Siemens SINUMERIK 840Di Diagnostic Manual page 432

Overview of Alarms
NCK alarms
26072 Channel %1 axis %2 cannot be controlled by the PLC
Parameters: %1 = Channel number
%2 = Axis name, spindle number
Definitions: Axis cannot be made a PLC-controlled axis. For the time being, the axis cannot be controlled at any
state from the PLC.
Reaction: Interface signals are set.
Alarm display.
Remedy: Use Release or Waitp to make the axis a neutral one.
Program Clear alarm with the Delete key or NC START.
Continuation:
26074 Channel %1 switching off PLC control of axis %2 not allowed in the
current state
Parameters: %1 = Channel
%2 = Axis, spindle
Definitions: The PLC can return the control rights for an axis to program processing only, if there is no alarm
pending for the axis.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
Remedy: Reset VDI interface signal "PLC controls axis", then activate "Axial reset" and repeat process.
Program Clear alarm with the Delete key or NC START.
Continuation:
26075 Channel %1 axis %2 not available for the NC program, as exclusively
controlled by the PLC
Parameters: %1 = Channel
%2 = Axis, spindle
Definitions: The axis is exclusively controlled by the PLC. Therefore, the axis is not available for the NC program.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
Remedy: Let the PLC control the axis not exclusively, but only temporarily. Change machine date
$MA_BASE_FUNCTION_MASK bit 4.
Program Clear alarm with the RESET key. Restart part program
Continuation:
26076 Channel %1 axis %2 not available for NC program, firmly assigned PLC
axis
Parameters: %1 = Channel
%2 = Axis, spindle
Definitions: The axis is a firmly assigned PLC axis. The axis is therefore not available for the NC program.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
Remedy: Do not define axis as a firmly assigned PLC axis. Change of machine date
$MA_BASE_FUNCTION_MASK bit5.
Program Clear alarm with the RESET key. Restart part program
Continuation:
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© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006