AMF 4.0 AUTOMATIC MAINS FAILURE UNIT USER MANUAL V1.35
Contents
1. measurements Connection Screw socket Phase voltages 2 Measurement Arat Frequency 0 1Hz y Phase currents 2 Charge Excitation 80mA 12VDC Current 160mA 24VDC Housing PPO Polyphenylene oxide 30 Glass Fiber Protection Class IP 52 Front side Weight 600 gr aprox Dimensions WxHxD 192x144x62 mm Panel Cut Out 186x138 mm Mounting Installation Front panel mounted with metal screw fixings DIMENSIONS AND MOUTING 193 ha 7 Dimensions in mm 145 Specifications are subject to change without notice2. Tel 54 11 4629 0600 Fax 54 11 4627 3500 hitp Awww cramelectro com AMF 4 0 AUTOMATIC MAINS FAILURE UNIT USER MANUAL V1 35 AMF 4 0 version 20 Automatic Mains Failure Lad A SA of ont of oJ oQ Off ov o aux DESCRIPTION AMF 4 0 genset control unit provides the functions required in automatic mains failure applications of gensets It can be operated in automatic test and manual modes It contains digital displays providing functions of all analog displays needed in generator panels Device digital displays show 3 phase mains and generator voltages 3 phase generator currents mains and generator frequencies battery voltage oil pressure bar engine temperature and engine hour Generator is monitored constantly and when generator or mains values exceed the limits adjusted in the parameter menu necessary actions are taken and alarm is activated Last ten alarm is recorded in the device memory All operating modes and timings can be adjusted in the parameter menu This flexibility is provided for different kinds of generator applications FUNCTIONS Manual engine starting and stopping Mains monitoring automatic start stop and transfer switch functions True RMS voltage and current measurements Failures monitoring Preheating Manuel automatic and test modes Cost effective digital measurement displays Recording of last 10 failure Engine hour measurement and per
3. current is supplied to charge alternator over 150 ohm resistor 16 Aux Input 1 Multiple function auxiliary input These inputs are activated if it is connected to battery negative If oil sender that have both sender and switch function is used switch terminal must be connected to this terminal Suitable configuration must be set for this input to use it as oil pressure switch input If this input is used for auxiliary input Alarm will be shown as Al in the display at the same time with auxiliary led indication 17 Aux Input 2 Multiple function auxiliary input These inputs are activated if it is connected to battery negative If temperature sender that have both sender and switch function is used switch terminal must be connected to this terminal Suitable configuration must be set for this input to use it as temperature switch input If this input is used for auxiliary input Alarm will be shown as A2 in the display at the same time with auxiliary led indication 18 Aux Input 3 Multiple function auxiliary input These inputs are activated if it is connected to battery negative If this input is used for auxiliary input Alarm will be shown as A3 in the display at the same time with auxiliary led indication 19 Aux Input 4 Multiple function auxiliary input These inputs are activated if it is connected to battery negative If this input is used for auxiliary input Alarm will be shown as A4 in the display at the sa
4. ds panel will switch to off mode Generator Contactor 2 This button is used to transfer load to genset When genset is running this button can be used Led lamp above the button shows contactor status When the led lamp is lit contactor is closed Generator contactor cannot be closed when the mains contactor is closed To close generator contactor you must open the mains contactor first In engine running condition when you press stop button generator contactor will open immediately Mains Contactor 3 This button is used to control mains contactor It cannot be closed if generator contactor is closed Generator Status Led Lamp 4 e Itis off if engine isn t running e It is on if engine is running e It is blinking if genset is in engine stabilization cooling or stopping These topics will be explained later Mains Status Led Lamp 5 e Itis off if mains voltage is outside the limits of preset values e Itis on if mains voltage is inside the limits of preset values e It is blinking in transition times mains failure delay and mains return delay if mains change the state from normal to failure or failure to normal state Alarm Led Lamps 6 From the upper left corner high and low generator speed high and low generator voltage high coolant temperature over current and service alarms From lower left corner start and stop failure low oil pressure charge failure battery voltage failure and auxiliary alarms Detailed descr
