Siemens SINUMERIK 828D Programming Manual page 618

Motion synchronous actions
10.4 Actions in synchronized actions
$AN_SYNC_MAX_LOAD
$AN_SYNC_TO_IPO
$AC_SYNC_ACT_LOAD
$AC_SYNC_MAX_LOAD
$AC_SYNC_AVERAGE_LOAD
$AN_SERVO_ACT_LOAD
$AN_SERVO_MAX_LOAD
$AN_SERVO_MIN_LOAD
Variable for the overload notification:
The machine data
(as % of IPO cycle) from which the system variable
$AN_IPO_LOAD_LIMIT
is again set to FALSE. If the machine data is 0, the entire diagnostic function is deactivated.
The evaluation of
overflow.
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longest computing time for synchronized actions over all channels
percentage share that the synchronized actions have of the
complete IPO computer time (over all channels)
current computing time for synchronized actions in the channel
longest computing time for synchronized actions in the channel
average computing time for synchronized actions in the channel
current computing time of the position controller
longest computing time of the position controller
shortest computing time of the position controller
is used to set the net IPO computing time
$MN_IPO_MAX_LOAD
will be set to TRUE. If the current load falls below this limit, the variable
allows the user to define a strategy for avoiding a level
$AN_IPO_LOAD_LIMIT
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
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