Siemens SINUMERIK 840D sl Series Diagnostics Manual page 435

08/2005
- NC Stop on alarm.
Remedy: Acknowledge the alarm on the NCU.
Program Con- Clear alarm with the RESET key in all channels of this mode group. Restart part program.
tinuation:
28031
Serious alarm on NCU %1 not yet acknowledged, axes still in follow-up mode
Parameters: %1 = NCU number
Definitions: A serious alarm was not yet acknowledged on another NCU. Consequently, all the axes
continue to trail.
Reactions: - 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.
Remedy: Acknowledge the alarm on the NCU.
Program Con- Alarm display showing cause of alarm disappears. No further operator action necessary.
tinuation:
28032
Emergency stop activated on NCU %1, axes in follow-up mode
Parameters: %1 = NCU number
Definitions: The emergency stop request is active at the PLC-NCK interface on one NCU of the NCU
network. Consequently, all axes are trailing.
Reactions: - 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.
Remedy: Remedy the cause of the emergency stop on the NCU and acknowledge the emergency
stop via the PLC-NCK interface.
Program Con- Clear alarm with the RESET key in all channels of this mode group. Restart part program.
tinuation:
28033
Emergency stop on NCU %1, axes still in follow-up mode
Parameters: %1 = NCU number
Definitions: The emergency stop request is active at the PLC-NCK interface on one NCU of the NCU
network. Consequently, all axes are trailing.
Reactions: - 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.
Remedy: Remedy the cause of the emergency stop on the NCU and acknowledge the emergency
stop via the PLC-NCK interface.
Program Con- Alarm display showing cause of alarm disappears. No further operator action necessary.
tinuation:
29033
Channel %1 axis change of axis %2 not possible, PLC axis movement not yet com-
pleted
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
Overview of Alarms
2-435