Parker Pro Display 10 Instruction Book
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5.5. Pro Display operation modes
Pro Display has three operational mode controls:
Run
-
shutdown
- and
sleep
mode:
•
Run mode
is started after Vbatt is in proper voltage level and ignition signal is
ON.
•
Entering into sleep
mode
from run mode is handled from application software.
•
Return from sleep mode
is triggered based on events from wake-up sources.
•
Pro Display is
shutdown
from application software.
Table 17: Conditions for operating modes
Ignition (keylock) signal controls Pro Display power supply. Software keeps power
supplies ON or forces it down. The principle of operating modes is seen in chart below:
System
Running
(power ON)
Shutdown
sequence
Ignition ON
and Vbatt OK
Wake up source ON
Application control
Power down
(power OFF)
Shutdown Request
Sleep
(power ON)
Internal under/overvoltage event
Internal under/overvoltage event
Internal
under/overvoltage event
Power up
sequence
Supplies OK
Figure 15: Pro Display operating modes
VBatt
(supply
voltage)
Ignition
signal
Wake-up
source
Internal
power
supply
Operating
mode
0…6V
X
X
OFF
SHUTDOWN
6…36V ON
X
ON
RUN
6…36V OFF
OFF
ON
SLEEP
6…36V OFF
X
OFF
SHUTDOWN