5. e is different you can press menu button and change the display in selection mode e If you press this button 3 seconds you will enter the parameter menu In parameter menu you can use menu button to change selected parameter You can change the active digit After all active digits are set last press will write value to parameter memory Detailed information will be given in parameters section Up Down Buttons This button has two tasks These are listed below It is used to select the values in the numerical displays When you press first time led will be lit on the right of the display that is in selection mode If you press second time you can change the value of display that is in selection mode In parameter menu you can press menu button to change selected parameter You can change the number of active digit Running Mode Buttons 9 These are manual hand mark automatic A letter and test buttons These buttons set running mode of genset There is mode indication leds near each of these buttons When panel is in off mode you can press these buttons to wake up panel and genset will run in selected mode REAR CONNECTIONS 123 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 OE A y NOD all L 4 Sos g o Ee ke k re OZAAennwte amp 2 gt 5 5 FE S amp S b 55 o uW aaa Z2Z2eeFTEE FRE Ez ol FFE oozz2 7277784 gt q H 2 DD 0o00 00w52 Z w eri anoogsess ig w FEE TEX xX x ZZzz2 xXxXxXx AS q
6. erature sender tSn message is shown in the display Alarm is activated if condition continues for 4 seconds If analog oil pressure sender usage and analog coolant temperature sender usage parameters are set to 0 sender will be used for display purposes and no alarm is given in sensor failure condition EEProm Failure When this alarm occurs EEP message is written to display and you must call service Genset mustn t be started PARAMETER MENU To enter parameter menu menu button must held down for 3 seconds Password screen is displayed Parameter menu contains 3 separate sections These are operator technician and calibration parameters sections You can give separate password to these sections and enter to these sections by its passwords In parameter section leftmost digit starts to blink If you press up and down buttons you can increase and decrease the value shown in the blinking digit If you want to proceed to digit at one step right menu button must be pressed You can adjust this digit up and down buttons and then you press menu button again If you are in the rightmost digit and you have adjusted this digit you can complete password entering by pressing menu button You can exit menu by holding esc button for 3 second When you enter the parameter menu at the first row of display PO first parameter number is shown At the second row of display value of parameters is shown If you want to proceed to other
7. igurable Input 1 Configurable Input 2 Configurable Input 3 Configurable Input 4 PreheatingRalay Fuel Selenoid NEGATIVE TERMINAL OF BATTERY SHOULD BE GROUNDED FRONT PANEL AMF 4 0 Automatic Mains Failure xO Ok Oil press a Cw Ol O Temp pA B O O L E O O O Q OV OVas OV OVs OV Vir O N X A O Engine hour O Freq MAINS O lt lt GENO oh Critical Level PreHeat Button 1 When genset doesn t start in cold weathers engine can be preheated with this button Button function can be set as button must be held down to preheat or preset preheat time when you press button Preheat button can be used in manual mode and when engine is not running Start Button This button is used to start genset Panel will stop cranking when it detects engine running signals Button function can be set as button must be held down to crank or preset cranking time when you press button Start button can be used in manual mode and when engine is not running Panel will display Str message during cranking Stop Button This button is used to stop the genset When you pressed this button first time panel switched to manual mode and if generator contactor is used before genset is switched to cooling mode If you pressed second time genset stops immediately Second function of this button when you press more than 3 secon
8. ing period doesn t ends Alternator frequency and voltage charge alternator warning lamp signal and oil pressure must be absent If panel detects engine signals after fail to stop delay panel will switch to start stop alarm 8 Generator shutdown Generator is stopped because of a red alarm Generator cannot be started if alarm is not cleared 8 ALARMS Alarms are divided to red and yellow alarms Yellow alarms are for warning purposes and don t stop the generator Red alarms are serious and if occur generator contactor is opened and generator is stopped immediately Ne SS 4 NS Hivi AUX High and low speed RED ALARM If alternator frequency is higher than generator over frequency failure or is lower than generator under frequency failure panel switches to this alarm Alarm is activated after generator frequency failure delay High and low alternator voltage RED ALARM If alternator voltage is higher than generator over voltage failure or is lower than generator under voltage failure panel switches to this alarm Alarm is activated after generator voltage failure delay High coolant temperature RED ALARM If temperature that is read from temperature sender is higher than high coolant temperature level or if temperature switch sends alarm to panel Panel switches to high coolant temperature alarm Over current failure RED ALARM If currents values read from cu
