input 105 Cooling water temperature alarm settings in menus 4190 4200 VDO input 106 Fuel level swit...

Страница 59: ...he PC utility software The languages are selected in the system setup 6130 Language The language can be changed when connected to the PC utility software It is not possible to make language configurat...

Страница 60: ...tility software In the PC utility software the language is configured in the Translations menu Activate the menu by pressing the Translations icon see below All configurable entries are indicated in t...

Страница 61: ...nloaded to the unit Select the text to be configured Tacho Write the relevant text here In this example Omdr pr min omdr There is a maximum of 20 characters text The symbol is included and will in thi...

Страница 62: ...operator does something wrong then the status line must indicate it The table below indicates the texts in the status line Status text Condition Comment BLOCK Simple TEST The TEST is activated The gen...

Страница 63: ...f the power derate function is activated and the nominal power set point has been decreased this info will appear Idle run If the Idle run function is active this info will appear to inform the user t...

Страница 64: ...tage is OK after a mains failure this info is shown with the countdown of the timer Mains f OK del s When the mains frequency is OK after a mains failure this info is shown with the countdown of the t...

Страница 65: ...vice menu Available selections Alarm Shows the alarm timer and the remaining time The indicated remaining time is minimum remaining time The timer will count downwards when the set point has been exce...

Страница 66: ...splayed if the cursor is placed below FIRST and SEL is pressed The last event in the list will be displayed if the cursor is placed below LAST and SEL is pressed The keyUP and keyDOWN push buttons are...

Страница 67: ...6082 GB operations Offset adjustment of the number of generator breaker operations Counting at each GB close command 6083 MB operations Offset adjustment of the number of mains breaker operations Cou...

Страница 68: ...through the whole procedure for parameter setup step by step Finding the selected parameter The first step in the parameter setup is finding the correct parameter descriptions All parameter descriptio...

Страница 69: ...mation will be supplied after the table in order to make the individual parameter descriptions as informative as possible Setup At this point of the process you will have located the specific paramete...

Страница 70: ...t B Enable The alarm can be activated or deactivated ON means always activated RUN means that the alarm has run status This means it is activated when the running signal is present Fail class When the...

Страница 71: ...p 77 6150 Running status p 88 6160 Remove starter p 88 Binary input setup 6170 Starter p 88 3260 Dig input no 110 p 78 6180 Start attempts p 89 3270 Dig input no 111 p 78 6190 f U OK p 89 3280 Dig inp...

Страница 72: ...rd setting Factory setting 1021 Overcurrent 1 Set point 50 0 200 0 115 0 1022 Overcurrent 1 Timer 0 1 s 100 0 s 10 0 s 1023 Overcurrent 1 Relay output A R0 none R0 none 1024 Overcurrent 1 Relay output...

Страница 73: ...z 2023 Dynamic sync dU max 2 10 5 2024 Dynamic sync Breaker delay 40 ms 300 ms 50 ms 2030 Static Synchronization No Setting Min setting Max setting Factory setting 2031 Static sync Maximum df 0 00Hz 0...

Страница 74: ...83 MB general fail Relay output B R0 none Option dependent R0 none The general failure alarms cannot be disabled 2090 Breaker failure alarms The fail class of the breaker open and close failure alarms...

Страница 75: ...eq Timer 0 0 s 999 0 s 5 0 s 2123 Breaker seq Run 90 0 RPM 4000 RPM 1450 RPM 2130 Excitation failure No Setting Min setting Max setting Factory setting 2131 Excit failure Timer 0 0 s 999 0 s 5 0 s 213...

Страница 76: ...porary stop ramping up after closing of the generator breaker to preheat the engine before commencing load taking The time duration of this point is determined by the delay time setting If the delay f...

Страница 77: ...ms 2690 Delay regulation No Setting Min setting Max setting Factory setting 2691 Delay regulation Timer 0 s 9900 s 0 s 2692 Delay regulation Output A R0 none R0 none 2693 Delay regulation Output B R0...

