Siemens SIMATIC ET 200pro - Page 122

Technical specifications
CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
Operating Instructions, 11/2019, A5E35873416-AC
121
Article number
6ES7516-2PN00-0AB0
OB
• Size, max.
1 Mbyte
• Number of free cycle OBs
100
• Number of time alarm OBs
20
• Number of delay alarm OBs
20
• Number of cyclic interrupt OBs
20; With minimum OB 3x cycle of 500 µs
• Number of process alarm OBs
50
• Number of DPV1 alarm OBs
3
• Number of isochronous mode OBs
1
• Number of technology synchronous alarm
OBs
2
• Number of startup OBs
100
• Number of asynchronous error OBs
4
• Number of synchronous error OBs
2
• Number of diagnostic alarm OBs
1
Nesting depth
• per priority class
24
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