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SIMATIC S7-300, CPU 317TF-2 DP, CENTRAL PROCESSING UNIT FOR PLC AND TECHNOLOGY AND SAFETY, 1,5 MBYTE WORKING MEMORY, 1. INTERFACE MPI/DP 12MBIT/S 2. INTERFACE DP(DRIVE), INTEGRATED I/O FOR TECHNOLOGY FRONT CONNECTOR (1 X 40PIN) AND MICRO MEMORY CARD MIN. 8MB NECESSARY |
Product type designation |
General information |
Hardware product version |
01 |
Firmware version |
CPU: V2.7, integrated technology: V4.1.5 |
Engineering with |
● Programming package |
STEP7 V 5.4 SP5 or higher, S7-Technology V4.2 or higher, Distributed Safety V5.4 SP5 or higher, S7-F Configuration Pack V5.5 SP7 or higher |
Supply voltage |
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. |
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 (in no-load operation), typ. |
250 mA |
Inrush current, typ. |
2.5 A |
I²t |
1 A²·s |
Power losses |
Power loss, typ. |
6 W |
Memory |
Type of memory |
other |
Work memory |
● Integrated |
1 536 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. |
0.05 µs |
for bit operations, max. |
0.05 µs |
for word operations, typ. |
0.2 µs |
for fixed point arithmetic, typ. |
0.2 µs |
for floating point arithmetic, typ. |
1 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. |
2 047; Number band: 1 to 2047 |
● Size, max. |
64 kbyte |
FB |
● Number, max. |
2 048; Number range: 0 to 2047 |
● Size, max. |
64 kbyte |
FC |
● Number, max. |
2 048; Number range: 0 to 2047 |
● 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 |
● Number of technology synchronous alarm OBs |
1; OB 65 |
● 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 |
512; Number range: 0 to 511 |
Retentivity |
— can be set |
Yes |
— preset |
8 (from 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; Number range: 0 to 511 |
of which retentive without battery |
— can be set |
Yes |
Retentivity |
— can be set |
Yes |
— 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 DBs, 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. |
2 047; from DB 1 to DB 2047 |
● Size, max. |
64 kbyte |
● Retentivity adjustable |
Yes; via non-retain property on DB |
● Retentivity preset |
Yes |
Local data |
● per priority class, max. |
1 024 byte |
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, adjustable |
2 048 byte |
● Outputs, adjustable |
2 048 byte |
● Inputs, default |
1 024 byte |
● Outputs, default |
1 024 byte |
Default addresses of the integrated channels |
— Digital inputs |
66 |
— Digital outputs |
66 |
Subprocess images |
● Number of subprocess images, max. |
1 |
Digital channels |
● Inputs |
65 536 |
● Outputs |
65 536 |
● Inputs, of which central |
512 |
● Outputs, of which central |
512 |
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 |
● 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 |
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 (2L+) |
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. |
3 A |
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 USB interfaces |
0 |
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 |
32 |
● 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; but via CP and loadable FB |
— S7 communication, as server |
Yes |
— Equidistance mode support |
Yes |
— Isochronous mode |
Yes; OB 61 |
— SYNC/FREEZE |
Yes |
— Activation/deactivation of DP slaves |
Yes |
— Number of DP slaves that can be simultaneously activated/deactivated, max. |
4 |
— DPV1 |
Yes |
Address area |
— Inputs, max. |
8 192 byte |
— Outputs, max. |
8 192 byte |
User data per DP slave |
— Inputs, max. |
244 byte |
— Outputs, max. |
244 byte |
DP slave |
● GSD file |
http://www.siemens.com/profibus-gsd |
● 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; Only server, configured on one side |
— S7 communication, as client |
Yes; but via CP and loadable FB |
— 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 |
Yes |
— 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 |
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), 76 bytes (with X_PUT or X_GET as server) |
S7 communication |
● supported |
Yes |
● as server |
Yes |
● As client |
Yes; Via CP and loadable FB |
● User data per job, max. |
180 byte; With PUT/GET |
● User data per job (of which consistent), max. |
160 byte |
S5-compatible communication |
● supported |
Yes; via CP and loadable FC |
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 routing |
8 |
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. |
60 |
Test commissioning functions |
Status block |
Yes; Up to 2 simultaneously |
Single step |
Yes |
Number of breakpoints |
2; 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. |
100 |
— can be set |
No |
— Of which powerfail-proof |
100 |
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 |
Cycle time monitoring |
● lower limit |
1 ms |
● upper limit |
6 000 ms |
● can be set |
Yes |
● preset |
150 ms |
Dimensions |
Width |
160 mm |
Height |
125 mm |
Depth |
130 mm |
Weights |
Weight, approx. |
750 g |
last modified: |
14.10.2014 |