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312-5BE23 - CPUs | CPUs STEP7 programmable, class C

Order no.

312-5BE23

TypeVIPA CPU 312SC

General information

Note-
FeaturesPowered by SPEED7
Work memory [KB]: 128...1.024
Onboard 16x DI / 8x DO / 2x Counter / 2x PWM
Interface [RJ45]: Ethernet PG/OP communication
Interface [2x RS485]: MPI, PtP: ASCII, STX/ETX, 3964(R), USS master, Modbus master/slave
Including front connector
SD/MMC card slot with locking, up to 8 modules stackable, programmable with WinPLC7, SIMATIC Manager and TIA Portal
SPEED-Bus-

Technical data power supply

Power supply (rated value)DC 24 V
Power supply (permitted range)DC 20.4...28.8 V
Reverse polarity protection
Current consumption (no-load operation)135 mA
Current consumption (rated value)500 mA
Inrush current11 A
I²t0.7 A²s
Max. current drain at backplane bus3 A
Max. current drain load supply-
Power loss8 W

Technical data digital inputs

Number of inputs16
Cable length, shielded1000 m
Cable length, unshielded600 m
Rated load voltageDC 24 V
Reverse polarity protection of rated load voltage
Current consumption from load voltage L+ (without load)70 mA
Rated valueDC 24 V
Input voltage for signal "0"DC 0...5 V
Input voltage for signal "1"DC 15...28.8 V
Input voltage hysteresis-
Signal logic inputSinking input
Frequency range-
Input resistance-
Input current for signal "1"6 mA
Connection of Two-Wire-BEROs possible
Max. permissible BERO quiescent current1.5 mA
Input delay of "0" to "1"0.1 / 0.35 ms
Input delay of "1" to "0"0.1 / 0.35 ms
Number of simultaneously utilizable inputs horizontal configuration16
Number of simultaneously utilizable inputs vertical configuration16
Input characteristic curveIEC 61131-2, type 1
Initial data size2 Byte

Technical data digital outputs

Number of outputs8
Cable length, shielded1000 m
Cable length, unshielded600 m
Rated load voltageDC 24 V
Reverse polarity protection of rated load voltage-
Current consumption from load voltage L+ (without load)100 mA
Total current per group, horizontal configuration, 40°C3 A
Total current per group, horizontal configuration, 60°C2 A
Total current per group, vertical configuration2 A
Output voltage signal "1" at min. currentL+ (-0.8 V)
Output voltage signal "1" at max. currentL+ (-0.8 V)
Output current at signal "1", rated value0.5 A
Signal logic outputSinking output
Output current, permitted range to 40°C5 mA to 0.6 A
Output current, permitted range to 60°C5 mA to 0.6 A
Output current at signal "0" max. (residual current)0.5 mA
Output delay of "0" to "1"100 µs
Output delay of "1" to "0"100 µs
Minimum load current-
Lamp load5 W
Parallel switching of outputs for redundant control of a loadpossible
Parallel switching of outputs for increased powernot possible
Actuation of digital input
Switching frequency with resistive loadmax. 2.5 kHz
Switching frequency with inductive loadmax. 0.5 Hz
Switching frequency on lamp loadmax. 2.5 kHz
Internal limitation of inductive shut-off voltageL+ (-52 V)
Short-circuit protection of outputyes, electronic
Trigger level1 A
Number of operating cycle of relay outputs-
Switching capacity of contacts-
Output data size1 Byte

