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Automation Interface I/O Connections
The Automation Interface connector J6 is used to poll the two programmable status outputs. It can be used
in two modes, selectable by the “PNP/NPN” switch on the top of the board. LED 5 indicates the position of
this switch, lighting up green for PNP or red for NPN mode. Two example diagrams are shown below to
indicate the difference between the modes. PNP (also known by the name “open-collector”) mode is
recommended in most cases. In both modes, the user must supply correct value resistors to limit the current
to 25mA or less. The voltage used should not exceed 32V DC.
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