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SIMATIC S7-300 CPU315F-2 PN/DP, CENTRAL PROCESSING UNIT WITH 256 KBYTE WORKING MEMORY, 1. INTERFACE MPI/DP 12MBIT/S, 2. INTERFACE ETHERNET PROFINET, MICRO MEMORY CARD NECESSARY USEABLE WITH SOFTWARE OPTION S7 DISTRIBUTED SAFETY V5.4 OR HIGHER |
| General information |
| Hardware product version |
01 |
| Firmware version |
V2.6 |
| Engineering with |
| ● Programming package |
STEP 7 V5.4 SP2 or higher, S7 Distributed Safety V5.4 or higher |
| Supply voltage |
| Rated value (DC) |
24 V |
| 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 (rated value) |
650 mA |
| Current consumption (in no-load operation), typ. |
100 mA |
| Rated value at 24 V DC |
100 mA; idling |
| Inrush current, max. |
2.5 A; Typical |
| Inrush current, typ. |
2.5 A |
| I²t |
1 A²·s |
| Power losses |
| Power loss, typ. |
3.5 W |
| Memory |
| Type of memory |
other |
| Work memory |
| ● Integrated |
256 kbyte; For program and data |
| ● expandable |
No |
| Load memory |
| ● pluggable (MMC) |
Yes |
| ● pluggable (MMC), max. |
8 Mbyte |
| ● Data management on MMC (after last programming), min. |
10 y |
| ● expandable FEPROM |
can be plugged in as MMC |
| Backup |
| ● present |
Yes; Guaranteed by MMC (maintenance-free) |
| ● without battery |
Yes; Program and data |
| CPU processing times |
| for bit operations, typ. |
0.1 µs |
| for bit operations, max. |
0.1 µs |
| for word operations, typ. |
0.2 µs |
| for fixed point arithmetic, typ. |
2 µs |
| for floating point arithmetic, typ. |
3 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. |
1 023; Number band: 1 to 1023 |
| ● Size, max. |
16 kbyte |
| FB |
| ● Number, max. |
1 024; Number range: 0 to 2047 |
| ● Size, max. |
16 kbyte |
| FC |
| ● Number, max. |
1 024; Number range: 0 to 2047 |
| ● Size, max. |
16 kbyte |
| OB |
| ● Size, max. |
16 kbyte |
| ● Number of free cycle OBs |
1; OB 1 |
| ● Number of time alarm OBs |
1; OB 10 |
| ● Number of delay alarm OBs |
1; OB 20 |
| ● Number of time interrupt OBs |
1; OB 35 |
| ● Number of process alarm OBs |
1; OB 40 |
| ● Number of DPV1 alarm OBs |
3; OB 55, 56, 57 |
| ● Number isochronous mode OBs |
1; OB 61 |
| ● Number of startup OBs |
1; OB 100 |
| ● Number of asynchronous error OBs |
6; OB 80, 82, 83, 85, 86, 87 |
| ● Number of synchronous error OBs |
2; OB 121, 122 |
| 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 |
| — can be set |
Yes |
| — lower limit |
0 |
| — upper limit |
255 |
| — preset |
8 |
| Retentivity |
| — can be set |
Yes |
| — lower limit |
0 |
| — upper limit |
255 |
| — preset |
8 |
| Counting range |
| — can be set |
Yes |
| — lower limit |
0 |
| — upper limit |
999 |
| IEC counter |
| ● present |
Yes |
| ● Type |
SFB |
| ● Number |
Unlimited (limited only by RAM capacity) |
| S7 times |
| ● Number |
256 |
| of which retentive without battery |
| — can be set |
Yes |
| — lower limit |
0 |
| — upper limit |
255 |
| Retentivity |
| — can be set |
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, total |
All, 128 KB max. |
| Flag |
| ● Number, max. |
2 048 byte |
| ● Retentivity available |
Yes; MB 0 to MB 2047 |
| ● Retentivity preset |
MB 0 to MB 15 |
| ● Number of clock memories |
8; 1 memory byte |
| Data blocks |
| ● Number, max. |
1 023; From DB 1 to DB 1023 |
