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4. If you wish, you can also enter a comment for the sequencer. In all views, the
comment field is at the top left and can be opened by clicking it with the mouse.
The following figure shows the completed sequencer.
G RA PH: Program m ing s7 Sequential Control System s - D rill\...
F ile
"Start_but
ton"
C lam p_pres
_ok"
"D rill_moto
r_running"
"D rill_moto
r_running
"
"C ool_pres
s _ ok"
"D rill_d
ow n"
"D rill_up"
"C l_press
"D rill_m ot
_ok "
r_stopped
"
T erm _M_pump_off.T
S7-GRAPH for S7-300/400 Programming Sequential Control Systems
C79000-G7076-C526-01
Designing a Sequential Control System based on the Example of a Drill
Edit
Insert
PLC
D ebug
D rill
"C oolant_
sel"
"C oolant_
sel"
"C ool_press
_ok"
C MP
>=
T#500M S
View
O ptions W indow
T 6
S1
D rill_ready
D r...
T 1
T rans 1
S2
C lamp_on
C la...
S
"C lamp_w orkp"
T 2
T rans 2
M otor_on
S3
M o...
S
"D r_mot_on"
T 3
T rans 3
T 7
T rans 7
S7
C oolant_on
C oo...
S
"C ool_pump_on"
T 8
T rans 8
S4
Lower_drill
Low ...
N
"Low er_drill""
T 4
T rans4
S5
R aise_drill
R ai...
D
"Raise_drill""
T5
Trans5
S6
T erm_M _pum p_off
Cla...
R
""Clamp_w orkp"
R
"D r_mot_on"
T 6
R
"C ool_pump_on"
T rans 6
S1
H elp
T#500M S
3-13
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