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FnIO G-Series
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6. G-Bus Pin Description
Communication between the GN 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
.
*Please refer to the table below regarding the pin description from P1 to P8.
No.
Description
P1
System Power (VCC)
P2
System Power (GND)
P3
GBUS TX +
P4
GBUS TX -
P5
GBUS RX +
P6
GBUS RX -
P7
Field Power (GND)
P8
Field Power (VCC)
Do not touch data and field power pins in order to avoid soiling and
damage by ESD noise.