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Parameters for vehicle adaptation
Wake-up via CAN-bus
Source to reset the trip distance
Configuration of lighting control
Operating mode of the input A2 for
lighting control (where FD34 = 0)
PWM configuration for lighting control
(if FDA1 = 2)
Factor for calculating the speed of the
output shaft "Output Shaft Speed")
Selection of engine-speed data source
Engine speed factor (n-factor)
Configuration of the serial interface on
D7
Configuration of the serial interface on
D8
Monitoring of pulse output B7
Function of the pulse output D6
CAN Heart beat monitoring of a con-
nected bus subscriber
Transmission interval of the TCO1
message
Configuration of FMS service
The following describes the meaning of the most important parameters.
8.3.1
Nominal voltage of the vehicle (on-board power supply) (RDI=0xFDA3)
This parameter defines the vehicle's nominal voltage, which can be either 12 V or 24 V. The setting for nominal voltage is neces-
sary for the tachograph to detect and record over-and under-voltage, among other things.
8.3.2
CAN-bus configuration of the main CAN vehicle bus (CAN MAIN)
This CAN bus is used to communicate with an instrument cluster or a speedometer. If EFAS is to be connected to the vehicle CAN
bus, a number of parameters must be taken into account for the basic configuration of the CAN bus. Depending on the type of
vehicle, the main bus is connected to the A connector or the C connector.
Configuration of the CAN bus and the role of certain CAN parameters is described separately in section 13.1.
6
RDI ... Record Data Identifier
7
AUTO: Indicates which parameters are included in the auto detection feature.
8
HDEI Standard SAE J1939, CAN message „front axle speed" on MAIN CAN-Bus.
Workshop Manual
Smart Tachograph EFAS-4.10/4.11
Settings/value ranges
0:
Wake up from standby not possible
1:
Wake-up via CAN message possible
0:
Reset via the CAN bus
1:
Reset via the tachograph menu (keypad)
0:
Set brightness of EFAS by menu and pin A2
1:
Set via the CAN bus
0:
Disabled (A2 is not used for lighting control)
1:
Digital input (default).
2:
Analogue input.
3:
A2 is a PWM signal.
4:
Special vehicles/military mode
5:
Automatic detection
This parameter defines the control of the lighting when the input
A2 is configured as an analogue input.
0.001 to 64.255 imp/rev
8
0:
Via pin C3
1:
Via CAN-bus EEC1 message
1 to 64255 imp/1000 rev
Activation status (ON/OFF)
Protocol (IIP/ISO 14229/ISO 14230 optional)
Activation status (ON/OFF)
Output level (10 V/vehicle nominal voltage)
Protocol (IIP/ISO 14229/ISO 14230 optional)
Activation status (ON/OFF)
Measurement cycle in seconds
0:
Disabled, output level "low"
1:
Disabled, output level "high"
2:
D6 has the same pulse rate as the outputs B6, B7 (default).
3:
D6 has a different pulse rate than B6, B7, as defined by a
factor.
Factor: 4.000 to 25.000 impulses/m,
Default: 8.000 impulses/m
0:
deactivated
1:
activated
0:
20 ms
1:
50 ms
0:
deactivated
1:
FMS activated on CAN main
2:
FMS activated on CAN aux.
34
7
RDI
6
AUTO
hex
FD6B
FD00
P
FD34
P
FDA1
FDA2
F91E
FD3A
P
FD32
FD26
FD26
P
FD35
FDA0
F90C
P
F920
P
FD9E
P
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