| ● Size, max. |
16 kbyte |
| ● Retentivity adjustable |
Yes; via non-retain property on DB |
| ● Retentivity preset |
Yes |
| Local data |
| ● per priority class, max. |
1 024 byte; per block max. 510 |
| Address area |
| I/O address area |
| ● Inputs |
2 kbyte |
| ● Outputs |
2 kbyte |
| of which, distributed |
| — Inputs |
2 kbyte |
| — Outputs |
2 kbyte |
| Process image |
| ● Inputs |
2 048 byte |
| ● Outputs |
2 048 byte |
| Digital channels |
| ● Inputs |
16 384 |
| ● Outputs |
16 384 |
| ● Inputs, of which central |
1 024; max. |
| ● Outputs, of which central |
1 024; max. |
| Analog channels |
| ● Inputs |
1 024 |
| ● Outputs |
1 024 |
| ● Inputs, of which central |
256; max. |
| ● Outputs, of which central |
256; max. |
| Hardware configuration |
| Expansion devices, max. |
3 |
| Number of DP masters |
| ● Integrated |
1 |
| ● Via CP |
4 |
| Number of operable FMs and CPs (recommended) |
| ● FM |
8 |
| ● CP, point-to-point |
8 |
| ● CP, LAN |
10 |
| Rack |
| ● Racks, max. |
4 |
| ● Modules per rack, max. |
8 |
| 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 |
1 hour |
| ● retentive |
Yes; Must be restarted at each restart |
| Clock synchronization |
| ● supported |
Yes |
| ● to MPI, master |
Yes |
| ● to MPI, slave |
Yes |
| ● to DP, master |
Yes; With DP slave only slave clock |
| ● to DP, slave |
Yes |
| ● in AS, master |
Yes |
| ● in AS, slave |
Yes |
| Digital inputs |
| integrated channels (DI) |
0 |
| Digital outputs |
| integrated channels (DO) |
0 |
| Analog inputs |
| Integrated channels (AI) |
0 |
| Analog outputs |
| Integrated channels (AO) |
0 |
| Interfaces |
| Number of parallel interfaces |
0 |
| Number of 20 mA interfaces (TTY) |
0 |
| Number of RS 232 interfaces |
0 |
| Number of RS 422 interfaces |
0 |
| Number of other interfaces |
0 |
| 1st interface |
| Interface type |
Integrated RS 485 interface |
| Physics |
RS 485 |
| Isolated |
Yes |
| Power supply to interface (15 to 30 V DC), max. |
200 mA |
| Functionality |
| ● MPI |
Yes |
| ● DP master |
Yes |
| ● DP slave |
Yes |
| ● Point-to-point connection |
No |
| MPI |
| ● Number of connections |
16 |
| ● Transmission rate, max. |
12 Mbit/s |
| Services |
| — PG/OP communication |
Yes |
| — Routing |
Yes |
| — Global data communication |
Yes |
| — S7 basic communication |
Yes |
| — S7 communication |
Yes |
| — S7 communication, as client |
No |
| — S7 communication, as server |
Yes |
| DP master |
| ● Transmission rate, max. |
12 Mbit/s |
| ● Number of DP slaves, max. |
124 |
| Services |
| — PG/OP communication |
Yes |
| — Routing |
Yes |
| — Global data communication |
No |
| — S7 basic communication |
Yes |
| — S7 communication |
Yes |
| — S7 communication, as client |
No |
| — S7 communication, as server |
Yes |
| — Equidistance mode support |
Yes |
| — Isochronous mode |
Yes; OB 61 |
| — SYNC/FREEZE |
Yes |
| — Activation/deactivation of DP slaves |
Yes |
| — DPV1 |
Yes |
| DP slave |
| ● Transmission rate, max. |
12 Mbit/s |
| ● Automatic baud rate search |
Yes; only with passive interface |
| ● Address area, max. |
32; With max. 32 bytes each |
| Services |
| — Routing |
Yes; Only with active interface |
| — Global data communication |
No |
| — S7 basic communication |
Yes |
| — S7 communication |
Yes |
| — S7 communication, as client |
