Siemens simatic c7-621 - Page 4

Introduction 04/99
4 Getting Started with C7-621-AS-i
MPI interface
Programming device connection and
communication (global data)
External I/O extension
Interface for connecting an
expansion unit
Can control up to
31 slaves
Up to 248 binary elements
AS-Interface master
F
1
F
2
F
3
F
4
F
5
S
F
D
C
5
V
F
R
C
E
R
U
N
S
T
O
P
H
e
l
l
o
,
I
a
m
t
h
e
s
m
a
l
l
e
s
t
S
I
M
A
T
I
C
C
7
!
1
2
3
7
89
6
4
5
0
S
IM
A
T
IC
C
7
-
6
2
1
E
N
T
E
R
E
S
C
S
H
I
F
T
+
/-
SIMATIC
S7-300
SIEMENS
COROS OP3
ENTER
ESC
+/-
.
SHIFT
F2 F3 F4 F5 F1
1 2 3 4
5
6
7 89
0