78 | Functions of the System
ETAS ES800 System | User Guide
In the "Low power standby" operating state, the ES820.1 Drive Recorder can start
the recording of measured data with a short delay.
"Fast boot standby" Operating State (ES820.1)
In the "Fast boot standby" operating state, the Embedded PC of the Drive Recorder
is in the idle state ("Standby mode", "Suspend-To-RAM"). The current consump-
tion of the ES820.1 in this operating state is higher than in the "Low power standby"
operating state.
The "Wake-Up" function is activated and the ES820.1 can switch to the "Low power
standby" operating state in a time-controlled manner or to a different operating
state following an event depending on the configuration.
In the "Fast boot standby" operating state, the Drive Recorder can start the
recording of measured data with a minimal delay.
11.2.3 "On" Operating State
In the "On" operating state, all modules of the system are supplied with operating
voltage and all interfaces are activated. The system was activated by a "Wake-Up"
event. The system remains in the "On" operating state until it switches back to the
"Standby" operating state following an event.
If the ES820.1 Drive Recorder is switched on, a distinction is made between the fol-
lowing operating states:
- "Passive on" operating state
- "On" operating state (Active on)
In the "On" operating state, the Drive Recorder can start the recording of mea-
sured data with the shortest delay.
"Passive on" Operating State (ES820.1)
In the "Passive on" operating state, the ES820.1 Drive Recorder is supplied with
operating voltage. Only the switch of the ES820.1 module is activated, so that
other modules in the module stack can communicate via the system bus and
exchange data via this assembly of the ES820.1.
The ES820.1 module cannot be accessed with the "Drive Recorder Configurator"
configuration program. The Drive Recorder function of the module is not available.
"Active on" Operating State (ES820.1)
The "Active on" operating state of the ES820.1 is similar to the "On" operating state
of the other modules of the system.
NOTE
This operating mode enables an INCA PC to access modules of a module stack
with an ES820.1 Drive Recorder. The Embedded PC of the ES820.1 module is pre
-
vented from accessing the other modules.
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