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SIMATIC S7-300, CPU 317T-3 PN/DP, CENTRAL PROCESSING UNIT FOR PLC AND TECHNOLOGY, 1024 KBYTE WORKING MEMORY, 1. INTERFACE MPI/DP 12MBIT/S, 2. INTERFACE DP(DRIVE), 3. INTERFACE ETHERNET PROFINET WITH 2 PORT SWITCH, INTEGRATED I/O FOR TECHNOLOGY, FRONT CONNECTOR (1 X 40PIN) AND MICRO MEMORY CARD MIN. 8 MB NECESSARY |
| Product type designation |
| General information |
| Hardware product version |
01 |
| Firmware version |
CPU: V3.2; integrated technology V4.1.5 |
| Supply voltage |
| 24 V DC |
Yes |
| permissible range, lower limit (DC) |
19.2 V |
| permissible range, upper limit (DC) |
28.8 V |
| External protection for supply cables (recommendation) |
2 A min. |
| Load voltage L+ |
| ● Rated value (DC) |
24 V |
| ● Reverse polarity protection |
Yes |
| Digital outputs |
| Load voltage L+ |
| — Rated value (DC) |
24 V; 2L+ |
| — Reverse polarity protection |
No; 2L+ |
| Input current |
| Current consumption (rated value) |
1 050 mA |
| Current consumption (in no-load operation), typ. |
230 mA |
| Inrush current, typ. |
6.5 A |
| I²t |
1 A²·s |
| Power losses |
| Power loss, typ. |
7.5 W |
| Memory |
| Type of memory |
other |
| Work memory |
| ● Integrated |
1 024 kbyte |
| ● expandable |
No |
| ● Size of retentive memory for retentive data blocks |
256 kbyte |
| Load memory |
| ● pluggable (MMC) |
Yes |
| ● pluggable (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. |
0.025 µs |
| for word operations, typ. |
0.03 µs |
| for fixed point arithmetic, typ. |
0.04 µs |
| 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 |
| ● Number, max. |
2 048; Number range: 1 to 16000 |
| ● Size, max. |
64 kbyte |
| FB |
| ● Number, max. |
2 048; Number range: 0 to 7999 |
| ● Size, max. |
64 kbyte |
| FC |
| ● Number, max. |
2 048; 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 time 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 isochronous mode OBs |
1; OB 61 - isochronous mode is possible either on DP or PROFINET IO (not simultaneously) |
| ● Number of technology synchronous alarm OBs |
1; OB 65 |
| ● Number of startup OBs |
1; OB 100 |
| ● Number of asynchronous error OBs |
6; OB 80, 82, 83, 85, 86, 87 (OB83 only for PROFINET IO) |
| ● 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 |
512 |
| Retentivity |
| — can be set |
Yes |
| — lower limit |
0 |
| — upper limit |
511 |
| — preset |
Z 0 to Z 7 |
| 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 |
512 |
| Retentivity |
| — can be set |
Yes |
| — lower limit |
0 |
| — upper limit |
511 |
| — 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, max. 256 KB |
| Flag |
| ● Number, max. |
4 096 byte |
| ● Retentivity available |
Yes; From MB 0 to MB 4095 |
| ● Retentivity preset |
MB 0 to MB 15 |
| ● Number of clock memories |
8; 1 memory byte |
| Data blocks |
| ● Number, max. |
2 048; Number range: 1 to 16000 |
| ● Size, max. |
64 kbyte |
| ● Retentivity adjustable |
Yes; via non-retain property on DB |
| ● Retentivity preset |
Yes |
| Local data |
| ● per priority class, max. |
32 768 byte; Max. 2048 bytes per block |
| Address area |
| I/O address area |
| ● Inputs |
8 192 byte |
| ● Outputs |
8 192 byte |
| of which, distributed |
| — Inputs |
8 192 byte |
| — Outputs |
8 192 byte |
| Process image |
| ● Inputs |
8 192 byte |
| ● Outputs |
8 192 byte |
| ● Inputs, adjustable |
8 192 byte |
| ● Outputs, adjustable |
8 192 byte |
| ● Inputs, default |
256 byte |
| ● Outputs, default |
256 byte |
| Default addresses of the integrated channels |
| — Digital inputs |
66 |
| — Digital outputs |
66 |
| Subprocess images |
| ● Number of subprocess images, max. |
1; With PROFINET IO, the length of the user data is limited to 1600 bytes |
| Digital channels |
| ● Inputs |
65 536 |
| ● Outputs |
65 536 |
| ● Inputs, of which central |
256 |
| ● Outputs, of which central |
256 |
| Analog channels |
| ● Inputs |
4 096 |
| ● Outputs |
4 096 |
| ● Inputs, of which central |
64 |
| ● Outputs, of which central |
64 |
| Hardware configuration |
| Expansion devices, max. |
0 |
| Number of DP masters |
| ● Integrated |
2; 1 DP and 1 DP (drive) |
