User manual

Chapter 8: Internal Devices
Automatic Shutdown Process
122 8580/8590 Vehicle-Mount Computer User Manual
8.8.1.1 Program Flowchart
Figure 8.1 Automatic Shutdown Program Flowchart – Part 1
OFF
MAIN POWER
ON
Temp.
Sensor
faulty ?
Temperature
?
Temp.Sensor
faulty
flashing
Excessive high
temperature
Heating
available?
Heating on
Heating
available?
Heating off
Heating off
T < 5°C
3 min
Start time
elapsed
T > 10°C
Computer
switched on
Startup
Heating
Low temperature
T > 0°C
T > 0°C t
Heat
> 15 min
Ignition off
Ignition off
Ignition off
DC+ on
Ignition on
Temp.
Sensor faulty
Ignition off
> 62°C
< 0°C
NORMAL
0°C...62°C
Sensor faulty
R
GR
R
G
R
R
R
G R
flashing
R
Yes
No
No
Yes
Heating MPC 6
T = Temperature
t = Time
Ignition = DC+
switched
G = Power LED
R = Temp. LED
Flashing =
PC ON
= Computer is power
supplied
= Computer without
power
ACTION
EVENT
Branching
STATUS
Yes
No
OFF=
ON=
Temp.
Sensor
faulty
T<62°C
PC OFF
PC OFF
PC OFF
PC OFF
PC OFF
PC ON
Yes
G
GG
PC OFF