Siemens SIMATIC S5 Manual page 308

STEP 5 Programming
FB 2: Jog 2 with override specification
When the mode number has been entered into QB 64, input 3.6 is scanned. Select
an override of 50 % or 100 %, depending on the selector switch setting. This
value is entered in QB 67.
START
Enter mode
number into
QB 64
I 3.6 yes
set?
Select 50 %
override and enter
into QB 67
END
9-20
FB 2 - NAME:MO2
Select mode
Override set via selector switch:
Select 100 %
override and enter
into QB 67
M100
L KB 2
T QB 64
A I 3.6 50% / 100%
JC =M100
L KB 50 50%
T QB 67
BEU
L KB 100 100%
T QB 67
BE
EWA 4NEB 812 6057-02
IP 266