Technical data analog inputs

Number of inputs-
Cable length, shielded-
Rated load voltage-
Reverse polarity protection of rated load voltage-
Current consumption from load voltage L+ (without load)-
Voltage inputs-
Min. input resistance (voltage range)-
Input voltage ranges-
Operational limit of voltage ranges-
Operational limit of voltage ranges with SFU-
Basic error limit voltage ranges-
Basic error limit voltage ranges with SFU-
Destruction limit voltage-
Current inputs-
Max. input resistance (current range)-
Input current ranges-
Operational limit of current ranges-
Operational limit of current ranges with SFU-
Basic error limit current ranges-
Radical error limit current ranges with SFU-
Destruction limit current inputs (electrical current)-
Destruction limit current inputs (voltage)-
Resistance inputs-
Resistance ranges-
Operational limit of resistor ranges-
Operational limit of resistor ranges with SFU-
Basic error limit-
Basic error limit with SFU-
Destruction limit resistance inputs-
Resistance thermometer inputs-
Resistance thermometer ranges-
Operational limit of resistance thermometer ranges-
Operational limit of resistance thermometer ranges with SFU-
Basic error limit thermoresistor ranges-
Basic error limit thermoresistor ranges with SFU-
Destruction limit resistance thermometer inputs-
Thermocouple inputs-
Thermocouple ranges-
Operational limit of thermocouple ranges-
Operational limit of thermocouple ranges with SFU-
Basic error limit thermoelement ranges-
Basic error limit thermoelement ranges with SFU-
Destruction limit thermocouple inputs-
Programmable temperature compensation-
External temperature compensation-
Internal temperature compensation-
Technical unit of temperature measurement-
Resolution in bit-
Measurement principle-
Basic conversion time-
Noise suppression for frequency-
Initial data size-

Technical data analog outputs

Number of outputs-
Cable length, shielded-
Rated load voltage-
Reverse polarity protection of rated load voltage-
Current consumption from load voltage L+ (without load)-
Voltage output short-circuit protection-
Voltage outputs-
Min. load resistance (voltage range)-
Max. capacitive load (current range)-
Max. inductive load (current range)-
Output voltage ranges-
Operational limit of voltage ranges-
Basic error limit voltage ranges with SFU-
Destruction limit against external applied voltage-
Current outputs-
Max. in load resistance (current range)-
Max. inductive load (current range)-
Typ. open circuit voltage current output-
Output current ranges-
Operational limit of current ranges-
Radical error limit current ranges with SFU-
Destruction limit against external applied voltage-
Settling time for ohmic load-
Settling time for capacitive load-
Settling time for inductive load-
Resolution in bit-
Conversion time-
Substitute value can be applied-
Output data size-

Technical data counters

Number of counters2
Counter width32 Bit
Maximum input frequency10 kHz
Maximum count frequency10 kHz
Mode incremental encoder
Mode pulse / direction
Mode pulse
Mode frequency counter
Mode period measurement
Gate input available
Latch input available
Reset input available-
Counter output available

Load and working memory

Load memory, integrated1024 KB
Load memory, maximum1024 KB
Work memory, integrated128 KB
Work memory, maximal1024 KB
Memory divided in 50% program / 50% data
Memory card slotSD/MMC-Card with max. 2 GB

Hardware configuration

Racks, max.1
Modules per rack, max.8
Number of integrated DP master0
Number of DP master via CP4
Operable function modules8
Operable communication modules PtP8
Operable communication modules LAN8

Status information, alarms, diagnostics

Status displayyes
Interruptsyes
Process alarmyes
Diagnostic interruptyes
Diagnostic functionsno
Diagnostics information read-outpossible
Supply voltage displaygreen LED
Group error displayred SF LED
Channel error displayred LED per group

Isolation

Between channels
Between channels of groups to16
Between channels and backplane bus
Between channels and power supply-
Max. potential difference between circuitsDC 75 V/ AC 50 V
Max. potential difference between inputs (Ucm)-
Max. potential difference between Mana and Mintern (Uiso)-
Max. potential difference between inputs and Mana (Ucm)-
Max. potential difference between inputs and Mintern (Uiso)-
Max. potential difference between Mintern and outputs-
Insulation tested withDC 500 V

Command processing times

Bit instructions, min.0.02 µs
Word instruction, min.0.02 µs
Double integer arithmetic, min.0.02 µs
Floating-point arithmetic, min.0.12 µs

Timers/Counters and their retentive characteristics

Number of S7 counters512
S7 counter remanenceadjustable 0 up to 128
S7 counter remanence adjustableC0 .. C7
Number of S7 times512
S7 times remanenceadjustable 0 up to 128
S7 times remanence adjustablenot retentive

Data range and retentive characteristic

Number of flags8192 Byte
Bit memories retentive characteristic adjustableadjustable 0 up to 128
Bit memories retentive characteristic presetMB0 .. MB15
Number of data blocks4095
Max. data blocks size64 KB
Max. local data size per execution level510 Byte

Blocks

Number of OBs15
Number of FBs2048
Number of FCs2048
Maximum nesting depth per priority class8
Maximum nesting depth additional within an error OB4

