Datakom DKG-307 User manual

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Datakom DKG-307 User manual | Manualzz

DKG-307 User Manual V-01.03 (14.02.2006)

Tel: +90-216-466 84 60

Fax: +90-216 364 65 65 [email protected]

DKG-307 AUTOMATIC MAINS FAILURE AND

REMOTE START UNIT

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

FEATURES

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

Survives cranking dropouts

Sealed front panel

Plug-in connection system for easy replacement

Small dimensions (155x115x48mm)

Low cost

DKG-307 User Manual V-01.03 (14.02.2006)

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 selection

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

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

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DKG-307 User Manual V-01.03 (14.02.2006)

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

Mains voltage phase S to neutral

Mains voltage phase T to neutral

Mains voltage phase R-S

Mains voltage phase S-T

Mains voltage phase T-R

Gen voltage phase U to neutral

Gen voltage phase V to neutral

Gen voltage phase W to neutral

Gen voltage phase U-V

Gen voltage phase V-W

Gen voltage phase W-U

Gen frequency

Gen current phase U

Gen current phase V

Gen current phase W

Gen frequency

Gen total KW

Gen total cos Φ

Battery voltage,

Coolant temperature

Oil pressure

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. 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.

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DKG-307 User Manual V-01.03 (14.02.2006)

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 0.75mm

temperature range.

2 ) and

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DKG-307 User Manual V-01.03 (14.02.2006)

2. INPUTS AND OUTPUTS

RS-232 SERIAL 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.

6

7

8

9

10

2

3

4

5

Term Function

1

Technical data Description

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

U

V

W

GENERATOR NEUTRAL

MAINS NEUTRAL

T

S

R

MAINS CONTACTOR

Generator phase inputs, 0-300V-AC

Input, 0-300V-AC

Input, 0-300V-AC

Mains phase inputs,

0-300V-AC closed contact of the mains contactor should be serially connected to this output.

Connect the generator phases to these inputs.

The generator phase voltages upper and lower limits are programmable.

Neutral terminal for the generator phases.

Neutral terminal for the mains phases.

Connect the mains phases to these inputs.

The mains voltages upper and lower limits are programmable.

11

12

GROUND

BATTERY POSITIVE

Relay output, 16A-AC This output provides energy to the mains contactor. If the mains phases do not have acceptable voltages, the mains contactor will be de-energized. In order to provide extra

O VDC security, the normally closed contact of the generator contactor should be serially connected to this output.

Power supply negative connection.

+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

14

15

16

SPARE SENDER INPUT

OIL PRESSURE SENDER

Input, 0-5000 ohms No connection to this terminal.

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.

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.

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.

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DKG-307 User Manual V-01.03 (14.02.2006)

Term Function

17 RELAY-1 (HORN RELAY)

18

19

20

29

30

31

32

33

34

25

26

27

28

21

22

23

24

RELAY-2 (STOP RELAY)

START RELAY

FUEL RELAY

EMERGENCY STOP

SPARE-2

PROGRAM LOCK

SPARE-1

COOLANT LEVEL

HIGH TEMP

LOW OIL PRESSURE

RECTIFIER FAIL

CURR_W+

CURR_W-

CURR_V+

CURR_V-

CURR_U+

CURR_U-

Technical data Description

Output 10A/28VDC This relay has programmable function, selectable from a list.

Output 10A/28VDC This relay has programmable function, selectable from a list.

Output 10A/28VDC This relay controls the engine cranking.

Output 10A/28VDC This relay is used for fuel solenoid control. It is internally connected to terminal 16 for supplying the charge alternator’s excitation current.

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.

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).

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DKG-307 User Manual V-01.03 (14.02.2006)

3. DISPLAYS

3.1 Led Displays

The unit has 29 LEDs, divided in 4 groups:

-Group_1: Operating mode: This group indicates 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

MAINS ON

Color

Green

MAINS OFF

GENERATOR

LOAD GENERATOR

LOAD MAINS

LOAD TEST

TEST

OFF

AUTO

SERVICE REQUEST

Red

Yellow

Yellow

Green

Yellow

Yellow

Yellow

Green

Red

Description

The LED will turn on when all 3 mains phase voltages are within the limits.

The LED will turn on when at least one of the mains phase voltages is outside limits.

