34
Workshop Manual
Smart Tachograph EFAS-4.10/4.11
Parameters for vehicle adaptation
Settings/value ranges
RDI
6
hex
AUTO
7
Wake-up via CAN-bus
0:
Wake up from standby not possible
1:
Wake-up via CAN message possible
FD6B
Source to reset the trip distance
0:
Reset via the CAN bus
1:
Reset via the tachograph menu (keypad)
FD00
P
Configuration of lighting control
0:
Set brightness of EFAS by menu and pin A2
1:
Set via the CAN bus
FD34
P
Operating mode of the input A2 for
lighting control (where FD34 = 0)
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
FDA1
PWM configuration for lighting control
(if FDA1 = 2)
This parameter defines the control of the lighting when the input
A2 is configured as an analogue input.
FDA2
Factor for calculating the speed of the
output shaft “Output Shaft Speed”)
0.001 to 64.255 imp/rev
8
F91E
Selection of engine-speed data source
0:
Via pin C3
1:
Via CAN-bus EEC1 message
FD3A
P
Engine speed factor (n-factor)
1 to 64255 imp/1000 rev
FD32
Configuration of the serial interface on
D7
Activation status (ON/OFF)
Protocol (IIP/ISO 14229/ISO 14230 optional)
FD26
Configuration of the serial interface on
D8
Activation status (ON/OFF)
Output level (10 V/vehicle nominal voltage)
Protocol (IIP/ISO 14229/ISO 14230 optional)
FD26
P
Monitoring of pulse output B7
Activation status (ON/OFF)
Measurement cycle in seconds
FD35
Function of the pulse output D6
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
FDA0
CAN Heart beat monitoring of a con-
nected bus subscriber
0: deactivated
1: activated
F90C
P
Transmission interval of the TCO1
message
0:
20 ms
1:
50 ms
F920
P
Configuration of FMS service
0: deactivated
1:
FMS activated on CAN main
2:
FMS activated on CAN aux.
FD9E
P
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.
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