Siemens SIMATIC S7-400H System Manual page 286

Technical data
17.1 Technical specifications of the CPU 412–3H; (6ES7 412–3HJ14–0AB0)
Timers/counters and their retentivity
S7 counters
•
•
•
IEC counters
•
S7 timers
•
•
•
IEC timers
•
Data areas and their retentivity
Total retentive data area (incl. bit memory, timers,
counters)
Bit memory
•
•
Clock memory bits
Data blocks
•
Local data (selectable)
•
Blocks
OBs
•
Nesting depth
•
•
FBs
•
FCs
•
286
Retentivity selectable
Preset
Count range
Type
Retentivity selectable
Preset
Time range
Type
Retentivity selectable
Preset retentivity
Size
Preset
Size
Per priority class
Additional in an error OB
Size
Size
2048
from C 0 to C 2047
from C 0 to C 7
0 to 999
Yes
SFB
2048
from T 0 to T 2047
No retentive timers
10 ms to 9990 s
Yes
SFB
Total work and load memory (with backup battery)
8 KB
from MB 0 to MB 8191
from MB 0 to MB 15
8 (1 memory byte)
Maximum 4095 (DB 0 reserved)
Band of numbers 1 - 4095
Max. 64 KB
Max. 16 KB
8 KB
See instruction list
Max. 64 KB
24
1
Maximum 2048
Band of numbers 0 - 2047
Max. 64 KB
Maximum 2048
Band of numbers 0 - 2047
Max. 64 KB
System Manual, 09/2007, A5E00267695-03
S7-400H