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M-DCM-317A user manual

1. 13 Exerciser on 14 15 16 Oil switch alarm 17 Temp switch alarm 18 Level switch alarm 19 FUEL LEVEL 20 Emerg Stop alarm 21 Spare 1 Alarm 22 Remote start 23 24 Oil sender alarm 25 Temp sender alarm 26 Speed alarm 27 Start fail alarm 28 Charge alarm 29 Overload alarm 30 Voltage alarm 31 Battery High alarm 32 Oil switch warning 33 Temp switch warn 34 Level switch warn 35 Remote start warning 36 Emerg Stop warn 37 Spare 1 warning 38 Remote start warning 39 40 Oil sender warning 41 Temp sender warn 42 Speed warning 43 Stop Fail warning 44 Charge warning 45 Battery low warning 46 47 Battery high warn 20 M DCM 317A User Manual Parameters from P_083 to P_130 program the functions of the digital inputs The programmable properties of digital inputs are action to be taken upon arrival of the fault signal alarm warning etc when the fault monitoring will be enabled latching of the fault signal contact type NO NC switching bat bat response delay LOW OIL PRESSURE SWITCH INPUT Pgm Description Std 83 Operation 0 0 Alarm the engine stops and horn relay operates 2 Warning the horn relay operates 3 No operation 84 Fault monitoring 1 0 Always 1 After holdoff timer 2 When mains present 85 Latching 1 0 Non latching 1 Latching 86 Contact type 0 0 Normally o
2. In this mode the mains phases are not monitored If the REMOTE START signal is present then the mains will be supposed to fail inversely if the REMOTE START signal is absent then mains voltages will be supposed to be present The front panels mimic diagram s mains LEDs will reflect the status of the REMOTE START input The REMOTE START operation overrides SIMULATE MAINS operation When both parameters P_042 and P_050 are set then the REMOTE START operation mode is performed 9 M DCM 317A User Manual 6 2 Sender type Selection The unit has the ability to adapt to any type of oil pressure and temperature senders The commonly used standard sender characteristics are recorded in memory and selectable from a list However non standard senders may also be used by entering their characteristics to the table Oil Pressure Sender Type Selection The oil pressure sender is selected using parameter P_019 The selectable sender types are 0 The sender characteristics are defined in table using parameters P_131 to P_142 1 VDO 0 7 bars 10 180 ohms 2 VDO 0 10 bars 280 20 ohms 3 DATCON 0 7 bars 240 33 ohms 4 DATCON 0 10 bars 240 33 ohms 5 DATCON 0 7 bars 0 90 ohms 6 DATCON 0 10 bars 0 90 ohms 7 DATCON 0 7 bars 75 10 ohms Temperature Sender Selection The temperature sender is selected using parameter P_020 The selectable sender types are 0 The sender characteristics are defined in table using parameters P_143 to P_1
3. However different types of senders are selectable via programming menu Please check the programming section The programmable digital inputs are compatible with both normally open and normally closed contacts switching either to BAT or BAT The charge alternator connection terminal provides also the excitation current thus it is not necessary to use an external charge lamp 3 M DCM 317A User Manual 1 3 Wiring the Unit WARNING THE UNIT IS NOT FUSED Use external fuses for Mains phases R S T Generator phase U V W Battery positive BAT Install the fuses as nearly as possible to the unit in a place easily accessible for the user The fuse rating should be 6 Amps WARNING ELECTRICITY CAN KILL ALWAYS disconnect the power BEFORE connecting the unit 1 ALWAYS remove the plug connectors when inserting wires with a screwdriver 2 ALWAYS refer to the National Wiring Regulations when conducting installation 3 An appropriate and readily accessible set of disconnection devices e g automatic fuses MUST be provided as part of the installation 4 The disconnection device must NOT be fitted in a flexible cord 5 The building mains supply MUST incorporate appropriate short circuit backup protection e g a fuse or circuit breaker of High Breaking Capacity HBC at least 1500A 6 Use cables of adequate current carrying capacity at least 0 75mm2 and temperature range 2 INPUTS AND OUTPUTS RS 232 SERIAL
4. P_059 07 0 Friday morning 07 00 turn on P_060 18 0 Friday evening 18 00 turn off P_061 07 0 Saturday morning 07 00 turn on P_062 13 3 Saturday noon 13 30 turn off P_063 24 0 Sunday no turn on time last operation mode continues P_064 24 0 Sunday no turn off time last operation mode continues If the same time is used for turn on and turn off then it will be considered as a turn on time The unit has a battery backed up precision real time clock circuit The real time clock circuit will continue its operation even in power failures The real time clock is precisely trimmed using the program parameter P_046 For more details check the programming section 14 M DCM 317A User Manual 8 EVENT LOGGING The unit keeps records of the last 12 events in order to supply information for the service personal The events are recorded with a date and time stamp The date and time information comes from the internal battery backed up real time clock circuit of the unit The real time clock circuit will continue its operation even in power failures The real time clock is precisely trimmed using the program parameter P_046 For more details check the programming section The events are stored in a circular memory This means that a new coming event will erase the oldest recorded event The events are only displayed on the PC screen using the remote monitoring and programming software They can not be displayed on the unit The ev
5. DC relay outputs 10A 28 V Max current for each terminal 10A RMS Charge alternator excitation current 54 mA DC 12 V DC Communication port RS 232 2400 bauds no parity 1 stop bit Operating temperature range 20 C to 70 C 4 F to 158 F Storage temperature range 40 C to 80 C 40 F to 176 F Maximum humidity 95 non condensing IP protection IP65 from front panel IP30 from the rear Dimensions 165 x 125 x 48mm WxHxD Mounting opening dimensions 151 x 111mm minimum Mounting Front panel mounted retaining steel spring at the rear Weight 360 g approx Case material High temperature self extinguishing ABS UL94 V0 110 C 28 M DCM 317A User Manual 15 CONNECTION DIAGRAM 29 M DCM 317A Remote start Spare output Fuel level switch
6. PORT This connector provides serial data input and output for various purposes like remote monitoring and remote programming EXTENSION CONNECTOR This connector is intended for the connection to output extension modules The optional relay extension module provides 8 programmable 16A relay outputs The unit allows the use of up to 2 I O extension modules Term Function Technical data Description 1 GENERATOR CONTACTOR Relay output 16A AC This output provides energy to the generator contactor If the generator phases do not have acceptable voltage or frequency values the generator contactor will be de energized In order to provide extra security the normally closed contact of the mains contactor should be serially connected to this output 2 U Generator phase inputs 0 300V AC Connect the generator phases to these inputs The generator phase voltages upper and lower limits are programmable 3 V 4 W 5 GENERATOR NEUTRAL Input 0 300V AC Neutral terminal for the generator phases 6 MAINS NEUTRAL Input 0 300V AC Neutral terminal for the mains phases 7 T Mains phase inputs 0 300V AC Connect the mains phases to these inputs The mains voltages upper and lower limits are programmable 8 S 9 R 4 M DCM 317A User Manual Term Function Technical data Description 10 MAINS CONTACTOR Relay output 16A AC This output provides energy to the mains contactor If the mains phases do not have acce
