| SIMATIC S7-400, CPU 416F-2, CENTRAL PROCESSING UNIT WITH: 5.6 MB WORKING MEMORY, (2.8 MB CODE, 2.8 MB DATA), 1. INTERFACE MPI/DP 12 MBIT/S, 2. INTERFACE PROFIBUS DP APPLICABLE W. SOFTWARE PACKAGE DISTRIBUTED SAFETY >= V5.2+SP2 |
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General information |
Hardware product version | 03 |
Firmware version | V5.3 |
Engineering with |
Programming package | STEP 7 V5.3 SP2 or higher with hardware update, Distributed Safety V5.2 SP2 or higher |
CiR - Configuration in RUN |
CiR synchronization time, basic load | 100 ms |
CiR synchronization time, time per I/O slave | 10 µs |
Supply voltage |
24 V DC | No; Power supply via system power supply |
Input current |
from CPU, max. | Not relevant for 400 series (300 series set) |
from backplane bus 5 V DC, typ. | 0.9 A |
from backplane bus 5 V DC, max. | 1.1 A |
from backplane bus 24 V DC, max. | 300 mA; 150 mA per DP interface |
from interface 5 V DC, max. | 90 mA; At each DP interface |
Power losses |
Power loss, typ. | 4.5 W |
Power loss, max. | 5 W |
Backup battery |
Battery operation | Not relevant |
Backup current, typ. | 125 µA; (up to 40 °C) |
Backup current, max. | 550 µA |
Backup time, max. | See reference manual, module data, Chapter 3.3 |
Feeding of external backup voltage to CPU | 5 to 15 VDC |
Feeding of external backup voltage to CPU | 5 to 15 VDC |
Memory |
Work memory |
integrated | 5.6 Mbyte |
integrated (for program) | 2.8 Mbyte |
integrated (for data) | 2.8 Mbyte |
expandable | No |
Load memory |
expandable FEPROM | Yes; with Memory Card (FLASH) |
expandable FEPROM, max. | 64 Mbyte |
integrated RAM, max. | 1 Mbyte |
expandable RAM | Yes; with Memory Card (RAM) |
expandable RAM, max. | 64 Mbyte |
Backup |
present | Yes |
with battery | Yes; all data |
without battery | No |
CPU processing times |
for bit operations, min. | 30 ns |
for word operations, min. | 30 ns |
for fixed point arithmetic, min. | 30 ns |
for floating point arithmetic, min. | 90 ns |
CPU-blocks |
DB |
Number, max. | 10000; Number range: 1 to 16000 |
Size, max. | 64 kbyte |
FB |
Number, max. | 5000; Number range: 0 to 7999 |
Size, max. | 64 kbyte |
FC |
Number, max. | 5000; Number range: 0 to 7999 |
Size, max. | 64 kbyte |
OB |
Number, max. | see instruction list |
Size, max. | 64 kbyte |
Number of free cycle OBs | 1; OB 1 |
Number of time alarm OBs | 8; OB 10-17 |
Number of delay alarm OBs | 4; OB 20-23 |
Number of time interrupt OBs | 9; OB 30-38 (shortest cycle that can be set = 500 µs) |
Number of process alarm OBs | 8; OB 40-47 |
Number of DPV1 alarm OBs | 3; OB 55-57 |
Number isochronous mode OBs | 4; OB 61-64 |
Number of multicomputing OBs | 1; OB 60 |
Number of background OBs | 1; OB 90 |
Number of startup OBs | 2; OB 100, 102 |
Number of asynchronous error OBs | 9; OB 80-88 |
Number of synchronous error OBs | 2; OB 121, 122 |
Nesting depth |
per priority class | 24 |
additional within an error OB | 2 |
Counters, timers and their retentivity |
S7 counter |
Number | 2048 |
Retentivity |
adjustable | Yes |
lower limit | 0 |
upper limit | 2047 |
preset | Z 0 to Z 7 |
Counting range |
lower limit | 0 |
upper limit | 999 |
IEC counter |
present | Yes |
Type | SFB |
Number | Unlimited (limited only by RAM capacity) |
S7 times |
Number | 2048 |
Retentivity |
adjustable | Yes |
lower limit | 0 |
upper limit | 2047 |
preset | No times retentive |
Time range |
lower limit | 10 ms |
upper limit | 9990 s |
IEC timer |
present | Yes |
Type | SFB |
Number | Unlimited (limited only by RAM capacity) |
Data areas and their retentivity |
retentive data area, total | Total working and load memory (with backup battery) |
Flag |
Number, max. | 16 kbyte; Size of bit memory address area |
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