Страница 78: ...0 Dig input no 112 No Setting Min setting Max setting Third setting Factory setting 3281 Dig input no 112 Timer 0 0 s 100 0 s 10 0 s 3282 Dig input no 112 Relay output A R0 none R0 none 3283 Dig input...

Страница 79: ...gine failure Enable OFF ON RUN OFF 3325 Engine failure Fail class Alarm 1 Trip MB 6 Shutdown 5 3326 Engine failure Type N O N C N O 3330 Ext emergency stop binary input 117 No Setting Min setting Max...

Страница 80: ...g 2 4110 Oil pressure 1 4 20mA input 100 1 No Setting Min setting Max setting Third setting Factory setting 4111 Oil pressure 1 Set point 0 bar 50 bar 10 bar 4112 Oil pressure 1 Timer 0 0 s 180 0 s 5...

Страница 81: ...Warning 2 4170 VDO 104 1 No Setting Min setting Max setting Third setting Factory setting 4171 VDO 104 1 Set point 0 0 bar 10 0 bar 4 0 bar 4172 VDO 104 1 Timer 0 0 s 100 0 s 5 0 s 4173 VDO 104 1 Rel...

Страница 82: ...s 100 0 s 10 0 s 4223 VDO 106 2 Relay output A R0 none R0 none 4224 VDO 106 2 Relay output B R0 none Option dependent R0 none 4225 VDO 106 2 Enable OFF ON RUN OFF 4226 VDO 106 2 Fail class Alarm 1 Tr...

Страница 83: ...ent R0 none 4383 W fail ana 100 Enable OFF ON OFF 4384 W fail ana 100 Fail class Alarm 1 Trip MB 6 Warning 2 4390 Wire failure analogue input 102 No Setting Min setting Max setting Factory setting 439...

Страница 84: ...Min setting Max setting Factory setting 4431 W fail VDO 106 Max 60 100 100 4432 W fail VDO 106 Min 0 40 0 4433 W fail VDO 106 Output A R0 none R0 none 4434 W fail VDO 106 Output B R0 none Option depe...

Страница 85: ...11 Off delay 0 0 s 999 9 s 5 0 s 5120 Relay 12 The relay 12 is available if Continues is selected in menu 5491 No Setting First min setting Second max setting Third setting Factory setting 5121 Relay...

Страница 86: ...ettings 2 Generator volt 100V 25000V 480V 6025 Nominal settings 2 Set OFF 2 OFF 6030 Transformer gen No Setting Min setting Max setting Factory setting 6031 Transformer gen Volt prim 100V 25000V 400V...

Страница 87: ...or reading the values A breaker operation is counted each time the breaker closes The setting reset kWh counter resets the value of the produced kWh No Setting Min setting Max setting Factory setting...

Страница 88: ...2 6130 Language No Setting Setting Factory setting 6130 Language Selection display 6131 Language English English English Language 1 11 6140 Alarm horn No Setting Min setting Max setting Factory setti...

Страница 89: ...Factory setting 6211 Stop Cool down time 0 0 s 990 0 s 240 0 s 6212 Stop Extended STOP 1 0 s 99 0 s 5 0 s 6213 Stop Coil type STOP RUN RUN 6220 Stop failure No Setting Min setting Max setting Factory...

Страница 90: ...Setting Min setting Max setting Factory setting 6401 Master clock Start hour 0 23 8 6402 Master clock Stop hour 0 23 8 6403 Master clock Difference 0 1Hz 1 0Hz 0 1Hz 6404 Master clock Set point 1 s 99...

Страница 91: ...6520 Start gen set The set point refers to the mains power set points in 6500 Mains power No Setting Min setting Max setting Factory setting 6521 Start generator Set point 5 100 80 6522 Start generato...

Страница 92: ...Start eng Start eng open MB 6600 Mains failure frequency No Setting Min setting Max setting Factory setting 6601 Mains failure f Fail delay 1 0 s 990 0 s 5 0 s 6602 Mains failure f Mains OK delay 10 s...

Страница 93: ...n This menu is used in service situations In the alarm selection you can see all the alarm timers and their remaining time if they are counting The input and output selections show the present status...

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