7
User Guide
USB2CAN
2.4 Testing modes
There are three testing modes supported by Korlan USB2CAN:
•
Loopback
•
Silent
•
Silent loopback
Loopback mode
1
Silent mode
2
Silent loopback
3
is used to test if the device is
operational when only one device
is available. If Korlan USB2CAN
is in loopback mode, everything
what is sent through the CAN
interface is send back to device.
It is like the CAN interface TX pins
are connected to its RX pins.
means the interface only listens
to the CAN bus. This means the
unit does not even provide an
ACK frame when a message is
placed on the CAN bus correctly.
is self test mode which can be
used in a working CAN system
without interfering with it.