7. and disable the operation of the genset The existing alarms may be canceled by pressing one of the operating mode buttons LOAD TEST TEST OFF AUTO Most of the alarms have programmable trip levels See the programming chapter for settable alarm limits LOW OIL PRESSURE Set if a signal is detected at the Low Oil Pressure Switch input or the oil pressure value measured from the sender is below the programmed limit Warning P_015 and alarm P_016 limits are separately programmable for the oil pressure sender input This fault will be monitored with holdoff timer P_023 delay after the engine is running Also if the oil pressure switch is open at the beginning of a start attempt then the engine will not be started and the oil pressure led will flash When the oil pressure switch closes normal operation will be resumed HIGH TEMPERATURE Set if a signal is detected at the High Temperature Switch input or the coolant temperature value measured from the sender is above the programmed limit Warning P_017 and alarm P_018 limits are separately programmable for the temperature sender input SPEED Set if the generator frequency is outside programmed limits overspeed Underspeed This fault will be monitored with holdoff timer P_023 delay after the engine is running Different low and high limits for warning and alarm are separately programmable P_008 P_009 P_010 P_011 START FAIL Set if the engine is not running after programmed number of sta
8. time clock speed Values from 0 to 63 speed up the clock with 0 25sec day steps Values from 127 to 64 slow down the clock with 0 25sec day steps 47 Not used 48 Not used 49 Not used 50 Simulate Mains Operation 1 0 Not SIMULATE MAINS mode the engine runs when the mains fail 1 SIMULATE MAINS mode the unit does not monitor mains voltages the engine stops when a signal from the SIMULATE MAINS 22 comes 19 M DCM 317A User Manual The parameters from P_051 to P_064 program the weekly operation schedule feature For each day of week one turn_on time and one turn_off time are provided Times are defined with 10 minute steps and are shown in the 3 digit display as the hours and the first digit of the minutes If no operation is needed for a certain day of week then the related time will be defined as 24 0 thus the last definition will continue to be valid For example if the turn_on and turn_off times for Sunday are given as 24 0 then the unit will not operate automatically from Saturday turn_off time to Monday turn_on time If the AUTO mode is disabled by the weekly operation schedule then the AUTO led will flash otherwise it is steadily on Pgm Definition Unit Std Description 51 Monday turn_on 24 0 52 Monday turn_off 24 0 53 Tuesday turn_on 24 0 54 Tuesday turn_off 24 0 55 Wednesday turn_on 24 0 56 Wednesday turn_off 24 0 57 Thursday turn_on 24 0 58 Thurs
9. warning will be generated This warning will be monitored after delay defined in P_023 when the engine runs 10 High Freq Warning Hz 54 If the genset frequency goes over this limit a SPEED warning will be generated This warning will be monitored after delay defined in P_023 when the engine runs 11 High Freq Alarm Hz 57 If the genset frequency goes over this limit a SPEED alarm will be generated and the engine will stop This alarm will be monitored after delay defined in P_023 when the engine runs 12 Low Battery Voltage Warning V 9 0 If the battery voltage falls below this limit this will generate a BATTERY warning 13 High Battery Voltage Warning V 31 0 If the battery voltage goes over this limit this will generate a BATTERY warning 14 High Battery Voltage Alarm V 33 0 If the battery voltage goes over this limit this will generate a BATTERY alarm and the engine will stop 15 Low Oil Pressure Warning Bar 1 5 If the oil pressure measured from the analog input falls below this limit this will generate an OIL PRESSURE warning This input will be monitored after delay defined in P_023 when the engine runs 16 Low Oil Pressure Alarm Bar 1 0 If the oil pressure measured from the analog input falls below this limit this will generate an OIL PRESSURE alarm This input will be monitored after delay defined in P_023 when the engine runs 17 High Temperature Warning C 90 If the c
10. 139 Point_ resistor Ohm 0 140 Point_ pressure Bar 0 0 141 Point_ resistor Ohm 0 142 Point_ pressure bar 0 0 23 1 2 3 4 5 6 M DCM 317A User Manual Parameters from P_143 to P_154 define the ohm degrees characteristics of the temperature sender The sender characteristics will be defined using maximum 6 points The values should be entered in the increasing order of ohm values For unused points ohm values should be entered as 0 An example table is given below The sensor characteristics used in this table are 38 C 342 ohms 82 C 71 ohms 104 C 40 ohms 121 C 30 ohms Pgm Description Unit Value 143 Point_1 resistor ohm 30 144 Point_ temperature C 121 145 Point_2 resistor ohm 40 146 Point_ temperature C 104 147 Point_3 resistor ohm 71 148 Point_ temperature C 82 149 Point_4 resistor ohm 342 150 Point_ temperature C 38 151 Point_5 resistor ohm 0 152 Point_ temperature C 0 153 Point_6 resistor ohm 0 154 Point_ temperature C 0 24 M DCM 317A User Manual The parameters from P_155 to P_158 define the exerciser operation Pgm Definition Unit Std Val Description 155 Exercise start day and hour 168 This parameter defines the start day and hour of the exerciser Values higher or equal to 168 mean that the exerciser is off The exercise may be selected to start at the b
11. 54 1 VDO 2 DATCON DAH type 3 DATCON DAL type 6 3 Engine Heating Operation Especially on engine without a body heater or with a failing one it may be desired that the genset should not take the load before reaching a suitable temperature The unit offers 2 different ways of engine heating 1 Timer controlled heating This operation mode is selected when the parameter P_037 is set to 0 In this mode the engine will run during parameter P_029 and then the genset will take the load 2 Timer and temperature controlled heating This operation mode is selected when the parameter P_037 is set to 1 In this mode at first the engine will run during parameter P_029 then it will continue to run until the measured coolant temperature reaches the limit defined in parameter P_022 When the requested temperature is reached the load will be transferred to the genset This operation mode may be used as a backup to the engine body heater If the engine body is warm the heating will be skipped 10 M DCM 317A User Manual 6 4 Service Request Display This led is designed to help the periodic maintenance of the genset to be made consistently The periodic maintenance is basically carried out after a given engine hours for example 200 hours but even if this amount of engine hours is not fulfilled it is performed after a given time limit for example 12 months The SERVICE REQUEST led has no effect on the genset operation The unit ha
