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Medha Servo Drives Pvt Ltd.
MAS 696 Operator’s Manual
seconds. When the Alerter sounds, the driver must acknowledge it
within the next 17 seconds to avoid a penalty Brake application.
10.
RAPB:
Restricted Air Penalty Brake switch is provided on Engine
Control Panel to enable the AEB system.
11.
TELM SW:
Tractive Effort Limit switch is provided on Engine Control
Panel to enable the Tractive Effort Limit while working on
Weak/Lengthy Bridges.
5.8 Control and Operating Switch Panel
Control and Operating switches, Engine Run, Control & Fuel Pump,
Generator Field slide switches and Dynamic Brake Control Circuit Breaker
are located on a panel mounted on the right side of the No. 2 Control console
just below the MU Engine Stop switch.
1.
ENGINE RUN SWITCH:
Set this switch ON if the Locomotive is to
LEAD in tandem. Set this switch OFF if the Locomotive is TRAIL in
tandem or if it is to be hauled dead in tandem. This switch is ON when
its slider is up. When the Engine Run switch is ON, the Locomotive
control system controls the Diesel Engine speed according to
Throttle Position. When the Engine Run switch is OFF (slider down)
Engine speed is not effected by Throttle Handle position, except
during Load Test Mode.
2.
GEN. FLD. SWITCH:
Set this switch ON if the Locomotive is to LEAD
in tandem. Set this switch OFF if the Locomotive is to TRAIL in
tandem or if it is to be hauled dead in tandem. This switch is ON when
its slider is up.
WDG4/WDP4 Traction power setup is different from conventional
DC Locomotives set up. In the conventional Locomotives,
Generator power is directly power to Traction Motors, and setting
the GEN FLD switch OFF it prevents Main Generator Excitation.
On WDG4/WDP4 Locomotives, Main Generator output powers to
Traction Inverters, which power the Traction Motors. The LEAD
Loco Gen. Field switch must be ON to enable Traction Inverters to
power the Traction Motors. If Gen. Field switch is OFF, Traction
Alternator Excitation still continue to produce output. But the
Traction Inverters stop the operation of power to the Traction
Motors. This switch is train lined.
3.
CONTROL & FP SWITCH:
Set this switch ON if the Locomotive is to
LEAD in tandem. Set this switch OFF if the Locomotive is to TRAIL
in tandem or if it is to be hauled dead in tandem. This switch is ON
when its slider is up. When CONT&FP switch is ON, it provides