S7-300 Slots And The Associated Module Start Addresses - Siemens SIMATIC S7-300 Hardware And Installation Manual

Addressing
Note
With CPU 314 IFM and CPUs 31xC you cannot insert a module in rack 3, slot
number 11. The address area is reserved for the integrated I/O.
Rack 3
(EG)
slot number
BG initial address digital
BG-Anfangsadresse analog
Rack 2
(EG)
slot number
BG initial address
BG initial address
Rack 1
(EG)
slot number
BG initial address
BG initial address
Rack 0
(ZG)
slot number
BG initial address digital
BG initial address e analog
Figure 8-1 S7-300 slots and the associated module start addresses
8-2
IM 3
IM 3
digital
analog
IM 3
digital
analog
SF SIEMENS
BUSF
DC5V DC5V
FRCE
RUN
STOP
1 2 3
124 (CPU 31xC)* IM
752 (CPU 31xC)*
* see chapter "Addressing the integrated inputs and outputs of the CPU"
4 5 6 7 8
96 100 104 108 112 116
640 656 672 688 704 720
4 5 6 7 8
64 68 72 76 80
512 528 544 560 576
4 5 6 7 8
32 36 40 44 48
384
400 416 432 448 464
4 5 6 7 8
0 4 8 12 16
256 272 288 304 320
S7-300 Programmable Controller Hardware and Installation
9 10 11
120 124
736 752
not with
CPU 314 IFM/
CPU 31xC
9 10 11
84 88 92
592 608 624
9 10 11
52 56 60
480 496
9 10 11
20 24 28
336 352 368
A5E00105492-02