Train Protection and Warning System (AWS / TPWS)
TPWS Control UnitCombining service-proven TPWS with a new standardised ETCS interface
TPWS Driver Machine Interface (DMI)All new vehicles entering service must now be fitted with an upgraded version of TPWS to GE/RT8030 Issue 4 and part of this upgrade is the addition of a DMI. DMI available in a panel option or digital visual display unit on a single touchscreen.
AWS Alarm and IndicatorOn most vehicles operating in the UK the AWS Alarm and Indicator functions are combined in a single unit.
AWS ReceiverThe AWS Receiver is mounted under the train, also ideally on the bogie, and senses the track mounted AWS magnets and transmits their polarity to the TPWS Control Unit.
TPWS Antenna / AerialThe TPWS Antenna is mounted under the train, ideally on the bogie, and senses the frequencies generated by the track mounted TPWS equipment and transmits them to the TPWS Control Unit.
AWS Indicator / "Sunflower"The AWS Indicator (or sunflower) is mounted in the cab in the drivers field of vision whilst looking at the track ahead. It shows the status of the last AWS signal received by the TPWS Control Unit.
AWS and TPWS Test Equipment
- Mors Smitt can supply all necessary test equipment to ensure the vehicle interfaces correctly with the track equipment. This test equipment is used to ensure that the installation complies with the relevant standards throughout the life of the vehicle. First of class characterisation, commissioning and maintenance testing equipment.