12. Changing the operation mode while the genset is running will result to a behavior suitable for the new operating mode For example if the LOAD TEST mode is selected when genset is running at TEST mode then the genset will take the load OFF In this mode the mains contactor will be energized if mains phase voltages are within the programmed limits The engine will be stopped AUTO It is used for genset and mains automatic transfer If at least one of the mains phase voltages is outside limits P_004 P_005 the mains contactor will be deactivated The diesel will be started for programmed times P_035 after the wait period P_0026 When the engine runs the crank relay will be immediately deactivated The engine will run without load during engine heating period P_029 After this if alternator phase voltages and frequency are within limits then the unit will wait for the generator contactor period P_032 and the generator contactor will be energized When all the mains phase voltages are within the limits the engine will continue to run for the mains waiting period P_030 At the end of this period the generator contactor is deactivated and the mains contactor will be energized If a cooling period is given P_031 the generator will continue to run during cooling period At the end of the period the fuel solenoid will be de energized and the diesel will stop The unit will be ready for the next mains failure If the operation of the genset
13. HARGE warning and does not stop the engine 1 The charge input generates CHARGE alarm and stops the engine 39 Genset L L Voltages 0 0 Display genset Line to Neutral voltages 1 Display genset Line to Line voltages 40 Mains L L Voltages 0 0 Display mains Line to Neutral voltages 1 Display mains Line to Line voltages 41 Emergency Backup Operation 0 0 In TEST mode the load will not be transferred to the genset even if the mains fail 1 In TEST mode the load will be transferred to the genset if the mains fail 42 Remote Start Operation 0 0 Not REMOTE START mode the engine runs when the mains fail 1 REMOTE START mode the unit does not monitor mains voltages the engine runs when a signal from the REMOTE START 22 comes 43 Modem Connection 0 0 No modem connection the serial port is connected to PC 1 Modem connected 44 Maintenance Period Engine Hours hours 200 The SERVICE REQUEST led indicator will turn on after this quantity of engine hours from the last service If the period is set to 0 no SERVICE REQUEST will be generated depending on engine hours 45 Maintenance Period Months month 6 The SERVICE REQUEST led indicator will turn on after this amount of time from the last service If the period is set to 0 no SERVICE REQUEST will be indicated depending on time 46 Real Time Clock trimming 0 This parameter is intended to trim precisely the real
14. M DCM 317A User Manual METS DIGITAL CONTROL MODULE M DCM 317A FEATURES Automatic mains failure Engine control Generator protection Built in alarms and warnings 3 phase mains voltage inputs 3 phase genset voltage inputs 3 phase genset CT inputs Engine oil pressure measurement Engine coolant temperature measurement Genset active power measurement Genset power factor measurement Periodic maintenance request indicator Daily weekly monthly exerciser Engine hours counter Event logging Statistical counters Battery backed up real time clock Weekly operation schedule programs Field adjustable parameters RS 232 serial port Free MS Windows Remote monitoring SW local LAN IP and modem connection monitoring download of parameters LED displays Configurable analogue inputs 2 Configurable digital inputs 7 Configurable relay outputs 2 Total relay outputs 6 I O expansion capability Remote Start operation available Simulate Mains operation available Survives cranking dropouts Sealed front panel Plug in connection system for easy replacement Small dimensions 165x125x48mm M DCM 317A User Manual TABLE OF CONTENTS Section 1 INSTALLATION 1 1 Introduction to the Control Panel 1 2 Mounting the Unit 1 3 Wiring the Unit 2 INPUTS AND OUTPUTS 3 DISPLAYS 3 1 Led Displays 3 2 Digital Display 4 ALARMS AND WARNINGS 5 MODES OF OPERATION 6 OTHER FEATURES 6 1 Remote start operation 6 2 Sender type sel
15. amming mode can not be entered The program ock nput d sab es programm ng mode entry D sconnect the program ock nput from battery negat ve before mod cat on Do not forget to make th s connect on aga n to prevent unauthor zed program mod cat ons 13 DECLARATION OF CONFORMITY The unit conforms to the EU directives 73 23 EEC and 93 68 EEC low voltage 89 336 EEC 92 31 EEC and 93 68 EEC electro magnetic compatibility Norms of reference EN 61010 safety requirements EN 50081 2 EMC requirements EN 50082 2 EMC requirements The CE mark indicates that this product complies with the European requirements for safety health environmental and customer protection 27 M DCM 317A User Manual 14 TECHNICAL SPECIFICATIONS Alternator voltage 0 to 300 V AC Ph N Alternator frequency 0 100 Hz Mains voltage 0 to 300 V AC Ph N Current inputs from current transformers 5A Max load 0 7VA per phase Digital inputs input voltage 0 30 V DC Internally connected to battery positive via 4700 ohm resistor Analog inputs Resistor input 0 to 5000 ohms connected to the battery negative Sources 10 mA when closed to battery negative Measurement category CAT II Air category Pollution degree II DC Supply range 9 0 V DC to 30 0 V DC Cranking dropouts survives 0 V for 100ms Typical current consumption 100 mA DC Maximum current consumption 350 mA DC Relay outputs open Generator mains contactor outputs 16 A 250 V
16. are set then the REMOTE START operation mode is performed 13 M DCM 317A User Manual 7 WEEKLY OPERATION SCHEDULE In most applications the genset is requested to operate only in working hours Thanks to the weekly program feature unwanted operation of the genset may be prohibited The unit has one programmable turn on turn off time pairs for each day of week These programmable parameters allow the genset to operate automatically only in allowed time limits The weekly operation schedule is only active in AUTO mode In other modes it will not affect the genset operation In AUTO mode if the operation of the genset is disabled by the weekly schedule then the AUTO led will flash instead of a steady on state Each turn on turn off time is defined in 10 minute steps These parameters are defined in the parameters P_051 to P_064 On the display the parameters are shown with 3 digits the first 2 digit are the hour and the last digit is the first digit of the minutes For example 19 3 will mean 19 30 Unused programs should be set to 24 0 An example setup may be as follows P_051 07 0 Monday morning 07 00 turn on P_052 18 0 Monday evening 18 00 turn off P_053 07 0 Tuesday morning 07 00 turn on P_054 18 0 Tuesday evening 18 00 turn off P_055 07 0 Wednesday morning 07 00 turn on P_056 18 0 Wednesday evening 18 00 turn off P_057 07 0 Tuesday morning 07 00 turn on P_058 18 0 Tuesday evening 18 00 turn off
