| Article number | 6ES7315-2AH14-0AB0 |
| CPU315-2DP, 256 KB | |
| 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 DC
|
Yes |
| 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 |
|
● Size of retentive memory for retentive data blocks
|
128 kbyte |
| Load memory | |
|
● Plug-in (MMC)
|
Yes |
|
● Plug-in (MMC), max.
|
8 Mbyte |
|
● Data management on MMC (after last programming), min.
|
10 y |
| 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 | |
| Number of blocks (total) | 1 024; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used. |
| 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 | |
|
● Description
|
see instruction list |
|
● Size, max.
|
64 kbyte |
|
● Number of free cycle 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) |