SIMATIC S7-300, CPU 315T-2 DP, CENTRAL PROCESSING UNIT FOR PLC AND TECHNOLOGY 256 KBYTE 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. 8 MB NECESSARY |
General information |
Hardware product version | 01 |
Firmware version | CPU:V2.7;integrated technology: V4.1.5 |
[nicht versorgt: TAK_ABW067_001_000] |
associated programming package | STEP 7 V5.4 + SP5 (and higher) and Optional package S7-Technology V4.2 |
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. | 200 mA |
Inrush current, typ. | 2.5 A |
I²t | 1 A²·s |
Power losses |
Power loss, typ. | 6 W |
Memory |
Work memory |
integrated | 256 Kibyte |
expandable | No |
Load memory |
pluggable (MMC) | Yes |
pluggable (MMC), max. | 8 Mbyte |
Data management on MMC (after last programming), min. | 10 a |
Backup |
present | Yes; Guaranteed by MMC (maintenance-free) |
without battery | Yes; Program and data |
CPU processing times |
for bit operations, min. | 0.1 µs |
for bit operations, max. | 0.1 µs |
for word operations, min. | 0.2 µs |
for fixed point arithmetic, min. | 2 µs |
for floating point arithmetic, min. | 3 µs |
CPU-blocks |
Number of blocks (total) | 1024; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used. |
DB |
Number, max. | 1023; Number band: 1 to 1023 |
Size, max. | 64 Kibyte |
FB |
Number, max. | 1024; Number range: 0 to 2047 |
Size, max. | 64 Kibyte |
FC |
Number, max. | 1024; Number range: 0 to 2047 |
Size, max. | 64 Kibyte |
OB |
Description | see instruction list |
Size, max. | 64 Kibyte |
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 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 | 8 |
additional within an error OB | 4 |
Counters, timers and their retentivity |
S7 counter |
Number | 256; Number range: 0 to 255 |
Retentivity |
adjustable | Yes |
preset | 8 |
Counting range |
adjustable | Yes |
lower limit | 0 |
upper limit | 999 |
IEC counter |
present | Yes |
Type | SFB |
Number | Unlimited (limited only by RAM capacity) |
S7 times |
Number | 256; Number range: 0 to 255 |
of which retentive without battery |
adjustable | Yes; From Z 0 to Z 7 |
Retentivity |
adjustable | Yes |
preset | No retentivity |
Time range |
lower limit | 10 ms |
upper limit | 9990 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. 128 KB |
Flag |
Number, max. | 2048 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. | 1023; From DB 1 to DB 1023 |
Size, max. | 64 Kibyte |
Retentivity adjustable | Yes; via non-retain property on DB |
Retentivity preset | Yes |
Local data |
per priority class, max. | 1024 byte |
Address area |
I/O address area |
Inputs | 2048 byte |
Outputs | 2048 byte |
of which, distributed |
Inputs | 2048 byte |
Outputs | 2048 byte |
Process image |
Inputs, adjustable | 2048 byte |
Outputs, adjustable | 2048 byte |
Inputs, default | 128 byte |
Outputs, default | 128 byte |
Default addresses of the integrated channels |
Digital inputs | 66 |
Digital outputs | 66 |
Subprocess images |
Number of subprocess images, max. | 1 |
Digital channels |
Inputs | 16384 |
Outputs | 16384 |
Inputs, of which central | 512 |
Outputs, of which central | 512 |
Analog channels |
Inputs | 1024 |
Outputs | 1024 |
Inputs, of which central | 64 |
Outputs, of which central | 64 |
Hardware configuration |
Racks, max. | 1 |
Modules per rack, max. | 8 |
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 | 10 |
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 |
to DP, slave | Yes |
in AS, master | Yes |
in AS, slave | Yes |
Digital inputs |
Number/binary inputs | 4 |
of which, inputs usable for technological functions | 4 |
Input characteristic curve acc. to IEC 1131, 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 |
Type of voltage / of the input voltage | |
Rated value, DC | 24 V |
for signal "0" | -3 to +5 V |
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; typ. |
at "1" to "0", max. | 10 µs; typ. |
Cable length |
Cable length, shielded, max. | 1000 m |
Digital outputs |
