GE PAC8000 series User Manual
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Contents
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Contents12 PAC8000* IO PROFINET Scanner User’s Manual–September 2017 GFK-2839B1.4.3 External BFP (Bussed Field Power Supply) MonitoringThe status of up to four Bussed Field Power supplies can be monitored through the statusbits of the PNS. For details, see 4.1.2.3, “PNS Power Status Register (PPSR).” The BussedField Power monitoring connector is shown in the picture below. There are two terminalmarked as 24VA and 24VB provided for connecting the 24V terminal (+) of the power supply.There are four terminals marked as BFP0V are provided to connect the 0V terminal (-). Thepower status signals from the power supplies are required to be connected to terminalsmarked as PF3, PF4, PF5 and PF6. Please note that this functionality shall only work if thepower status signal is “open-collector” type: low impedance to BFP0V when power is OK andhigh impedance if power fails.The terminal marked as “TERM1” & “TERM2” are reserved for future use.1.4.4 12V DC HVCC/PNS Power supply monitoringThe status of up to two redundant 12V Power supplies (HVCC and/or PNS power) can bemonitored through the status bits of the PNS. For details, see 4.1.2.3, “PNS Power StatusRegister (PPSR).” The HVCC connector is shown in the picture below. The power statussignals from the power supplies are required to be connected to terminals marked as PF1and PF2. Please note that this functionality shall only work if the power status signal is “open-collector” type: low impedance to GND when power is OK and high impedance if power fails |
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