SIMATIC S7-300 CPU 319-3 PN/DP, CENTRAL PROCESSING UNIT WITH 2 MBYTE WORKING MEMORY, 1. INTERFACE MPI/DP 12MBIT/S, 2. INTERFACE DP-MASTER/SLAVE, 3. INTERFACE ETHERNET PROFINET, WITH 2 PORT SWITCH, MICRO MEMORY CARD NECESSARY |
General information |
Hardware product version | 01 |
Firmware version | V3.2 |
[nicht versorgt: TAK_ABW067_001_000] |
associated programming package | STEP7 V 5.5 or higher |
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. |
Mains buffering |
Mains/voltage failure stored energy time | 5 ms |
Repeat rate, min. | 1 s |
Input current |
Current consumption (rated value) | 1250 mA |
Current consumption (in no-load operation), typ. | 500 mA |
Inrush current, typ. | 4 A |
I²t | 1.2 A²·s |
Power losses |
Power loss, typ. | 14 W |
Memory |
Work memory |
integrated | 2048 Kibyte |
expandable | No |
Size of retentive memory for retentive data blocks | 700 Kibyte |
Load memory |
pluggable (MMC) | Yes |
pluggable (MMC), max. | 8 Mbyte |
Data management on MMC (after last programming), min. | 10 a |
Backup |
present | Yes |
without battery | Yes |
CPU processing times |
for bit operations, min. | 0.0040 µs |
for word operations, min. | 0.01 µs |
for fixed point arithmetic, min. | 0.01 µs |
for floating point arithmetic, min. | 0.04 µs |
CPU-blocks |
Number of blocks (total) | 4096; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used. |
DB |
Number, max. | 4096; Number range: 1 to 16000 |
Size, max. | 64 Kibyte |
FB |
Number, max. | 4096; Number range: 0 to 7999 |
Size, max. | 64 Kibyte |
FC |
Number, max. | 4096; Number range: 0 to 7999 |
Size, max. | 64 Kibyte |
OB |
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 | 2; OB 20, 21 |
Number of time interrupt OBs | 4; OB 32, 33, 34, 35 (OB 35: smallest settable clock pulse = 500 µs) |
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 (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 | 2048 |
Retentivity |
adjustable | Yes |
lower limit | 0 |
upper limit | 2047 |
preset | Z 0 to Z 7 |
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 | 2048 |
Retentivity |
adjustable | Yes |
lower limit | 0 |
upper limit | 2047 |
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, max. 700 KB |
Flag |
Number, max. | 8192 byte |
Retentivity available | Yes; MB 0 to MB 8191 |
Retentivity preset | MB 0 to MB 15 |
Number of clock memories | 8; 1 memory byte |
Data blocks |
Number, max. | 4096; Number range: 1 to 16000 |
Size, max. | 64 Kibyte |
Retentivity adjustable | Yes; via non-retain property on DB |
Retentivity preset | Yes |
Local data |
per priority class, max. | 32768 byte; Max. 2048 bytes per block |
Address area |
I/O address area |
Inputs | 8192 byte |
Outputs | 8192 byte |
of which, distributed |
Inputs | 8192 byte |
Outputs | 8192 byte |
Process image |
Inputs | 8192 byte |
Outputs | 8192 byte |
Inputs, adjustable | 8192 byte |
Outputs, adjustable | 8192 byte |
Inputs, default | 256 byte |
Outputs, default | 256 byte |
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 | 65536 |
Outputs | 65536 |
Inputs, of which central | 1024 |
Outputs, of which central | 1024 |
Analog channels |
Inputs | 4096 |
Outputs | 4096 |
Inputs, of which central | 256 |
Outputs, of which central | 256 |
Hardware configuration |
Racks, max. | 4 |
Modules per rack, max. | 8 |
Number of DP masters |
integrated | 2 |
via CP | 4 |
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; 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; With DP slave only slave clock |
to DP, slave | Yes |
in AS, master | Yes |
in AS, slave | Yes |
on Ethernet via NTP | Yes; as client |
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 hardware interfaces | 1; Ethernet, 2-port switch, 2*RJ45 |
1st interface |
Type of interface | Integrated RS 485 interface |
Physics | RS 485 |
Isolated | Yes |
Power supply to interface (15 to 30 V DC), max. | 150 mA |
Functionality |
MPI | Yes |
DP master | Yes |
DP slave | Yes |
Point-to-point connection | No |
MPI |
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 |
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 |
S7 communication, as server | Yes |
Equidistance mode support | Yes |
Isochronous mode | No |
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 |
Transmission rate, max. | 12 Mbit/s |
Number of DP slaves, max. | 124 |
Address area |
Inputs, max. | 8 Kibyte |
Outputs, max. | 8 Kibyte |
User data per DP slave |
Inputs, max. | 244 byte |
Outputs, max. | 244 byte |
DP slave |
Services |
PG/OP communication | Yes |
Routing | Yes; with interface active |
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 |
Transmission rate, max. | 12 Mbit/s |
Automatic baud rate search | Yes; only with passive interface |
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 slave | Yes |
PROFINET IO Controller | No |
PROFINET IO Device | No |
PROFINET CBA | No |
Open IE communication | No |
Web server | No |
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 |
S7 communication, as server | Yes; Connection configured on one side only |
Equidistance mode support | Yes |
Isochronous mode | Yes; OB 61 - isochronous mode is possible either on DP or PROFINET IO (not simultaneously) |
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 |
Transmission rate, max. | 12 Mbit/s |
Number of DP slaves, max. | 124 |
Address area |
Inputs, max. | 8 Kibyte |
Outputs, max. | 8 Kibyte |
User data per DP slave |
Inputs, max. | 244 byte |
Outputs, max. | 244 byte |
DP slave |
Services |
PG/OP communication | Yes |
Routing | Yes; with interface active |
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 |
GSD file | The latest GSD file is available at: http://www.siemens.de/profibus-gsd |
Transmission rate, max. | 12 Mbit/s |