No |
| — S7 communication, as server |
Yes |
| — Direct data exchange (slave-to-slave communication) |
Yes |
| — DPV1 |
No |
| Transfer memory |
| — Inputs |
244 byte |
| — Outputs |
244 byte |
| 2nd interface |
| Interface type |
PROFINET |
| Physics |
Ethernet |
| Isolated |
Yes |
| Power supply to interface (15 to 30 V DC), max. |
0 mA |
| Automatic detection of transmission speed |
Yes; 10/100 Mbit/s |
| Functionality |
| ● MPI |
No |
| ● DP master |
No |
| ● DP slave |
No |
| ● PROFINET IO Controller |
Yes |
| ● PROFINET CBA |
Yes |
| ● Point-to-point connection |
No |
| PROFINET IO Controller |
| ● Transmission rate, max. |
100 Mbit/s |
| ● Number of connectable IO devices, max. |
128 |
| ● Updating time |
1 to 512 ms (minimum value depends on communication share set for PROFINET I/O, on the number of I/O devices, and on the volume of configured user data) |
| Services |
| — PG/OP communication |
Yes |
| — Routing |
Yes |
| — S7 communication |
Yes; With loadable FBs, max. configurable connections: 14, max. number of instances: 32 |
| — Open IE communication |
Yes; via TCP/IP |
| Address area |
| — Inputs, max. |
2 kbyte |
| — Outputs, max. |
2 kbyte |
| — User data consistency, max. |
256 byte |
| PROFINET CBA |
| ● acyclic transmission |
Yes |
| ● Cyclic transmission |
Yes |
| Communication functions |
| PG/OP communication |
Yes |
| Global data communication |
| ● supported |
Yes |
| ● Number of GD loops, max. |
8 |
| ● Number of GD packets, max. |
8 |
| ● Number of GD packets, transmitter, max. |
8 |
| ● Number of GD packets, receiver, max. |
8 |
| ● Size of GD packets, max. |
22 byte |
| ● Size of GD packet (of which consistent), max. |
22 byte |
| S7 basic communication |
| ● supported |
Yes |
| ● User data per job, max. |
76 byte |
| ● User data per job (of which consistent), max. |
76 byte; 76 bytes (with X_SEND or X_RCV); 64 bytes (with X_PUT or X_GET as server) |
| S7 communication |
| ● supported |
Yes |
| ● as server |
Yes |
| ● As client |
Yes; via integrated PROFINET interface and loadable FB or via CP and loadable FB |
| ● User data per job, max. |
See online help of STEP 7 (shared parameters of the SFBs/FBs and of the SFCs/FCs of S7 Communication) |
| S5-compatible communication |
| ● supported |
Yes; via CP and loadable FC |
| Open IE communication |
| ● TCP/IP |
Yes; via integrated PROFINET interface and loadable FBs |
| — Number of connections, max. |
8 |
| — Data length, max. |
1 460 byte |
| PROFINET CBA (at set setpoint communication load) |
| ● Setpoint for the CPU communication load |
50 % |
| ● Number of remote interconnection partners |
32 |
| ● Number of functions, master/slave |
17 |
| ● Total of all Master/Slave connections |
1 000 |
| ● Data length of all incoming connections master/slave, max. |
4 000 byte |
| ● Data length of all outgoing connections master/slave, max. |
4 000 byte |
| ● Number of device-internal and PROFIBUS interconnections |
500 |
| ● Data length of device-internal und PROFIBUS interconnections, max. |
4 000 byte |
| ● Data length per connection, max. |
1 400 byte |
| Remote interconnections with acyclic transmission |
| — Sampling frequency: Sampling time, min. |
500 ms |
| — Number of incoming interconnections |
100 |
| — Number of outgoing interconnections |
