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Sunday, 18 June 2017

Differences between Microprocessor Locos


GE
SEIMENS
MEDHA
1
ECS having 3 positions.
Start, Isolate & Run.
ECS having 2 positions.
Idle & Run.
ECS having  2 positions
Idle & Run
2
EST has 2 positions – prime & start.
(Spring loaded rotary switch)

Stop button provided (ESP)
Start & Stop Push Buttons
Start & Stop Push Buttons
3
Breakers - different from conventional loco.
CCB, COB, LCCB, FNB, FPB1&2, CEB, ECB, GFB, ERS, EBB1&2, AFCB,ECCB, BCCB,
Breakers - same as conventional loco with additional breakers.
AGFB is not available.
 F1 to F8 except F2.
(F1 to F4 in newer Locos)
Breakers - same as conventional loco with one additional breaker
MPCB.
4
FPR available instead of FPC. (Front Panel)
FPC available (Back panel)
FPC available (Back panel)
5
Cranking  Relays & contactors named as  CKC1, CKC2, CKC3, GS+ &  GS-
Cranking Relays & Contactors– CKR1, CKR2, CKR3, CK1, CK2 & CK3
Cranking Contactors & Relays – CKC, CK1, CK2 & CK3
6
Power contactor are S14, S25 & S36 for ‘SP’ & P1, P2, P3, P4, P5 & P6 for ‘P’
Power Contactors are S1, S21, S31 for ‘SP’ & P1, P21, P31, P2, P22, P32 for ‘P’
Power Contactors are S1, S21, S31 for ‘SP’ & P1, P21, P31, P2, P22, P32 for ‘P’
7
CGR is Provided.
GR2 is Provided.
BANGI is Provided.
8
GDM is Provided.
GR1 is Provided.
TANGI is Provided.
9
Control GR reset button available.
Reset knob is provided  in GR1 & GR2
Through DID
10
AGFR & EGFR for AG & EG Field  protection
CKR2 for AG & EG Field protection
AGPR & EGPR for AG & EG Field protection
11
Faults  - Automatic,
Level-1,
Level-2 &
Level-3.
Active Faults :   FILLED CIRCLE
Non active faults: EMPTY CIRCLE
Active Faults can be viewed and cleared in DID menu.
12
More than one TM can be isolated.
KMICRO type -  Rotary switch only one TM (or)  PLC (Sim control) type - More than one TM can be isolated
More than one TM can be isolated.
13
Engine rpm raises to 4th notch during DB.
Engine rpm raises up to 4th notch during DB.
Engine rpm raises to 4th or 5th notch rpm as per DB Grid
14
Fault Clearance: Automatic:
Bring throttle to idle.
Level 1- Bring TH  to IDLE & press RESET key.
Level 2 - Bring TH to IDLE, Toggle DAS switch, select history & RESET the older/newer faults.
Level 3 – While trying to RESET, DID displays it as Level 3 Fault
Attend the faults according to message on DID.
Automatic resetting after 15 secs, when fault condition does not exist (3 times only)
4th time reset through display menu
In DID Select main menu, Faults and clear active faults.
Automatic resetting after 15 secs, when fault condition does not exist (3 times only)
4th time reset through display menu
15
When one TM is isolated loco will start in ‘SP’ combination with 4 TMs.
When one TM is isolated loco will start in ‘P’ combination.
When one TM is isolated loco will start in ‘SP’ combination with 4 TMs.
16
When 2 TMs isolated in combination of 1&4 or 2&5 or 3&6 loco will start with SP combination. If second motor is isolated other than above combination loco will start with ‘P’ combination.
If TM is isolated, loco starts with Parallel combination.
When two TMs are isolated in combination of 1&4 or 2&5 or 3&6 loco will start with ‘SP’ combination. If second motor is isolated other than above combination loco will start with ‘P’ combination.
17
MCP Inbuilt AG & EG  Excitation control
SYKO 1 for Excitation & SYKO 2 for Battery Charging control
MCP Inbuilt AG & EG  Excitation control


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