PCAN-Router – User Manual
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6.2
Preparing Hardware
For an upload of new firmware via CAN, the CAN bootloader must
be activated in the PCAN-Router. This can only be done via CAN
channel 1. Firmware transfer, on the other hand, can also be done
via CAN channel 2.
Do the following to prepare the hardware:
Danger of short circuit!
Take great care when soldering to
avoid short circuits.
Attention!
Electrostatic discharge (ESD) can damage or destroy
components on the card. Take precautions to avoid ESD.
1.
Disconnect the device from the power supply.
2.
Establish a connection between
Boot
and the power supply
(
U
b1
,
U
b2
, or
U
b
).
Figure 5: Connection at D-Sub
connector CAN1 between the pins 6
and 9
Figure 6: Connection at the screw
terminal block between terminals 1
and 7
This measure later applies the
Boot
connection with a high
level.
3.
Connect a CAN bus of the PCAN-Router with a CAN
interface connected to the computer. Pay attention to the
proper termination of the CAN cabling (2 x 120
).
Attention!
Risk of short circuit! A CAN cable with D-Sub
connectors must not have a connection on pin 6, as it can be
seen on 1:1 cables, for example. At other CAN nodes (e.g. a