I/O Modules; Status Displays Pp 72/48D Pn - Siemens SINUMERIK 828D Series Software And Hardware Service Manual

Service cases - hardware

4.6 I/O modules

4.6 I/O modules
4.6.1

Status displays PP 72/48D PN

LEDs for status display
The following LEDs on the I/O module provide information about the module state:
Figure 4-18
Power OFF
Power ON (voltage is stable)
Boot software runs and loads the system soft‐
ware.
System software starts
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
110
Switch S1 and LEDs H1 to H6
H1 (green)
PowerOK
OFF
ON
ON
ON
ON
ON
ON
--
H2 (green) H3 (red) H4 (green)
PN Sync PN Fault Diag1
OFF OFF OFF
OFF OFF OFF
ON ON ON
OFF OFF OFF
OFF OFF OFF
ON OFF OFF
Flashes at OFF OFF
0.5 Hz
-- -- --
Service Manual, 08/2018, 6FC5397-5DP40-6BA1
H5 (green) H6
Diag2 OVTemp
OFF OFF
OFF OFF
ON OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
-- ON
Software and hardware