Number/binary outputs | 8 |
of which high-speed outputs | 8 |
Functions | For technology functions, e.g. high-speed cam switch signals |
Functionality/short-circuit strength | Yes |
Response threshold, typ. | 1.0 A |
Limitation of inductive shutdown voltage to | 48 V |
Lamp load, max. | 5 W |
Controlling a digital input | No |
Output voltage |
for signal "0" (DC), 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, DC13 |
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 |
Load resistance range |
lower limit | 48 Ω |
upper limit | 4 kΩ |
Cable length |
Cable length, shielded, max. | 1000 m |
Encoder |
Connectable encoders |
2-wire BEROS | No |
1st interface |
Type of interface | 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 |
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; Connection configured on one side only |
Transmission rate, max. | 12 Mbit/s |
DP master |
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; Connection configured on one side only |
Equidistance mode support | Yes |
Isochronous mode | Yes; OB 61 |
SYNC/FREEZE | Yes |
Activation/deactivation of DP slaves | Yes |
DPV1 | Yes |
Transmission rate, max. | 12 Mbit/s |
Number of DP slaves, max. | 124 |
Address area |
Inputs, max. | 2048 byte |
Outputs, max. | 2048 byte |
User data per DP slave |
Inputs, max. | 244 byte |
Outputs, max. | 244 byte |
DP slave |
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; 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 |
Transmission rate, max. | 12 Mbit/s |
Automatic baud rate search | No |
Transfer memory |
Inputs | 244 byte |
Outputs | 244 byte |
Address area, max. | 32 |
User data per address area, max. | 32 byte |
2nd interface |
Type of interface | 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 |
Local Operating Network | No |
DP master |
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 |
Transmission rate, max. | 12 Mbit/s |
Number of DP slaves, max. | 64 |
Address area |
Inputs, max. | 1024 byte |
Outputs, max. | 1024 byte |
User data per DP slave |
Inputs, max. | 244 byte |
Outputs, max. | 244 byte |
DP slave |
Services |
GSD file | http://www.ad.siemens.de/support in Product Support area |
Transmission rate, max. | 12 Mbit/s |
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. | 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 |
Number of connections |
overall | 16 |
usable for PG communication | 15 |
reserved for PG communication | 1 |
Adjustable for PG communication, min. | 1 |
Adjustable for PG communication, max. | 15 |
usable for OP communication | 15 |
reserved for OP communication | 1 |
adjustable for OP communication, min. | 1 |
adjustable for OP communication, max. | 15 |
usable for S7 basic communication | 12 |
Reserved for S7 basic communication | 0 |
adjustable for S7 basic communication, min. | 0 |
adjustable for S7 basic communication, max. | 12 |
usable for routing | 8; additional |
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/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 |
Status block | Yes |
Single step | Yes |
Number of breakpoints | 2 |
Diagnostic buffer |
present | Yes |
Number of entries, max. | 100 |
adjustable | No |
Interrupts/diagnostics/status information |
Alarms |
Alarms | No |
Diagnoses |
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; V5.2 SP1 or higher and S7 Technology option package |
programming |
Programming language |
LAD | Yes |
FBD | Yes |
STL | Yes |
SCL | Yes |
CFC | Yes |
GRAPH | Yes |
HiGraph® | Yes |
Command set | see instruction list |
Nesting levels | 8 |
Software libraries |
System functions (SFC) | see instruction list |
System function blocks (SFB) | see instruction list |
Know-how protection |
User program protection/password protection | Yes |
Cycle time monitoring |
lower limit | 1 ms |
upper limit | 6000 ms |
adjustable | Yes |
preset | 150 ms |
Dimensions |
Width | 160 mm |
Height | 125 mm |
Depth | 130 mm |
Weight |
Weight, approx. | 750 g |