Siemens CPU 1518-4 PN/DP ODK Manual page 39

Hardware configuration
Number of distributed IO systems
Number of DP masters
Integrated
Via CM
Number of IO controllers
Integrated
Via CM
Rack
Modules per rack, max.
Number of rows, max.
PtP CM
Number of PtP CMs
Time
Clock
Type
Backup duration
Deviation per day, max.
Operating hours counter
Quantity
Time-of-day synchronization
Supported
On DP, master
in AS, Master
in AS, Slave
On Ethernet via NTP
Interfaces
Number of PROFINET interfaces
Number of PROFIBUS interfaces
1st interface
Interface hardware
Number of ports
Integrated switch
RJ45 (Ethernet)
CPU 1518-4 PN/DP ODK (6ES7518-4AP00-3AB0)
Manual, 09/2016, A5E35681108-AA
Technical specifications
6ES7518-4AP00-3AB0
64; a distributed IO system is understood to
mean the integration of distributed I/O via
PROFINET or PROFIBUS communication mod-
ules as well as the connection of I/O via AS-i
master modules or links (e.g. IE/PB link)
1
8; a maximum of 8 CMs/CPs (PROFIBUS,
PROFINET, Ethernet) can be inserted in total
2
8; a maximum of 8 CMs/CPs (PROFIBUS,
PROFINET, Ethernet) can be inserted in total
32; CPU + 31 modules
1
The number of PtP CMs that can be connected is
only limited by the available slots
Hardware clock
6 wk; at 40 °C ambient temperature, typ.
10 s; typ.: 2 s
16
Yes
Yes
Yes
Yes
Yes
3
1
2
Yes
Yes; X1
39