Operation/Traverse Program Fb 25 - Siemens Simatic S5 IP 240 Manual

IP 240

Operation/traverse program FB 25

Begin
FB 25
Backward
traverse program
active?
no
Forward traverse
program active?
no
Enter speed for zone 1
in FW 14,
switch on heating,
set F "FORW ACTIV"
Feedback from
interrupt service
routine: F "FIN
POINT"set?
no
End
EWA 4NEB 811 6120-02a
yes
yes
yes
Switch off heating,
set 8th track to 0, write track limits
(FB 170/FCT 4),
set F "BACK ACTIV",
enter value fom DB 10 in FW 14 for
return.
Feedback from
yes
interrupt program:
F "INT POINT"
set?
no
Position Decoding
Reset Q "RUNNING"
Set Q "READY"
Reset F "BACK
ACTIV"
Reset F "FORW
ACTIV"
Reset F "FIN POINT"
Reset F "INT POINT"
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