The LED will turn on when all 3 generator phase voltages are within the programmed limits.

It turns on when the generator contactor is activated.

It turns on when the mains contactor is activated.

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.

Engine periodic maintenance request indicator. It turns on when the preset engine hours or time duration after previous service has elapsed.

ALARM GROUP Red

UNIT GROUP Red

If a fault condition resulting to the engine shutdown has occurred, the related alarm led turns on steadily.

If a warning condition 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.

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.

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DKG-307 User Manual V-01.03 (14.02.2006)

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 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 (ºC)

-battery voltage (V-DC),

In programming mode it displays the program value.

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DKG-307 User Manual V-01.03 (14.02.2006)

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 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_016) and alarm (P-015) 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 start 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)

RECTIFIER FAIL: Set if a signal is detected at the rectifier fail input. This input is only monitored when mains voltages are present.

EMERGENCY STOP: Set if a signal is detected at the emergency stop input.

SPARE: Set if a signal is detected in one of the spare fault inputs.

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DKG-307 User Manual V-01.03 (14.02.2006)

5. MODES OF OPERATION

The modes of operation are selected by pushing the front panel keys. 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 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 SPARE_2 (22) 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.

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.

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DKG-307 User Manual V-01.03 (14.02.2006)

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_154.

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.

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DKG-307 User Manual V-01.03 (14.02.2006)

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 has 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 Meter

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.

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DKG-307 User Manual V-01.03 (14.02.2006)

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 may be downloaded from

www.datakom.com.tr internet site.

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.

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 the 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.

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DKG-307 User Manual V-01.03 (14.02.2006)

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)

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.

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DKG-307 User Manual V-01.03 (14.02.2006)

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 event 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

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DKG-307 User Manual V-01.03 (14.02.2006)

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 lower 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

This is the rated value of current transformers.

All transformers must have the same rating.

The secondary of the transformer will be 5

0

1

Current Transformer

Primary

Current Transformer

Decimal Point

A 500

0

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)

This parameter determines the display range of current and active power:

2

3

4

5

6

7

Overcurrent Limit

Excess Power Limit

Mains Voltage Low Limit

Mains Voltage High Limit

Gen. Voltage Low Limit

Gen. Voltage High Limit

A

KW

V

V

V

V

500

350

170

270

180

270

0: 000-999

1: 0.00-9.99

2: 00.0-99.9

If the current 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.

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.

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.

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.

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.

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.

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DKG-307 User Manual V-01.03 (14.02.2006)

Pgm Definition

8 Low Freq. Alarm

9 Low Freq. Warning

10 High Freq. Warning

11 High Freq. Alarm

12

13

14

15

17

Low Battery Voltage

Warning

High Battery Voltage

Warning

High Battery Voltage

Alarm

Low Oil Pressure

Warning

16 Low Oil Pressure Alarm

High Temperature

Warning

18 High Temperature Alarm

19 Oil pressure sender type

20 Temperature sender type

Unit

Hz

Hz

Hz

Hz

V

V

V

Bar

Bar

ºC

ºC

-

-

Std Val Description

If the genset frequency goes under this limit, a

30

SPEED alarm will be generated and the engine will stop. This alarm will be monitored after delay

40

54 defined in P_023 when the engine runs.

If the genset frequency goes under this limit, a

SPEED warning will be generated. This warning will be monitored after delay defined in P_023 when the engine runs.

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

57

9.0

31.0

33.0

1.5

1.0

90

98

1

1 when the engine runs.

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.

If the battery voltage falls below this limit, this will generate a BATTERY warning.

If the battery voltage goes over this limit, this will generate a BATTERY warning.

If the battery voltage goes over this limit, this will generate a BATTERY alarm and the engine will stop.

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.

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.

If the coolant temperature measured from the analog input goes over this limit, this will generate a HIGH TEMP. warning.

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.

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 (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)

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

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DKG-307 User Manual V-01.03 (14.02.2006)

Pgm Definition

21 Hysteresis Voltage

22 Engine Heating

Temperature

23 Holdoff timer

24 Overcurrent / Excess

Power / Frequency Timer

25 Wait before Fuel

26 Preheat timer

27 Start Timer

28 Wait between Starts

29 Engine Heating Timer

30 Mains Waiting Timer

31 Cooling Timer

32 Generator Contactor

Timer

33 Mains Contactor Timer

34 Stop Timer

35 Start Attempts

Unit

V

ºC sec sec min sec sec sec sec min min sec sec sec

-

Std Val Description

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

50

8

3 fail, the low limit will be used as P_004+P_021.

