Connectable components
9.3 PP 72/48D 2/2A PN
NCU 7x0.3 PN
116 Manual, 09/2011, 6FC5397-1EP40-0BA0
Note
The type plate is located on the rear side of the mounting plate. It is advisable to make a
note of relevant data as it is no longer visible after installation.
LED displays
Each PROFINET port has two integrated LEDs displaying the link status (green) and activity
(yellow); see the chapter titled Application (Page 55).
The PP 72/48
D 2/2A PN has the following LEDs, which provide information on the module
status.
Table 9- 32 LEDs: Status display
Name Designation Color Description
Lit: Power supply ok H1 PowerOK Green
Not lit: As soon as one of the generated logic voltages falls below its setpoint, a reset is
triggered and the PowerOK LED goes out.
Lit: Task system is synchronized to the bus cycle clock.
Not lit: Task system is not synchronized to the bus cycle clock.
H2 PNSync Green
Flashes 0.5 Hz: Task system has synchronized to the bus cycle clock and cyclic data
exchange is running.
Not lit: Module is operating without error. H3 PNFault Red
Lit: A system error has occurred (faulty module, incorrect parameterization by the
PROFINET controller, etc. ).
H4 DIAG1 Green Reserved
H5 DIAG2 Green Reserved
H6 OVTemp Red Overtemperature display
Note
When the system is booting, LEDs H1, H2 and H3 are lit.
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