Siemens SINAMICS S120 - Diagnostics Using Leds; Control Units; LED States of a CU320-2 PN

Diagnostics
5.2 Diagnostics using LEDs
Commissioning with Startdrive
138 Commissioning Manual, (IH3), 07/2016, 6SL3097-4AA10-0BP0
5.2
Diagnostics using LEDs
5.2.1
Control Units
5.2.1.1
LED states of a CU320-2PN
The various states of the CU320-2 PN Control Unit when powering up and in operation are
displayed using LEDs on the Control Unit. The duration of the individual statuses varies.
Table 5- 1 LEDs
LED
Function
RDY
Ready
COM
PROFIdrive cyclic operation via PROFINET (PN)
OPT
OPTION
● If an error occurs, the booting procedure is terminated and the cause is indicated
accordingly via the LEDs.
● Once the unit has successfully booted up, all the LEDs are switched off briefly.
● Once the unit has booted up, the LEDs are controlled via the loaded software.