Siemens Sinumerik 828D Manual page 215

Type plate
The type plate and the MAC address label are 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.
Figure 7-53
LEDs for status display
The PP 72/48D 2/2A PN has the following status displays that provide information on the
module status:
Table 7-86 LEDs
Name Designation
H1 PowerOK
H2 PNSync
H3 PNFault
H4 DIAG1
PPU and components
Manual, 05/2015, 6FC5397-2DP40-3BA4
PP 72/48D 2/2A PN type plate
Color Description
Green Lit: Power supply ok
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.
Green Lit: Task system is synchronized to the bus cycle clock.
Not lit: Task system is not synchronized to bus cycle clock.
Flashes 0.5 Hz: Task system is synchronized to the bus cycle clock and cyclic data ex‐
change is running.
Red Not lit: Module is operating without errors; data exchange with all configured I/O devices
is running.
Lit: Serious bus fault; only output when one of the following errors is detected for the ports:
● No physical connection to a subnet/switch
● Incorrect transmission rate
● Full duplex transmission is not activated
Green Reserved
Anschließbare Komponenten
7.9 PP 72/48D 2/2A PN
215