Customization: | Available |
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Task: | Program |
Structure: | Combination |
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SIMATIC S7-300, CPU 315-2DP Central processing unit with MPI Integr. power supply 24 V DC Work memory 256 KB 2nd interface DP master/slave Micro Memory Card required |
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General information | |
HW functional status | 01 |
Firmware version | V3.3 |
Product function | |
Isochronous mode | Yes |
Engineering with | |
Programming package | STEP 7 V5.5 + SP1 or higher or STEP 7 V5.2 + SP1 or higher with HSP 218 |
Supply voltage | |
Rated value (DC) | 24 V |
permissible range, lower limit (DC) | 19.2 V |
permissible range, upper limit (DC) | 28.8 V |
external protection for power supply lines (recommendation) | 2 A min. |
Mains buffering | |
Mains/voltage failure stored energy time | 5 ms |
Repeat rate, min. | 1 s |
Input current | |
Current consumption (rated value) | 850 mA |
Current consumption (in no-load operation), typ. | 150 mA |
Inrush current, typ. | 3.5 A |
I²t | 1 A²·s |
Power loss | |
Power loss, typ. | 4.5 W |
Memory | |
Work memory | |
integrated | 256 kbyte |
expandable | No |
Load memory | |
Plug-in (MMC) | Yes |
Plug-in (MMC), max. | 8 Mbyte |
Data management on MMC (after last programming), min. | 10 a |
Backup | |
present | Yes; Guaranteed by MMC (maintenance-free) |
without battery | Yes; Program and data |
CPU processing times | |
for bit operations, typ. | 0.05 µs |
for word operations, typ. | 0.09 µs |
for fixed point arithmetic, typ. | 0.12 µs |
for floating point arithmetic, typ. | 0.45 µs |
CPU-blocks |
DB | |
Number, max. | 1 024; Number range: 1 to 16000 |
Size, max. | 64 kbyte |
FB | |
Number, max. | 1 024; Number range: 0 to 7999 |
Size, max. | 64 kbyte |
FC | |
Number, max. | 1 024; Number range: 0 to 7999 |
Size, max. | 64 kbyte |
OB | |
Number, max. | see instruction list |
Size, max. | 64 kbyte |
Number of freecycle OBs | 1; OB 1 |
Number of time alarm OBs | 1; OB 10 |
Number of delay alarm OBs | 2; OB 20, 21 |
Number of cyclic interrupt OBs | 4; OB 32, 33, 34, 35 |
Number of process alarm OBs | 1; OB 40 |
Number of DPV1 alarm OBs | 3; OB 55, 56, 57 |
Number of isochronous mode OBs | 1; OB 61 |
Number of startup OBs | 1; OB 100 |
Number of asynchronous error OBs | 5; OB 80, 82, 85, 86, 87 |
Number of synchronous error OBs | 2; OB 121, 122 |
Nesting depth | |
per priority class | 16 |
additional within an error OB | 4 |
Counters, timers and their retentivity | |
S7 counter | |
Number | 256 |
Retentivity | |
- adjustable | Yes |
- lower limit | 0 |
- upper limit | 255 |
- 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 | 256 |
Retentivity | |
- adjustable | Yes |
- lower limit | 0 |
- upper limit | 255 |
- preset | No retentivity |
Time range | |
- lower limit | 10 ms |
- upper limit | 9 990 s |
IEC timer | |
present | Yes |
Type | SFB |
Number | Unlimited (limited only by RAM capacity) |
Data areas and their retentivity | |
Retentive data area (incl. timers, counters, flags), max. | 128 kbyte |