BENDIX BW2718 Manual de usuario Pagina 6

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Pigtail Wiring Harness: A power pigtail harness is
required,variationsthatincludeauxiliarysub-harnesses
are available, as needed. See Figure 6.
Lift Axle Sensing: Ifatrailerisequippedwithaliftaxle,
thenliftaxlesensingmustbeused,unlesscongured
for automatic lift axle control (see below). A pressure
threshold switch must be installed in the lift bag for the
liftaxleandconnectedtotheECU.TheECUcanthen
monitor the position of the lift axle and will compensate
correctly for the load transfer to the other axle(s) when
the lift axle is raised.
Lift Axle Control: The Bendix
®
TABS‑6
Adv can be
conguredtoautomaticallyraise(andlower)liftaxle(s)
whenapre-conguredloadissensed.
Load Sensor: Ifatrailerisequippedwithanexternal
electrical spring deection sensor, See Figure 3, a
linkage is attached to an axle (but must not be installed
onaliftaxle)—within5(ve)inchesofthecenterof
the axle — connects to a load sensor attached to the
chassis of the vehicle. The output from the sensor is
an electrical signal that is proportional to the spring
deection.Theconnection totheElectronicControl
Unit(ECU)isviaanauxiliarysub-harness(partofthe
power harness). See Figure 6.
FIGURE 6 ‑ EXAMPLES OF PIGTAIL WIRE HARNESSES
To ECU
To WS-24
Wheel
Speed Sensor
Wheel Speed Sensor
Extension Harness
Pigtail Harness
6-pin Auxiliary
(Optional)
18-Pin ECU Connector
18-Pin ECU Connector
18-Pin ECU Connector
4-Pin SAE J1939 CAN
(Optional)
4-Pin SAE J1939 CAN
(Optional)
4-Pin SAE J1939 CAN
5-Pin Power and
Indicator
Lamp (POWER/WL)
5-Pin Power and
Indicator
Lamp (POWER/WL)
5-Pin Power and
Indicator
Lamp (POWER/WL)
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