Fast Punching/Nibbling Not Possible In Several Channels; Reboot Is Delayed; Emergency Stop - Siemens Sinumerik 840D sl Diagnostic Manual

Overview of Alarms
NCK alarms
Definitions: Occurs only with an NCU link system.
- Possible causes of the fault:
- At least one axis is to be distributed via NCU link, then the MD18720 $MN_MM_SERVO_FIFO_SIZE
must be 3 or 4.
- The IPO cycle of this NCU is faster than the link communication cycle, then the MD18720
$MN_MM_SERVO_FIFO_SIZE must be set to the value proposed in the alarm.
Reaction: NC not ready.
Channel not ready.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: MD18720 $MN_MM_SERVO_FIFO_SIZE must be set to the value proposed in the alarm.
Program Con- Switch control OFF - ON.
tinuation:
2200 [Channel %1: ] Fast punching/nibbling not possible in several channels
Parameters: %1 = Channel number
Definitions: An attempt was made to activate fast nibbling or punching in a channel while it has already been active
in another channel. Fast punching and nibbling is only possible simultaneously in the same channel.
Reaction: NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Fast nibbling and punching simultaneously in 1 channel only.
Program Con- Clear alarm with the RESET key. Restart part program
tinuation:
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 Con- Switch control OFF - ON.
tinuation:
3000

Emergency stop

Definitions: The EMERGENCY STOP request is applied to the NCK/PLC interface DB10 DBX56.1 (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 acknowledge the emergency stop via the PLC/NCK interface DB10 DBX56.2 (emergency
stop acknowledgement).
Program Con- Clear alarm with the RESET key in all channels of this mode group. Restart part program.
tinuation:
2-20
SINUMERIK 840D sl, 840Di sl, SINAMICS, Diagnostics Manual (DAsl), 03/2009
© Siemens AG, 2009. All Rights Reserved
03/2009