Siemens SIMATIC S7-1500R/H

Article number 6ES7515-2RN03-0AB0
Work memory 
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integrated (for program) 1Mbyte
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integrated (for data) 4.5Mbyte
Load memory 
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Plug-in (SIMATIC Memory Card), max. 32Gbyte
Backup 
•
maintenance-free Yes
CPU processing times 
for bit operations, typ. 20ns
for word operations, typ. 24ns
for fixed point arithmetic, typ. 32ns
for floating point arithmetic, typ. 128ns
CPU-blocks 
Number of elements (total) 8000; Blocks (OB, FB, FC, DB) and UDTs
DB 
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Number range Number range: 1 to 59 999
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Size, max. 4.5Mbyte; For non-optimized block accesses, the
max. size of the DB is 64 KB
FB 
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Number range 0 ... 65 535
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Size, max. 1Mbyte
FC 
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Number range 0 ... 65 535
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Size, max. 1Mbyte
OB 
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Size, max. 1Mbyte
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Number of free cycle OBs 100
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Number of time alarm OBs 20
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Number of delay alarm OBs 20
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Number of cyclic interrupt OBs 20; with minimum OB 3x cycle of 10 ms
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Number of process alarm OBs 50
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Number of DPV1 alarm OBs 3
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Number of startup OBs 100
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Number of asynchronous error OBs 4
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Number of synchronous error OBs 2
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Number of diagnostic alarm OBs 1
Nesting depth 
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per priority class 24
Counters, timers and their retentivity 
36
CPU 1515R-2 PN (6ES7515-2RN03-0AB0)
Equipment Manual, 11/2022, A5E42009914-AD
Technical specifications