PiXtend eIO Hardware Manual
The structure is graphically shown again in Figure 28:
In the last step, we activate the bus terminating resistors on the first and last bus node of
the line structure. In our setup, this means that the master is PiXtend V2 -L- and the
PiXtend eIO Digital One.
With PiXtend V2 -L-, the terminating resistor is activated with the help of a jumper, directly
next to the "RS485" connection block. We set the jumper to the marked position "ON". For
PiXtend eIO Digital One only the switch "T" has to be switched to "ON". Now everything is
ready to work with the devices.
Commissioning with software - in the first step with a small test program - can be found in
the software manual for PiXtend eIO.
If the digital outputs of the PiXtend eIO Digital One are to be used in this configuration,
then the supply connections of the outputs must also be wired. Further information can be
found starting on page 94.
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Figure 28: Test setup - PiXtend V2 -L- as master