9. iodic service time warning Manuel and automatic control of mains and generator contactors Analog engine temperature and oil pressure measurement capability Adjustable operating modes and timings via parameter menu Analog bar graph engine temperature and oil pressure displays Adjustable measurement calibrations Remote Start INPUT OUTPUTS ALARMS 3 phase mains and generator voltage inputs Engine start stop failure 3 phase generator current inputs Under over speed failure 12 or 24 V battery supply input Under over voltage failure Fuel solenoid relay output Mains contactor relay output Generator contactor relay output Alarm relay output 2 programmable auxiliary relay output 2 programmable auxiliary input Periodic service time warning Auxiliary failure Oil pressure and temperature analog inputs e Over current failure Charge alternator input e High temperature failure Cranking relay output e Charge fail warning Preheat relay output e Low oil pressure failure e e AMF 4 0 CONNECTION DIAGRAM MAINS rl sl tlN GENERATOR A wiem 22 23 24 25 26 27 28 29 13 27 28 2913 30 31 32 33 34 35 Generator Current Inputs AMF 4 0 Generator Contactor Rela Mains Contactor Relay Power Supply Configurable output 1 Default Horn Configurable output 3 Configurable output 2 Default Oil Pressure Switch Default Temperature Switch Conf
10. iption will be given in the following chapters Oil Pressure and Coolant Temperature bar graphs 7 Analog oil pressure and coolant temperatures can be seen in bar graphs In temperature bar graph temperature can be seen from 50 C 112 F to 100 C 212 F In oil press bar graph oil press can be seen from oil pressure failure level to maximum oil press sender level Display Leds These leds are in the right side of numerical displays Leds indicates meaning of the value in the displays Values in the displays can be changed by up down and menu buttons Measuring Mode Button 8 The button selects the displayed values at lower 2 numerical display These displays can show generator voltage and frequency or mains voltage and frequency Esc Button This button has multiple tasks These are listed below e Inalarm condition first press stops the horn and second press clears the alarm e It is used to exit parameter menu For this process button must be held down 3 seconds e Inthe process of changing parameter when you enter invalid values you can cancel by this button Menu Button Enter This button has multiple tasks These are listed below e It is used to select the values in the numerical displays When you press first time led will be lit on the right of the display that is in selection mode If you press up and down buttons before stop blinking you can change the value shown in display If the display that is wanted to change mod
11. larm to panel Panel switches to low oil pressure alarm Charge Failure YELLOW ALARM If charge voltage read from charge alternator warning lamb terminal decreases panel switches to this alarm This alarm doesn t stop generator Battery high and low voltage YELLOW ALARM If battery voltage is higher than battery high alarm level or is lower than battery low alarm level panel switches to this alarm This alarm doesn t stops engine Auxiliary input YELLOW or RED ALARM When an auxiliary input alarm occur This led is lit and Al A2 A3 or A4 message is written to display Al means auxiliary input alarm Mains failure If mains voltage is lower than mains under voltage failure or is higher than mains over voltage failure mains failure occur and in automatic mode generator is started If mains comes to normal condition higher than under voltage return and lower than over voltage return generator is stopped in automatic condition Emergency stop If auxiliary input is adjusted for emergency stop and user presses emergency stop button StP message is shown in the display generator contactor opens and engine stops immediately To clear this alarm user must pull emergency stop button and clear the alarm Sensor failure If cable connected to sender terminal of oil pressure and temperature senders breaks Sensor failure alarm is given For oil pressure sender oSn message and for coolant temp
