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LEDs on the back of the Profibus card

The following table explains what indicator LED displayed on the back of the Profibus card represents.








BOTTOMTOPPROBLEM
OFFREDNode is not connected.
Another unused node has a terminator resistor that is being used.
REDREDWires are crossed on the network.
REDBlinking GM/RedTerminating Resistor not set on I/O side.
GREENREDTerminating resistor on PowerStation side needs to be turned on.
GREENGREENWorking properly.