Siemens SIMATIC S7-1500 Automation System System Manual page 30

Application planning
4.1 Hardware configuration
Appropriate modules
The following table shows which modules may be used in the various slots:
Module type
System power supply (PS)
CPU
I/O modules
Point-to-point modules
Technology modules
PROFIBUS/PROFINET modules:
•
•
•
Special feature of the load current supply
In addition to the specified max. 32 modules, you need a load current supply to supply the
modules and the input/output circuits with 24 VDC.
The number of load power supplies is unlimited.
Load current supplies can be mounted on the "S7-1500 mounting rail" but do not have a
connection to the backplane bus.
Observe the installation rules and specified installation distances in the manuals of the load
current supplies.
30
When a CPU 1511-1 PN is used
When a CPU 1513-1 PN is used
When a CPU 1516-3 PN/DP is used
Permissible slots
0; 2 - 31
1
2 - 31
2 - 31
2 - 31
2 - 31
2 - 31
2 - 31
System Manual, 01/2013, A5E03461182-01
Number of modules
Max. 3
1
Max. 30
Max. 30
Max. 30
Max. 4
Max. 6
Max. 8
S7-1500 Automation System