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Load on EB (MCB)

Auto / Manual (Auto)

Emergency fault (Emer)

DG Fail to Start  (FST)

DG Fail to Stop (FSP)

High Water Temperature (HWT)

Low lube Oil Pressure (LLOP)

1.2.4

Timers

Following timers are incorporated in the DGC-6D1I:

DG Start delay (variable)

Generator Voltage Supervision (variable)

Max. cranking time (variable)

Crank gap time (variable)

No of crank attempts (variable)

Mains restoration  time (variable)

DG recooling time (variable)

High Water temperature (Variable) 

Low lube Oil Pressure (Variable

Generator over speed  delay timer (Variable)

Timer for stop solenoid (Variable)

1.3

Function
Auto/ Manual mode selection:
 
Press A/M button for 4 sec. On pressing the button the unit selects Auto or 
manual mode. Auto LED glows when the unit is in auto mode. LED turns off I 
manual mode.
Auto Mode
DGC-6D monitors the Mains supply, if Mains supply varies beyond set limit of
Under and Over voltage for more than Mains supervision time, DGC-6D starts the
genset.
To start the genset DGC-6D gives a cranking signal via potential free contact to
crank motor.  On detection of engine start, started either by external engine start
input or by build up of generator voltage, the Crank command is withdrawn.
 Max duration of crank command is user settable.
The   maximum   number   of   cranks   is   user   programmable.   Failure   of   starting   of
generator after maximum-programmed crank attempts, result into blinking of FST
LED, indicating Fail to Start fault and the hooter is switched on.
While   the   genset   is   running,   DGC-6D   monitors   the   genset   for   external   fault
LLOP, HWT, Emergency and voltage healthiness.
On detection of any fault, Gen-set is stopped by the DGC-6D after set time delay
& hooter is switched on.
On   restoration   of   healthy   EB   supply   for   the   set   time   duration   the   Gen-set   is
stopped after recooling it for the user set recooling time.
Load change over is automatically performed by DGC-6.

Cat/DCG-6D1I/07-08/03/Ver 1                                                                        Page 5/10

Содержание DGC-6D

Страница 1: ......

Страница 2: ...Cat DCG 6D1I 07 08 03 Ver 1 Page 2 10 ...

Страница 3: ... LED Indications 1 2 4 Timer 1 3 Function 1 4 Engine solenoid 1 5 Display 1 6 Programming Mode 1 6 1 Setting Table 1 7 Annunciation LED Functions 1 8 Switch Description 1 9 Fault 1 9 1 Internal Fault 1 9 2 External Fault 1 9 3 Fault Reset 1 10 Specification 1 11 Connection Diagram Cat DCG 6D1I 07 08 03 Ver 1 Page 3 10 ...

Страница 4: ...ent User programmable Cranking attempt Generator over speed supervision DC Battery Voltage supervision Under Over voltage External fault detection 2 digital inputs External engine running signal DG Fail to Start supervision and indication DG fail to Stop supervision and indication Unit remains fully operational even if battery voltage falls to zero volts for one sec 1 2 2 Measurement Display DGC 6...

Страница 5: ...it of Under and Over voltage for more than Mains supervision time DGC 6D starts the genset To start the genset DGC 6D gives a cranking signal via potential free contact to crank motor On detection of engine start started either by external engine start input or by build up of generator voltage the Crank command is withdrawn Max duration of crank command is user settable The maximum number of crank...

Страница 6: ...tions 1 6 Programming mode Programming mode can be entered any time by simultaneously pressing Reset A M keys The following table details the various programmable parameters 1 6 1 Setting table Sl No Parameter Explanation of parameter Default setting Setting Range 1 Mains Over Voltage Max permissible voltage above this the voltage is treated unhealthy Genset is started 270V 80 300V 2 Mains Under V...

Страница 7: ...ator 30Sec 0 999Sec 15 Generator Recooling Time The time for which Generator is allowed to run on no load before switching off 30 sec 0 999Sec 16 Stop solenoid time The time for which stop solenoid will be kept active while stopping the engine 30Sec 0 100Sec 17 Low Fuel time delay Time delay before this fault can be activated Faults are described in details 5 Sec 0 999Sec 18 LLOP Time delay Time d...

Страница 8: ...is used to increment the value of the parameter under programming In manual mode this key may be used for ignition crank command to DG 3 OR Stop Decrement This key is only active during programming mode and is used to decrement the value of the parameter under programming In manual mode this key may be used to stop the DG 4 Reset Reset Reset key resets the Hooter and Fault signals The first press ...

Страница 9: ... timer and is generated after the expiry of programmed HWT Emergency Time delay This fault can be used for emergency stop or it can be used for High Water Temperature 19 3 Fault Reset ι Internal Faults All internal faults can be reset by pressing reset Key ιι LLOP This fault can be reset by pressing reset Key ιιι HWT Low fuel This fault cannot be reset till the conditions creating this fault are n...

Страница 10: ...oducts hence specifications are subject to change without any notice Cat DCG 6D1I 07 08 03 Ver 1 Page 10 10 Crank Fuel Hooter Mains Gen Batt Batt Vr Vy Vb Sup N Vg LLOP HWT Low fuel 1 2 3 5 7 9 8 18 17 15 14 13 11 10 V V _ 12 16 4 Gen N 6 Crank Fuel Hooter Mains Gen Batt Batt Vr Sup N CT1 CT2 Vg LLOP HWT Low Fuel 1 2 3 5 7 9 8 18 17 15 14 13 11 10 V V _ 12 16 4 Gen N 6 ...

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