Flowserve MX/QX Profibus DP/PA Field Unit - Manual (Page 37)

37
PB DPV1 / PA Field Unit Installation and Maintenance FCD LMENIM2336-03 – 12/12
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Figure 2.24b illustrates the PB DP field unit with a COMM LOSS display.
Figure 2.24b – No Communications
2.8.3.3 HARDWARE FAILURE
If HARDWARE FAILURE is displayed, either the device or the bus power supply has failed. Check the
bus power supply voltage and the wiring connections.
Figure 2.25 illustrates the field unit with a BUS display.
Figure 2.25 – Hardware Failure, No Communication, Bus Power Lost
100% OPEN
HARDWARE
Remot e
Local
or
100% OPEN
PBDP COMM LOSS
Remot e
Local
or