Automatic baud rate search | Yes; only with passive interface |
Transfer memory |
Inputs | 244 byte |
Outputs | 244 byte |
Address area, max. | 32 |
User data per address area, max. | 32 byte |
3rd interface |
Type of interface | 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 |
Media redundancy |
supported | Yes |
Switchover time on line break, typically | 200 ms; PROFINET MRP |
Number of stations in the ring, max. | 50 |
Change of IP address at runtime, supported | Yes |
Functionality |
MPI | No |
DP master | No |
DP slave | No |
PROFINET IO Controller | Yes; Also simultaneously with I-Device functionality |
PROFINET IO Device | Yes; Also simultaneously with IO Controller functionality |
PROFINET CBA | Yes |
Open IE communication | Yes; Via TCP/IP, ISO on TCP, and UDP |
Web server | Yes |
Number of HTTP clients | 5 |
PROFINET IO Controller |
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 is possible either on DP or PROFINET IO (not simultaneously) |
Open IE communication | Yes; Via TCP/IP, ISO on TCP, and UDP |
Transmission rate, max. | 100 Mbit/s |
Number of connectable IO devices, max. | 256 |
Max. number of connectable IO devices for RT | 256 |
of which in line, max. | 256 |
Number of IO devices with IRT and the option "high flexibility" | 256 |
of which in line, max. | 61 |
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 |
Number of IO Devices that can be simultaneously activated/deactivated, max. | 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 (not in the case of IRT with "high flexibility" option) |
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) |
Address area |
Inputs, max. | 8 Kibyte |
Outputs, max. | 8 Kibyte |
User data per address area, max. | |
User data consistency, max. | 1024 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, supported | Yes |
PROFIenergy, supported | Yes; With SFB 73 / 74 prepared for loadable PROFIenergy standard FB for I-Device |
Shared device, supported | Yes |
Number of IO controllers with shared device, max. | 2 |
Transfer memory |
Inputs, max. | 1440 byte; Per IO Controller with shared device |
Outputs, max. | 1440 byte; Per IO Controller with shared device |
Submodules |
Number, max. | 64 |
User data per submodule, max. | 1024 byte |
PROFINET CBA |
acyclic transmission | Yes |
Cyclic transmission | Yes |
Open IE communication |
Open IE communication, supported | Yes |
Number of connections, max. | 32 |
Local port numbers used at the system end | 0, 20, 21, 23, 25, 80, 102, 135, 161, 8080, 34962, 34963, 34964, 65532, 65533, 65534, 65535 |
Keep-alive function, supported | Yes |
Isochronous mode |
Isochronous mode | Yes; Via 2nd 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. | 32 |
Data length for connection type 01H, max. | 1460 byte |
Data length for connection type 11H, max. | 32768 byte |
Several passive connections per port, supported | Yes |
ISO-on-TCP (RFC1006) | Yes; via integrated PROFINET interface and loadable FBs |
Number of connections, max. | 32 |
Data length, max. | 32768 byte |
UDP | Yes; via integrated PROFINET interface and loadable FBs |
Number of connections, max. | 32 |
Data length, max. | 1472 byte |
Web server |
supported | Yes |
Number of HTTP clients | 5 |
User-defined websites | Yes |
PROFINET CBA (at set setpoint communication load) |
Setpoint for the CPU communication load | 20 % |
Number of remote interconnection partners | 32 |
Number of functions, master/slave | 50 |
Total of all Master/Slave connections | 3000 |
Data length of all incoming connections master/slave, max. | 24000 byte |
Data length of all outgoing connections master/slave, max. | 24000 byte |
Number of device-internal and PROFIBUS interconnections | 1000 |
Data length of device-internal und PROFIBUS interconnections, max. | 8000 byte |
Data length per connection, max. | 1400 byte |
Remote interconnections with acyclic transmission |
Sampling frequency: Sampling time, min. | 200 ms |
Number of incoming interconnections | 100 |
Number of outgoing interconnections | 100 |
Data length of all incoming interconnections, max. | 3200 byte |
Data length of all outgoing interconnections, max. | 3200 byte |
Data length per connection, max. | 1400 byte |
Remote interconnections with cyclic transmission |
Transmission frequency: Transmission interval, min. | 1 ms |
Number of incoming interconnections | 300 |
Number of outgoing interconnections | 300 |
Data length of all incoming interconnections, max. | 4800 byte |
Data length of all outgoing interconnections, max. | 4800 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 | 600 |
Data length of all HMI variables, max. | 9600 byte |
PROFIBUS proxy functionality |
supported | Yes |
Number of linked PROFIBUS devices | 32 |
Data length per connection, max. | 240 byte; Slave-dependent |
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 DP master: max. 24; X2 as DP slave (active): max. 14; X3 as PROFINET: 48 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/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; Up to 2 simultaneously |
Single step | Yes |
Number of breakpoints | 4 |
Diagnostic buffer |
present | Yes |
Number of entries, max. | 500 |
adjustable | No |
Of which powerfail-proof | 100 |
Number of entries readable in RUN, max. | 499 |
adjustable | Yes; From 10 to 499 |
preset | 10 |
Service data |
Can be read out | Yes |
Ambient conditions |
Operating temperature |
Min. | 0 °C |
max. | 60 °C |
Configuration |
Configuration software |
STEP 7 | Yes; V5.5 or higher |
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 |
Block encryption | Yes; With S7 block Privacy |
Dimensions |
Width | 120 mm |
Height | 125 mm |
Depth | 130 mm |
Weight |
Weight, approx. | 1250 g |