
42
More info: visit www.bendix.com 1-800-AIR-BRAKE (1-800-247-2725)
• Axle Control Mode uses a single ABS modulator
to control both sides of a given axle or axles.
• Side Control Mode uses ABS modulators to
control each side of a vehicle separately. The
modulator may control one or more wheels.
• Fail Safe Mode reverts the system to partial,
or full, non-ABS braking in the event of certain
Diagnostic Trouble Codes (DTCs) being detected.
Additional Trailer ABS F eatures
Some optional/additional trailer ABS features are:
• Auxiliary Design Language (ADL) which allows
customized trailer features to communicate via
the ABS ECU with the tractor. Potential examples
are: weight, lift axle position, tire temperature and
infl ation status, slider pin position, refrigeration
temperature, load presence, and proximity/
reverse alarm.
• Auto-confi guration at power-up.
• Customer-defi ned data storage.
• Odometer functionality, including total, trip and
service interval tracking.
Advanced Trailer ABS F eatures
See the Schematic Diagram at the top of page 43.
Advanced trailer ABS features:
• Trailer Roll Stability Program (TRSP) that reduces
the risk of trailer roll-overs during driving by
automatic application of the trailer service brakes.
• Modular design with integrated Electronics
Control Unit (ECU), pressure sensors, lateral
acceleration sensor and Modulator Relay Valve
(MRV) — eliminating external pigtail harness for
these components.
Extended operating voltage range: 8 to 32 volts.
The Bendix
®
TABS-6 Advanced
The Bendix
®
TABS-6 Advanced system is the fi rst-ever
single-channel trailer stability system. The system
will intervene automatically when detecting conditions
that may lead to a trailer rollover – typically before the
driver realizes an intervention is needed. The system
– a 2S/1M confi guration provides quick and reliable
stability performance while simplifying installation and
maintenance, and is tank-mountable.
Trailer ABS Operation and Features, PLC, Troubleshooting
Example of 2S/1M Axle Control ABS Trailer Schematic
A Brake Light Power
B Ignition Power
C NC
D Indicator Lamp
E Ground
Control Line
7-Pin
Connector
Ground
Ignition
Power
ASA-5
®
Automatic
Slack Adjuster
SB-4
™
Spring Brake
SR-5
™
Trailer
Spring Brake Valve
WS Sensor
“SR”
WS Sensor
“SL”
TABS-6
Trailer
ABS
Module
MOD1
Dual Axle Trailer
Indicator Lamp
Trailer Chassis
Harness
Trailer ABS Pigtail Harness
5-Pin
Connector
Cyclone
DuraDrain
™
Filtration
Units
Brake Light
Power
Supply Line
Right -
“Curb-Side”
Left -
“Driver-Side”
©2009 Bendix Commercial Vehicle Systems LLC • All Rights Reserved
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