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Siemens 6AG1312-5BF04-7AB0

Replacement only, no repair. CPU 312C based on 6ES7312-5BF04-0AB0 with conformal coating, -25…+70 °C, compact CPU with MPI, 10 DI/6 DO, 2 high-speed counters (10 kHz) integrated power supply 24 V DC, work memory 64 KB, front connector (1x 40-pole) and Micro Memory Card required

SiemensMFR # 6AG1312-5BF04-7AB0SKU # CEY-8EF3B038873F

Product type designationCPU 312C

based on6ES7312-5BF04-0AB0

Rated value (DC)24 V

permissible range, lower limit (DC)19.2 V

permissible range, upper limit (DC)28.8 V

Mains/voltage failure stored energy time5 ms

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About This Product

Siemens 6AG1312-5BF04-7AB0

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Specifications

General information

Product type designationCPU 312C

based on6ES7312-5BF04-0AB0

Engineering with

Programming packageSTEP 7 V5.5 + SP1 or higher or STEP 7 V5.3 + SP2 or higher with HSP 203

Supply voltage

Rated value (DC)24 V

permissible range, lower limit (DC)19.2 V

permissible range, upper limit (DC)28.8 V

external protection for power supply lines (recommendation)Miniature circuit breaker, type C; min. 2 A; miniature circuit breaker type B, min. 4 A

Mains buffering

Mains/voltage failure stored energy time5 ms

Repeat rate, min.1 s

Digital outputs

— Rated value (DC)24 V

— Reverse polarity protectionNo

Input current

Current consumption (rated value)570 mA

Current consumption (in no-load operation), typ.90 mA

Inrush current, typ.5 A

I²t0.7 A²·s

Digital outputs

from load voltage L+, max.25 mA

Power loss

Power loss, typ.8 W

Work memory

integrated64 kbyte

expandableNo

Load memory

Plug-in (MMC)Yes

Plug-in (MMC), max.8 Mbyte

Data management on MMC (after last programming), min.10 a

Backup

presentYes; Guaranteed by MMC (maintenance-free)

without batteryYes; Program and data

CPU processing times

for bit operations, typ.0.1 µs

for word operations, typ.0.24 µs

for fixed point arithmetic, typ.0.32 µs

for floating point arithmetic, typ.1.1 µs

CPU-blocks

Number of elements (total)1 024; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used.

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

Size, max.64 kbyte

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

Size, max.64 kbyte

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

Size, max.64 kbyte

Number, max.see instruction list

Size, max.64 kbyte

Number of free cycle OBs1; OB 1

Number of time alarm OBs1; OB 10

Number of delay alarm OBs2; OB 20, 21

Number of cyclic interrupt OBs4; OB 32, 33, 34, 35

Number of process alarm OBs1; OB 40

Number of startup OBs1; OB 100

Number of asynchronous error OBs4; OB 80, 82, 85, 87

Number of synchronous error OBs2; OB 121, 122

Nesting depth

per priority class16

additional within an error OB4

S7 counter

Number256

Retentivity

— adjustableYes

— presetZ 0 to Z 7

Counting range

— lower limit0

— upper limit999

IEC counter

presentYes

TypeSFB

NumberUnlimited (limited only by RAM capacity)

S7 timer

Number256

Retentivity

— adjustableYes

— presetNo retentivity

Time range

— lower limit10 ms

— upper limit9 990 s

IEC timer

presentYes

TypeSFB

NumberUnlimited (limited only by RAM capacity)

Data areas and their retentivity

Retentive data area (incl. timers, counters, flags), max.64 kbyte

Flag

Size, max.256 byte

Retentivity availableYes; MB 0 to MB 255

Retentivity presetMB 0 to MB 15

Number of clock memories8; 1 memory byte

Data blocks

Retentivity adjustableYes; via non-retain property on DB

Retentivity presetYes

Local data

per priority class, max.32 kbyte; Max. 2048 bytes per block

I/O address area

Inputs1 024 byte

Outputs1 024 byte

of which distributed

— Inputsnone

— Outputsnone

Process image

Inputs1 024 byte

Outputs1 024 byte

Inputs, adjustable1 024 byte

Outputs, adjustable1 024 byte

Inputs, default128 byte

Outputs, default128 byte

Digital channels

Inputs266

— of which central266

Outputs262

— of which central262

Analog channels

Inputs64

— of which central64

Outputs64

— of which central64

Hardware configuration

Number of expansion units, max.0

Number of DP masters

integratednone

via CP4

Number of operable FMs and CPs (recommended)

