Datakom DKG-307 Manuel d'utilisateur Page 22
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DKG-307 User Manual V-42 (24.05.2013)
- 22 -
The unit provides a special function for the fuel solenoid control of a gas engine.
The fuel solenoid of a gas engine is different from a diesel engine. It should be opened after
the cranking has been started and should be closed between crank cycles. The delay between the
crank start and solenoid opening is adjusted using the Gas Solenoid Delay program parameter.
The gas engine fuel solenoid relay function may be assigned to spare relays using Relay
Definition program parameters. Also relays on an extension module may be assigned to this function.
The load shedding feature consists on the disconnection of the least crucial loads when the
genset power approaches to its limits. These loads will be supplied again when the genset power falls
below the programmed limit. The internal Load Shedding function is always active. Any of the auxiliary
relays may be used as the load shedding output.
The dummy load function consists on the connection of a dummy load if the total genset load
is below a limit and to disconnection of the dummy load when the total power exceeds another limit.
The dummy load function is the inverse of the load shedding function, thus the same output may be
used for both purposes.
The parameters used in Load Shedding feature are in the Electrical Parameters Group:
Load Shedding Low Limit: If the genset active power output goes below this limit, then the Load
Shedding relay will be deactivated.
Load Shedding High Limit: If the genset active power output goes above this limit, then the Load
Shedding relay will be activated.
The unit is able to send SMS messages in fuel theft or fuelling conditions.
These SMS messages are sent without creating visible fault condition.
These features are enabled by setting the program parameter Engine Parameters > Fuel
Consumption / Hour to a value other than 0%.
The Fuel Consumption / Hour parameter should be set to a value clearly greater than the
maximum fuel consumption of the engine.
If the fuel level measured from the sender input is decreased more than this parameter in 1
hour period, then a FUEL THEFT sms message is sent to programmed telephone numbers.
If the fuel level measured from the sender input is increased more than this parameter in 1
hour period, then a FUELLING sms message is sent to programmed telephone numbers.
6.21. Fuel Theft / Fuelling Messages
6.20. Load Shedding / Dummy Load
6.19. Gas Engine Fuel Solenoid Control
- DKG-307 AUTOMATIC 1
- MAINS FAILURE UNIT 1
- TABLE OF CONTENTS 2
- 1. INSTALLATION 3
- 1.3 Wiring the Unit 4
- 1.2 Mounting the Unit 4
- 2. INPUTS AND OUTPUTS 5
- - 6 6
- 3.1 Led Displays 7
- 3. DISPLAYS 7
- 3.2 Digital Displays 8
- 4. ALARMS AND WARNINGS 9
- - 10 10
- 5. MODES OF OPERATION 11
- 6.2 Sender type Selection 12
- 6.1 Remote Start Operation 12
- 6. OTHER FEATURES 12
- 6.5 Engine Block Heater 13
- 6.3 Engine Heating Operation 13
- 6.6 Fuel Pump Control 14
- (24.05.2013) 15
- 6.15 SMS Message Sending 19
- 6.17 Exerciser 21
- 6.26. Single Phase Operation 24
- (ONLY CANBUS VERSIONS) 25
- - 26 26
- - 27 27
- 8. MODBUS COMMUNICATION 28
- 9. WEEKLY OPERATION SCHEDULE 29
- 11. STATISTICAL COUNTERS 30
- 10. EVENT LOGGING 30
- DO NOT OPEN THE UNIT ! 31
- 12. MAINTENANCE 31
- 13. PROGRAMMING 32
- - 33 33
- - 34 34
- - 35 35
- - 36 36
- - 38 38
- - 39 39
- - 41 41
- Date - Time 42
- Weekly Schedule Programs 42
- - 43 43
- - 44 44
- - 45 45
- - 46 46
- - 47 47
- - 48 48
- 14. TROUBLESHOOTING 49
- - 50 50
- 16. TECHNICAL SPECIFICATIONS 52
- 17. CONNECTION DIAGRAMS 53
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