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Bosch Rexroth AG
, MIT: HQ 2/G-H, BS 2/G-250, 3 842 564 989/2022-06
17 Appendix
17.1 Function plans
On the following pages, you can find proven fundamental function plans for control
tasks in transfer systems.
Contrary to DIN IEC 61131-3, qualifiers are used in the action blocks, which are
explained in the table below.
Simple VE 2 stop gates are used to stop workpiece pallets. The position of the
workpiece pallets is queried with separate sensors.
Action block
Explanation
S
Storing
NS
Non-storing
S
Set
R
Reset
T3
T3
?
NS
D
S
S Y2.1
Non-storing trigger of a time function (with runtime T),
after which a switching function is triggered.
General abbreviations
WT
= Workpiece pallets
VE
= Stop gate
S … = Signal transmitter
Y …
= Valve
Z … = Cylinder
LT
= Longitudinal conveyor (main section)
QT
= Transverse conveyor (secondary section)
= Start pulse after end of start-up
= Enable cyclic travel