ES4440.2 Compact Failure Simulation Module - User’s Guide26
Hardware Features ETAS
Multiple failure modes in an ES4440.2 are always switched simultaneously – in
addition, the synchronization of all systems used in master/slave operation also
ensures the simultaneous switching of the failure modes on all systems.
2.6.1 IP Addresses and CAN Identifiers
If you are operating one or more ES4440.2 Compact Failure Simulation Modules
with the operating software LABCAR-PINCONTROL provided, you can assign
(freely selectable) IP addresses for the individual modules there and assign CAN
identifiers for read and write operations.
In addition, 120 terminating resistors for CAN can be activated via LABCAR-
PINCONTROL in individual systems via relays.
In master/slave operation, either the reference voltages or the battery voltages
must be connected to master and slave. Otherwise not all failure modes will be
carried out correctly.
Multiple failures of relays are also possible in master/slave operation. Send the
respective configuration to the master and the slave. Then activate the failures.
In case of relays failures, send also the command "Reset_all_errors" Otherwise
the failure-LED of the slave might be on even after deactivation.
Note that only one real time failure is allowed to be active in the system at a
time. Otherwise pins can be short-circuited through the rail already during con-
figuration.
In master/slave operation the resistor cascade of the ES4440.2 is used, in which
the failure occurred. In case of multiple failures the resistor cascade of the first
failure pin is used.
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