| ● Via CP |
2; for DP |
| Number of operable FMs and CPs (recommended) |
| ● FM |
8 |
| ● CP, point-to-point |
8 |
| ● CP, LAN |
8 |
| Rack |
| ● Racks, max. |
1 |
| ● 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; Typ.: 2 s |
| ● Backup time |
6 wk; At 40 °C ambient temperature |
| ● Behavior of the clock following POWER-ON |
Clock continues running after POWER OFF |
| ● Behavior of the clock following expiry of backup period |
Clock continues to run with the time at which the power failure occurred |
| Operating hours counter |
| ● Number |
4 |
| ● Number/Number range |
0 to 3 |
| ● 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 |
| ● to DP, slave |
Yes; Only time-of-day slave |
| ● in AS, master |
Yes |
| ● in AS, slave |
Yes |
| ● on Ethernet via NTP |
Yes; As client |
| Digital inputs |
| Number of digital inputs |
4 |
| ● of which, inputs usable for technological functions |
4 |
| Input characteristic curve in accordance with IEC 61131, type 1 |
Yes |
| Number of simultaneously controllable inputs |
| horizontal installation |
| — up to 40 °C, max. |
4 |
| — up to 60 °C, max. |
4 |
| vertical installation |
| — up to 40 °C, max. |
4 |
| Input voltage |
| ● Rated value (DC) |
24 V |
| ● for signal "0" |
-3 to +5V |
| ● for signal "1" |
15 to 30 V |
| Input current |
| ● for signal "1", typ. |
7 mA |
| Input delay (for rated value of input voltage) |
| for counter/technological functions |
| — at "0" to "1", max. |
10 µs; Typical |
| — at "1" to "0", max. |
10 µs; Typical |
| Cable length |
| ● Cable length, shielded, max. |
1 000 m |
| Digital outputs |
| Number of digital outputs |
8 |
| ● of which high-speed outputs |
8 |
| Functions |
For technology functions, e.g. high-speed cam switch signals |
| short-circuit protection |
Yes |
| ● Response threshold, typ. |
1,0 A |
| Limitation of inductive shutdown voltage to |
48 V |
| Controlling a digital input |
No |
| Switching capacity of the outputs |
| ● Lamp load, max. |
5 W |
| Load resistance range |
| ● lower limit |
48 Ω |
| ● upper limit |
4 kΩ |
| Output voltage |
| ● for signal "0", max. |
3 V; (2L+) |
| ● for signal "1", min. |
Rated voltage -2.5 V |
| Output current |
| ● for signal "1" rated value |
0.5 A |
| ● for signal "1" permissible range for 0 to 60 °C, min. |
5 mA |
| ● for signal "1" permissible range for 0 to 60 °C, max. |
0.6 A |
| ● for signal "0" residual current, max. |
0.3 mA |
| Parallel switching of 2 outputs |
| ● for increased power |
No |
| ● for redundant control of a load |
No |
| Switching frequency |
| ● with resistive load, max. |
100 Hz |
| ● with inductive load, max. |
0.2 Hz; to IEC 947-5-1, DC-13 |
| ● on lamp load, max. |
100 Hz |
| Aggregate current of outputs (per group) |
| horizontal installation |
| — up to 40 °C, max. |
4 A |
| — up to 60 °C, max. |
3 A |
| all other mounting positions |
| — up to 40 °C, max. |
4 A |
| Integrated high-speed cams |
| ● Switching accuracy, (+/-) |
70 µs |
| Cable length |
| ● Cable length, shielded, max. |
1 000 m |
| Analog inputs |
| Number of analog inputs |
0 |
| Analog outputs |
| Number of analog outputs |
0 |
| Encoder |
| Connectable encoders |
| ● 2-wire sensor |
No |
| Interfaces |
| 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 |
| ● 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; but via CP and loadable FB |
| — 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; I blocks only |
| — S7 communication |
Yes |
| — S7 communication, as client |
No |
| — S7 communication, as server |
Yes |
| — Equidistance mode support |
Yes |
| — Isochronous mode |
Yes; OB 61; isochronous mode can only be used alternatively on PROFIBUS DP or PROFINET IO |
| — SYNC/FREEZE |
Yes |
| — Activation/deactivation of DP slaves |
Yes |
| — Number of DP slaves that can be simultaneously activated/deactivated, max. |
8 |
| — Direct data exchange (slave-to-slave communication) |
Yes; As subscriber |
| — DPV1 |
Yes |
| Address area |
| — Inputs, max. |
8 kbyte |
| — Outputs, max. |
8 kbyte |
| User data per DP slave |
| — Inputs, max. |
244 byte |
| — Outputs, max. |
244 byte |
| DP slave |
| ● Transmission rate, max. |
