Pin No. Signal Function
1 VP +5V supply for terminating resistors
2 RxD/TxD-N Data line minus (A-line)
3 DGND Data ground
4 RxD/TxD-P Data line plus (B-line)
5 Shield Ground connection
Note: If the pump is the last bus device connected to the PROFIBUS cable it must be
terminated using terminating resistor (PROFIBUS standard EN 50170). To maintain ingress
protection the resistor must be IP66 rated.
m-qdos-en-02 41
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