CPU 6ES7315-2EH14-0AB0

General information

HW functional status 01

Firmware version V3.2

Product function

● Isochronous mode Yes; Via PROFIBUS DP or PROFINET interface

Engineering with

● Programming package STEP 7 V5.5 or higher

Supply voltage

Rated value (DC) 24 V

permissible range, lower limit (DC) 20.4 V

permissible range, upper limit (DC) 28.8 V

external protection for power supply lines

(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) 750 mA

Current consumption (in no-load operation), typ. 150 mA

Inrush current, typ. 4 A

I²t 1 A²·s

Power loss

Power loss, typ. 4.65 W

Memory

Work memory

● integrated 384 kbyte

● expandable No

Load memory

● Plug-in (MMC) Yes

● Plug-in (MMC), max. 8 Mbyte

● Data management on MMC (after last

programming), min.

10 y

Backup

● present Yes; Guaranteed by MMC (maintenance-free)

● without battery Yes; Program and data

CPU processing times

for bit operations, typ. 0.05 µs

for word operations, typ. 0.09 µs

for fixed point arithmetic, typ. 0.12 µs

for floating point arithmetic, typ. 0.45 µs

CPU-blocks

Number of blocks (total) 1 024; (DBs, FCs, FBs); the maximum number of loadable blocks can

be reduced by the MMC used.

DB

● Number, max. 1 024; Number range: 1 to 16000

● Size, max. 64 kbyte

FB

● Number, max. 1 024; Number range: 0 to 7999

● Size, max. 64 kbyte

FC

● Number, max. 1 024; Number range: 0 to 7999

● Size, max. 64 kbyte

OB

● Size, max. 64 kbyte

● 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 cyclic interrupt OBs 4; OB 32, 33, 34, 35

● Number of process alarm OBs 1; OB 40

● Number of DPV1 alarm OBs 3; OB 55, 56, 57

● Number of 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 256

Retentivity

— adjustable Yes

— lower limit 0

— upper limit 255

— 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 256

Retentivity

— adjustable Yes

— lower limit 0

— upper limit 255

— preset No retentivity

Time range

— lower limit 10 ms

— upper limit 9 990 s

IEC timer

● present Yes

● Type SFB

● Number Unlimited (limited only by RAM capacity)