6AG1314-6CH04-7AB0
SIPLUS S7-300 CPU314C-2DP

From SIEMENS

SIPLUS S7-300 CPU 314C-2DP for medial exposure -25...+70°C based on 6ES7314-6CH04-0AB0 . Compact CPU with MPI, 24 DI/16 DO, 4 AI, 2 AO, 1 Pt100, 4 high-speed counters (60 kHz), integrated DP interface, Integr. power supply 24 V DC, work memory 192 KB, Front connector (2x 40-pole) and Micro Memory Card required
General information
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 DCYes
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
Load voltage L+
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)880 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
Memory
Work memory
integrated192 kbyte
expandableNo
Size of retentive memory for retentive data blocks64 kbyte
Load memory
Plug-in (MMC)Yes
Plug-in (MMC), max.8 Mbyte
Data management on MMC (after last programming), min.10 y
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 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
Descriptionsee 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 DPV1 alarm OBs3; OB 55, 56, 57
Number of startup OBs1; OB 100
Number of asynchronous error OBs5; OB 80, 82, 85, 86, 87
Number of synchronous error OBs2; OB 121, 122
Nesting depth
per priority class16
additional within an error OB4
Counters, timers and their retentivity
S7 counter
Number256
Retentivity
— adjustableYes
— lower limit0
— upper limit255
— presetZ 0 to Z 7
Counting range
— lower limit0
— upper limit999
IEC counter
presentYes
TypeSFB
NumberUnlimited (limited only by RAM capacity)
S7 times
Number256
Retentivity
— adjustableYes
— lower limit0
— upper limit255
— 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 in totalAll, max. 64 KB
Flag
Number, 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
Address area
I/O address area
Inputs2 048 byte
Outputs2 048 byte
of which distributed
— Inputs2 003 byte
— Outputs2 010 byte
Process image
Inputs2 048 byte
Outputs2 048 byte
Inputs, adjustable2 048 byte
Outputs, adjustable2 048 byte
Inputs, default128 byte
Outputs, default128 byte
Default addresses of the integrated channels
— Digital inputs124.0 to 126.7
— Digital outputs124.0 to 125.7
— Analog inputs752 to 761
— Analog outputs752 to 755
Digital channels
Inputs16 048
— of which central1 016
Outputs16 096
— of which central1 008
Analog channels
Inputs1 006
— of which central253
Outputs1 007
— of which central250
Hardware configuration
Number of expansion units, max.3
Number of DP masters
integrated1
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
Time of day
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 periodClock continues to run with the time at which the power failure occurred
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
to MPI, slaveYes
to DP, masterYes; With DP slave only slave clock
to DP, slaveYes
in AS, masterYes
in AS, slaveNo
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
Number of simultaneously controllable inputs
horizontal installation
— up to 40 °C, max.24
— up to 60 °C, max.12; up to 70 °C
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 +30V
Input current
for signal "1", typ.8 mA
Input delay (for rated value of input voltage)
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
Total current of the outputs (per group)
horizontal installation
— up to 40 °C, max.3 A
— up to 60 °C, max.2 A; 1.5 A @ > 60 °C
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
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
Thermocouple (TC)
Temperature compensation
— parameterizableNo
Characteristic linearization
parameterizableYes; by software
— for resistance thermometerPt 100
Cable length
shielded, max.100 m
Analog outputs
Number of analog outputs2
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
permissible input frequency, max.400 Hz
Time constant of the input filter0.38 ms
Basic execution time of the module (all channels released)1 ms
Analog value generation for the outputs
Integration and conversion time/resolution per channel
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
Encoder
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 industrial Ethernet interfaces0
Number of PROFINET interfaces0
Number of RS 485 interfaces2; MPI and PROFIBUS DP
Number of RS 422 interfaces0
1. Interface
Interface typeIntegrated RS 485 interface
PhysicsRS 485
IsolatedNo
Power supply to interface (15 to 30 V DC), max.200 mA
Protocols
MPIYes
PROFIBUS DP masterNo
PROFIBUS DP slaveNo
Point-to-point connectionNo
MPI
Transmission rate, max.187.5 kbit/s
Services
— PG/OP communicationYes
— RoutingYes
— 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 485 interface
PhysicsRS 485
IsolatedYes
Power supply to interface (15 to 30 V DC), max.200 mA
Protocols
MPINo
PROFINET IO ControllerNo
PROFINET IO DeviceNo
PROFINET CBANo
PROFIBUS DP masterYes
PROFIBUS DP slaveYes
Point-to-point connectionNo
PROFIBUS DP master
Transmission rate, max.12 Mbit/s
Number of DP slaves, max.124
Services
— PG/OP communicationYes
— RoutingYes
— Global data communicationNo
— S7 basic communicationYes; I blocks only
— S7 communicationYes; Only server, configured on one side
— S7 communication, as clientNo
— S7 communication, as serverYes
— EquidistanceYes
— Isochronous modeNo
— SYNC/FREEZEYes
— Activation/deactivation of DP slavesYes
— Number of DP slaves that can be simultaneously activated/deactivated, max.8
— Direct data exchange (slave-to-slave communication)Yes; As subscriber
— DPV1Yes
Address area
— Inputs, max.2 kbyte
— Outputs, max.2 kbyte
User data per DP slave
— Inputs, max.244 byte
— Outputs, max.244 byte
PROFIBUS DP slave
GSD fileThe latest GSD file is available on the Internet (http://www.siemens.com/profibus-gsd)
Transmission rate, max.12 Mbit/s
automatic baud rate searchYes; only with passive interface
Address area, max.32
User data per address area, max.32 byte
Services
— PG/OP communicationYes
— RoutingYes; Only with active interface
— Global data communicationNo
— S7 basic communicationNo
— S7 communicationYes; Only server, configured on one side
— S7 communication, as clientNo
— S7 communication, as serverYes
— Direct data exchange (slave-to-slave communication)Yes
— DPV1No
Transfer memory
— Inputs244 byte
— Outputs244 byte
Communication functions
PG/OP communicationYes
Data record routingYes
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
usable for routing4; max.
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
— adjustableYes; From 10 to 499
— preset10
Service data
can be read outYes
Interrupts/diagnostics/status information
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 (counter) 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
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
Permissible potential difference
between different circuits75 V DC/60 V AC
Between the inputs and MANA (UCM)8 V DC
between MANA and M internally (UISO)75 V DC/60 V AC
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
ATEXYes
Ambient conditions
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)
Resistance
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; *
Remark
— Note regarding classification of environmental conditions acc. to EN 60721* The supplied plug covers must remain in place over the unused interfaces during operation!
Configuration
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
last modified:03/13/2019

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