Siemens SIMATIC S7-1200 - Performance; Timers, Counters and Code Blocks Supported; A.2.2.2 Performance

Technical specifications
A.2 Fail-Safe CPU technical specifications
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
151
A.2.2.2
Performance
Table A- 11 Performance
Type of instruction
Execution speed
Boolean
0.08 μs/instruction
Move Word
1.7 μs/instruction
Real math
2.3 μs/instruction
A.2.2.3
Timers, counters and code blocks supported
Table A- 12 Blocks, timers and counters supported by CPU 1214FC
Element
Description
Blocks
Type
OB, FB, FC, DB
Size
64 Kbytes
Quantity
Up to 1024 blocks total (OBs + FBs + FCs + DBs)
Address range for FBs, FCs,
and DBs
FB and FC: 1 to 65535 (such as FB 1 to FB 65535)
DB: 1 to 59999
Nesting depth 16 from the program cycle or startup OB
6 from any interrupt event OB
Monitoring
Status of 2 code blocks can be monitored simultaneously
OBs
Program cycle
Multiple
Startup
Multiple
Time-delay interrupts
4 (1 per event)
Cyclic interrupts
4 (1 per event)
Hardware interrupts
50 (1 per event)
Time error interrupts
1
Diagnostic error interrupts
1
Pull or plug of modules
1
Rack or station failure
1
Time of day
Multiple
Status
1
Update 1
Profile
1
Timers Type IEC
Quantity
Limited only by memory size
Storage
Structure in DB, 16 bytes per timer
Counters
Type
IEC
Quantity
Limited only by memory size