Project Kärcher KCRC-West Hongkong

Customer KCRC Hongkong   City Hongkong / China Supplier Kärcher Planning Commissioning Hand over 4/2003 6/2003 8/2003

Projectdesription:

The plant is used to wash metro-trains from the Hongkong Metro. The washplant can wash the train with acid and alcaline detergent.

The washingtime is between. 11-15 min for a 6-cartain (120m) with front and rearwash . It is no operating personal at the plant necessary.

The project KCRC West Hongkong contains

	development from plant software
	communication via fiber optic to control center
	commissioning

Controlling:

To control the plant a Simatic S7 400 is used with a CPU 414-3 DP . The Sensor/Actors are controlled viaInterbus - S

A remote touch panel is used to communicate via fiber-optic and PROFIBUS-DP protocol to the CPU.

Control Room:

The Operating of the plant is done by the operaters in the DCC-Controlroom.The distance to the plant is appr. 1,2km. The incomming train must report to the Operator . If the Operator starts the pla, the Traindriver is authorized to drive throw the plant.

Bodywash:

The Bodywash includes Front-Rearwash. It will be exectued after the train stand in correct postion. The side-wash is done by moving train. The train driver get order via visual matrixboards in english/chinese language.

A measurement of the train speed shows the train driver the actual speed and the information that he move to fast, or to slow.

Underframewash:

The Underframewash is used to clean the trains underframe before maintenance work . The train will positioned over 2 trolleys, which move from one end to the other and wash the train with high-pressure

Critical sections like Transformers, Inverters will automatically not washed.