315-4PN12 - CPUs | CPUs STEP7 programmable, PROFINET

Order no.

315-4PN12
TypeCPU 315SN/PN

General information
Note-
FeaturesSPEED7 technology
1 MB work memory
Memory extension (max. 2 MB)
PROFIBUS-DP master / PtP (switchable)
PROFINET controller integrated
Also configurable via TIA-Portal
SPEED-Bus-

Technical data power supply
Power supply (rated value)DC 24 V
Power supply (permitted range)DC 20.4...28.8 V
Reverse polarity protection
Current consumption (no-load operation)270 mA
Current consumption (rated value)1.1 A
Inrush current6 A
I²t0.28 A²s
Max. current drain at backplane bus2.5 A
Max. current drain load supply-
Power loss8.5 W

Load and working memory
Load memory, integrated2 MB
Load memory, maximum2 MB
Work memory, integrated1 MB
Work memory, maximal2 MB
Memory divided in 50% program / 50% data
Memory card slotMMC-Card with max. 1 GB

Hardware configuration
Racks, max.4
Modules per rack, max.8 in multiple-, 32 in a single-rack configuration
Number of integrated DP master1
Number of DP master via CP4
Operable function modules8
Operable communication modules PtP8
Operable communication modules LAN8

Command processing times
Bit instructions, min.0.01 µs
Word instruction, min.0.01 µs
Double integer arithmetic, min.0.01 µs
Floating-point arithmetic, min.0.06 µs

Timers/Counters and their retentive characteristics
Number of S7 counters512
S7 counter remanenceadjustable 0 up to 512
S7 counter remanence adjustableC0 .. C7
Number of S7 times512
S7 times remanenceadjustable 0 up to 512
S7 times remanence adjustablenot retentive

Data range and retentive characteristic
Number of flags8192 Byte
Bit memories retentive characteristic adjustableadjustable 0 up to 8192
Bit memories retentive characteristic presetMB0 .. MB15
Number of data blocks4095
Max. data blocks size64 KB
Number range DBs1 ... 4095
Max. local data size per execution level3072 Byte
Max. local data size per block3072 Byte

Blocks
Number of OBs24
Maximum OB size64 KB
Total number DBs, FBs, FCs-
Number of FBs2048
Maximum FB size64 KB
Number range FBs0 ... 2047
Number of FCs2048
Maximum FC size64 KB
Number range FCs0 ... 2047
Maximum nesting depth per priority class8
Maximum nesting depth additional within an error OB4

Time
Real-time clock buffered
Clock buffered period (min.)6 w
Type of bufferingVanadium Rechargeable Lithium Battery
Load time for 50% buffering period20 h
Load time for 100% buffering period48 h
Accuracy (max. deviation per day)10 s
Number of operating hours counter8
Clock synchronization
Synchronization via MPIMaster/Slave
Synchronization via Ethernet (NTP)Slave

Address areas (I/O)
Input I/O address area2048 Byte
Output I/O address area2048 Byte
Process image adjustable
Input process image preset256 Byte
Output process image preset256 Byte
Input process image maximal2048 Byte
Output process image maximal2048 Byte
Digital inputs16384
Digital outputs16384
Digital inputs central1024
Digital outputs central1024
Integrated digital inputs-
Integrated digital outputs-
Analog inputs1024
Analog outputs1024
Analog inputs, central256
Analog outputs, central256
Integrated analog inputs-
Integrated analog outputs-

Communication functions
PG/OP channel
Global data communication
Number of GD circuits, max.8
Size of GD packets, max.22 Byte
S7 basic communication
S7 basic communication, user data per job76 Byte
S7 communication
S7 communication as server
S7 communication as client-
S7 communication, user data per job160 Byte
Number of connections, max.32

Functionality Sub-D interfaces
TypeX2
Type of interfaceRS485
ConnectorSub-D, 9-pin, female
Electrically isolated
MPI
MP²I (MPI/RS232)-
DP master-
DP slave-
Point-to-point interface-
5V DC Power supplymax. 90mA, isolated
24V DC Power supplymax. 100mA, non-isolated