100 |
| — Data length of all incoming interconnections, max. |
2 000 byte |
| — Data length of all outgoing interconnections, max. |
2 000 byte |
| — Data length per connection, max. |
1 400 byte |
| Remote interconnections with cyclic transmission |
| — Transmission frequency: Transmission interval, min. |
10 ms |
| — Number of incoming interconnections |
200 |
| — Number of outgoing interconnections |
200 |
| — Data length of all incoming interconnections, max. |
2 000 byte |
| — Data length of all outgoing interconnections, max. |
2 000 byte |
| — Data length per connection, max. |
450 byte |
| HMI variables via PROFINET (acyclic) |
| — Number of stations that can log on for HMI variables (PN OPC/iMap) |
3; 2x PN OPC/1x iMap |
| — HMI variable updating |
500 ms |
| — Number of HMI variables |
200 |
| — Data length of all HMI variables, max. |
2 000 byte |
| PROFIBUS proxy functionality |
| — supported |
Yes |
| — Number of linked PROFIBUS devices |
16 |
| — Data length per connection, max. |
240 byte; Slave-dependent |
| Number of connections |
| ● overall |
16 |
| ● usable for PG communication |
15; max. |
| — reserved for PG communication |
1 |
| — Adjustable for PG communication, min. |
1 |
| — Adjustable for PG communication, max. |
15; 1 to 15 |
| ● usable for OP communication |
15 |
| — reserved for OP communication |
1 |
| — adjustable for OP communication, min. |
1 |
| — adjustable for OP communication, max. |
15; 1 to 15 |
| ● usable for S7 basic communication |
14 |
| — Reserved for S7 basic communication |
0 |
| — adjustable for S7 basic communication, min. |
0 |
| — adjustable for S7 basic communication, max. |
14; 0 to 14 |
| ● usable for routing |
X1 as MPI: max. 10; X1 as DP master: max. 24; X1 as DP slave (active): max. 14; X2 as PROFINET: 24 max. |
| S7 message functions |
| Number of login stations for message functions, max. |
16; Depending on the configured connections for PG/OP and S7 basic communication |
| Process diagnostic messages |
Yes |
| simultaneously active Alarm-S blocks, max. |
40 |
| Test commissioning functions |
| Status block |
Yes |
| Single step |
Yes |
| Number of breakpoints |
2 |
| Status/control |
| ● Status/control variable |
Yes |
| ● Variables |
Inputs, outputs, memory bits, DB, times, counters |
| ● Number of variables, max. |
30 |
| ● of which status variables, max. |
30 |
| ● of which control variables, max. |
14 |
| Forcing |
| ● Forcing |
Yes |
| ● Force, variables |
Inputs, outputs |
| ● Number of variables, max. |
10 |
| Diagnostic buffer |
| ● present |
Yes |
| ● Number of entries, max. |
100 |
| — can be set |
No |
| Configuration |
| Configuration software |
| ● STEP 7 |
Yes; V5.3 SP3 and higher HW update |
| programming |
| ● Command set |
see instruction list |
| ● Nesting levels |
8 |
| ● System functions (SFC) |
see instruction list |
| ● System function blocks (SFB) |
see instruction list |
| Programming language |
| — LAD |
Yes |
| — FBD |
Yes |
| — STL |
Yes |
| — SCL |
Yes |
| — CFC |
Yes |
| — GRAPH |
Yes |
| — HiGraph® |
Yes |
| Know-how protection |
| ● User program protection/password protection |
Yes |
| Dimensions |
| Width |
80 mm |
| Height |
125 mm |
| Depth |
130 mm |
| Weights |
| Weight, approx. |
460 g |
| last modified: |
25.09.2014 |