Time

Real-time clock buffered
Clock buffered period (min.)6 w
Accuracy (max. deviation per day)10 s
Number of operating hours counter8
Clock synchronization
Synchronization via MPIMaster/Slave
Synchronization via Ethernet (NTP)no

Address areas (I/O)

Input I/O address area1024 Byte
Output I/O address area1024 Byte
Input process image maximal128 Byte
Output process image maximal128 Byte
Digital inputs272
Digital outputs264
Digital inputs central272
Digital outputs central264
Integrated digital inputs16
Integrated digital outputs8
Analog inputs64
Analog outputs64
Analog inputs, central64
Analog outputs, central64
Integrated analog inputs0
Integrated analog outputs0

Communication functions

PG/OP channel
Global data communication
Number of GD circuits, max.4
Size of GD packets, max.22 Byte
S7 basic communication
S7 basic communication, user data per job76 Byte
S7 communication
S7 communication as server
S7 communication as client-
S7 communication, user data per job160 Byte
Number of connections, max.32

PWM data

PWM channels2
PWM time basis0.1 ms / 1 ms
Period length4...65535 / 1...65535 * time base
Minimum pulse width0...0.5 * Period duration
Type of outputHighside with 1.1kOhm pulldown

Functionality Sub-D interfaces

TypeX2
Type of interfaceRS485
ConnectorSub-D, 9-pin, female
Electrically isolated-
MPI
MP²I (MPI/RS232)-
DP master-
DP slave-
Point-to-point interface-
5V DC Power supplymax. 90mA, non-isolated
24V DC Power supplymax. 100mA, non-isolated

TypeX3
Type of interfaceRS485
ConnectorSub-D, 9-pin, female
Electrically isolated
MPI-
MP²I (MPI/RS232)-
DP master-
DP slave-
Point-to-point interface
5V DC Power supplymax. 90mA, isolated
24V DC Power supplymax. 100mA, non-isolated

Functionality MPI

Number of connections, max.32
PG/OP channel
Routing-
Global data communication
S7 basic communication
S7 communication
S7 communication as server
S7 communication as client-
Transmission speed, min.19.2 kbit/s
Transmission speed, max.187.5 kbit/s

Functionality PROFIBUS master

Number of connections, max.-
PG/OP channel-
Routing-
S7 basic communication-
S7 communication-
S7 communication as server-
S7 communication as client-
Activation/deactivation of DP slaves-
Direct data exchange (slave-to-slave communication)-
DPV1-
Transmission speed, min.-
Transmission speed, max.-
Number of DP slaves, max.-
Address range inputs, max.-
Address range outputs, max.-
User data inputs per slave, max.-
User data outputs per slave, max.-

Functionality PROFIBUS slave

Number of connections, max.-
PG/OP channel-
Routing-
S7 communication-
S7 communication as server-
S7 communication as client-
Direct data exchange (slave-to-slave communication)-
DPV1-
Transmission speed, min.-
Transmission speed, max.-
Automatic detection of transmission speed-
Transfer memory inputs, max.-
Transfer memory outputs, max.-
Address areas, max.-
User data per address area, max.-

Functionality RJ45 interfaces

TypeX5
Type of interfaceEthernet 10/100 MBit
ConnectorRJ45
Electrically isolated
PG/OP channel
Number of connections, max.4
Productive connections-

Point-to-point communication

PtP communication
Interface isolated
RS232 interface-
RS422 interface-
RS485 interface
ConnectorSub-D, 9-pin, female
Transmission speed, min.150 bit/s
Transmission speed, max.115.5 kbit/s
Cable length, max.500 m

Point-to-point protocol

ASCII protocol
STX/ETX protocol
3964(R) protocol
RK512 protocol-
USS master protocol
Modbus master protocol
Modbus slave protocol-
Special protocols-

Housing

MaterialPPE
MountingRail System 300

Mechanical data

Dimensions (WxHxD)80 mm x 125 mm x 120 mm
Net weight410 g
Weight including accessories-
Gross weight-

Environmental conditions

Operating temperature0 °C to 60 °C
Storage temperature-25 °C to 70 °C

Certifications

UL certificationyes
KC certificationyes

Downloads

[Datasheet]
[Manual]