G.G. Tronics

Multi Section Digital Axle Counter "MSDAC-G39" Versatile Axle Counting System Configurable up to 40 DP and 40 Sections

Overview

MSDAC-G39 is a fail safe, reliable and user friendly 2oo3 architecture-based Axle Counter
Approved by RDSO & Complies with RDSO/SPN/176/2013 Ver 3.0
Certified CENELEC SIL-4 standard EN50126, 50128, 50129, 50159 Part A and B and ISA certified by M/s BV Italy
EMI / EMC tested as per EN61000 and EN55016 standards

Features

MSDAC-G39 Supports up to 40 Detection points and 40 sections in station, auto section, IB section, bridges & LC gates
Configurable also as SSDAC and HA-SSDAC as per RDSO/SPN/177/2012 Version 3.0 with 2oo3 Evaluator and single / dual detection for Block operations
Works with 24 VDC common power supply, 9 to 36 VDC
Fault tolerant data communication of V.23 as per CCITT standard and Supports communication on PIJF cable, half quad copper, OFC on voice / data channel, E1 and RF communication with CENELEC 50159 Category A & B
Supports SSI interface through fail safety telegrams on Modbus protocol and data logger via Ethernet
Supports train speed up to 250 KMPH
Supports hot swapping of card modules in Central Evaluator
Supports both Hardware and Software Reset through VDU software
Self-Diagnostic and configuration checking between CPU’s.
Event logging up to 54000 events, Remote Event Downloading facility available through internet and system monitoring through Internet with IOT technology
Capable of extending Central Evaluator in daisy chain form with reliable inter-communication of data between the Central Evaluator to Central Evaluator
Supports 16 numbers of Vital and Non-Vital inputs and outputs for multiplexing reducing cables between stations
Reliable inter-communication of data between the Central Evaluator to Field units at distances up to 25 km’s with Local Power Supply and 5 Km’s with Centralized Power Supply
MSDAC-G39 can be used in various railway applications like Station Yard, Block Section, Intermediate Block Section, Automatic Section, Level Crossing control, bridge track circuiting etc
Field DP system can be configured as,
- 1C1E : Single communication with single Evaluator
- 2C1E : Dual redundant communication with single Evaluator
- 2C2E : Dual independent communication with two Evaluators
Optional Single Sensor can be replaced with FDP to work up to 12 KMs without any Field Electronics in dual communication channel of Quad and RS485 with OFC interface
Stable operation at -30 to +70 Degree Celsius

Reset (Hardware or software Reset)

Co-operative — Prep mode with/without piloting
Direct — With/without Line Verification
Client operatable Hardware Reset or VDU assisted Software Reset

Technical Specifications

Central Evaluator System

Microcontroller based fail-safe embedded system
Complete SMT technology, miniaturized 3U card frame
Fixed pair communication, CRC check with AES128 Cryptography algorithm. Unique addressing of units ensures fail-safety.
User friendly GUI aids to configure DP’s and Sections
Units can be housed in location boxes near the tracks
Expandable chassis with Redundant Power Supply to suite DP’s and Sections as per customer need with Fail Safe CPU’s only in Main Chassis

MSDAC – G39 Evaluator System & Card Modules

MCPU : Central Processing Unit 2oo3
MDP : DP card supports 2 DP
MSC : Vital Section card supports 1 section
MCE : Communication
MDC : DC-DC Converter
MCOM : MSDAC to MSDAC Communication

FDP-G39 & G39A Field DP System & Card Modules

Microcontroller based fail-safe embedded system
2oo2 CPU based field electronics with V.23 quad interface and direct OFC interface
Can drive up to 2 Vital Relays at field repeated from Central Evaluator
Connects to Evaluator System via Quad & Fiber connectivity on hot standby redundant communication. Ideal for long distance communication up to 25 Km’s with local Power Supply and short distance up to 5 Km’s with centralized Power Supply of 110 VDC