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Siemens 6ES7314-6BH04-0AB0

***spare part*** SIMATIC S7-300, CPU 314C-2 PTP compact CPU with MPI, 24 DI/16 DO, 4 AI, 2 AO, 1 Pt100, 4 high-speed counters (60 kHz), integrated interface RS485, integrated power supply 24 V DC, work memory 192 KB, front connector (2x 40-pole) and Micro Memory Card required

SiemensMFR # 6ES7314-6BH04-0AB0SKU # CEY-937FC77F5CC7

Product type designationCPU 314C-2 PtP

HW functional status01

Firmware versionV3.3

Rated value (DC)24 V

permissible range, lower limit (DC)19.2 V

permissible range, upper limit (DC)28.8 V

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About This Product

Siemens 6ES7314-6BH04-0AB0

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Specifications

General information

Product type designationCPU 314C-2 PtP

HW functional status01

Firmware versionV3.3

Engineering with

Programming packageSTEP 7 as of V5.5 + SP1 or STEP 7 V5.3 + SP2 or higher with HSP 204

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 inputs

— Rated value (DC)24 V

— Reverse polarity protectionYes

Digital outputs

— Rated value (DC)24 V

— Reverse polarity protectionNo

Input current

Current consumption (rated value)660 mA

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

Inrush current, typ.5 A

I²t0.7 A²·s

Digital inputs

from load voltage L+ (without load), max.80 mA

Digital outputs

from load voltage L+, max.50 mA

Power loss

Power loss, typ.13 W

Work memory

integrated192 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.0.06 µs

for word operations, typ.0.12 µs

for fixed point arithmetic, typ.0.16 µs

for floating point arithmetic, typ.0.59 µs

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

Inputs1 016

— of which central1 016

Outputs1 008

— of which central1 008

Analog channels

Inputs253

— of which central253

Outputs250

— of which central250

Hardware configuration

Number of expansion units, max.3

Number of DP masters

integratednone

via CP4

Number of operable FMs and CPs (recommended)

FM8

CP, PtP8

CP, LAN10

Rack

Racks, max.4

Modules per rack, max.8; In rack 3 max. 7

Clock

Hardware clock (real-time)Yes

retentive and synchronizableYes

Backup time6 wk; At 40 °C ambient temperature

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

Behavior of the clock following POWER-ONClock continues running after POWER OFF

Behavior of the clock following expiry of backup periodthe 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 inputs24

of which inputs usable for technological functions16

integrated channels (DI)24

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

horizontal installation

— up to 40 °C, max.24

— up to 60 °C, max.12

vertical installation

— up to 40 °C, max.12

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.8 µs; Minimum pulse width/minimum pause between pulses at maximum counting frequency

Cable length

shielded, max.1 000 m; 50 m for technological functions

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

for technological functions

— shielded, max.50 m; at maximum count frequency

— unshielded, max.not allowed

Digital outputs

Number of digital outputs16

of which high-speed outputs4; Notice: You cannot connect the fast outputs of your CPU in parallel

integrated channels (DO)16

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.3 A

— up to 60 °C, max.2 A

vertical installation

— up to 40 °C, max.2 A

Cable length

shielded, max.1 000 m

unshielded, max.600 m

Analog inputs

Number of analog inputs5

For voltage/current measurement4

For resistance/resistance thermometer measurement1

integrated channels (AI)5; 4x current/voltage, 1x resistance

permissible input voltage for current input (destruction limit), max.5 V; Permanent

permissible input voltage for voltage input (destruction limit), max.30 V; Permanent

permissible input current for voltage input (destruction limit), max.0.5 mA; Permanent

permissible input current for current input (destruction limit), max.50 mA; Permanent

Electrical input frequency, max.400 Hz

No-load voltage for resistance-type transmitter, typ.3.3 V

Constant measurement current for resistance-type transmitter, typ.1.25 mA

Technical unit for temperature measurement adjustableYes; Degrees Celsius / degrees Fahrenheit / Kelvin

Input ranges

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

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

Resistance thermometerYes; Pt 100 / 10 MΩ

ResistanceYes; 0 Ω to 600 Ω / 10 MΩ

Input ranges (rated values), voltages

0 to +10 VYes

— Input resistance (0 to 10 V)100 kΩ

Input ranges (rated values), currents

0 to 20 mAYes

— Input resistance (0 to 20 mA)100 Ω

-20 mA to +20 mAYes

— Input resistance (-20 mA to +20 mA)100 Ω

4 mA to 20 mAYes

— Input resistance (4 mA to 20 mA)100 Ω

Input ranges (rated values), resistance thermometer

Pt 100Yes

— Input resistance (Pt 100)10 MΩ

Input ranges (rated values), resistors

0 to 600 ohmsYes

— Input resistance (0 to 600 ohms)10 MΩ

Temperature compensation

— ParameterizableNo

Characteristic linearization

ParameterizableYes; by software

— for resistance thermometerPt 100

Cable length

shielded, max.100 m

Analog outputs

integrated channels (AO)2

Voltage output, short-circuit protectionYes

Voltage output, short-circuit current, max.55 mA

Current output, no-load voltage, max.14 V

Output ranges, voltage

0 to 10 VYes

-10 V to +10 VYes

Output ranges, current

0 to 20 mAYes

-20 mA to +20 mAYes

4 mA to 20 mAYes

Connection of actuators

for voltage output two-wire connectionYes; Without compensation of the line resistances

for voltage output four-wire connectionNo

for current output two-wire connectionYes

Load impedance (in rated range of output)

with voltage outputs, min.1 kΩ

with voltage outputs, capacitive load, max.0.1 µF

with current outputs, max.300 Ω

with current outputs, inductive load, max.0.1 mH

Destruction limits against externally applied voltages and currents

Voltages at the outputs towards MANA16 V; Permanent

Current, max.50 mA; Permanent

Cable length

shielded, max.200 m

Analog value generation for the inputs

Measurement principleActual value encryption (successive approximation)

