background image

Generator is stopped by releasing fuel 
solenoid.
Generator contactor is released and mains 
contactor is closed. Hooter shall be 
activated

7

Generator 
Supervision Time

The time for which the Generator voltage 
should, continuously be unhealthy to 
generate a fault condition.

10Sec

0-999 
Sec.

8

Generator O/S

If the generator frequency goes beyond this
limit, genset shuts down immediately

65 Hz

40-80 
Hz; 
Disable

9

No. of Crank 
Attempt

The maximum number of Cranks that shall
be issued to start the Generator

3

1-10

10

Crank Time

Maximum Crank time

10Sec

0-25Sec

11

Crank Delay

The delay between two successive Cranks

5

1-100Sec

12

Gen. pickup 
Voltage

This is the ignition voltage of the genset

100V

80-150V

13

Generator warm up
time

After switching on the  genset the load is 
put on the genset on elapse of generator 
warm up time 

10 Sec

0-999 
Sec.

14

Mains Restoration 
Time

The time for which mains should be 
continuously healthy before stopping  the 
Generator.

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 delay before this fault can be 
activated.
Faults are described in details.

5 Sec

0-999Sec

19

HWT Time delay

Time delay before this fault can be 
activated.
Faults are described in details.

5 Sec

0-999Sec

20

GCB to MCB time 
delay

Changeover time delay from generator to 
mains

2Sec

1 –5 Sec

21

Hooter Reset Time

Time for which the hooter is switched on 
after fault

30 Sec

0-999 
Sec.

22

Over Current

If the Current increase beyond this setting 
the genset shuts down after the O/C delay 
(Available only in DGC-6 with single 
phase mains monitoring)

25

1 –70 
Amp

23

O/C Delay

Time for which the current has to be above
overcurrent setting before initiating shut 
down process
(Available only in DGC-6 with single 

10

0-999 
Sec.

Cat/DCG-6D1I/07-08/03/Ver 1                                                                        Page 7/10

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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