Timers, Counters And Code Blocks Supported By Cpu 1215C - Siemens S7-1200 System Manual

A.5.2

Timers, counters and code blocks supported by CPU 1215C

Table A- 69 Blocks, timers and counters supported by CPU 1215C
Element
Blocks Type
Size
Quantity
Address range for FBs, FCs,
and DBs
Nesting depth
Monitoring
OBs Program cycle
Startup
Time-delay interrupts
Cyclic interrupts
Hardware interrupts
Time error interrupts
Diagnostic error interrupts
Pull or plug of modules
Rack or station failure
Time of day
Status
Update
Profile
Timers Type
Quantity
Storage
Counters Type
Quantity
Storage
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
Description
OB, FB, FC, DB
64 Kbytes
Up to 1024 blocks total (OBs + FBs + FCs + DBs)
FB and FC: 1 to 65535 (such as FB 1 to FB 65535)
DB: 1 to 59999
16 from the program cycle or startup OB
6 from any interrupt event OB
Status of 2 code blocks can be monitored simultaneously
Multiple
Multiple
4 (1 per event)
4 (1 per event)
50 (1 per event)
1
1
1
1
Multiple
1
1
1
IEC
Limited only by memory size
Structure in DB, 16 bytes per timer
IEC
Limited only by memory size
Structure in DB, size dependent upon count type
SInt, USInt: 3 bytes
•
Int, UInt: 6 bytes
•
DInt, UDInt: 12 bytes
•
Technical specifications
A.5 CPU 1215C
869