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system: RFID reader, PL-OCIP, BIU, Vital computer 3. Network Monitoring System (NMS) 4. Temporary Speed Restriction Management Server (TSRMS) Basic…

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Summary

system: RFID reader, PL-OCIP, BIU, Vital computer 3. Network Monitoring System (NMS) 4. Temporary Speed Restriction Management Server (TSRMS) Basic Functioning 1. Kavach shall enable the train to run at maximum permissible speed safely KAVACH as well as Loco KAVACH and Loco KAVACH.

Text of the circular

KAVACH TRAINING MODULE
Training module for Chief Loco Inspectors/LP Trainers
Volume-II
Center of Excellence - Kavach
IRISET

PREFACE
Welcome to the training module on Kavach, India’s indigenous Automatic Train
Protection (ATP) system. Kavach, meaning "shield" in Sanskrit, represents a significant
leap forward in railway safety and technology. Developed to enhance the reliability and
safety of train operations, Kavach integrates advanced features designed to prevent
collisions, manage train movements, and ensure adherence to signal systems. This
training module is meticulously crafted to provide Loco pilots/Chief Loco Pilots/LocoShed
Supervisors/Professionals
involved
in
Kavach
Operation
and
Maintenance
with
comprehensive knowledge and practical insights into operating and managing this
critical safety system.
As railways form the backbone of India’s transportation infrastructure, ensuring the
safety and efficiency of train operations is paramount. Kavach is a testament to adopting
cutting-edge technology to safeguard passengers and railway staff alike. In this module,
you will explore various safety innovations in Indian Railways, various types of
Automatic Train Protection (ATP) systems and the key functionalities of Kavach,
including its real-time monitoring capabilities, automatic braking mechanisms, and its
role in maintaining seamless communication between Onboard and Stationary Kavach.
This training is designed not only to familiarize Loco Pilot with the technical aspects of
ATP systems and Kavach but also to enhance Loco Pilots practical skills in using the
system effectively. Through detailed theoretical discourse and practical case studies,
Loco Pilot will gain the expertise needed to use Kavach effectively.
1

Table of Content
Topic
Page No.
INTRODUCTION TO TECHNOLOGIES FOR TRAIN SAFETY IN INDIAN
RAILWAYS
8-12
INTRODUCTION TO AUTOMATIC TRAIN PROTECTION SYSTEMS
13-42
INTRODUCTION TO KAVACH SYSTEM (ONBOARD KAVACH)
43-50
ONBOARD KAVACH WORKING
51-73
INTRODUCTION TO KAVACH SYSTEM (STATIONARY KAVACH AND NMS)
74-89
KAVACH OPERATION PROCEDURE FOR LOCO PILOT
90-101
MCB, ISOLATION SWITCH, AND COCKS FOR DIFFERENT OEMS
102-111
BRAKE INTERFACE UNITS (BIU)
112-119
TROUBLESHOOTING RELATED TO KAVACH
120-131
2

PREFACE.............................................................................................................................................1
Table of Content................................................................................................................................. 2
INTRODUCTION TO TECHNOLOGIES FOR TRAIN SAFETY IN INDIAN RAILWAYS.......................................8
INTRODUCTION................................................................................................................................................ 8
SAFETY TECHNOLOGIES IN IR.........................................................................................................................8
Vigilance Control Device (VCD)........................................................................................................................8
Fog Safe Device (FSD)......................................................................................................................................9
Anti Collision Device (ACD)...............................................................................................................................9
Auxiliary Warning System (AWS).................................................................................................................... 10
Train Protection & Warning System (TPWS)....................................................................................................11
Track and Equipment Enhancements..............................................................................................................12
Additional Safety Measures by IR..............................................................................................................

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