It is advised to set this value to 8 volts.

If it is requested that the engine runs without load until reaching a certain temperature, this parameter defines the temperature.

This parameter defines delay after the engine runs and before the fault monitoring is enabled.

This is the period between the current or active

0

1

6

10

3

0.5

1.0

1

1

10

3 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.

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.

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)

This is the maximum start period. Starting will be automatically cancelled if the genset fires before the timer.

This is the waiting period between two start attempts.

This is the period used for engine heating following the program parameter P_037.

This is the time between the mains voltages entered within the limits and the generator contactor is deactivated.

This is the period that the generator runs for cooling purpose after the load is transferred to mains.

This is the period after the mains contactor has been deactivated and before the generator contactor has been activated.

This is the period after the generator contactor has been deactivated and before the mains contactor has been activated.

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.

This is the maximum number of start attempts.

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DKG-307 User Manual V-01.03 (14.02.2006)

Pgm Definition

36

37

38

39

40

Horn Timer

Engine Heating Type

Charge input alarm

Genset L-L Voltages

Mains L-L Voltages

Unit sec

-

-

-

-

Std Val Description

10 This is the period during which the HORN relay is active. If the period is set to 0, this will mean

0 that the period is unlimited.

This parameter defines the engine heating method. The genset will not take the load before engine heating is completed.

0

0

0

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).

0: The charge input generates CHARGE warning, and does not stop the engine.

1: The charge input generates CHARGE alarm, and stops the engine.

0: Display genset Line to Neutral voltages,

1: Display genset Line to Line voltages.

0: Display mains Line to Neutral voltages,

1: Display mains Line to Line voltages.

0: In TEST mode, the load will not be 41 Emergency Backup

Operation

42 Remote Start Operation

43

44

45

46

Modem Connection

Maintenance Period

(Engine Hours)

Maintenance Period

(Months)

Real Time Clock trimming

47 Not used

48 Not used

49 Not used

50 Not used

-

-

- hours month

-

0

0

0

200

6

0 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.

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.

0: No modem connection, the serial port is connected to PC

1: Modem connected.

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.

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

This parameter is intended to trim precisely the real 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.

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

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DKG-307 User Manual V-01.03 (14.02.2006)

74

75

76

77

70

71

72

73

78

79

80

81

82 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

51 Monday turn_on

52 Monday turn_off

53 Tuesday turn_on

54 Tuesday turn_off

55 Wednesday turn_on

56 Wednesday turn_off

57 Thursday turn_on

58 Thursday turn_off

59 Friday turn_on

60 Friday turn_off

61 Saturday turn_on

62 Saturday turn_off

63

64

Sunday turn_on

Sunday turn_off

Unit

-

-

-

Std

24.0

24.0

24.0

24.0

24.0

24.0

24.0

Description

-

-

-

-

-

-

-

-

-

-

-

24.0

24.0

24.0

24.0

24.0

24.0

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.

Pgm Description

65

66

67

68

69

RELAY-1 function

RELAY-2 function

RELAY-3 function

RELAY-4 function

RELAY-5 function

RELAY-6 function

RELAY-7 function

RELAY-8 function

RELAY-9 function

RELAY-10 function

RELAY-11 function

RELAY-12 function

RELAY-13 function

RELAY-14 function

RELAY-15 function

RELAY-16 function

RELAY-17 function

RELAY-18 function

Std

01

03

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

00 Fuel

01 Horn

02 Start

03 Stop

08 Alarm

14 -

15 -

RELAY FUNCT ON LIST

04 Gen. Contactor

05 mains Contactor

06 Choke

07 Preheat

09 Warning

10 Alarm+Warning

11 Automatic ready

12 Week. on time

13 Exerciser on

16 Oil switch alarm

17 Temp switch alarm

18 Level switch alarm

19 Rectifier alarm

20 Emerg.Stop alarm

21 Spare-1 Alarm

22 Spare-2 Alarm

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 Rectifier warning

36 Emerg Stop warn.

37 Spare-1 warning

38 Spare-2 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.

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DKG-307 User Manual V-01.03 (14.02.2006)

