6ES7 312-5BE03-0AB0

Product version

 

associated programming package

STEP 7 V5.3 SP2 or higher with HW update

Supply voltages

 

Rated value

 

  • permissible range, lower limit (DC)

20.4 V

external protection for supply cables (recommendation)

Miniature circuit breaker, type C; min. 2 A; miniature circuit breaker type B, min. 4 A

Current consumption

 

Current consumption (rated value)

500 mA

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

60 mA

Inrush current, typ.

11 A

I²t

0.7 A²·s

from supply voltage L+, max.

500 mA

Power losses

 

Power loss, typ.

6 W

Memory

 

Work memory

 

  • integrated

32 Kibyte; For program and data

  • expandable

No

Load memory

 

  • pluggable (MMC)

Yes

  • pluggable (MMC), max.

4 Mbyte

Backup

 

  • present

Yes; guaranteed by MMC (maintenance-free)

  • without battery

Yes; Program and data

CPU/ blocks

 

DB

 

  • Number, max.

511; Number range: 1 to 511

  • Size, max.

16 Kibyte

FB

 

  • Number, max.

1 024; Sequence of numbers:  0 to 2047

  • Size, max.

16 Kibyte

FC

 

  • Number, max.

1 024; Sequence of numbers:  0 to 2047

  • Size, max.

16 Kibyte

OB

 

  • Size, max.

16 Kibyte

Nesting depth

 

  • per priority class

8

  • additional within an error OB

4

CPU processing times

 

for bit operations, min.

0.2 µs

for word operations, min.

0.4 µs

for fixed point arithmetic, min.

5 µs

for floating point arithmetic, min.

6 µs

Counters, timers and their retentivity

 

S7 counter

 

  • Number

128

  • of which retentive without battery

 

    • can be set

Yes

    • lower limit

0

    • upper limit

127

  • Retentivity

 

    • can be set

Yes

    • lower limit

0

    • upper limit

127

  • Counting range

 

    • lower limit

0

    • upper limit

999

IEC counter

 

  • present

Yes

  • Type

SFB

S7 times

 

  • Number

128

  • Retentivity

 

    • can be set

Yes

    • lower limit

0

    • upper limit

127

    • preset

no retentivity

  • Time range

 

    • lower limit

10 ms

    • upper limit

9 990 s

IEC timer

 

  • present

Yes

  • Type

SFB

Data areas and their retentivity

 

Flag

 

  • Number, max.

128 byte

  • Retentivity available

Yes; MB 0 to MB 127

  • Number of clock memories

8; 1 memory byte

Data blocks

 

  • Number, max.

511; from DB1 to DB511

  • Size, max.

16 Kibyte

  • Retentivity adjustable

Yes; via non-retain property on DB

  • Retentivity preset

yes

Local data

 

  • per priority class, max.

256 byte

Address area

 

I/O address area

 

  • overall

1 Kibyte

  • Outputs

1 Kibyte

Process image

 

  • Inputs

128 byte

  • Outputs

128 byte

Digital channels

 

  • Inputs

266

  • Outputs

262

  • Inputs, of which central

266

  • Outputs, of which central

262

Analog channels

 

  • Inputs

64

  • Outputs

64

  • Inputs, of which central

64

  • Outputs, of which central

64

Hardware configuration

 

Central devices, max.

1

Expansion devices, max.

0

Racks, max.

1

Modules per rack, max.

8

Number of DP masters

 

  • integrated

none

  • via CP

4

Number of operable FMs and CPs (recommended)

 

  • FM

8

  • CP, point-to-point

8

  • CP, LAN

4

Time of day

 

Clock

 

  • Software clock

Yes

  • battery-backed and synchronizable

No

  • Deviation per day, max.

15 s

Runtime meter

 

  • Number

1

  • Number/Number range

0

  • 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

  • in AS, master

Yes

S7 message functions

 

Number of login stations for message functions, max.

6; Depending on the connections configured for PG/OP and S7 basic communication

Process diagnostic messages

Yes

simultaneously active Alarm-S blocks, max.

20

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

Status block

Yes

Single step

Yes

Number of breakpoints

2

Diagnostic buffer

 

  • present

Yes

  • Number of entries, max.

100

Communication functions

 

PG/OP communication

Yes

Routing

No

Global data communication

 

  • supported

Yes

  • Size of GD packets, max.

22 byte

S7 basic communication

 

  • supported

Yes

S7 communication

 

  • supported

Yes

S5-compatible communication

 

  • supported

Yes; via CP and loadable FC

Number of connections

 

  • overall

6

  • usable for PG communication

5

  • usable for OP communication

5

  • usable for S7 basic communication

2

  • usable for routing

No

Connection method

 

required front connector

1x 40-pin

MPI

 

Cable length, max.