12 Mbit/s |
| ● Automatic baud rate search |
Yes; only with passive interface |
| ● Address area, max. |
32 |
| ● User data per address area, max. |
32 byte |
| Services |
| — PG/OP communication |
Yes |
| — Routing |
Yes; Only with active interface |
| — Global data communication |
No |
| — S7 basic communication |
No |
| — S7 communication |
Yes |
| — S7 communication, as client |
No |
| — S7 communication, as server |
Yes; Connection configured on one side only |
| — Direct data exchange (slave-to-slave communication) |
Yes |
| — DPV1 |
No |
| Transfer memory |
| — Inputs |
244 byte |
| — Outputs |
244 byte |
| 2nd 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 |
No |
| ● DP master |
Yes; DP(DRIVE)-Master |
| ● DP slave |
No |
| ● Point-to-point connection |
No |
| DP master |
| ● Transmission rate, max. |
12 Mbit/s |
| ● Number of DP slaves, max. |
64 |
| Services |
| — PG/OP communication |
No |
| — Routing |
No |
| — Global data communication |
No |
| — S7 basic communication |
No |
| — S7 communication |
No |
| — Equidistance mode support |
Yes |
| — Isochronous mode |
Yes |
| — SYNC/FREEZE |
No |
| — Activation/deactivation of DP slaves |
Yes |
| — DPV1 |
No |
| Address area |
| — Inputs, max. |
1 024 byte |
| — Outputs, max. |
1 024 byte |
| User data per DP slave |
| — Inputs, max. |
244 byte |
| — Outputs, max. |
244 byte |
| DP slave |
| ● GSD file |
http://support.automation.siemens.com in Product Support area |
| ● Transmission rate, max. |
12 Mbit/s |
| 3rd interface |
| Interface type |
PROFINET |
| Physics |
Ethernet RJ45 |
| Isolated |
Yes |
| Integrated switch |
Yes |
| Number of ports |
2 |
| Automatic detection of transmission speed |
Yes; 10/100 Mbit/s |
| Autonegotiation |
Yes |
| Autocrossing |
Yes |
| Change of IP address at runtime, supported |
Yes |
| Media redundancy |
| ● supported |
Yes |
| ● Switchover time on line break, typically |
200 ms; PROFINET MRP |
| ● Number of stations in the ring, max. |
50 |
| Functionality |
| ● MPI |
No |
| ● DP master |
No |
| ● DP slave |
No |
| ● PROFINET IO Controller |
Yes; Also simultaneously with IO-Device functionality |
| ● PROFINET IO Device |
Yes; Also simultaneously with IO Controller functionality |
| ● Open IE communication |
Yes; Via TCP/IP, ISO on TCP, and UDP |
| ● Web server |
Yes |
| — Number of HTTP clients |
5 |
| PROFINET IO Controller |
| ● Transmission rate, max. |
100 Mbit/s |
| ● Number of connectable IO devices, max. |
128 |
| ● Max. number of connectable IO devices for RT |
128 |
| — of which in line, max. |
128 |
| ● Number of IO Devices with IRT and the option "high performance", max. |
64 |
| — of which in line, max. |
64 |
| ● Shared device, supported |
Yes |
| ● Prioritized startup supported |
Yes |
| — Number of IO Devices, max. |
32 |
| ● Activation/deactivation of IO Devices |
Yes |
| — Maximum number of IO devices that can be activated/deactivated at the same time. |
8 |
| ● IO Devices changing during operation (partner ports), supported |
Yes |
| — Max. number of IO devices per tool |
8 |
| ● Device replacement without swap medium |
Yes |
| ● Send cycles |
250 µs, 500 µs, 1 ms, 2 ms, 4 ms |
| ● Updating time |
250 µs to 512 ms (depending on the operating mode, see Manual "S7-300 CPU 31xC and CPU 31x, Technical Data" for more details) |
| Services |
| — PG/OP communication |
Yes |
| — Routing |
Yes |
| — S7 communication |
Yes; with loadable FBs, max. configurable connections: 16, max. number of instances: 32 |
| — Isochronous mode |
Yes; OB 61; isochronous mode can only be used alternatively on PROFIBUS DP or PROFINET IO |
| — Open IE communication |
Yes; Via TCP/IP, ISO on TCP, and UDP |
| Address area |
| — Inputs, max. |
8 kbyte |
| — Outputs, max. |
8 kbyte |
| — User data consistency, max. |
1 024 byte |
| PROFINET IO Device |
| Services |
| — PG/OP communication |
Yes |
| — Routing |
Yes |
| — S7 communication |
Yes; with loadable FBs, max. configurable connections: 16, max. number of instances: 32 |
| — Isochronous mode |
No |
| — Open IE communication |
Yes; Via TCP/IP, ISO on TCP, and UDP |
| — IRT |
Yes |
| — PROFIenergy, supported |
