Bea 030 Configuration; Measurements On Vehicle; Engine Speed Measurement; Battery Harmonic Content - Bosch BEA 030 Originalbetriebsanleitung

4.3.2

BEA 030 configuration

After BEA-PC installation, the device interface of the
BEA 030 must be set. The BEA 030 can be connected
by way of either the USB connecting cable or Bluetooth
to a PC/Laptop.
1. Select "Start >> All programs >> Bosch >>
Diagnostics >> Central Device Communication"
or click onto " " in the task bar with the left
mouse key.
 CDC – Central Device Communication is opened.
2. Select "Settings >> Device interfaces".
i
Pressing <F1> opens the Online Help for a display of
the most important information on interface setting.
3. Configure the BEA 030 in the MTM Group
(USB or Bluetooth).
 BEA 030 is ready for operation.
4. Start BEA-PC.
i
Refer to the online help for further details on
BEA-PC.
4.3.3

Measurements on vehicle

!
Never position the BEA 030 in the vicinity of the
ignition when taking measurements in the engine
compartment.
Robert Bosch GmbH
Operation | BEA 030 | 17
4.4

Engine speed measurement

BEA 030 will select the connected speed sensor auto-
matically. If the battery B+/B– cable and the TN/TD/
EST connection cable are connected, the engine speed
measurement will be performed by TN/TD/EST signal.
4.4.1

Battery harmonic content

i
BEA 030 calculates the transmission ratio between
the alternator and the crankshaft at idle. BEA 030
requires an adaptation phase of 15 to 45 seconds
before the measuring cycle to detect the desired
signal.
1. Start the motor vehicle, and press the accelerator
briefly to cause the battery charge indicator lamp to
go out. Switch on electrical equipment such as the
heated rear window, lights, seat heating, fog lights.
2. Switch off the blower!
3. Allow the engine to idle.
4. Use the battery clamps to connect the battery B+/B–
cable to the battery.
5. After approx. 30 seconds, the measured rotational
speed will appear on the BEA-PC display.
6. Make the appropriate setting for the pulse count of
the vehicle to be tested in the Pulse count setting
menu in BEA-PC.
i
If the pulse count is unknown, change the pulse
count until the rotational speed displayed matches
the actual rotational speed.
4.4.2

TN, TD and EST signal

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The rotational speed can be determined by way of
TD, TN and EST signals, which are based on rota-
tional speed.
The speed-synchronous TN, TD or EST signals can be
tapped at a vehicle's test connectors, sensor systems
such as the camshaft sensor, ignition coils, rev coun-
ters or OBD interfaces. These signals may be in digital
square-wave form (TD/EST) or in analog alternating
voltage form (TN). The connection cable 1 684 460 196
is used to measure TN, TD and EST signals.
i
If a TN, TD or EST signal is used for engine speed
measurements, always connect the BEA 030 to ve-
hicle ground using the B– amps clamp of the battery
B+/B– cable. Only after this will it be possible to
perform an engine speed measurement.
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1 689 989 184 2018-08-08