WABCO TEBS E4 - Electronically Controlled Air Suspension System (ECAS)

TEBS E
4
Introduction
17
4.1.3 Electronically controlled air suspension system (ECAS)
An electronically controlled air suspension (ECAS) is an integral part of the
TEBS E Modulator (Premium).
1-point control with a height sensor and a lifting axle (for semitrailers)
The brake lines are not shown in this schematic.
Legend
1
Power supply via ISO 7638
2
Control line
3
Supply line
4
Stop light supply 24N via ISO 1185 (optional)
5
Height sensor
6
TEBS E Modulator (Premium) with integrated
control unit and integrated bellows pressure
sensor for lifting axle control
7
External remote control unit, e.g. SmartBoard,
Trailer Remote Control, ECAS remote control
unit or ECAS control box
8
ECAS solenoid
valve
(with lifting axle
control)
9
Charging valve
10
Lifting bellows
11
Tristop® cylinder
12
Support bellows
13
Service brake system reservoir
14
Reservoir for the
air suspension
15
Park-release emergency valve (PREV)
The lines represent the cabling and piping of the components.