FM8

CP, PtP8

CP, LAN4

Rack

Racks, max.1

Modules per rack, max.8

Clock

Software clockYes

retentive and synchronizableNo; Buffered: No, Can be synchronized: Yes

Deviation per day, max.10 s; Typ.: 2 s

Behavior of the clock following POWER-ONthe clock continues at the time of day it had when power was switched off

Operating hours counter

Number1

Number/Number range0

Range of values0 to 2^31 hours (when using SFC 101)

Granularity1 h

retentiveYes; Must be restarted at each restart

Clock synchronization

supportedYes

to MPI, masterYes

on MPI, deviceYes

in AS, masterYes

in AS, deviceNo

Digital inputs

Number of digital inputs10

of which inputs usable for technological functions8

integrated channels (DI)10

Input characteristic curve in accordance with IEC 61131, type 1Yes

horizontal installation

— up to 40 °C, max.10

— up to 60 °C, max.5; up to 70 °C

vertical installation

— up to 40 °C, max.5

Input voltage

Rated value (DC)24 V

for signal "0"-3 to +5V

for signal "1"+15 to +30 V

Input current

for signal "1", typ.8 mA

for standard inputs

— ParameterizableYes; 0.1 / 0.3 / 3 / 15 ms (You can reconfigure the input delay of the standard inputs during program runtime. Please note that under certain circumstances your newly set filter time may not be effective until the next filter cycle.)

— Rated value3 ms

for technological functions

— at "0" to "1", max.48 µs; Minimum pulse width/minimum pause between pulses at maximum counting frequency

Cable length

shielded, max.1 000 m; 100 m for technological functions

unshielded, max.600 m; for technological functions: No

for technological functions

— shielded, max.100 m; at maximum count frequency

— unshielded, max.not allowed

Digital outputs

Number of digital outputs6

of which high-speed outputs2; Notice: You cannot connect the fast outputs of your CPU in parallel

integrated channels (DO)6

Short-circuit protectionYes; Clocked electronically

Response threshold, typ.1 A

Limitation of inductive shutdown voltage toL+ (-48 V)

Controlling a digital inputYes

Switching capacity of the outputs

on lamp load, max.5 W

Load resistance range

lower limit48 Ω

upper limit4 kΩ

Output voltage

for signal "1", min.L+ (-0.8 V)

Output current

for signal "1" rated value500 mA

for signal "1" permissible range, min.5 mA

for signal "1" permissible range, max.0.6 A

for signal "1" minimum load current5 mA

for signal "0" residual current, max.0.5 mA

Parallel switching of two outputs

for upratingNo

for redundant control of a loadYes

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

horizontal installation

— up to 40 °C, max.2 A

— up to 60 °C, max.1.5 A; up to 70 °C

vertical installation

— up to 40 °C, max.1.5 A

Cable length

shielded, max.1 000 m

unshielded, max.600 m

Analog inputs

Number of analog inputs0

integrated channels (AI)0

Analog outputs

integrated channels (AO)0

Connectable encoders

2-wire sensorYes

— permissible quiescent current (2-wire sensor), max.1.5 mA

Interfaces

Number of PROFINET interfaces0

Number of RS 485 interfaces1; MPI

Number of RS 422 interfaces0

1. Interface

Interface typeIntegrated RS 485 interface

IsolatedNo

Interface types

RS 485Yes

Output current of the interface, max.200 mA

Protocols

MPIYes

PROFIBUS DP masterNo

PROFIBUS DP deviceNo

Point-to-point connectionNo

MPI

Transmission rate, max.187.5 kbit/s

Services

— PG/OP communicationYes

— RoutingNo

— Global data communicationYes

— S7 basic communicationYes

— S7 communicationYes; Only server, configured on one side

— S7 communication, as clientNo; but via CP and loadable FB

— S7 communication, as serverYes

Protocols

PROFIsafeNo

Communication functions

PG/OP communicationYes

Data record routingNo

Global data communication

supportedYes

Number of GD loops, max.8

Number of GD packets, max.8

Number of GD packets, transmitter, max.8

Number of GD packets, receiver, max.8

Size of GD packets, max.22 byte

Size of GD packet (of which consistent), max.22 byte

S7 basic communication

supportedYes

User data per job, max.76 byte

User data per job (of which consistent), max.76 byte; 76 bytes (with X_SEND or X_RCV); 64 bytes (with X_PUT or X_GET as server)

