Status Displays Pp 72/48D 2/2A Pn - Siemens sinumerik 828d Service Manual

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4.5.4

Status displays PP 72/48D 2/2A PN

LEDs for status display
The following LEDs on the I/O module provide information about the module state:
Figure 4-16
Power Off
Power On (voltage is stable)
Boot software runs and loads the system
software.
System software runs
System software runs, no communication to
the controller.
System software runs, communication to the
controller, STOP state
System software runs, communication to the
controller, RUN state
Overtemperature alarm
Hardware and Software
Service Manual, 03/2011, 6FC5397-5DP40-0BA0
Switch S1 and LEDs H1 to H6
H1 (green)
PowerOK
off
on
on
on
on
on
on
--
H2 (green)
H3 (red)
PN Sync
PN Fault
off
off
off
off
on
on
off
off
off
off
on
off
Flashes at
off
0.5 Hz
--
--
Service cases - hardware
4.5 I/O modules
H4 (green)
H5 (green)
Diag1
Diag2
off
off
off
off
on
on
off
off
off
off
off
off
off
off
--
--
H6
OVTemp
off
off
off
off
off
off
off
on
105

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