Siemens CPU 1518-4 PN/DP ODK - Page 38

Technical specifications
CPU 1518-4 PN/DP ODK (6ES7518-4AP00-3AB0)
38 Manual, 09/2016, A5E35681108-AA
6ES7518-4AP00-3AB0
IEC counters
Quantity
Unlimited (limited only by work memory)
Retentivity
•
Adjustable
Yes
S7 timers
Quantity
2048
Retentivity
•
Adjustable
Yes
IEC timers
Quantity
Unlimited (limited only by work memory)
Retentivity
•
Adjustable
Yes
Data areas and their retentivity
Total retentive data area (including timers, cou
n-
ters, bit memories), max.
768 KB; in total; for bit memories, timers, coun-
ters, DBs and technological data (axes), usable
retentive memory: 700 KB
Bit memory
Number, max.
16 KB
Number of clock memory bits
8; 8 clock memory bits, grouped in one clock
memory byte
Data blocks
Retentivity adjustable
Yes
Retentivity preset
No
Local data
Per priority class, max.
64 KB; max. 16 KB per block
Address area
Number of I/O modules
16384; max. number of modules/submodules
I/O address area
Inputs
32 KB; all inputs are in the process image
Outputs
32 KB; all outputs are in the process image
Of which per integrated IO subsystem
•
Inputs (volume)
16 KB; 16 KB via the integrated PROFINET IO
interface, 8 KB via the integrated DP interface
•
Outputs (volume)
16 KB; 16 KB via the integrated PROFINET IO
interface, 8 KB via the integrated DP interface
Of which per CM/CP
•
Inputs (volume)
8 KB
•
Outputs (volume)
8 KB
Process image partitions
Number of process image partitions, max.
32