50 m; without repeater

1st interface

 

Type of interface

Integrated RS 485 interface

Physics

RS 485

Isolated

No

Power supply to interface (15 to 30 V DC), max.

200 mA

Functionality

 

  • MPI

Yes

  • DP master

No

  • DP slave

No

  • Point-to-point connection

No

MPI

 

  • Number of connections

6

  • Services

 

    • PG/OP communication

Yes

    • Routing

No

    • Global data communication

Yes

    • S7 basic communication

Yes

    • S7 communication

Yes

    • S7 communication, as client

No

    • S7 communication, as server

Yes

  • Transmission rate, max.

187.5 kbit/s

CPU/ programming

 

Programming language

 

  • STEP 7

Yes; V5.3 SP2 with HW update

  • LAD

Yes

  • FBD

Yes

  • STL

Yes

  • SCL

Yes

  • GRAPH

Yes

  • HiGraph®

Yes

Command set

see instruction list

Nesting levels

8

Know-how protection

 

  • User program protection/password protection

Yes

System functions (SFC)

see instruction list

System function blocks (SFB)

see instruction list

Digital inputs

 

Number of digital inputs

10

  • of which, inputs usable for technological functions

8

Number of simultaneously controllable inputs

 

  • horizontal installation

 

    • up to 40 °C, max.

10

    • up to 60 °C, max.

5

  • vertical installation

 

    • up to 40 °C, max.

5

  • Technological functions

 

    • shielded, max.

100 m

    • unshielded, max.

not allowed

  • Standard DI

 

    • shielded, max.

1 000 m

    • unshielded, max.

600 m

Input characteristic curve acc. to IEC 1131, Type 1

Yes

Input voltage

 

  • Rated value, DC

24 V

  • for signal "0"

-3 to +5 V

  • for signal "1"

15 to 30 V

Input current

 

  • for signal "1", typ.

9 mA

Input delay (for rated value of input voltage)

 

  • for standard inputs

 

    • parameterizable

Yes; 0.1 / 0.3 / 3 / 15 ms

    • Rated value

3 ms

  • for counter/technological functions

 

    • at "0" to "1", max.

48 µs

Cable length

 

  • Cable length, shielded, max.

1 000 m; 100 m for technological functions

  • Cable length unshielded, max.

600 m; For technological functions: No

Digital outputs

 

Number of digital outputs

6

  • of which high-speed outputs

2

Short-circuit protection

Yes; Clocked electronically

  • Response threshold, typ.

1 A

Limitation of inductive shutdown voltage to

L+ (-48 V)

Lamp load, max.

5 W

Controlling a digital input

Yes

Output voltage

 

  • for signal "1", min.

L+ (-0.8 V)

Output current

 

  • for signal "1" rated value

500 mA

  • for signal "1" permissible range, min.

5 mA

  • for signal "1" permissible range, max.

0.6 A

  • for signal "1" minimum load current

5 mA

  • for signal "0" residual current, max.

0.5 mA

Parallel switching of 2 outputs

 

  • for increased power

No

  • for redundant control of a load

Yes

Switching frequency

 

  • with resistive load, max.

100 Hz

  • with inductive load, max.

0.5 Hz

  • on lamp load, max.

100 Hz

  • of the pulse outputs, with resistive load, max.

2.5 kHz

Aggregate current of outputs (per group)

 

  • horizontal installation

 

    • up to 40 °C, max.

2 A

    • up to 60 °C, max.

1.5 A

  • vertical installation

 

    • up to 40 °C, max.

1.5 A

Load resistance range

 

  • lower limit

48 Ω

  • upper limit

4 kΩ

Cable length

 

  • Cable length, shielded, max.

1 000 m

  • Cable length unshielded, max.

600 m

Encoder

 

Connectable encoders

 

  • 2-wire BEROS

Yes

    • permissible quiescent current (2-wire BEROS), max.

1.5 mA

Integrated Functions

 

Number of counters

2; 2 channels (see "Technological Functions" manual)

Counter frequency (counter) max.

10 kHz

Frequency measurement

Yes

controlled positioning

No

PID controller

No

Number of pulse outputs

2; 2 channels pulse width modulation up to 2.5 kHz (see Manual "Technological Functions")

Limit frequency (pulse)

2.5 kHz

Galvanic isolation

 

Galvanic isolation digital inputs

 

  • Galvanic isolation digital inputs

Yes

  • between the channels

No

  • between the channels and the backplane bus

Yes

Galvanic isolation digital outputs

 

  • Galvanic isolation digital outputs

Yes

  • between the channels

No

  • between the channels and the backplane bus

Yes

Dimensions and weight

 

Dimensions

 

  • Width

80 mm

  • Height

125 mm

  • Depth

130 mm

Weight

 

  • Weight, approx.

409 g