X90 mobile modules
110
X90 mobile system User's manual V 1.20 - Translation of the original manual
5.2.2.10 Inrush current
If the X90 mobile system is supplied with power from a power supply instead of a battery, note that sufficient energy
storage capacity of ≥4700 µF is necessary.
The reason for this is that a buffer capacitor is charged when the relay is switched on, which results in a voltage
dip of <1 ms.
The X90 mobile system is not affected by this. This can have a negative influence on other components using the
same power supply, however.
Power supply
of other devices
ECU
Vcc
Ipk
Buffer capacitor
GND
Sensor/Actuator GND
GND
Distribution terminal block
Vdrop
Power supply /
Battery
30
31
5.2.2.11 General data points
This module is equipped with general data points. These are not module-specific; instead, they contain general
information such as serial number, system time and heat sink temperature.
General data points are described in section
"General data points" on page 370
.
