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FnIO MODBUS Adapter NA-9171, NA-9173
FnIO S-Series
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4.3.
Internal FnBus/Field Power Contacts
Communication between the NA series and the expansion module as well as system / field power supply of the bus
modules is carried out via the internal bus. It is comprised of 6 data pin and 2 field power pin.
Do not touch data and field power pins in order to avoid soiling and damage by ESD noise.