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

83 Operation

84

85

86

87

88

Fault monitoring

Latching

Contact type

Switching

Response delay

Std

0 0: Alarm (the engine stops and horn relay operates))

2: Warning (the horn relay operates)

1

3: No operation

0: Always

1: After holdoff timer

2: When mains present

1

0

0

0

0: Non latching

1: Latching

0: Normally open

1: Normally closed

0: Battery negative

1: Battery positive

0: No delay

1: Delayed (4sec)

HIGH TEMPERATURE SWITCH INPUT

Pgm Description

89 Operation

90

91

92

93

94

Fault monitoring

Latching

Contact type

Switching

Response delay

Std

0 0: Alarm (the engine stops and horn relay operates))

2 Warning (the horn relay operates)

0

3 No operation

0: Always

1: After holdoff timer

2: When mains present

1

0

0

0

0: Non latching

1: Latching

0: Normally open

1: Normally closed

0: Battery negative

1: Battery positive

0: No delay

1: Delayed (4sec)

COOLANT LEVEL SWITCH INPUT

Pgm Description

95 Operation

96

97

98

99

Fault monitoring

Latching

Contact type

Switching

100 Response delay

Std

0 0: Alarm (the engine stops and horn relay operates))

2: Warning (the horn relay operates)

0

3: No operation

0: Always

1: After holdoff timer

2: When mains present

0

0

0

1

0: Non latching

1: Latching

0: Normally open

1: Normally closed

0: Battery negative

1: Battery positive

0: No delay

1: Delayed (4sec)

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DKG-307 User Manual V-01.03 (14.02.2006)

RECTIFIER FAIL INPUT

Pgm Description

101 Operation

102 Fault monitoring

103 Latching

104 Contact type

105 Switching

106 Response delay

Std

2 0: Alarm (the engine stops and horn relay operates))

2: Warning (the horn relay operates)

2

3: No operation

0: Always

1: After holdoff timer

2: When mains present

1

0

0

1

0: Non latching

1: Latching

0: Normally open

1: Normally closed

0: Battery negative

1: Battery positive

0: No delay

1: Delayed (4sec)

EMERGENCY STOP INPUT

Pgm Description

107 Operation

108 Fault monitoring

109 Latching

110 Contact type

111 Switching

112 Response delay

Std

0 0: Alarm (the engine stops and horn relay operates))

2: Warning (the horn relay operates)

0

3: No operation

0: Always

1: After holdoff timer

2: When mains present

0

0

0

0

0: Non latching

1: Latching

0: Normally open

1: Normally closed

0: Battery negative

1: Battery positive

0: No delay

1: Delayed (4sec)

SPARE-1 FAULT INPUT

Pgm Description

113 Operation

114 Fault monitoring

115 Latching

116 Contact type

117 Switching

118 Response delay

Std

0 0: Alarm (the engine stops and horn relay operates))

2: Warning (the horn relay operates)

0

3: No operation

0: Always

1: After holdoff timer

2: When mains present

0

0

0

0

0: Non latching

1: Latching

0: Normally open

1: Normally closed

0: Battery negative

1: Battery positive

0: No delay

1: Delayed (4sec)

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DKG-307 User Manual V-01.03 (14.02.2006)

SPARE-2 FAULT INPUT

Pgm Description

119 Operation

120 Fault monitoring

121 Latching

122 Contact type

123 Switching

124 Response delay

Std

2 0: Alarm (the engine stops and horn relay operates))

2: Warning (the horn relay operates)

0

3: No operation

0: Always

1: After holdoff timer

2: When mains present

0

0

0

0

0: Non latching

1: Latching

0: Normally open

1: Normally closed

0: Battery negative

1: Battery positive

0: No delay

1: Delayed (4sec)

