Customization: | Available |
---|---|
Task: | Program |
Structure: | Combination |
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SIMATIC S7-300 CPU 317-2 PN/DP, Central processing unit with 1 MB work memory, 1st interface MPI/DP 12 Mbit/s, 2nd interface Ethernet PROFINET, with 2-port switch, Micro Memory Card required | |
General information | |
HW functional status | 01 V3.2 |
Firmware version | |
Product function | |
|
Yes; Via PROFIBUS DP or PROFINET interface |
Engineering with | |
|
STEP 7 V5.5 or higher |
Supply voltage | |
Rated value (DC) | 24 V 20.4 V 28.8 V 2 A min. |
permissible range, lower limit (DC) | |
permissible range, upper limit (DC) | |
external protection for power supply lines (recommendation) | |
Mains buffering | |
|
5 ms 1 s |
Input current | |
Current consumption (rated value) | 750 mA 150 mA 4 A 1 A²·s |
Current consumption (in no-load operation), typ. | |
Inrush current, typ. | |
I²t | |
Power loss | |
Power loss, typ. | 4.65 W |
Memory | |
Work memory | |
|
1 024 kbyte No |
Load memory | |
|
Yes 8 Mbyte 10 y |
Backup | |
|
Yes; Guaranteed by MMC (maintenance-free) Yes; Program and data |
CPU processing times | |
for bit operations, typ. | 0.025 µs
|
for word operations, typ. | |
for fixed point arithmetic, typ. |
for floating point arithmetic, typ. | 0.16 µs |
CPU-blocks | |
Number of blocks (total) | 2 048; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used. |
DB | |
|
2 048; Number range: 1 to 16000 64 kbyte |
FB | |
|
2 048; Number range: 0 to 7999 64 kbyte |
FC | |
|
2 048; Number range: 0 to 7999 64 kbyte |
OB | |
|
64 kbyte 1; OB 1 1; OB 10 2; OB 20, 21 4; OB 32, 33, 34, 35 1; OB 40 3; OB 55, 56, 57 1; OB 61 - isochronous mode is possible either on DP or PROFINET IO (not simultaneously) 1; OB 100 6; OB 80, 82, 83, 85, 86, 87 (OB83 only for PROFINET IO) 2; OB 121, 122 |
Nesting depth | |
|
16 4 |
Counters, timers and their retentivity | |
S7 counter | |
|
512 |
Retentivity | |
|
Yes 0 511 Z 0 to Z 7 |
Counting range | |
|
Yes 0 999 |
IEC counter | |
|
Yes SFB Unlimited (limited only by RAM capacity) |
S7 times | |
|
512 |
Retentivity | |
|
Yes 0 511 No retentivity |
Time range | |
|
10 ms 9 990 s |
IEC timer | |
|
Yes SFB Unlimited (limited only by RAM capacity) |
Data areas and their retentivity |
Retentive data area (incl. timers, counters, flags), max. | 256 kbyte |
Flag | |
|
4 096 byte Yes; From MB 0 to MB 4 095 MB 0 to MB 15 8; 1 memory byte |
Data blocks | |
|
Yes; via non-retain property on DB Yes |
Local data | |
|
32 768 byte; Max. 2048 bytes per block |
Address area | |
I/O address area | |
|
8 192 byte 8 192 byte |
of which distributed | |
|
8 192 byte 8 192 byte |
Process image | |
|
8 192 byte 8 192 byte 8 192 byte 8 192 byte 256 byte 256 byte |
Subprocess images | |
|
1; With PROFINET IO, the length of the user data is limited to 1600 bytes |
Digital channels | |
|
65 536 1 024 65 536 1 024 |
Analog channels | |
|
4 096 256 4 096 256 |
Hardware configuration | |
Number of expansion units, max. | 3 |
Number of DP masters | |
|
1 4 |
Number of operable FMs and CPs (recommended) | |
|
8 8 10 |
Rack | |
|
4 8 |