76
Function Description
WAGO-I/O-SYSTEM 750
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
Var
i
ab
l
es are set to 0 or
F
ALS
E
or to the
i
r
i
n
i
t
i
a
l
va
l
ue
,
f
l
ags rema
i
n
i
n the same status
.
Sw
i
tch
i
ng on the
supp
l
y vo
l
tage
I
n
i
t
i
a
liz
at
i
on
of the system
Read
i
ng
i
nputs
,
outputs and t
i
mes
Wr
i
t
i
ng outputs
Fi
e
l
dbus data
,
data of
I
/O modu
l
es
Operat
i
ng system funct
i
ons
,
updat
i
ng t
i
mes
I
s a PLC
program
i
n the
Fil
e system
?
N
o
Y
es
PLC program
l
oad
from the
i
nterna
l Fil
e system
Determ
i
nat
i
on of the
I
/O modu
l
es
and the conf
i
gurat
i
on
Test o
.k.?
Y
es
N
o
Stop
Test o
.k.?
N
o
Determ
i
nat
i
on of the
I
/O modu
l
es
and the conf
i
gurat
i
on
STOP
Operat
i
ng mode
Operat
i
ng mode
STOP
RU
N
RU
N
Fi
e
l
dbus data
,
data of
I
/O modu
l
es
Y
es
Fi
e
l
dbus start
behav
i
our as a coup
l
er
operat
i
ng mode sw
i
tch
i
s
i
n the top pos
i
t
i
on or
start command
i
n
WAGO
-I
O
-
:
or
PRO CAA
Online/Start
Online/Stop
operat
i
ng mode sw
i
tch
i
s
i
n the top pos
i
t
i
on or
start command
i
n
WAGO
-I
O
-
:
or
PRO CAA
Online/Start
Online/Stop
‘I
/O
’
L
E
D
i
s b
li
n
ki
ng
orange
‘I
/O L
E
D
i
s b
li
n
ki
ng
red
PLC cyc
l
e
‘I
/O
’
L
E
D
i
s sh
i
n
i
ng
green
PLC program
i
n the RAM
i
s processed
Figure 37: Run-up of the Controller
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