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Appendix
Bosch Rexroth AG, MIT: HQ 5/H, HQ 5/XH, 3 842 558 544/2017-07
17 Appendix
17.1 Function plans
On the following pages, you can fi nd proven fundamental function plans for control
tasks in transfer systems.
Characters are used in the action blocks that deviate from DIN IEC 61131-3. They are
explained in the following table.
Simple VE 5 stop gates are used to stop the workpiece pallets. The position of the
workpiece pallets is queried using separate proximity switches.
Action block
S
NS
S
R
NS
D
T3
T3
?
S
S
Y2.1
General abbreviations
WT
= Workpiece pallet
VE
= Stop gate
S ... = Signaling device
Y ... = Valve
Z ... = Cylinder
LT
= Longitudinal conveyor (main section)
QT
= Transverse conveyor (secondary section)
= Start pulse after end of start-up
= Enable cyclic travel
Explanation
Storing
Non-storing
Set
Reset
Non-storing triggering of a time function (with runtime T),
after which a switching function is triggered.
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