17. atching 0 0 Non latching 1 Latching 122 Contact type 0 0 Normally open 1 Normally closed 123 Switching 0 0 Battery negative 1 Battery positive 124 Response delay 0 0 No delay 1 Delayed 4sec PROGRAM LOCK INPUT Pgm Description Std 125 Operation 3 0 Alarm the engine stops and horn relay operates 2 Warning the horn relay operates 3 No operation 126 Fault monitoring 0 0 Always 1 After holdoff timer 2 When mains present 127 Latching 0 0 Non latching 1 Latching 128 Contact type 0 0 Normally open 1 Normally closed 129 Switching 0 0 Battery negative 1 Battery positive 130 Response delay 0 0 No delay 1 Delayed 4sec Parameters from P_131 to P_142 define the ohm bar characteristics of the oil pressure sender The sender characteristics will be defined using maximum 6 points The values should be entered in the increasing order of ohm values For unused points ohm values should be entered as 0 An example table is given below The sensor characteristics used in this table are 0 0 bar 240 ohms 1 0 bar 218 ohms 5 0 bar 153 ohms 10 0 bar 103 ohms Pgm Description Unit Value 131 Point_ resistor ohm 103 132 Point_ pressure bar 10 0 133 Point_ resistor ohm 153 134 Point_ pressure Bar 5 0 135 Point_ resistor Ohm 218 136 Point_ pressure Bar 1 0 137 Point_ resistor Ohm 240 138 Point_ pressure Bar 0 0
18. day turn_off 24 0 59 Friday turn_on 24 0 60 Friday turn_off 24 0 61 Saturday turn_on 24 0 62 Saturday turn_off 24 0 63 Sunday turn_on 24 0 64 Sunday turn_off 24 0 The parameters from P_065 to P_082 define the functions of relay outputs The unit has 6 relay outputs and 2 of them have programmable functions The fixed function relays are Fuel Start Mains Contactor and Generator Contactor The relays may be extended up to 22 using Relay Extension Modules RELAY 1 and RELAY 2 with programmable functions are inside the unit Other relays are in the optional Extension Modules The function of a programmable relay output may be selected from the below list RELAY FUNCTON LIST Pgm Description Std 65 RELAY 1 function 01 66 RELAY 2 function 03 67 RELAY 3 function 16 68 RELAY 4 function 17 69 RELAY 5 function 18 70 RELAY 6 function 19 71 RELAY 7 function 20 72 RELAY 8 function 21 73 RELAY 9 function 22 74 RELAY 10 function 23 75 RELAY 11 function 24 76 RELAY 12 function 25 77 RELAY 13 function 26 78 RELAY 14 function 27 79 RELAY 15 function 28 80 RELAY 16 function 29 81 RELAY 17 function 30 82 RELAY 18 function 31 00 Fuel 01 Horn 02 Start 03 Stop 04 Gen Contactor 05 mains Contactor 06 Choke 07 Preheat 08 Alarm 09 Warning 10 Alarm Warning 11 Automatic ready 12 Week on time
19. e period defined in P_024 an OVERLOAD alarm will be generated Enter this information with the same format as parameter P_000 3 Excess Power Limit KW 350 If the active power goes above this limit during the period defined in P_024 an OVERLOAD alarm will be generated Enter this information with the same format as parameter P_000 4 Mains Voltage Low Limit V 170 If one of the mains phases goes under this limit it means that the mains are off and it starts the transfer to the genset in AUTO and TEST modes 5 Mains Voltage High Limit V 270 If one of the mains phases goes over this limit it means that the mains are off and it starts the transfer to the genset in AUTO and TEST modes 6 Gen Voltage Low Limit V 180 If one of the generator phase voltages goes under this limit when feeding the load this will generate a VOLTAGE alarm and the engine will stop 7 Gen Voltage High Limit V 270 If one of the generator phase voltages goes over this limit when feeding the load this will generate a VOLTAGE alarm and the engine will stop 16 M DCM 317A User Manual Pgm Definition Unit Std Val Description 8 Low Freq Alarm Hz 30 If the genset frequency goes under this limit a SPEED alarm will be generated and the engine will stop This alarm will be monitored after delay defined in P_023 when the engine runs 9 Low Freq Warning Hz 40 If the genset frequency goes under this limit a SPEED
20. e initial mode of operation If any of the mode selection keys are pressed during exercise then the exercise will be ended Using the daily exercise mode the unit may feed the load from the genset during predefined hours of the day This operation may be used in high tariff periods of the day 6 9 Simulate Mains The unit offers an optional SIMULATE MAINS signal input If the program parameter P_050 is set to 1 then the REMOTE START 22 input will be used for mains simulation It is also necessary to set the program parameter P_119 to 3 in order to prevent any alarm generated from this input The SIMULATE MAINS signal may be a NO or NC contact switching to either battery positive or battery negative These selections are made using the programming menu If the program parameter P_050 is set to 1 and the input signal is active the mains phases are not monitored and supposed to be inside limits This will prevent the genset from starting even in case of a mains failure If the genset is running when the signal is applied then usual Mains Waiting and Cooldown cycles will be performed before engine stop When the SIMULATE MAINS signal is present the front panels mimic diagram s mains LEDs will reflect the mains voltages as present When the signal is passive the unit will revert to normal operation and monitor the mains voltage status The REMOTE START operation overrides SIMULATE MAINS operation When both parameters P_042 and P_050
21. e period that the generator runs for cooling purpose after the load is transferred to mains 32 Generator Contactor Timer sec 1 This is the period after the mains contactor has been deactivated and before the generator contactor has been activated 33 Mains Contactor Timer sec 1 This is the period after the generator contactor has been deactivated and before the mains contactor has been activated 34 Stop Timer sec 10 This is the maximum time duration for the engine to stop During this period the STOP relay output is energized if defined by programming If the genset has not stopped after this period a STOP FAIL alarm will occur 35 Start Attempts 3 This is the maximum number of start attempts 18 M DCM 317A User Manual Pgm Definition Unit Std Val Description 36 Horn Timer sec 10 This is the period during which the HORN relay is active If the period is set to 0 this will mean that the period is unlimited 37 Engine Heating Type 0 This parameter defines the engine heating method The genset will not take the load before engine heating is completed 0 engine is heated during the period defined by the Engine Heating Timer P_029 1 engine is heated until the coolant temperature reaches the temperature defined by Engine Heating Temperature P_022 and at least during the period defined by the Engine Heating Timer P_029 38 Charge input alarm 0 0 The charge input generates C
22. ection 6 3 Engine heating operation 6 4 Service Request Display 6 5 Engine Hour Meter 6 6 Modem connection 6 7 Remote Monitoring and Programming 6 8 Exerciser 6 9 Simulate Mains 7 WEEKLY OPERATION SCHEDULE 8 EVENT LOGGING 9 STATISTICAL COUNTERS 10 MAINTENANCE 11 PROGRAMMING 12 TROUBLESHOOTING 13 DECLARATION OF CONFORMITY 14 TECHNICAL SPECIFICATIONS 15 CONNECTION DIAGRAM 2 M DCM 317A User Manual 1 INSTALLATION 1 1 Introduction to the Control Panel The unit is a control and protection panel used in gensets It shows the measured values on its displays The unit is designed to provide user friendliness for both the installer and the user Programming is usually unnecessary as the factory settings have been carefully selected to fit most applications However programmable parameters allow the complete control over the generating set Programmed parameters are stored in a Non Volatile Memory and thus all information is retained even in the event of complete loss of power The measured parameters are Mains voltage phase R to neutral Gen current phase U Mains voltage phase S to neutral Gen current phase V Mains voltage phase T to neutral Gen current phase W Mains voltage phase R S Gen frequency Mains voltage phase S T Gen total KW Mains voltage phase T R Gen total cos Gen voltage phase U to neutral Battery voltage Gen voltage phase V to neutral Coolant temperature Gen voltage phase W to neutral Oi
