Table of Contents
Advertisement
5. Engine shuthown detection
The engine shutdown detection mechanism simplifies your ORION-Tr DC-DC Charger system by detecting if the engine is
running without wiring additional switches or sensors. The factory default setting will work with most regular and smart alternators
but can be re-configured with the VictronConnect App.
Configuring the engine shutdown detection depends on the voltage generated by the alternator when the engine is running.
Regular alternators will generate a fixed voltage (e.g. 14V) where smart alternators generate a variable output voltage which can
range from 12.5V to 15V. Especially smart alternators in a regenerative braking system show large alternator voltage variations.
Engine shutdown detection is only active in charger mode. The feature can be disabled by the "engine shutdown detection
override" and in VictronConnect as shown in figure 5. In power supply mode the "input voltage lock-out" determines when the
output is active.
The engine shutdown detection is updated from software version v1.05 onwards.
5.1. Engine shutdown detection sequence
Figure 8: Engine shutdown detection sequence
0 → 1: If the engine runs the alternator voltage will ramp-up, when V
1 → 2: The input current produces a voltage across the input cable (V
charger (V
). If V
> V
the charger will operate at I
IN
IN
shutdown
2 → 3: If V
≤ V
, the charge current will be reduced to prevent V
IN
shutdown
3 → 4: If V
< V
for longer than 1min (t
IN
shutdown
t
runs out, charging remains enabled.
shutdown
4 → 5: If V
< V
< V
start(delay)
IN
start
Page 8
Orion-Tr DC-DC Smart Charger Non-Isolated
.
max
) "engine off" is detected and charging is disabled. If V
shutdown
charging is enabled after t
start delay
> V
, charging is enabled.
starter
start
); this voltage reduces the voltage measured by the
cable
to drop below V
.
IN
shutdown
(configurable).
> V
before
IN
shutdown
Engine shuthown detection
Hide quick links:
Advertisement
Table of Contents
