Siemens SINUMERIK 840D sl Series Diagnostics Manual page 172

Overview of Alarms
- Alarm display.
Remedy: Modify part program: Reproduce skip ID via an IF query. Write the label alone in the block
before the control structure block.
Program Con- Clear alarm with NC START or RESET key and continue the program.
tinuation:
12640
Channel %1 block %2 invalid nesting of control structures
Parameters: %1 = Channel number
%2 = Block number
Definitions: Error in program run: Opened control structures (IF-ELSE-ENDIF, LOOP-ENDLOOP etc.)
are not terminated or there is no beginning of loop for the programmed end of loop.
Example:
LOOP ENDIF ENDLOOP
Reactions: - Interpreter stop
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
Remedy: Correct part program in such a way that all opened control structures are also terminated.
Program Con- Clear alarm with the RESET key. Restart part program
tinuation:
12641
Channel %1 block %2 maximum nesting depth of control structures exceeded
Parameters: %1 = Channel number
%2 = Block number
Definitions: Max. nesting depth control structures (IF-ELSE-ENDIF, LOOP-ENDLOOP etc.)
exceeded. At the present time, the max. nesting depth is 8.
Reactions: - Interpreter stop
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
Remedy: Correct part program. If necessary, move parts to a subroutine.
Program Con- Clear alarm with the RESET key. Restart part program
tinuation:
12650
Channel %1 block %2 axis identifier %3 different in channel %4
Parameters: %1 = Channel number
%2 = Block number
%3 = Source symbol
%4 = Channel number with different axis definition
Definitions: In cycles that are preprocessed at Power On, only those geometry and channel axis iden-
tifiers may be used that exist in all channels with the same meaning. In different channels,
different axis indices are assigned to the axis identifier.
The axis identifiers are defined via machine data 20060 AXCONF_GEOAX_NAME_TAB
and 20080 AXCONF_CHANAX_NAME_TAB. Example: C is the 4th channel axis in chan-
nel 1 and the 5th channel axis in channel 2.
If the axis identifier C is used in a cycle that is preprocessed at Power On, then this alarm
is issued.
Reactions: - Interpreter stop
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
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SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
© Siemens AG, 2005. All rights reserved
08/2005