Siemens CPU 315-2 DP Leaflet

42

Technical data: Standard CPUs    

 = Product innovations

1)

 As SIPLUS extreme component also for extended temperature range -25 ... +60/+70 °C and corrosive atmosphere/condensation 

   (for further details, see page 98 or www.siemens.com/siplus-extreme)

2)

 For explanation, see page 56 bottom right 

*)

 Via SFB, number unlimited or limited by main memory

Dimensions (mm)

40 x 125 x 130 40 x 125 x 130 40

x 125 x 130 40 x 125 x 130 40 x 125 x 130  40 x 125 x 130 120 x 125 x 130

Order No. group: 6ES7

312-1AE.

314-1AG.

315-2AH.

315-2EH.

317-2AK.

317-2EK.

318-3EL.

Firmware

V3.0

V3.2

V3.3 

V3.2

V3.2

Memory
Work memory

32 KB

128 KB

256 KB

384 KB 

1 MB 

1 MB

2 MB

Instructions

10 K

42 K

85 K

128 K 

340 K

340 K

680 K

Processing times
Bit operation

0.1 µs

0.06 µs

0.05 µs

0.025 µs 

0.025 µs

0.004 µs

Word operation

0.24 µs

0.12 µs

0.09 µs

0.03 µs 

0.03 µs

0.01 µs

Fixed-point operation

0.32 µs

0.16 µs

0.12 µs

0.04 µs 

0.04 µs

0.01 µs

Floating-point operation

1.1 µs

0.59 µs

0.45 µs

0.16 µs 

0.16 µs

0.04 µs

Bit memories/timers/counters
Bit memory

256 bytes

2 048 bytes

4 096 bytes

8 192 bytes

S7 timers/counters

256 / 256

512 / 512

2 048 / 2 048

IEC timers/counters

●

Address ranges
Number of I/Os (bytes)

1 024 / 1 024 

2 048 / 2 048 

8 192 / 8 192 

Process image I/O (bytes), max.

1 024 / 1 024 

2 048 / 2 048 

8 192 / 8 192

Digital channels (central)

256

1 024

Analog channels (central)

64

256

DP interfaces
DP master systems internal / 

CP 342-5

-

 / 

●

●

 /

 

●

DP slaves

●

Data set gateway

2)

 

●

●

●

●

PROFINET interface
PROFINET CBA

●

●

PROFINET IO

●

●

PROFINET with IRT

●

3)

●

3)

• TCP/IP

●

●

• UDP

●

●

• ISO-on-TCP (RFC 1006)

●

●

Web server

●

●

N

N

N

N

N

N
N
N

SIMATIC_Controller_032011_en.book  Seite 42  Montag, 4. April 2011  2:35 14

© Siemens AG 2011