23. eginning of the any hour of the week The parameter value is the hour count of the start time Examples 0 exercise starts at Monday 00 00 1 exercise starts at Monday 01 00 8 exercise starts at Monday 08 00 24 exercise starts at Tuesday 00 00 167 exercise starts at Sunday 23 00 168 exerciser off If a daily exercise is selected with parameter P_158 0 then the day information is don t care and the exercise will be performed every day regardless of the day selection If the monthly exercise is selected with parameter P_158 2 then the exercise will be performed during the first 7 days of each month at the programmed day and hour 156 Exercise duration min 10 This parameter defines the exercise duration and programmed in 10 minute steps up to 24 hours 157 Exercise off_load on_load 0 If this parameter is set to 0 the genset will not feed the load during exercise If it is set to 1 then the load will be transferred to the genset during the exercise 158 Daily Weekly Monthly Exercise 1 0 exercise every day the exercise will be performed every day regardless of the day selection with parameter P_155 1 exercise once per week 2 exercise once per month the exercise will be performed during the first 7 days of each month at the programmed day and hour The parameters from P_159 to P_164 adjust the date and time Pgm Definition Unit Std Val Description 159 Year 00 99 Last two digits of
24. ent sources are Genset on load Genset off load Alarms Warnings 9 STATISTICAL COUNTERS The unit provides a set of non resettable incremental counters for statistical purposes The counters consist on total engine cranks total genset runs total genset on load These counters are kept in a non volatile memory and are not affected from power failures The statistical counters are only displayed on the PC screen using the remote monitoring and programming software They can not be displayed on the unit 10 MAINTENANCE DO NOT OPEN THE UNIT There are NO serviceable parts inside the unit Wipe the unit if necessary with a soft damp cloth Do not use chemical agents 15 M DCM 317A User Manual 10 PROGRAMMING The program mode is used to program the timers operational limits and the configuration of the unit To enter the program mode press the MENU button for 5 seconds The program mode is only allowed if the PROGRAM LOCK input terminal_23 is left open If this input is tied to GROUND the program value modification will be disabled to prevent unauthorized intervention It is advised to keep the PROGRAM LOCK input tied to GROUND The program mode will not affect the operation of the unit Thus programs may be modified anytime even while the genset is running When the program mode is entered the upper display will show PGM The central display will show the program parameter number and the l
25. ili l il l ill i l i l ll l l ill iall i i ill al lls iti l l i l i ll ll i l i i l i i l i i l i i ifi i i i i i ifi i When the AC mains fails the engine starts to run but the unit gives START FAIL alarm and then the engine stops The generator phase vo tages are not connected to the un t Measure the AC vo tage between term na U V W and Generator Neutral at the rear of the un t wh e the eng ne s runn ng A fuse protect ng the generator phases may be fa ed A m sconnect on may be occurred If everyth ng s OK turn a the fuses off and then turn a the fuses on start ng from the DC supp y fuse Then test the un t aga n The unit is late to remove engine cranking The generator vo tage r ses ate y so the generator remnant vo tage s be ow 20 vo ts The un removes start ng w th the generator frequency and needs at east 20 vo ts to measure the frequency If th s s tuat on s to be avo ded the on y so ut on s to add an aux ary re ay The co of the re ay w be between BATTERY and charg ng a ternator D term na The norma y c osed contact of the re ay w be connected ser y to the un t s START output So the start ng w so be removed when the D pu to battery pos ve The unit is inoperative Measure the DC supp y vo tage between term na s 11 and 12 at the rear of the un t If OK turn a the fuses off then turn a the fuses on start ng from the DC supp y fuse Then test the un t aga n Progr
26. is disabled by the weekly schedule then the AUTO led will flash and the operation of the genset will be as in the OFF mode TEST It is used to test the generator when the mains are on or keep the generator running in the emergency backup mode P_041 The operation of the generator is similar to the AUTO mode but the mains contactor will not be deactivated if the mains are not off If the mains are off mains contactor will be deactivated and the generator contactor will be activated When the mains are on again a changeover to the mains will be made but the engine will be kept running unless another mode is selected To stop the engine select AUTO or OFF mode LOAD TEST It is used to test the genset under load Once this mode is selected the engine will run and the load will be transferred to the genset The genset will feed the load indefinitely unless another mode is selected 6 OTHER FEATURES 6 1 Remote Start Operation The unit offers the possibility of REMOTE START mode of operation If the program parameter P_042 is set to 1 then the unit will enter to the Remote Start operation The Remote Start signal should be connected to the REMOTE START 22 input It is also necessary to set the program parameter P_119 to 3 in order to prevent the alarms generated from this input The REMOTE START signal may be a NO or NC contact switching to either battery positive or battery negative These selections are made using programming menu
27. l pressure Gen voltage phase U V Gen voltage phase V W Gen voltage phase W U Gen frequency 1 2 Mounting the Unit The unit is designed for panel mounting The user should not be able to access parts of the unit other than the front panel Mount the unit on a flat vertical surface The unit fits into a standard panel meter opening of 151x111 millimeters Before mounting remove the retaining steel spring and connectors from the unit then pass the unit through the mounting opening The unit will be maintained in its position by the steel spring Engine body must be grounded for correct operation of the unit otherwise incorrect voltage and frequency measurements may occur The output of the current transformers shall be 5 Amperes The input current rating of the current transformers may be selected as needed between 10 5 and 9000 5 amps Current transformer outputs shall be connected by separate cable pairs from each transformer to related inputs Never use common terminals or grounding The power rating of the transformer should be at least 5 VA It is recommended to use 1 precision transformers If analogue senders e g temperature or oil pressure are connected to the unit it is not possible to use auxiliary displays otherwise the unit may be destroyed If temperature or oil pressure displays are already present on the generator control panel do not connect the senders to the unit The unit is factory programmed for VDO type senders
