Siemens SIMATIC S7 Functional Safety Manual

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

Siemens SIMATIC S7 Specifications

General

Brand	Siemens
Model	SIMATIC S7
Category	Controller
Language	English