Lenze EVS93xx CrossCutter - Manual (Page 267)

Cross Cutter
Appendix
Prepared Solution Servo PLC / ECSxA 1.1 EN 6-99
6.6.8 CalcStartPositionOfKniveDrum function block
The CalcStartPositionOfKniveDrum function block uses the cross-cutter application's input
variables to calculate the starting position for the cross-cutter knife.
Task information
Can be called in: Cyclic task Time-controlled task
(INTERVAL)
Event-controlled task
(EVENT)
Interrupt task
Variable names
Inputs (Variable type: VAR_INPUT)
Name Data type Value/Meaning
dnSyncAngle DINT Cutting angle for which the knife has to run in synchronism with the material (y
sync
,
the value is entered in 0.0001[s_units]).
dnTotalYFeedAngle DINT Y final value of the selected motion profile in 0.0001[s_units].
Outputs (Variable type: VAR_OUTPUT)
Name Data type Value/Meaning
dnY1Value DINT Cross-cutter knife drum starting and stopping position. The value is scaled in
0.0001[s_units].
Figure50: Example wiring of the CalcStartPositionOfKniveDrum FB in the prepared
solution