Siemens SIMATIC S7-1500 System Manual page 34

Application planning
3.1 Hardware configuration
Applicable modules
The following table shows which modules may be used in the various slots:
Table 3- 1
Mo dule type
Load current supply (PM)*
System power supply (PS)
CPU
Analog and digital I/O modules
Communications modules
•
•
Technology modules
* No connection to the backplane bus.
** When slot 0 is occupied by a load current supply (PM) in STEP 7, this slot can no longer be used
for a system power supply (PS) in STEP 7. You do not have to configure a load current supply
(PM) in STEP 7.
34
Assignment of slot numbers
Point-to-point
PROFINET/Ethernet, PROFIBUS
When using a CPU 1511-1(F) PN, CPU 1511C-1 PN,
CPU 1511T-1 PN
When using a CPU 1512C-1 PN
When using a CPU 1513(F)-1 PN
When using a CPU 1515(F)-2 PN, CPU 1515T-2 PN
When using a CPU 1516(F)-3 PN/DP
When using a CPU 1517(F)-3 PN/DP,
CPU 1517T(F)-3 PN/DP
When using a CPU 1518(F)-4 PN/DP,
CPU 1518(F)-4 PN/DP ODK
Pe rmissible Ma ximum number of
sl ots m odules
0** Unlimited / only 1
PM can be config-
ured in STEP 7
0; 2 - 31 3
1 1
2 - 31 30
2 - 31 30
2 - 31 4
2-31 6
2 - 31 6
2 - 31 6
2 - 31 8
2 - 31 8
2 - 31 8
2 - 31 30
Automation system
System Manual, 09/2016, A5E03461182-AD