NCK alarms
11/2006
Overview of Alarms
2-367
©
Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
20076
Channel %1 axis %2 oscillating - mode change not possible
Parameters:
%1 = Channel number
%2 = Axis number
Definitions:
The axis is performing an oscillating movement. Mode change is not possible because oscillation is
not allowed in the selected mode.
Reaction:
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy:
Please inform the authorized personnel/service department. Do not initiate mode change. Cause the
PLC to check the axis and make sure in the PLC program that the axis ends oscillation if such mode
changes take place.
Program
Continuation:
Clear alarm with the RESET key. Restart part program
20077
Channel %1 axis %2 programmed position is behind software limit
switch %3
Parameters:
%1 = Channel number
%2 = Axis number
%3 = "+" or "-"
Definitions:
The axis is traversed as an oscillating axis and the target position (reversal position or end position)
is located behind the corresponding software limit switch. The axis is not traversed.
Reaction:
Local alarm reaction.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy:
Specify smaller target position.
Modify MD for SW limit switch.
Possibly activate another SW limit switch.
Program
Continuation:
Clear alarm with the RESET key. Restart part program
20078
Channel %1 axis %2 programmed position is behind working area limit
%3
Parameters:
%1 = Channel number
%2 = Axis number
%3 = "+" or "-"
Definitions:
The axis is traversed as an oscillating axis and the target position (reversal position or end position)
is located behind the corresponding valid working area limitation. The axis is not traversed.
Reaction:
Local alarm reaction.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy:
Specify smaller target position.
Deactivate working area limitation.
Set working area limitation differentially.
Program
Continuation:
Clear alarm with the RESET key. Restart part program