28. lay is used for fuel solenoid control It is internally connected to terminal 16 for supplying the charge alternator s excitation current 21 EMERGENCY STOP Digital inputs These inputs have programmable characteristics selected via the program menu Each input may be driven by a normally closed or normally open contact switching either battery or battery The effect of the switch is also selectable from a list See PROGRAMMING section for more details 22 REMOTE START 23 PROGRAM LOCK 24 SPARE 1 25 COOLANT LEVEL 26 HIGH TEMP 27 LOW OIL PRESSURE 28 FUEL LEVEL 29 CURR_U Current transformer inputs 5A AC Connect the generator current transformer terminals to these inputs Do not connect the same current transformer to other instruments otherwise a unit fault will occur Connect each terminal of the transformer to the unit s related terminal Do not use common terminals Do not use grounding Correct polarity of connection is vital If the measured power is negative then change the polarity of each 3 current transformers The rating of the transformers should be the same for each of the 3 phases The secondary winding rating shall be 5 Amperes For ex 200 5 Amps 30 CURR_U 31 CURR_V 32 CURR_V 33 CURR_W 34 CURR_W 5 M DCM 317A User Manual 3 DISPLAYS 3 1 Led Displays The unit has 29 LEDs divided in 4 groups Group_1 Operating mode This group i
29. ndicates the genset function Group_2 Mimic diagram This group indicates the current status of the mains and genset voltages and contactors Group_3 Warnings and alarms This group indicates the existence of abnormal conditions encountered during operation Group_4 Unit This group indicates the unit of the value displayed in the bottom display Function Color Description MAINS ON Green The LED will turn on when all 3 mains phase voltages are within the limits MAINS OFF Red The LED will turn on when at least one of the mains phase voltages is outside limits GENERATOR Yellow The LED will turn on when all 3 generator phase voltages are within the programmed limits LOAD GENERATOR Yellow It turns on when the generator contactor is activated LOAD MAINS Green It turns on when the mains contactor is activated LOAD TEST Yellow It turns on when the related operation mode is selected One of these LEDs is always on and indicates which operation mode is selected If the operation of the genset is disabled by the weekly operation schedule then the AUTO led will flash TEST Yellow OFF Yellow AUTO Green SERVICE REQUEST Red Engine periodic maintenance request indicator It turns on when the preset engine hours or time duration after previous service has elapsed ALARM GROUP Red If a fault condition resulting to the engine shutdown has occurred the related alarm led turns on steadily If a warning conditi
30. o serial adapters are tested and approved DIGITUS USB 2 0 TO RS 232 ADAPTER PRODUCT CODE DA70146 REV 1 1 DIGITUS USB 1 1 TO RS 232 ADAPTER PRODUCT CODE DA70145 REV 1 1 FLEXY USB 1 1 TO SERIAL ADAPTER PRODUCT CODE BF 810 CASECOM USB TO SERIAL CONVERTER MODEL RS 01 12 M DCM 317A User Manual 6 8 Exerciser The unit offers automatic exerciser operation The exercise operation may be done on a daily weekly or monthly basis The start day and time of the exercise is programmable as well as its duration The exercise may be done with or without load following programming The program parameters related to the exerciser are P_155 Exercise start day and hour P_156 Exercise duration P_157 Exercise off_load on_load P_158 Daily Weekly Monthly Exercise Please refer to the programming section for a more detailed description of the above parameters When the start day and hour of exercise has come the unit will automatically switch to either TEST or LOAD TEST mode The engine will run and if the on_load exercise is selected then the load will be transferred to the genset If a mains failure occurs during the off load exercise the load will not be transferred to the genset unless the Emergency Backup Operation is allowed by setting the parameter P_041 to 1 Thus it is highly recommended that the Emergency Backup mode enabled with off load exerciser At the end of the exercise duration the unit will switch back to th
31. on has occurred the related led flashes The alarms work on a first occurring basis The occurrence of a fault will disable other faults of lower or equal priority UNIT GROUP Red This group indicates the unit of the value displayed in the bottom display When the engine is running the unit displays the genset frequency otherwise it displays the battery voltage Different values may be scrolled by pressing the MENU key 6 M DCM 317A User Manual 3 2 Digital Displays The unit has 3 seven segment displays They show Measured parameters Service counters Statistical counters Program parameters The navigation between different screens in a group is made with the MENU button Holding the MENU button pressed for 1 second makes the display to switch to the next group VOLTAGE DISPLAY This display shows phase R voltage if the load is on mains Phase U voltage if the load is on the genset By pressing the MENU key below values may be displayed R S T mains phase to neutral voltages U V W generator phase to neutral voltages RS ST TR mains phase to phase voltages UV VW WU generator phase to phase voltages If the service counters group is displayed then this display will show the counter name In programming mode it displays PGM CURRENT DISPLAY This display will show the current values measured using the current transformers Using the programming menu current transformers within the range of 10 5A
32. oolant temperature measured from the analog input goes over this limit this will generate a HIGH TEMP warning 18 High Temperature Alarm C 98 If the coolant temperature measured from the analog input goes over this limit this will generate a HIGH TEMP alarm and the engine will stop 19 Oil pressure sender type 1 This parameter selects the oil pressure sender type 0 Non standard sender The sender characteristics are defined in table using parameters P_131 to P_142 1 VDO 0 7 bars 10 180 ohms 2 VDO 0 10 bars 10 180 ohms 3 DATCON 0 7 bars 240 33 ohms 4 DATCON 0 10 bars 240 33 ohms 5 DATCON 0 7 bars 0 90 ohms 6 DATCON 0 10 bars 0 90 ohms 7 DATCON 0 7 bars 75 10 ohms 20 Temperature sender type 1 This parameter selects the temperature sender type 0 The sender characteristics are defined in table using parameters P_143 to P_154 1 VDO 2 DATCON DAH type 3 DATCON DAL type 17 M DCM 317A User Manual Pgm Definition Unit Std Val Description 21 Hysteresis Voltage V 8 This parameter provides the mains and genset voltage limits with a hysteresis feature in order to prevent faulty decisions For example when the mains are present the mains voltage low limit will be used as the programmed low limit P_004 When the mains fail the low limit will be used as P_004 P_021 It is advised to set this value to 8 volts 22 Engine Heating Temperature C 50 If it is requested