12. me time with auxiliary led indication 20 Oil Pressure If oil sender that have both sender and switch function is used sender terminal must be connected to this terminal If oil sender that has single oil pressure switch output switch output must be connected to this input Suitable configuration must be set for this input to use it as oil pressure switch or sender input 21 Temperature If temperature sender that have both sender and switch function is used sender terminal must be connected to this terminal If temperature sender that has single temperature switch output switch output must be connected to this input Suitable configuration must be set for this input to use it as temperature switch or sender input 22 23 24 25 Mains Line and Mains line and neutral are connected to these HIGH Neutral Inputs terminals VOLTAGE 26 27 28 29 Generator Line and Generator line and neutral are connected to these HIGH Neutral Inputs terminals VOLTAGE 30 31 32 33 Curent Transformer Secondary side of current transformer must be 34 35 Inputs connected here Each transformer must be connected separately Note Battery negative must be connected to earth RUNNING MODES Automatic Mode If you press automatic button marked A genset will switch to automatic mode In this mode panel controls mains voltages and if mains is outside the limits that you programmed Panel will open the mains contactor and starts the ge
13. nset After engine stabilization time and generator contactor delay load transferred to the generator Panel controls all the engine values to detect possible failures after engine stabilization time If mains come to normal condition mains is controlled during mains return delay for stabilization If mains is normal after mains return delay generator contactor opens and mains contactor closes Genset is stopped after cooling period In automatic mode if panel is in engine off state and detects an engine running signal Panel will stop the engine Test Mode If you press test button at the right side of front panel Genset will be switched to test mode In test mode engine starts immediately After engine stabilization time if parameter test mode is test off load genset wait for mains failure in running condition When mains failure occur mains contactor opens and generator contactor closes In same way when mains returns panel waits mains return delay and switch back to mains If parameter test mode is test on load After engine starting generator contactor closes and genset supply 7 the load If operator wants to stop the engine in test mode panel must be returned to automatic or manual mode In manual mode you can stop the engine by stop button Manual Mode If you press the manual button genset will be switched to manual mode In manual mode all start stop and preheat operations contactor con
14. parameters you can use up and down buttons P0 P1 P2 Maximum parameter number is depends on your entered password operator technician or calibration If you want to change parameter menu button must be pressed at the selected parameter At the third row parameter value is displayed and first digit of value blinks Changing process is same as password entering process By pressing menu button at last blinking digit new value is recorded If you want cancel entering process you can press esc key In return to factory defaults parameters when you press menu button NO message displayed if you press up and down buttons message will switch to YES and NO messages if you press menu button when selection is YES parameters will be returned to factory defaults If you press NO process is cancelled Each return to factory defaults return its own section to factory defaults operator technician calibration If you want exit menu you can press down esc button for 3 second SPECIFICATIONS Powersin 9 35 VDC TEF RUPPY 140 mA all relays are de energized Ambient 10 C 70 C Temperature Relative Humidity 10 95 non condensing Relay outputs For cranking fuel solenoid preheating and auxiliary outputs max 12V 24VDC 6 A For mains and generator contactor relays max 250VAC 10 A Voltage measurement 20 300VAC Frequency 1 99 Hz measurement Current 5 A current inputs current transformer should be used
15. qoenrsx0o055 5 tqataquuwrsa5as5 2u mamonootodteded 22000 lt 4a lt 4 14140F CURRENT TRANSFORMER VA INPUTS O Fy l 5 eR na nere2o gt 20 gt FBZ ee ee ee E if 22 23 24 25 26 27 28 29 30 31 32 33 34 35 CONNECTIONS Terminal No Terminal Name Description 1 Bat Battery positive Voltage must be between 9 30 V 2 Bat Battery negative Battery negative must be connected to earth 3 Com 1 Common terminal of preheat fuel solenoid and cranking relays 4 Preheat Preheat relay 5 Cranking Cranking relay 6 Fuel Solenoid Fuel or stop solenoid relay Operating mode must be selected from parameter menu 7 Com 2 Common terminal of auxiliary relay 1 2 3 8 9 10 Aux Output 1 2 3 Multiple function auxiliary relay outputs Auxiliary output is default horn output 11 Mains Cont Com Input terminal of mains contactor relay Line R of HIGH mains can be connected to this terminal VOLTAGE 12 Mains Cont NC Output terminal of mains contactor relay This output HIGH is connected to mains contactor VOLTAGE 13 Gen Cont Com Input terminal of generator contactor relay Line U of HIGH generator can be connected to this terminal VOLTAGE 14 Gen Cont NO Output terminal of generator contactor relay This HIGH output is connected to generator contactor VOLTAGE 15 Charge Fail Excit Warning lamp output of charge alternator must be connected here In the cranking excitation
