Siemens 6DD1607-0AA2 - Page 69

Configuring
Application Module FM 458-1 DP - User Manual 4-11
A5E01078222-02 Edition 03.2009
SIMATIC S7-CPU
(SL program)
FM 458 (CFC program)
HW Config
P-bus
memory
of the FM 458
L 1.234568e+038
T PAD 512
L 2.000000e+000
T PAD 516
L 1234
T PAW 520
L 12345678
T PAD 524
L B#16#80
T PAB 528
L 5678
T PAW 530
OFF Y R
S7RD
2.0
1
0
OFF Y R
S7RD
1.234568e+38
3
OFF Y DI
S7RD_D
OFF Y I
S7RD_I
1234
4
OFF Q BO
S7RD_B
16
OFF Y I
S7RD_I
9
1
1.23e+38
R X
1
OFF
S7WR
BO I
0
OFF
S7WR_B
I X
4 OFF
S7WR_I
DI X
3
OFF
S7WR_D
3456
16#12345678
L PEB 512
T MB 20
L PED 516
T MD 22
L PEW 520
T MW 26
L PED 524
T MD 28
not used!
not used!
1
5678
not used!
not
used!
B#16#FF
1.23 e+038
3456
DW#16#12345678
Send function blocks (write)
Send memory
(128 bytes)
0:
1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
127:
....
....
Receive
Receive function blocks (read)
Receive
memory
(128 bytes)
Send
0:
1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
127:
....
....
16#12345678
Fig. 4-4 Data transfer with peripheral accesses (I/O accesses)