Motion synchronous actions
10.4 Actions in synchronized actions
Job planning
10-66 Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
Parameters
The variables only have valid values if machine data $MN_IPO_MAX_LOAD is greater than 0.
Otherwise the variables for both SINUMERIK powerline and solution line systems always
specify the net computing time during which the interrupts caused by HMI are no longer
taken into account. The net computing time results from:
• synchronized action time,
• position control time and
• remaining IPO computing time without interrupts caused by HMI
The system variables always contain the values
of the previous IPO cycle.
$AN_IPO_ACT_LOAD current IPO computing time (incl.
synchronized actions of all
channels)
$AN_IPO_MAX_LOAD longest IPO computing time (incl.
synchronized actions of all
channels)
$AN_IPO_MIN_LOAD shortest IPO computing time (incl.
synchronized actions of all
channels)
$AN_IPO_LOAD_PERCENT current IPO computing time as
percentage of IPO cycle (%)
$AN_SYNC_ACT_LOAD current computing time for
synchronized actions over all
channels
$AN_SYNC_MAX_LOAD longest computing time for
synchronized actions over all
channels
$AN_SYNC_TO_IPO percentage share that the
synchronized actions have of the
complete IPO computer time (over all
channels)
$AC_SYNC_ACT_LOAD current computing time for
synchronized actions in the channel
$AC_SYNC_MAX_LOAD longest computing time for
synchronized actions in the channel
$AC_SYNC_AVERAGE_LOAD average computing time for
synchronized actions in the channel
$AN_SERVO_ACT_LOAD current computing time of the
position controller
$AN_SERVO_MAX_LOAD longest computing time of the
position controller
$AN_SERVO_MIN_LOAD shortest computing time of the
position controller
Variable for the overload notification:
The machine data $MN_IPO_MAX_LOAD is used to set the net IPO computing time
(as % of IPO cycle) from which the system variable $AN_IPO_LOAD_LIMIT will be set to
TRUE. If the current load falls below this limit, the variable is again set to FALSE. If the
machine data is 0, the entire diagnostic function is deactivated.
The evaluation of $AN_IPO_LOAD_LIMIT allows the user to define a strategy for avoiding a
level overflow.
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