Siemens SIMATIC ET 200pro - Page 123

Technical specifications
CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
122 Operating Instructions, 11/2019, A5E35873416-AC
Article number
6ES7516-2PN00-0AB0
Data areas and their retentivity
Retentive data area (incl. timers, counters,
flags), max.
512 kbyte; In total; available retentive memory for
bit memories, timers, counters, DBs, and tech-
nology data (axes): 472 KB
Flag
• Number, 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)
8 kbyte
– Outputs (volume)
8 kbyte
Hardware configuration
Number of distributed IO systems 64; A distributed I/O system is characterized not
only by the integration of distributed I/O via
PROFINET or PROFIBUS communication mod-
ules, but also by the connection of I/O via AS-i
master modules or links (e.g. IE/PB-Link)
Number of IO Controllers
• integrated
2
• Via CM
0
Rack
• Modules per rack, max.
16; Expansion width max. 1.2 m
• Number of lines, max.
1
Time of day
Clock
• Type
Hardware clock
• Backup time
6 wk; At 40 °C ambient temperature, typically
• Deviation per day, max.
10 s; Typ.: 2 s
Operating hours counter
• Number
16