S7 communication

supportedYes

as serverYes

as clientYes; Via CP and loadable FB

User data per job, max.180 byte; (with PUT/GET)

User data per job (of which consistent), max.240 byte; as server

S5 compatible communication

supportedYes; via CP and loadable FC

Number of connections

overall6

usable for PG communication5

— reserved for PG communication1

— adjustable for PG communication, min.1

— adjustable for PG communication, max.5

usable for OP communication5

— reserved for OP communication1

— adjustable for OP communication, min.1

— adjustable for OP communication, max.5

usable for S7 basic communication2

— reserved for S7 basic communication0

— adjustable for S7 basic communication, min.0

— adjustable for S7 basic communication, max.2

S7 message functions

Number of login stations for message functions, max.6; Depending on the configured connections for PG/OP and S7 basic communication

Process diagnostic messagesYes

simultaneously active Alarm_S blocks, max.300

Test commissioning functions

Status blockYes; Up to 2 simultaneously

Single stepYes

Number of breakpoints4

Status/control

Status/control variableYes

VariablesInputs, outputs, memory bits, DB, times, counters

Number of variables, max.30

— of which status variables, max.30

— of which control variables, max.14

Forcing

ForcingYes

Forcing, variablesInputs, outputs

Number of variables, max.10

Diagnostic buffer

presentYes

Number of entries, max.500

— can be setNo

— of which powerfail-proof100; Only the last 100 entries are retained

Number of entries readable in RUN, max.499

— can be setYes; From 10 to 499

— preset10

Service data

Can be read outYes

Diagnostics indication LED

Status indicator digital input (green)Yes

Status indicator digital output (green)Yes

Integrated Functions

Number of counters2; See "Technological Functions" manual

Counting frequency, max.10 kHz

Frequency measurementYes

Number of frequency meters2; up to 10 kHz (see "Technological Functions" manual)

controlled positioningNo

integrated function blocks (closed-loop control)No

PID controllerNo

Number of pulse outputs2; Pulse width modulation up to 2.5 kHz (see "Technological Functions" Manual)

Limit frequency (pulse)2.5 kHz

Potential separation digital inputs

Potential separation digital inputsYes

between the channelsNo

between the channels and backplane busYes

Potential separation digital outputs

Potential separation digital outputsYes

between the channelsNo

between the channels and backplane busYes

Isolation

Isolation tested with600 V DC

Standards, approvals, certificates

CE markYes

UL approvalYes

RCM (formerly C-TICK)Yes

KC approvalYes

EAC (formerly Gost-R)Yes

Use in hazardous areas

ATEX markingYes

Ambient temperature during operation

min.-25 °C; = Tmin

max.70 °C; = Tmax; 60 °C @ UL/cUL, ATEX and FM use

Ambient temperature during storage/transportation

min.-40 °C

max.70 °C

Altitude during operation relating to sea level

Installation altitude above sea level, max.5 000 m

Ambient air temperature-barometric pressure-altitudeTmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)

Relative humidity

With condensation, tested in accordance with IEC 60068-2-38, max.100 %; RH incl. condensation/frost (no commissioning under condensation conditions)

Use in stationary industrial systems

— to biologically active substances according to EN 60721-3-3Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request

— to chemically active substances according to EN 60721-3-3Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *

— to mechanically active substances according to EN 60721-3-3Yes; Class 3S4 incl. sand, dust, *

Use on ships/at sea

— to biologically active substances according to EN 60721-3-6Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request

— to chemically active substances according to EN 60721-3-6Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *

— to mechanically active substances according to EN 60721-3-6Yes; Class 6S3 incl. sand, dust; *

Usage in industrial process technology

— Against chemically active substances acc. to EN 60654-4Yes; Class 3 (excluding trichlorethylene)

— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)

Remark

— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04* The supplied plug covers must remain in place over the unused interfaces during operation!

Configuration software

STEP 7Yes; STEP 7 V5.5 + SP1 or higher or STEP 7 V5.3 + SP2 or higher with HSP 203

STEP 7 LiteNo

Programming

Command setsee instruction list

Nesting levels8

System functions (SFC)see instruction list

System function blocks (SFB)see instruction list

Programming language

— LADYes

— FBDYes

— STLYes

— SCLYes

— GRAPHYes

— HiGraph®Yes

Know-how protection

User program protection/password protectionYes

Block encryptionYes; With S7 block Privacy

Dimensions

Width80 mm

Height125 mm

Depth130 mm

Weights

Weight, approx.410 g

Accessories 7

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