InteliLite Global Guide
133
5.5.24 ECU Frequency selection
Setpoint
ECU Freq Select
is no longer in use. However
ECU Frequency Select (page 457)
value was kept
and the value can be calculated from
setpoint. Sequence for frequency
change is executed automatically (engine must be in still condition and ECU is powered on – ECU Power Relay
is not configured) in following steps:
1. Starting of the engine is blocked (state: Not Ready)
2. Wait 100 ms
3.
ECU Stop Pulse
is set for 1000 ms (standard Stop Pulse duration)
4. Wait 3000 ms
5. Frequency selection is changed to a new value
6. Wait 2000 ms
7.
ECU Stop Pulse
is set for 1000 ms (standard Stop Pulse duration)
8. Wait 2000 ms
9. Come back from start blocking state
This sequence does not control LBO
anyhow.
Note:
If LBO
is used, this change can be made only in prestart phase. So
prestart has to be set up for enough long time.
5.5.25 Cybernetic security
The cybernetic security is formed by:
Hardening the storage of a credentials
Protection against a brute-force attack to the password
Secure method to reset the password
A new technology of encryption of the remote communication
Web interface can be disabled
IMPORTANT: Due to this, we do not recommend performing a rollback from FW 1.8.0 to FW
version 1.7.2 or older.
Hardening the storage of a credentials
The user credentials (passwords and access code) have been moved to a hardened storage to prevent the
credentials to leak out of the hardware.
IMPORTANT: If a firmware rollback is inevitable, please keep in mind, when the firmware is first
time updated to the new firmware (which uses hardened storage) a seamless transfer of the
credentials into the hardened storage is performed. However, if the rollback to any previous
firmware (which does not use hardened storage) is performed the credentials are NOT transferred
back, so the previous firmware will not “see” any change of the credentials made through the new
firmware. Moreover, as the transfer of the credentials into the hardened storage is performed only
during very first update from an “old” to a “new” firmware, no change of the credentials performed
in the “old” firmware after the rollback will be visible in the “new” firmware after a next update to
the “new” firmware.
Summary of Contents for InteliLite AMF25
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