Technical specifications
5.1 Technical specifications
CPU 1518HF-4 PN (6ES7518-4JP00-0AB0)
Equipment Manual, 05/2021, A5E49868646-AA
35
Article number
6ES7518-4JP00-0AB0
Counters, timers and their retentivity
S7 counter
•
Number
2 048
Retentivity
–
adjustable
Yes
IEC counter
•
Number
Any (only limited by the main memory)
Retentivity
–
adjustable
Yes
S7 times
•
Number
2 048
Retentivity
–
adjustable
Yes
IEC timer
•
Number
Any (only limited by the main memory)
Retentivity
–
adjustable
Yes
Data areas and their retentivity
Retentive data area (incl. timers, counters,
flags), max.
768 kbyte; In total; available retentive memory for
bit memories, timers, counters, DBs, and technol-
ogy data (axes): 700 KB
Flag
•
Size, max.
16 kbyte
•
Number of clock memories
8; 8 clock memory bit, grouped into one clock
memory byte
Data blocks
•
Retentivity adjustable
Yes
•
Retentivity preset
No
Local data
•
per priority class, max.
64 kbyte; max. 16 KB per block
Address area
Number of IO modules
8 192; max. number of modules / submodules
I/O address area
•
Inputs
32 kbyte; All inputs are in the process image
•
Outputs
32 kbyte; All outputs are in the process image
per integrated IO subsystem
–
Inputs (volume)
16 kbyte
–
Outputs (volume)
16 kbyte
Subprocess images
•
Number of subprocess images, max.
32
Summary of Contents for CPU 1518HF-4 PN
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