Siemens SINUMERIK 840Di Diagnostic Manual page 375

11/2006
20109 Error in communication with the digitizer: status code of com-circuit: %1
Parameters: %1 = Status byte
Definitions: The circuit for serial communication with the digitizing unit signals a transmission error via its status
byte (framing error, parity etc.).
Reaction: Channel not ready.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Please inform the authorized personnel/service department. Check connection cable leading to the
digitizing unit: In particular screening.
Program Clear alarm with the RESET key. Restart part program
Continuation:
20120 Axis %1: too many compensation relations
Parameters: %1 = Axis name, spindle number
Definitions: Interpolatory compensation with tables. For each axis, the maximum number of compensation
relationships defined may be no more than the number of axes in the system. In this alarm, the
interpolatory compensation in the axis is switched off automatically.
Reaction: Interface signals are set.
Alarm display.
Remedy: Check table parameters $AN_CEC_OUTPUT_AXIS and correct and/or switch off one or more tables
($SN_CEC_TABLE_ENABLE).
Program Clear alarm with the RESET key. Restart part program
Continuation:
20121 Axis %1: Configuration error in compensation table %2
Parameters: %1 = Axis name, spindle number
%2 = Compensation table
Definitions: Interpolatory compensation with tables. The settings for the specified table are not allowed.
$AN_CEC_MAX >= $AN_CEC_MIN and $AN_CEC_STEP != 0 apply to system variables. This table
is switched off automatically.
Reaction: Interface signals are set.
Alarm display.
Remedy: Please inform the authorized personnel/service department. Check and correct the characteristic data
in the compensation table. If the error cannot be found, the alarm can be suppressed by switching off
the table ($SN_CEC_TABLE_ENABLE) or switching off compensation in the axis
($MA_CEC_ENABLE).
Program Clear alarm with the RESET key. Restart part program
Continuation:
20122 Compensation table %1: invalid axis assignment
Parameters: %1 = Compensation table
Definitions: Interpolatory compensation with tables. The input or output axes assignment in the given table is not
allowed. $AN_CEC_INPUT_AXIS and $AN_CEC_OUTPUT_AXIS != 0 apply to system variables.
This table is automatically switched off.
Reaction: Interface signals are set.
Alarm display.
Remedy: Please inform the authorized personnel/service department. Check and correct the axis assignment
in the compensation table. If the error cannot be found, the alarm can be suppressed by switching off
the table ($SN_CEC_TABLE_ENABLE) or switching off compensation in the axis
($MA_CEC_ENABLE).
Program Clear alarm with the RESET key. Restart part program
Continuation:
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
Overview of Alarms
NCK alarms
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