| SIMATIC S7-300, CPU 314 CPU WITH MPI INTERFACE INTEGRATED 24 V DC POWER SUPPLY 48 KBYTE WORKING MEMORY MICRO MEMORY CARD NECESSARY |
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General information |
Hardware product version | 01 |
Firmware version | V2.0.0 |
Engineering with |
Programming package | STEP 7 V5.1 SP4 or higher |
Supply voltage |
24 V DC | Yes |
permissible range, lower limit (DC) | 20.4 V |
permissible range, upper limit (DC) | 28.8 V |
External protection for supply cables (recommendation) | 2 A min. |
Input current |
Current consumption (in no-load operation), typ. | 60 mA |
Inrush current, typ. | 2.5 A |
I²t | 0.5 A²·s |
from supply voltage L+, max. | 600 mA |
Power losses |
Power loss, typ. | 2.5 W |
Backup battery |
Battery operation | |
Backup time, max. | 1008 h; At 40 °C ambient temperature |
Memory |
Work memory |
integrated | 48 kbyte |
expandable | No |
Load memory |
pluggable (MMC) | Yes |
pluggable (MMC), max. | 8 Mbyte |
Data management on MMC (after last programming), min. | 10 a |
Backup |
present | Yes; Guaranteed by MMC (maintenance-free) |
CPU processing times |
for bit operations, min. | 0.1 µs |
for bit operations, max. | 0.2 µs |
for word operations, min. | 0.2 µs |
for fixed point arithmetic, min. | 2 µs |
for floating point arithmetic, min. | 3 µs |
CPU-blocks |
Number of blocks (total) | 1024; (DBs, FCs, FBs OBs, SDBs); the maximum number of loadable blocks can be reduced by the MMC being used. |
DB |
Number, max. | 511; DB 0 reserved |
Size, max. | 16 kbyte |
FB |
Number, max. | 512; From FB 0 to FB 511 |
Size, max. | 16 kbyte |
FC |
Number, max. | 512; from FC 0 to FC 511 |
Size, max. | 16 kbyte |
OB |
Number, max. | see instruction list |
Size, max. | 16 kbyte |
Nesting depth |
per priority class | 8 |
additional within an error OB | 4 |
Counters, timers and their retentivity |
S7 counter |
Number | 256 |
of which retentive without battery |
adjustable | Yes |
preset | Z 0 to Z 7 |
Retentivity |
adjustable | Yes |
Counting range |
adjustable | Yes |
lower limit | 0 |
upper limit | 999 |
IEC counter |
present | Yes |
Type | SFB |
Number | Unlimited (limited only by RAM capacity) |
S7 times |
Number | 256 |
Retentivity |
adjustable | Yes |
preset | No retentivity |
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 | All (incl. memory bits, times, counters) |
Flag |
Number, max. | 256 byte |
Retentivity available | Yes; MB 0 to MB 255 |
Retentivity preset | MB 0 to MB 15 |
Number of clock memories | 8; 1 memory byte |
Data blocks |
Number, max. | 511; from DB1 to DB511 |
Size, max. | 16 kbyte |
Local data |
per priority class, max. | 510 byte |
Address area |
I/O address area |
Inputs | 1 kbyte |
Outputs | 1 kbyte |
Process image |
Inputs | 128 byte |
Outputs | 128 byte |
Digital channels |
Inputs | 1024 |
Outputs | 1024 |
Inputs, of which central | 1024 |
Outputs, of which central | 1024 |
Analog channels |
Inputs | 256 |
Outputs | 256 |
Inputs, of which central | 256 |
Outputs, of which central | 256 |
Hardware configuration |
Racks, max. | 4 |
Modules per rack, max. | 8 |
Number of DP masters |
integrated | 0 |
via CP | 4 |
Number of operable FMs and CPs (recommended) |
FM | 8 |
CP, point-to-point | 8 |
CP, LAN | 10 |
Time of day |
Clock |
Hardware clock (real-time clock) | Yes |
battery-backed and synchronizable | Yes |
Deviation per day, max. | 10 s |
Backup time | 6 wk; At 40 °C ambient temperature |
Operating hours counter |
Number | 1 |
Number/Number range | 0 |
Range of values | 0 to 2^31 hours (when using SFC 101) |
Granularity | Назад в раздел
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