PROGRAM LOCK INPUT

Pgm Description

125 Operation

126 Fault monitoring

127 Latching

128 Contact type

129 Switching

130 Response delay

0

0

0

0: Non latching

1: Latching

0: Normally open

1: Normally closed

0: Battery negative

1: Battery positive

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

131 Point_1 resistor

132 Point_1 pressure

133 Point_2 resistor

134 Point_2 pressure

135 Point_3 resistor

136 Point_3 pressure

137 Point_4 resistor

138 Point_4 pressure

139 Point_5 resistor

140 Point_5 pressure

141 Point_6 resistor

142 Point_6 pressure

Unit ohm bar ohm

Bar

Ohm

Bar

Ohm

Bar

Ohm

Bar

Ohm bar

Std

3 0: Alarm (the engine stops and horn relay operates))

2: Warning (the horn relay operates)

0

3: No operation

0: Always

1: After holdoff timer

2: When mains present

0

Value

103

10.0

153

5.0

218

1.0

240

0.0

0

0.0

0

0.0

- 23 -

DKG-307 User Manual V-01.03 (14.02.2006)

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 ºC........342 ohms

82 ºC..........71 ohms

104 ºC........40 ohms

121 ºC........30 ohms

Pgm Description

143 Point_1 resistor

144 Point_1 temperature

145 Point_2 resistor

146 Point_2 temperature

147 Point_3 resistor

148 Point_3 temperature

149 Point_4 resistor

150 Point_4 temperature

151 Point_5 resistor

152 Point_5 temperature

153 Point_6 resistor

154 Point_6 temperature

Unit ohm

ºC ohm

ºC ohm

ºC ohm

ºC ohm

ºC ohm

ºC

Value

30

121

40

104

71

82

342

38

0

0

0

0

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DKG-307 User Manual V-01.03 (14.02.2006)

The parameters from P_155 to P_158 define the exerciser operation.

Pgm Definition

155 Exercise start day and hour

Unit

-

Std Val Description

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 beginning 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

156 Exercise duration

157 Exercise off_load/on_load

158 Daily / Weekly / Monthly

Exercise min.

-

-

10

0

1 performed during the first 7 days of each month at the programmed day and hour.

This parameter defines the exercise duration and programmed in 10 minute steps up to 24 hours.

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.

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

159 Year

160 Month

161 Date

162 Day

163 Hour

164 Minute

Unit

-

-

-

-

-

-

Std Val

00-99

01-12

01-31

0-6

Description

Last two digits of the current year.

Current month.

Current day of the month.

Current day of the week.(0=Monday,

1=Tuesday, 2=Wednesday, 3=Thursday

4=Friday, 5=Saturday, 6=Sunday)

00-23 Current hour of the day.

00-59 Current minute of the hour.

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DKG-307 User Manual V-01.03 (14.02.2006)

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.

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 -

DKG-307 User Manual V-01.03 (14.02.2006)

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 voltages are not connected to the unit. Measure the AC voltage between terminals

U-V-W and Generator Neutral at the rear of the unit while the engine is running. A fuse protecting the generator phases may be failed. A misconnection may be occurred. If everything is OK, turn all the fuses off, and then turn all the fuses on, starting from the DC supply fuse. Then test the unit again.

The unit is late to remove engine cranking:

-The generator voltage rises lately. Also the generator remnant voltage is below 20 volts. The unit removes starting with the generator frequency, and needs at least 20 volts to measure the frequency. If this situation is to be avoided, the only solution is to add an auxiliary relay. The coil of the relay will be between BATTERY (-) and charging alternator D+ terminal. The normally closed contact of the relay will be connected serially to the unit's START output. So the starting will also be removed when the D+ pulls to battery positive.

The unit is inoperative:

Measure the DC-supply voltage between terminals 11 and 12 at the rear of the unit. If OK, turn all the fuses off, then turn all the fuses on, starting from the DC supply fuse. Then test the unit again.

Programming mode can not be entered:

The program lock input disables programming mode entry. Disconnect the program lock input from battery negative before modification. Do not forget to make this connection again to prevent unauthorized program modifications.

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.

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DKG-307 User Manual V-01.03 (14.02.2006)

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.

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 ºF to +158 ºF)

Storage temperature range: -40°C to +80°C (-40 ºF to +176 ºF)

Maximum humidity: 95%, non-condensing

IP protection: IP65 from front panel, IP30 from the rear

Dimensions: 155 x 115 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)

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DKG-307 User Manual V-01.03 (14.02.2006)

15. CONNECTION DIAGRAM

- 29 -

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