Flowserve MX/QX Profibus DP/PA Field Unit Manual do Utilizador descarregar pdf (Página 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

100% OPEN

PBDP COMM LOSS

Remot e

Local

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Flowserve MX/QX Profibus DP/PA Field Unit Manual do Utilizador Página 37