33. ower display the program parameter value The first program number is 000 Each depression of the MENU key will cause the display to switch to the next program parameter If the MENU key is hold pressed the program numbers will increase by steps of 10 After the last parameter the display switches back to the first parameter The displayed parameter value may be increased or decreased using and keys If these keys are hold pressed the program value will be increased decreased by steps of 10 Program parameters are kept in a non volatile memory and are not affected from power failures To exit the program mode press one of the mode selection keys If no button is pressed during 1 minute the program mode will be cancelled automatically Pgm Definition Unit Std Val Description 0 Current Transformer Primary A 500 This is the rated value of current transformers All transformers must have the same rating The secondary of the transformer will be 5 Amps For values over 990A use 10 of the value These values will be displayed as K Amperes for ex 1 85KA Values under 100A may be used by multiplying with 10 in order to enable the current display with 0 1A precision for ex 35 7A 1 Current Transformer Decimal Point 0 This parameter determines the display range of current and active power 0 000 999 1 0 00 9 99 2 00 0 99 9 2 Overcurrent Limit A 500 If the current goes above this limit during th
34. pe 0 0 Normally open 1 Normally closed 105 Switching 0 0 Battery negative 1 Battery positive 106 Response delay 1 0 No delay 1 Delayed 4sec EMERGENCY STOP INPUT Pgm Description Std 107 Operation 0 0 Alarm the engine stops and horn relay operates 2 Warning the horn relay operates 3 No operation 108 Fault monitoring 0 0 Always 1 After holdoff timer 2 When mains present 109 Latching 0 0 Non latching 1 Latching 110 Contact type 0 0 Normally open 1 Normally closed 111 Switching 0 0 Battery negative 1 Battery positive 112 Response delay 0 0 No delay 1 Delayed 4sec SPARE 1 FAULT INPUT Pgm Description Std 113 Operation 0 0 Alarm the engine stops and horn relay operates 2 Warning the horn relay operates 3 No operation 114 Fault monitoring 0 0 Always 1 After holdoff timer 2 When mains present 115 Latching 0 0 Non latching 1 Latching 116 Contact type 0 0 Normally open 1 Normally closed 117 Switching 0 0 Battery negative 1 Battery positive 118 Response delay 0 0 No delay 1 Delayed 4sec 22 1 1 2 2 3 3 4 4 5 5 6 6 M DCM 317A User Manual REMOTE START INPUT Pgm Description Std 119 Operation 2 0 Alarm the engine stops and horn relay operates 2 Warning the horn relay operates 3 No operation 120 Fault monitoring 0 0 Always 1 After holdoff timer 2 When mains present 121 L
35. pen 1 Normally closed 87 Switching 0 0 Battery negative 1 Battery positive 88 Response delay 0 0 No delay 1 Delayed 4sec HIGH TEMPERATURE SWITCH INPUT Pgm Description Std 89 Operation 0 0 Alarm the engine stops and horn relay operates 2 Warning the horn relay operates 3 No operation 90 Fault monitoring 0 0 Always 1 After holdoff timer 2 When mains present 91 Latching 1 0 Non latching 1 Latching 92 Contact type 0 0 Normally open 1 Normally closed 93 Switching 0 0 Battery negative 1 Battery positive 94 Response delay 0 0 No delay 1 Delayed 4sec COOLANT LEVEL SWITCH INPUT Pgm Description Std 95 Operation 0 0 Alarm the engine stops and horn relay operates 2 Warning the horn relay operates 3 No operation 96 Fault monitoring 0 0 Always 1 After holdoff timer 2 When mains present 97 Latching 0 0 Non latching 1 Latching 98 Contact type 0 0 Normally open 1 Normally closed 99 Switching 0 0 Battery negative 1 Battery positive 100 Response delay 1 0 No delay 1 Delayed 4sec 21 M DCM 317A User Manual FUEL LEVEL INPUT Pgm Description Std 101 Operation 2 0 Alarm the engine stops and horn relay operates 2 Warning the horn relay operates 3 No operation 102 Fault monitoring 2 0 Always 1 After holdoff timer 2 When mains present 103 Latching 1 0 Non latching 1 Latching 104 Contact ty
36. ptable voltages the mains contactor will be de energized In order to provide extra security the normally closed contact of the generator contactor should be serially connected to this output 11 GROUND O VDC Power supply negative connection 12 BATTERY POSITIVE 12 or 24VDC The positive terminal of the DC Supply shall be connected to this terminal The unit operates on both 12V and 24V battery systems 13 SPARE SENDER INPUT Input 0 5000 ohms No connection to this terminal 14 OIL PRESSURE SENDER Input 0 5000 ohms Analogue oil pressure sender connection Do not connect the sender to other devices The input has programmable characteristics and connects to any kind of sender 15 COOLANT TEMP SENDER Input 0 5000 ohms Analogue high temperature sender connection Do not connect the sender to other devices The input has programmable characteristics and connects to any kind of sender 16 CHARGE Input and output Connect the charge alternator s D terminal to this terminal This terminal will supply the excitation current and measure the voltage of the charge alternator 17 RELAY 2 HORN RELAY Output 10A 28VDC This relay has programmable function selectable from a list 18 RELAY 1 STOP RELAY Output 10A 28VDC This relay has programmable function selectable from a list 19 START RELAY Output 10A 28VDC This relay controls the engine cranking 20 FUEL RELAY Output 10A 28VDC This re
37. rt attempts P_035 STOP FAIL Set if the engine has not stopped before the expiration of the Stop Timer P_034 OVERLOAD Set if at least one of the genset phase currents goes over the Overcurrent Limit P_002 or if the genset power KW supplied to the load goes over the Excess Power P_003 limit for Overcurrent Excess Power Timer P_511 If the currents and power goes below the limits before expiration of the timer then no alarm will be set VOLTAGE Set if any of the generator phase voltages goes outside programmed limits P_006 P_007 This fault will be monitored with holdoff timer P_023 delay after the engine is running COOL LEVEL Set when a signal is detected from the coolant level switch input BATTERY Set if the battery voltage goes outside programmed limits During engine cranking this fault is not monitored Warning level for low battery voltage P_012 and both warning P_013 and alarm P_014 levels for high battery voltage are programmable CHARGE Set if a charge alternator failure or broken belt occurs This fault condition may result to a warning or alarm following programming P_038 FUEL LEVEL Set if a signal is detected at the FUEL LEVEL input EMERGENCY STOP Set if a signal is detected at the emergency stop input Set if a signal is detected at the remote start input 8 REMOTE START M DCM 317A User Manual 5 MODES OF OPERATION The modes of operation are selected by pushing the front panel keys
38. s both programmable engine hours and maintenance time limit The engine hours is programmable with 50 hour steps P_044 the time limit is programmable between with 1 month steps P_045 If any of the programmed values is zero this means that the parameter will not be used For example a maintenance period of 0 months indicates that the unit will request maintenance only based on engine hours there will be no time limit If the engine hours is also selected as 0 hours this will mean that the SERVICE REQUEST display will be inoperative When the engine hours OR the time limit is over the SERVICE REQUEST led red will start to flash To turn off the led and reset the service period press together the ALARM MUTE and LAMP TEST keys for 5 seconds The upper display will show SER The remaining engine hours and the remaining time limit are kept stored in a non volatile memory and are not modified by power supply failures The remaining time and engine hours to service may be checked via the statistics menu selected by pressing the MENU key for 1 second For the engine hours the upper display will show HtS hours to service The mid display will show the first 3 digits of the engine hours to service and the bottom display the last 3 digits For the time the upper display will show ttS time to service The mid display will show the first 3 digits of days to service and the bottom display the last 3 digits 6 5 Engine Hour Me
