Control Units; Led States Of A Cu320-2 - Siemens SINAMICS S120 Commissioning Manual

5.2.1

Control Units

5.2.1.1

LED states of a CU320-2

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- 2
LED
RDY
COM
OPT
● If an error occurs, the power-up procedure is terminated and the cause is indicated
accordingly via the LEDs.
● Once the unit has successfully powered up, all the LEDs are switched off briefly.
● Once the unit has powered up, the LEDs are controlled via the loaded software.
Control Unit 320-2 when the powering up
Table 5- 3 Control Unit CU320-2 – description of the LEDs during ramp-up
LED Color
RDY Red
COM Orange
OPT Orange
RDY Red
COM Red
RDY Red
COM Red
RDY Red
COM Orange
RDY Red
RDY Red
COM Red
COM Red
RDY Red
COM Red
RDY Orange
Commissioning with Startdrive
Commissioning Manual, 11/2017, 6SL3097-4AA10-0BP1
LEDs
Function
Ready
PROFIdrive cyclic operation via PROFINET (PN)
OPTION
Display State, description, cause
Steady light Hardware reset
Steady light BIOS loaded
Flashing light 2 Hz BIOS error: "An error occurred while loading the BIOS".
Steady light
Steady light Loading firmware: RDY LED lights up red, COM LED flashes
orange without fixed frequency.
Flashing light
Steady light Firmware has been loaded.
Flashing light 2 Hz File error:
•
•
Steady light Firmware has been checked. No CRC error detected.
Flashing light 0.5 Hz Firmware has been checked. CRC error detected.
Steady light Initializing firmware
Memory card not available or faulty.
Software on memory card not available or faulty.
Diagnostics
5.2 Diagnostics using LEDs
309