Integration and conversion time/resolution per channel

Resolution with overrange (bit including sign), max.12 bit

Integration time, parameterizableYes; 16.6 / 20 ms

Interference voltage suppression for interference frequency f1 in Hz50 / 60 Hz

Time constant of the input filter0.38 ms

Basic execution time of the module (all channels released)1 ms

Resolution with overrange (bit including sign), max.12 bit

Conversion time (per channel)1 ms

Settling time

for resistive load0.6 ms

for capacitive load1 ms

for inductive load0.5 ms

Connection of signal encoders

for voltage measurementYes

for current measurement as 2-wire transducerYes; with external supply

for current measurement as 4-wire transducerYes

for resistance measurement with two-wire connectionYes; Without compensation of the line resistances

for resistance measurement with three-wire connectionNo

for resistance measurement with four-wire connectionNo

Connectable encoders

2-wire sensorYes

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

Errors/accuracies

Temperature error (relative to input range), (+/-)0.006 %/K

Crosstalk between the inputs, min.60 dB

Repeat accuracy in steady state at 25 °C (relative to input range), (+/-)0.06 %

Output ripple (relative to output range, bandwidth 0 to 50 kHz), (+/-)0.1 %

Linearity error (relative to output range), (+/-)0.15 %

Temperature error (relative to output range), (+/-)0.01 %/K

Crosstalk between the outputs, min.60 dB

Repeat accuracy in steady state at 25 °C (relative to output range), (+/-)0.06 %

Operational error limit in overall temperature range

Voltage, relative to input range, (+/-)1 %

Current, relative to input range, (+/-)1 %

Resistance, relative to input range, (+/-)1 %

Voltage, relative to output range, (+/-)1 %

Current, relative to output range, (+/-)1 %

Basic error limit (operational limit at 25 °C)

Voltage, relative to input range, (+/-)0.8 %; Linearity error ±0.06 %

Current, relative to input range, (+/-)0.8 %; Linearity error ±0.06 %

Resistance, relative to input range, (+/-)0.8 %; Linearity error ±0.2 %

Resistance thermometer, relative to input range, (+/-)0.8 %

Voltage, relative to output range, (+/-)0.8 %

Current, relative to output range, (+/-)0.8 %

Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency

Series mode interference (peak value of interference < rated value of input range), min.30 dB

Common mode interference, min.40 dB

Interfaces

Number of PROFINET interfaces0

Number of RS 485 interfaces1; MPI

Number of RS 422 interfaces1; RS 422 / 485 combined

Point-to-point connection

Cable length, max.1 200 m

Integrated protocol driver

— 3964 (R)Yes

— ASCIIYes

— RK 512Yes

Transmission rate, RS 422/485

— with 3964 (R) protocol, max.19.2 kbit/s; 38.4 kbit/s half duplex; 19.2 kbit/s full duplex

— with ASCII protocol, max.19.2 kbit/s; 38.4 kbit/s half duplex; 19.2 kbit/s full duplex

— with RK 512 protocol, max.19.2 kbit/s; 38.4 kbit/s half duplex; 19.2 kbit/s full duplex

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

2. Interface

Interface typeIntegrated RS 422/ 485 interface

IsolatedYes

Interface types

RS 485Yes; RS 422 / 485 (X.27)

Output current of the interface, max.No

Protocols

MPINo

PROFINET IO ControllerNo

PROFINET IO DeviceNo

PROFINET CBANo

PROFIBUS DP masterNo

PROFIBUS DP deviceNo

Point-to-point connectionYes

Point-to-point connection

Transmission rate, max.19.2 kbit/s; 38.4 kbit/s half duplex; 19.2 kbit/s full duplex

Interface controllable from the user programYes

Interface can trigger alarm/interrupt in the user programYes; Message on break - identification

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 kbyte; 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

overall12

usable for PG communication11

— reserved for PG communication1

— adjustable for PG communication, min.1

— adjustable for PG communication, max.11

usable for OP communication11

— reserved for OP communication1

— adjustable for OP communication, min.1

— adjustable for OP communication, max.11

usable for S7 basic communication8

— reserved for S7 basic communication0

— adjustable for S7 basic communication, min.0

— adjustable for S7 basic communication, max.8

S7 message functions

Number of login stations for message functions, max.12; 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

— adjustableNo

— 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 counters4; See "Technological Functions" manual

Counting frequency, max.60 kHz

Frequency measurementYes

Number of frequency meters4; up to 60 kHz (see "Technological Functions" manual)

controlled positioningYes

integrated function blocks (closed-loop control)Yes; PID controller (see "Technological Functions" manual)

PID controllerYes

Number of pulse outputs4; 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 channelsYes

between the channels, in groups of8

between the channels and backplane busYes

Potential separation analog inputs

Potential separation analog inputsYes; common for analog I/O

between the channelsNo

between the channels and backplane busYes

Potential separation analog outputs

Potential separation analog outputsYes; common for analog I/O

between the channelsNo

between the channels and backplane busYes

Isolation

Isolation tested with600 V DC

Ambient temperature during operation

min.0 °C

max.60 °C

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

— CFCYes

— GRAPHYes

— HiGraph®Yes

Know-how protection

User program protection/password protectionYes

Block encryptionYes; With S7 block Privacy

Dimensions

Width120 mm

Height125 mm

Depth130 mm

Weights

Weight, approx.680 g

Accessories 2

Genuine accessories that can be used with the Siemens 6ES7314-6BH04-0AB0 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.