Kvaser Memorator Light HS v2 User’s Guide
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Figure 2: CAN connector on Kvaser Memorator Light HS v2
3.4
Power supply
The device does not have internal galvanic isolation, therefore
supplying power on both USB and CAN side at the same time
may damage the device unless both power sources have the
same electric ground potential.
The Kvaser Memorator Light HS v2 can be powered through the CAN connector or
through the USB connector.
To operate the Kvaser Memorator Light HS v2 in logger mode, you
must
supply
power through the CAN connector. To configure the device, power the device via
USB.
The Kvaser Memorator Light HS v2 contains a battery that needs to be fully
charged before using the device for the first time. Connect the Kvaser Memorator
Light HS v2 to either a powered USB port or supply power through the CAN
connector and let the battery charge overnight.
The battery inside the Kvaser Memorator Light HS v2 is used for powering the real
time clock and ensuring a safe shutdown of the device when disconnected.
To maintain a healthy battery you need to:
•
Always connect the Kvaser Memorator Light HS v2 to a properly powered
USB hub, using the supplied cable, when connected to a computer.
•
If the Kvaser Memorator Light HS v2 is not used regularly, ensure the device
is recharged at least twice a year overnight at room temperature.
All charging times are given at temperatures between −10
◦
C to
+40
◦
C. In warmer and colder temperatures the charging time will
increase.
See Section 4.2, CAN connectors, on Page 12 for information on how to connect
power to the connector. The supply power should be in the range specified in
Section 4.1, Technical data, on Page 12.
Kvaser AB, Mölndal, Sweden — www.kvaser.com
