Appendix 59/64
3 842 358 792/2016-12, Material and information fl ow technology: HQ 2/C-H, HQ 4,
Bosch Rexroth AG
17 Appendix
17.1 Function plans
On the following pages, you can fi nd proven fundamental function plans for control
tasks in transfer systems.
Contrary to DIN IEC 61131-3, qualifi ers are used in the action blocks, which are
explained in the table below.
Simple VE 2 stop gates are used to stop the workpiece pallets. The position of the
workpiece pallets is determined using separate proximity switches.
Action block
Explanation
S
Storing
NS
Non-storing
S
Set
R
Reset
T3
T3
?
NS
D
S
S Y2.1
Non-storing triggering of a time function (with cycle time T).
After it has been concluded, a switch function is triggered.
General abbreviations
WT
=
Workpiece pallet
VE
=
Stop gate
S … =
Signaling device
Y …
=
Valve
Z … =
Cylinder
LT
=
Longitudinal conveyor (main section)
QT
=
Transverse conveyor (adjacent section)
=
Start pulse after end of start-up
=
Release cyclic travel
EN
GLISH
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