5V/24V Encoder Or 15V D/A Converter Undervoltage; Reboot Is Delayed; Emergency Stop - Siemens Sinamics S120 Diagnostic Manual

NCK alarms
2130

5V/24V encoder or 15V D/A converter undervoltage

Definitions: A failure has occurred in the power supply to the encoder (5V/24V) or D/A converter (+/-15V).
Reaction: NC not ready.
The NC switches to follow-up mode.
Mode group not ready, also effective for single axes.
NC Start disable in this channel.
Axes of this channel must be re-referenced.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Please inform the authorized personnel/service department. Check the encoder and cable for short-circuits (the fault
should not occur when you remove the cable). Check the power feeder line.
Program Switch control OFF - ON.
Continuation:
2900

Reboot is delayed

Definitions: This alarm indicates a delayed reboot.
This alarm only occurs when reboot was carried out by the HMI and MD10088 $MN_REBOOT_DELAY_TIME was set
greater than zero.
The alarm can be suppressed with MD11410 $MN_SUPPRESS_ALARM_MASK Bit 20.
Reaction: NC not ready.
The NC switches to follow-up mode.
Mode group not ready, also effective for single axes.
Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Alarm reaction delay is cancelled.
Remedy: See MD10088 $MN_REBOOT_DELAY_TIME and MD11410 $MN_SUPPRESS_ALARM_MASK.
Program Switch control OFF - ON.
Continuation:
3000

Emergency stop

Definitions: The EMERGENCY STOP request is applied to the NCK/PLC interface DB2600 DBX0000.1 (Emergency stop).
Reaction: NC not ready.
Mode group not ready, also effective for single axes.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Alarm reaction delay is cancelled.
Remedy: Please inform the authorized personnel/service department. Remove the cause of the emergency stop and acknowl-
edge the emergency stop via the PLC/NCK interface DB2600 DBX0000.2 (emergency stop acknowledgement).
Program Teileprogramm neu starten.Clear alarm with the RESET key in all channels of this mode group. Restart part program.
Continuation:
18
Diagnostics Manual, 07/2010, 6FC5398-8BP40-0BA0
Alarms