TypeX3
Type of interfaceRS485
ConnectorSub-D, 9-pin, female
Electrically isolated
MPI-
MP²I (MPI/RS232)-
DP masteryes
DP slaveyes
Point-to-point interface
5V DC Power supplymax. 90mA, isolated
24V DC Power supplymax. 100mA, non-isolated

Functionality MPI
Number of connections, max.32
PG/OP channel
Routing
Global data communication
S7 basic communication
S7 communication
S7 communication as server
S7 communication as client-
Transmission speed, min.19.2 kbit/s
Transmission speed, max.12 Mbit/s

Functionality PROFIBUS master
PG/OP channel
Routing
S7 basic communication
S7 communication
S7 communication as server
S7 communication as client-
Activation/deactivation of DP slaves
Direct data exchange (slave-to-slave communication)-
DPV1
Transmission speed, min.9.6 kbit/s
Transmission speed, max.12 Mbit/s
Number of DP slaves, max.124
Address range inputs, max.8 KB
Address range outputs, max.8 KB
User data inputs per slave, max.244 Byte
User data outputs per slave, max.244 Byte

Functionality PROFIBUS slave
PG/OP channel
Routing
S7 communication
S7 communication as server
S7 communication as client-
Direct data exchange (slave-to-slave communication)-
DPV1
Transmission speed, min.9.6 kbit/s
Transmission speed, max.12 Mbit/s
Automatic detection of transmission speed-
Transfer memory inputs, max.244 Byte
Transfer memory outputs, max.244 Byte
Address areas, max.32
User data per address area, max.32 Byte

Point-to-point communication
PtP communication
Interface isolated
RS232 interface-
RS422 interface-
RS485 interface
ConnectorSub-D, 9-pin, female
Transmission speed, min.150 bit/s
Transmission speed, max.115.5 kbit/s
Cable length, max.500 m

Point-to-point protocol
ASCII protocol
STX/ETX protocol
3964(R) protocol
RK512 protocol-
USS master protocol
Modbus master protocol
Modbus slave protocol-
Special protocols-

Functionality PROFINET I/O controller
Realtime Class-
Conformance ClassPROFINET IO
Number of  PN IO devices128
IRT support-
Prioritized start-up-
Number of PN IO lines1
Address range inputs, max.2 KB
Address range outputs, max.2 KB
Transmiting clock1 ms
Update time1 ms .. 512 ms
Isochronous mode-

Functionality RJ45 interfaces
TypeX5
Type of interfaceEthernet 10/100 MBit
ConnectorRJ45
Electrically isolated
PG/OP channel
Number of connections, max.4
Productive connections-

TypeX8
Type of interfaceEthernet 10/100 MBit
ConnectorRJ45
Electrically isolated
PG/OP channel
Number of connections, max.8
Productive connections

Ethernet communication CP
Number of productive connections, max.8
Number of productive connections by Siemens NetPro, max.8
S7 connectionsBSEND, BRCV, GET, PUT, Connection of active and passive data handling
User data per S7 connection, max.32 KB
TCP-connectionsFETCH PASSIV, WRITE PASSIV, Connection of passive data handling
User data per TCP connection, max.64 KB
ISO-connections-
User data per ISO connection, max.-
ISO on TCP connections (RFC 1006)FETCH PASSIV, WRITE PASSIV, Connection of passive data handling
User data per ISO on TCP connection, max.32 KB
UDP-connections-
User data per UDP connection, max.-
UDP-multicast-connections-
UDP-broadcast-connections-

Ethernet open communication
Number of connections, max.8
User data per ISO on TCP connection, max.8 KB
User data per native TCP connection, max.8 KB
User data per ad hoc TCP connection, max.1460 Byte
User data per UDP connection, max.1472 Byte

Housing
MaterialPPE
MountingRail System 300

Mechanical data
Dimensions (WxHxD)80 mm x 125 mm x 120 mm
Weight430 g

Environmental conditions
Operating temperature0 °C to 60 °C
Storage temperature-25 °C to 70 °C

Certifications
UL certificationyes
KC certificationyes

Downloads

[Datasheet]
[Manual]
Rev. 14-29