IM 463-2

7-11

S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
7.7 Pin Assignments of the 721 Connecting Cable
Table 7-6 Assignment of the Connecting Cable 721
34
50
17 1
34 50
171
Connector
50-Pin Contact Bundle
Ident. Sheath Identification Foil Core Color Connector
50-Pin Contact
20 white 20
21 brown 21
4 green 4
51
red
yellow 5
18
1
No. 16 red gray 18
19 pink 19
2 blue 2
3 red 3
24 white 24
25 brown 25
8 green 8
92
green
yellow 9
22
2
No. 17 green gray 22
23 pink 23
6 blue 6
7 red 7
26 white 26
27 brown 27
10 green 10
11 3
yellow
yellow 11
42
3
No. 18 yellow gray 42
43 pink 43
44 blue 44
45 red 45