39. t correct although Phase to Neutral voltages are correct Incorrect phase order Please connect phase voltages in the correct order KW and cos readings are faulty although the Amp readings are correct Current transformers are not connected to the correct inputs or some of the CTs are connected with reverse polarity Determine the correct connections of each individual CT in order to obtain correct KW and cos for the related phase and then connect all CTs Short circuit the outputs of unused Current Transformers When the AC mains fails the unit energizes the fuel solenoid but does not start and OIL PRESSURE led flashes The unit is not supplied with battery voltage at the oil pressure input Oil pressure switch not connected Oil pressure switch connection wire cut Oil pressure switch faulty Oil pressure switch closes too lately If oil pressure switch closes the unit will start Optionally oil pressure switch may be replaced The engine does not run after the first start attempt then the unit does not start again and OIL PRESSURE led flashes The oil pressure switch closes very lately As the unit senses an oil pressure it does not start When oil pressure switch closes the unit will start Optionally the oil pressure switch may be replaced 26 M DCM 317A User Manual l i l i ls i il i i i i il i i i i ll ll i l i i l i l l Al l i l l it i i l l i i i i i l l i i
40. ter The unit features a non erasable incremental engine hour meter The hour meter information is kept in a non volatile memory and is not modified by power supply failures The engine hours may be displayed via the statistics menu selected by pressing the MENU key for 1 second For the engine hours the upper display will show EnH engine hours The mid display will show the first 3 digits of the engine hours and the bottom display the last 3 digits 6 6 Modem Connection The unit offers the remote monitoring and programming features over the telephone network via a modem connection The program used for remote monitoring and programming is the same as the program used for RS 232 connection If the modem is connected the program parameter P_043 should be set to 1 otherwise faulty operation may occur 11 M DCM 317A User Manual 6 7 Remote Monitoring and Programming Thanks to its standard serial RS 232 port the unit offers the remote monitoring and programming feature The remote monitoring and programming PC software is called RAINBOW and it is supplied by METS The software allows the visualization and recording of all measured parameters The recorded parameters may then be analyzed graphically and printed The software also allows the programming of the unit and the storage of the program parameters to PC or the downloading of stored parameters from PC to the unit For PCs without a serial port below USB t
41. that the engine runs without load until reaching a certain temperature this parameter defines the temperature 23 Holdoff timer sec 8 This parameter defines delay after the engine runs and before the fault monitoring is enabled 24 Overcurrent Excess Power Frequency Timer sec 3 This is the period between the current or active power goes over the limits P_002 P_003 and OVERLOAD alarms occurs This is also the period between the frequency goes out of the limits P_008 P_011 and SPEED FAULT alarm occurs 25 Wait before Fuel min 0 This is the time between the mains fails and the fuel solenoid turns on before starting the genset It prevents unwanted genset operation in battery backed up loads 26 Preheat timer sec 1 This is the time after the fuel solenoid is energized and before the genset is started During this period the PREHEAT relay output is energized if defined by programming 27 Start Timer sec 6 This is the maximum start period Starting will be automatically cancelled if the genset fires before the timer 28 Wait between Starts sec 10 This is the waiting period between two start attempts 29 Engine Heating Timer sec 3 This is the period used for engine heating following the program parameter P_037 30 Mains Waiting Timer min 0 5 This is the time between the mains voltages entered within the limits and the generator contactor is deactivated 31 Cooling Timer min 1 0 This is th
42. the current year 160 Month 01 12 Current month 161 Date 01 31 Current day of the month 162 Day 0 6 Current day of the week 0 Monday 1 Tuesday 2 Wednesday 3 Thursday 4 Friday 5 Saturday 6 Sunday 163 Hour 00 23 Current hour of the day 164 Minute 00 59 Current minute of the hour 25 M DCM 317A User Manual 12 TROUBLESHOOTING The genset operates while AC mains are OK or continues to operate after AC mains are OK Check engine body grounding AC mains voltages may be outside programmed limits measure the phase voltages Check the AC voltage readings by pressing the MENU button Upper and lower limits of the mains voltages may be too tight Check the parameters P_004 and P_005 Standard values are 170 270 volts The hysteresis voltage may be given to excessive Check the parameter P_021 the standard value is 8 volts AC voltages or frequency displayed on the unit are not correct Check engine body grounding it is necessary The error margin of the unit is 3 volts If there are faulty measurements only when the engine is running there may be a faulty charging alternator or voltage regulator on the engine Disconnect the charging alternator connection of the engine and check if the error is removed If there are faulty measurements only when mains are present then the battery charger may be failed Turn off the rectifier fuse and check Phase to Phase AC voltages are no
43. to 9000 5A may be programmed In programming mode it displays the program number MULTIFUNCTION DISPLAY By pressing the MENU key below values may read generator frequency Hz generator cos generator active power KW oil pressure bar coolant temperature C battery voltage V DC In programming mode it displays the program value 7 M DCM 317A User Manual 4 ALARMS AND WARNINGS Alarms indicate an abnormal situation in the generating set are divided into 2 priority levels 1 ALARMS These are the most important fault conditions and cause The related alarm led to be on steadily The genset contactor to be released immediately The engine to be stopped immediately The Horn Alarm and Alarm Warning relays output to operate if selected via programming menu 2 WARNINGS These conditions cause The related alarm led to flash The Horn and Alarm Warning relay outputs to operate if selected via programming menu If the ALARM MUTE button is pressed the Horn relay output will be deactivated however the existing alarms will persist and disable the operation of the genset Alarms operate in a first occurring basis If an alarm is present following alarms and warnings will not be accepted If a warning is present following warnings will not be accepted Alarms may be of LATCHING type following programming For latching alarms even if the alarm condition is removed the alarms will stay on

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