PCAN-MicroMod Mix 1 – User Manual
9
Figure 3: Position R33 (bottom side of the PCB)
Note:
You do not need to consider voltage fluctuations that
might occur. A modification isn't required in that case. Exam-
ple: In the automotive sector up to 18 V may occur at a nominal
voltage of 12 V.
2.2
Pull-up/Pull-down Circuits for the
Digital Inputs
At delivery the digital inputs are set to pull-up circuits. You can set
them to pull-down circuit in groups. This is done by repositioning
resistors.
Digital inputs
Pull-up (+U
b
)
*
Pull-down (GND)
DIn 0
R31 (2.7 k
) R12
(2.7
k
)
DIn 1 and DIn 2
R53 (0
) R55
(0
)
DIn 3 to DIn 5
R54 (0
) R56
(0
)
*
Setting at delivery