Yes; With SFB 73 / 74 prepared for loadable PROFIenergy standard FB for I-Device |
| — Shared device |
Yes |
| — Number of IO controllers with shared device, max. |
2 |
| Transfer memory |
| — Inputs, max. |
1 440 byte; Per IO Controller with shared device |
| — Outputs, max. |
1 440 byte; Per IO Controller with shared device |
| Submodules |
| — Number, max. |
64 |
| — User data per submodule, max. |
1 024 byte |
| Open IE communication |
| ● Open IE communication, supported |
Yes |
| ● Number of connections, max. |
16 |
| ● Local port numbers used at the system end |
0, 20, 21, 23, 25, 80, 102, 135, 161, 443, 8080, 34962, 34963, 34964, 65532, 65533, 65534, 65535 |
| ● Keep-alive function, supported |
Yes |
| Isochronous mode |
| Isochronous operation (application synchronized up to terminal) |
Yes; Via PROFIBUS DP or PROFINET interface |
| Communication functions |
| PG/OP communication |
Yes |
| Data record routing |
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. |
16 |
| — Data length for connection type 01H, max. |
1 460 byte |
| — Data length for connection type 11H, max. |
32 768 byte |
| — Several passive connections per port, supported |
Yes |
| ● ISO-on-TCP (RFC1006) |
Yes; via integrated PROFINET interface and loadable FBs |
| — Number of connections, max. |
16 |
| — Data length, max. |
32 768 byte |
| ● UDP |
Yes; via integrated PROFINET interface and loadable FBs |
| — Number of connections, max. |
16 |
| — Data length, max. |
1 472 byte |
| Web server |
| ● supported |
Yes |
| ● Number of HTTP clients |
5 |
| ● User-defined websites |
Yes |
| Number of connections |
| ● overall |
32 |
| ● usable for PG communication |
31 |
| — reserved for PG communication |
1 |
| — Adjustable for PG communication, min. |
1 |
| — Adjustable for PG communication, max. |
31 |
| ● usable for OP communication |
31 |
| — reserved for OP communication |
1 |
| — adjustable for OP communication, min. |
1 |
| — adjustable for OP communication, max. |
31 |
| ● usable for S7 basic communication |
30 |
| — Reserved for S7 basic communication |
0 |
| — adjustable for S7 basic communication, min. |
0 |
| — adjustable for S7 basic communication, max. |
30 |
| ● usable for S7 communication |
16 |
| — reserved for S7 communication |
0 |
| — Adjustable for S7 communication, min. |
0 |
| — Adjustable for S7 communication, max. |
16 |
| ● Max. total number of instances |
32 |
| ● 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. |
32; Depending on the configured connections for PG/OP and S7 basic communication |
| Process diagnostic messages |
Yes |
| simultaneously active Alarm-S blocks, max. |
300 |
| Test commissioning functions |
| Status block |
Yes; Up to 2 simultaneously |
| Single step |
Yes |
| Number of breakpoints |
4; without continuation |
| 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. |
500 |
| — can be set |
No |
| — Of which powerfail-proof |
100; Only the last 100 entries are retained |
| ● Number of entries readable in RUN, max. |
499 |
| — can be set |
Yes; From 10 to 499 |
| — preset |
10 |
| Service data |
| ● Can be read out |
Yes |
| Interrupts/diagnostics/status information |
| Alarms |
| ● Alarms |
No |
| Diagnostic messages |
| ● Diagnostic functions |
No |
| Diagnostics indication LED |
| ● Status indicator digital output (green) |
Yes |
| ● Status indicator digital input (green) |
Yes |
| Galvanic isolation |
| Galvanic isolation digital inputs |
| ● between the channels and the backplane bus |
Yes |
| Galvanic isolation digital outputs |
| ● between the channels and the backplane bus |
Yes |
| Permissible potential difference |
| between different circuits |
75 VDC / 60 VAC |
| Isolation |
| Isolation checked with |
500 V DC |
| Ambient conditions |
| Operating temperature |
| ● Min. |
0 °C |
| ● max. |
60 °C |
| Configuration |
| Configuration software |
| ● STEP 7 |
Yes |
| 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 |
| ● Block encryption |
Yes; With S7 block Privacy |
| Dimensions |
| Width |
120 mm |
| Height |
125 mm |
| Depth |
130 mm |
| Weights |
| Weight, approx. |
640 g |
| last modified: |
14.10.2014 |
