PiXtend eIO Hardware Manual
5.2.1.Jumpers for PiXtend eIO Digital One
Each PiXtend eIO Digital One device - regardless of which variant - is supplied with eight
jumpers. These jumpers can be plugged in if required:
–
Jumpers 5 V / 24 V (digital inputs)
Each digital input has two pins that can be connected together by a jumper. The two
left pins belong to DI0, the two following to DI1 and so on.
If two pins of different channels are wrongly connected, this does not lead to a
defect. However, signals from one input are transmitted to the other, which can lead
to unexpected behavior.
Check the correct jumper setting before connecting a signal to the inputs.
If no jumper is plugged in, the digital input is in the range 24 V (factory setting). If a
jumper is plugged in, the input is in the 5 V range. According to this setting, the
switching levels of the inputs are adjusted.
–
If you are still unsure about which voltages are connected to the digital inputs, do not insert
a jumper and remain in the 24 V range.
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Figure 19: Jumper – digital inputs in the 24 V range
