S7-300CPU314C-2PN/DP

General information

Engineering with

• ● Programming package

STEP7 V5.5 or higher with HSP191

Supply voltage

Rated value (DC)

• ● 24 V DC

Yes

Power loss

Power loss, typ.

14 W

Memory

Work memory

• ● integrated

192 kbyte

• ● Size of retentive memory for retentive data blocks

64 kbyte

Load memory

• ● Plug-in (MMC), max.

8 Mbyte

CPU processing times

for bit operations, typ.

0.06 µs

for word operations, typ.

0.12 µs

for fixed point arithmetic, typ.

0.16 µs

for floating point arithmetic, typ.

0.59 µs

Counters, timers and their retentivity

S7 counter

• ● Number

256

IEC counter

• ● present

Yes

S7 times

• ● Number

256

IEC timer

• ● present

Yes

Data areas and their retentivity

Flag

• ● Number, max.

256 byte

Address area

I/O address area

• ● Inputs

2 048 byte

• ● Outputs

2 048 byte

Process image

• ● Inputs, adjustable

2 048 byte

• ● Outputs, adjustable

2 048 byte

Time of day

Clock

• ● Hardware clock (real-time clock)

Yes

Operating hours counter

• ● Number

1

Digital inputs

integrated channels (DI)

24

Digital outputs

integrated channels (DO)

16

Analog inputs

integrated channels (AI)

5; 4 x current/voltage, 1 x resistance

Input ranges

• ● Voltage

Yes; ±10 V / 100 kΩ; 0 V to 10 V / 100 kΩ

• ● Current

Yes; ±20 mA / 100 Ω; 0 mA to 20 mA / 100 Ω; 4 mA to 20 mA / 100 Ω

• ● Resistance thermometer

Yes; Pt 100 / 10 MΩ

• ● Resistance

Yes; 0 Ω to 600 Ω / 10 MΩ

Analog outputs

integrated channels (AO)

2

Output ranges, voltage

• ● 0 to 10 V

Yes

• ● -10 V to +10 V

Yes

Output ranges, current

• ● 0 to 20 mA

Yes

• ● -20 mA to +20 mA

Yes

• ● 4 mA to 20 mA

Yes

1. Interface

Interface type

Integrated RS 485 interface

Physics

RS 485

Functionality

• ● MPI

Yes

• ● DP master

Yes

• ● DP slave

Yes

• ● Point-to-point connection

No

DP master

• ● Number of DP slaves, max.

124

2. Interface

Interface type

PROFINET

Physics

Ethernet RJ45

Interface types

• ● Number of ports

2

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

• ● PROFINET CBA

Yes

Isochronous mode

Isochronous operation (application synchronized up to terminal)

Yes; For PROFINET only

Communication functions

PG/OP communication

Yes

Data record routing

Yes

Global data communication

• ● supported

Yes

S7 basic communication

• ● supported

Yes

S7 communication

• ● supported

Yes

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.

8

• ● ISO-on-TCP (RFC1006)

Yes; via integrated PROFINET interface and loadable FBs

• — Number of connections, max.

8

• ● UDP

Yes; via integrated PROFINET interface and loadable FBs

• — Number of connections, max.

8

Web server

• ● supported

Yes

Number of connections

• ● overall

12

Integrated Functions

Number of counters

4; See "Technological Functions" manual

Counting frequency (counter) max.

60 kHz

Frequency measurement

Yes

Number of frequency meters

4; up to 60 kHz (see "Technological Functions" manual)

controlled positioning

Yes

integrated function blocks (closed-loop control)

Yes; PID controller (see "Technological Functions" manual)

PID controller

Yes

Number of pulse outputs

4; Pulse width modulation up to 2.5 kHz (see "Technological Functions" Manual)

Limit frequency (pulse)

2.5 kHz

Ambient conditions

Ambient temperature during operation

• ● min.

0 °C

• ● max.

60 °C

Configuration

Programming

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.

730 g