| SIMATIC S7-300, CPU 315-2 DP FOR EXPANDED TEMPERATURE RANGE INTEGRATED 24 V DC POWER SUPPLY 64 KBYTE WORKING MEMORY 2ND INTERFACE DP-MASTER/SLAVE |
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Supply voltage |
Rated voltage/DC | 24 V |
permissible range, lower limit (DC) | 20.4 V |
permissible range, upper limit (DC) | 28.8 V |
Input current |
Rated value at 24 V DC | 1000 mA |
Inrush current, max. | 8000 A |
Power losses |
Power loss, max. | 8 W |
Memory |
Work memory |
integrated | 64 kbyte; 64 KB / 21K instructions RAM (integrated) |
Load memory |
expandable FEPROM | Yes; Flash-EPROM |
expandable FEPROM, max. | 4 Mbyte |
integrated RAM, max. | 96 kbyte |
Backup |
with battery | Yes; all blocks |
without battery | Yes; 4 KB: bit memory, counter, times and data |
CPU processing times |
for bit operations, min. | 0.3 µs |
for bit operations, max. | 0.6 µs |
for word operations, min. | 1 µs |
for fixed point arithmetic, min. | 2 µs |
for floating point arithmetic, min. | 50 µs |
for timer/counter operations, min. | 12 µs |
CPU-blocks |
DB |
Number, max. | 255 |
Size, max. | 16 kbyte |
FB |
Number, max. | 192 |
Size, max. | 16 kbyte |
FC |
Number, max. | 192 |
Size, max. | 16 kbyte |
OB |
Description | see instruction list |
Size, max. | 16 kbyte |
Number of free cycle OBs | 1; OB 1 |
Number of time alarm OBs | 1; OB 10 |
Number of time interrupt OBs | 1; OB 35 |
Number of process alarm OBs | 1; OB 40 |
Number of startup OBs | 1; OB 100 |
Nesting depth |
per priority class | 8; for each programming level |
Counters, timers and their retentivity |
S7 counter |
Number | 64 |
of which retentive with battery |
adjustable | Yes |
lower limit | 0 |
upper limit | 63 |
of which retentive without battery |
adjustable | Yes |
lower limit | 0 |
upper limit | 63 |
Counting range |
lower limit | 1 |
upper limit | 999 |
S7 times |
Number | 128 |
of which retentive with battery |
adjustable | Yes |
lower limit | 0 |
upper limit | 127 |
of which retentive without battery |
adjustable | Yes |
lower limit | 0 |
upper limit | 127 |
Time range |
lower limit | 10 ms |
upper limit | 9990 s |
Data areas and their retentivity |
Flag |
Number, max. | 256 byte |
Retentivity available | Yes; MB 0 to MB 255 |
of which retentive with battery | 0 to 2047 (M 0.0 to M 255.7, adjustable) |
of which retentive without battery | 0 to 2047 (M 0.0 to M 255.7, adjustable) |
Address area |
I/O address area |
Inputs | 1 kbyte |
Outputs | 1 kbyte |
Process image |
Inputs | 128 byte |
Outputs | 128 byte |
Digital channels |
Inputs | 8192 |
Outputs | 8192 |
Inputs, of which central | 1024 |
Outputs, of which central | 1024 |
Analog channels |
Inputs | 512 |
Outputs | 512 |
Inputs, of which central | 256 |
Outputs, of which central | 128 |
Addressing volume |
Outputs | 244 byte |
Inputs | 244 byte |
Hardware configuration |
Modules per rack, max. | 32 |
Expansion devices, max. | 3 |
Connectable programming devices/PCs | PGs/PCs with STEP 7 connectable via MPI interface |
Number of modules per DP slave interface, max. | 64 |
Number of DP masters |
integrated | 1 |
via CP | 1; CP 342-5 |
Number of operable FMs and CPs (recommended) |
FM | 8 |
CP, point-to-point | 4 |
CP, LAN | 2 |
Time of day |
Clock |
Hardware clock (real-time clock) | Yes |
Interfaces |
MPI |
Cable length, max. | 9100 m; without repeaters: 50 m; with 2 repeaters: 1100 m; with 10 repeaters in series: 9100 m; via fiber optic cable: 23.8 km (with 16 star hubs or OLMs) |
1st interface |
Functionality |
MPI | Yes |
MPI |
Services |
PG/OP communication | Yes |
Global data communication | Yes |
S7 basic communication | Yes |
S7 communication | Назад в раздел
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