16. r status led starts to blink During cranking Str message is shown in the display Oil pressure can rise before engine running so when oil pressure is detected crank disconnected after crank disconnect oil pressure delay 4 Stabilization After generator running signals detected panel waits for engine signals to stabilize After engine stabilization time all alarms are activated 5 Running After stabilization time genset is in running condition If genset in manual and test modes alternator contactor time is waited and alternator contactor is closed In manual mode operator can close the generator contactor by generator contactor button In running mode generator status led is lit 6 Cooling If a stop condition occurs by operator or mains status Generator is switched to cooling period and engine is cooled during cooling time During this time engine status led is blinking If alternator contactor hasn t been closed since last start cooling period is bypassed If mains failure occurs during cooling process generator is switched back to running mode and alternator contactor is closed After cooling process generator is switched to stopping condition 7 Stopping After cooling stage generator switches to stopping stage If fueling system is operating solenoid operating solenoid is de energized If fueling system is stop solenoid selenid energizes until engine stops If one of the engine running signals is detected stopp
17. rrent transformers is higher than over current level Generator contactor is opened and generator switches to cooling After cooling stage generator stops Alarm is activated if condition continues for over current alarm delay Periodic service When periodic service time elapsed after last periodic service Alarm is displayed Only service personnel can reset alarm Fail to start stop If this alarm occurs that means panel couldn t start or stop engine All engine signals must be absent and engine must be still before cranking If one of the engine signals is detected before cranking panel switch to start and stop alarm Panel will show which signal is detected with engine start stop alarm If oil pressure signal is detected before cranking panel will wait for it to decrease to zero If before cranking oil pressure delay is elapsed and oil pressure is not zero panel will switch to start and stop alarm In automatic and test modes if generator couldn t be started after user defined crank attempts panel switches to fail to start stop alarm In engine stopping stage if panel still detects engine signals after fail to stop delay Panel switches to fail to start stop alarm Alarm led lamps indicates which engine signal is still present and causes fail to start stop alarm Low oil pressure RED ALARM If oil pressure that is read from oil pressure sender is lower than low oil pressure level or if oil pressure switch sends a
18. trol fulfilled by panel buttons PANEL RUNNING PHASES 1 Generator is still In this condition engine running signals must be absent These are oil pressure charging alternator warning lamp signal generator voltage and frequency In manual mode panel doesn t react to this signal but in automatic mode panel will try to stop engine If electricity panel of genset has manual control and these are wanted to be used Electronic panel must be switched to manual mode 2 PreHeating In cold weathers preheating of engine can be necessary Engine must be still during preheating If parameter preheating time is not zero preheating is accomplished before starting process by panel 3 Cranking In this stage engine is cranking All engine signals must be absent and engine must be still before cranking If one of the engine signal is detected before cranking panel switch to start and stop alarm Panel will show which signal is detected with engine start stop alarm If oil pressure signal is detected before cranking panel will wait for it to decrease to zero If before cranking oil pressure delay is elapsed and oil pressure is not zero panel will switch to start and stop alarm In cranking stage all engine signals alternator frequency alternator voltage charge alternator voltage and oil pressure is controlled If one of the signals is detected Panel detects engine is running crank disconnects and switch to engine stabilization time Generato
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