WTB Gateway

WTB (Wire Train Bus) is a fundamental element of communication between vehicles as part of the Train Communication Network (TCN). It provides the inter-operability between various vehicles (in accordance with IEC61375-1).

The uniqueness of the WTB node (also so-called communication gateway) solution developed by AMiT lies in simultaneous interconnection of up to 3 types of local communications within a single vehicle:

  • MVB (Multifunction Vehicle Bus)
  • CAN
  • Ethernet

The WTB and MVB lines are doubled. The Ethernet is attached through a robust M12 connector, while a bus allows the concatenated connection.

AMiT’s WTB gateway is available in two versions – compact (a standalone device) and modular (a subrack card) ones. The modular version is based on the subrack concept of RAVA TCMS, which makes the redundancy solution feasible on the level of WTB gateway and power supply, which increases substantially the reliability and functionality of communication node.

WTB interface

1 × (doubled line)

   Connection point

4 × (D-sub DE-9)

Ethernet

1 × (10 / 100 Mbps)

   Connection point

M12, D-coded

MVB interface

1 × (doubled line)

   Type

EMD

   Connection point

2 × (D-sub DE-9)

CAN interface

1 ×

   Communication rate

up to 1 Mbps

   Connection point

2 × (D-Sub DE-9, units concatenation)

Design

compact (mounting in panel)

modular (mounting into subrack)

Protection rate

IP20

Operating temperature

-40 °C to 70 °C

Power supply

24 V / 48 V / 72 V / 110 V DC (-30 % až +25 %)

Development tools

WTB Bus Analyzer
MVB Bus Analyzer
TCN Protocol Stack

Standards

EN 50155, EN 50121-3-2, EN 61373, EN 60068-2-1, EN 60068-2-2, IEC61375-1, IEC61375-2, IEC 61375-3-4, UIC CODE 556, MIL HDBK217F2

 

Types available:

Compact design

Ethernet

CAN

MVB
class 5

RRU-WE/1001

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RRU-WEM/1151

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RRU-WEC/1101

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RRR-WTB/C

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Modular design

Ethernet

CAN

MVB
class 5

RV-WE/1000

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RV-WEM/1150

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RV-WEC/1100

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