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Siemens 6ES7312-5BF04-0AB0 CPU 312C with ten inputs and six outputs
Siemens 6ES7312-5BF04-0AB0 CPU 312C with ten inputs and six outputs
Siemens 6ES7312-5BF04-0AB0 CPU 312C with ten inputs and six outputs

Siemens 6ES7312-5BF04-0AB0 S7-300 CPU 312C Compact CPU

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Siemens official data verified
6ES7312-5BF04-0AB0 — CPU 312C compact controller

A S7-300 CPU 312C compact controller with MPI, 10 integrated digital inputs, 6 integrated digital outputs, two 10 kHz counters and 64 KB work memory.

S7-300CPU 312C10 DI / 6 DQ64 KB work memory
Sales managerTiffany Guan
Mobile / WhatsApp+86 18030235313
Officially verified product profile
CPU typeCPU 312C compact CPU
Integrated I/O10 DI / 6 DQ
High-speed counters2 × 10 kHz
Work memory64 KB
CommunicationMPI
Net weight0.458 kg
  • Brand:

    SIEMENS
  • Item NO.:

    6ES7312-5BF04-0AB0
  • Part Number:

    6ES7312-5BF04-0AB0
  • Weight:

    458 g
  • Dimensions:

    Package: 13.10 × 15.30 × 8.90 cm
  • Certification:

    Official manufacturer documentation verified
  • Description:

    A S7-300 CPU 312C compact controller with MPI, 10 integrated digital inputs, 6 integrated digital outputs, two 10 kHz counters and 64 KB work memory.
6ES7312-5BF04-0AB0 configuration inquiry

Get a precise quote for CPU 312C compact controller

Email Sales
Sales managerTiffany Guan
WhatsApp+86 18030235313

6ES7312-5BF04-0AB0 official identification

Siemens identifies 6ES7312-5BF04-0AB0 as CPU 312C compact controller. A S7-300 CPU 312C compact controller with MPI, 10 integrated digital inputs, 6 integrated digital outputs, two 10 kHz counters and 64 KB work memory.

Compact control coreCombines CPU processing and sixteen digital points in one S7-300 module.
Integrated countingProvides two high-speed counters documented for up to 10 kHz.
MPI engineering interfaceUses the S7-300 MPI interface for compatible engineering and network functions.
Installed-base productSiemens lists the product as phased out, so exact spare planning and project backup are important.

Verified technical facts

  • Siemens designates 6ES7312-5BF04-0AB0 as the S7-300 CPU 312C compact CPU.
  • The CPU integrates 10 digital inputs and 6 digital outputs.
  • Two high-speed counters support frequencies up to 10 kHz.
  • Work memory is 64 KB.
  • A Micro Memory Card and one 40-pole front connector are required.
  • The exact product data lists firmware V3.3.17 and STEP 7 V5.5.
  • Siemens lists net weight as 0.458 kg and marks the product phase-out from 2023-10-01.
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Every model above links to an existing Nordwel product page with verified sales contact details.CHECK WITH SALES

6ES7312-5BF04-0AB0 order guide

Use the exact manufacturer order number and verify the system constraints before procurement.

1

Match the full article

Retain 6ES7312-5BF04-0AB0 including every suffix character.

2

Back up the project

Archive the STEP 7 project, hardware configuration and memory-card contents before replacement.

3

Confirm the memory card

Select a compatible Micro Memory Card for the application.

4

Check the front connector

The product note calls for one 40-pole front connector.

5

Reconcile the onboard I/O

Verify the design fits 10 DI, 6 DQ and the two 10 kHz counters.

6

Validate firmware compatibility

Check the installed hardware configuration against firmware V3.3.17 and STEP 7 V5.5 requirements.

Quotation checklist: Send the complete order number, nameplate photo, quantity, destination and required condition. Technical compatibility remains an engineering decision.

Middle East Demand & Specialist Models

Selected specialist-brand products requested for regional projects and available on Nordwel.

Recent demand based on Nordwel inquiry records.
Confirm the exact part number before ordering.
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Schneider Electric / Drive BoardPN072132P902 / 3D658187G901

Replacement inverter driver board for installed industrial systems.

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Load Cell Central / Signal ConditioningOM-19-2

Amplifier transducer for load-cell signal conditioning.

Specialist brand
XP Power / Power SupplyF7A4K6G2 / A1A0100275

Industrial power-supply model for legacy equipment support.

Specialist brand
Model-specific support

6ES7312-5BF04-0AB0 service and FAQ

Answers below use Siemens official product documentation for this exact order number.

Exact-order verificationWe compare the complete manufacturer suffix before quotation.
Configuration reviewShare the controller, I/O list, protection scheme or field-load data.
Documentation basisSpecifications are tied to official manufacturer sources.
Global inquiry supportProvide destination and quantity for a precise commercial response.

Frequently asked questions

What is 6ES7312-5BF04-0AB0?

It is a Siemens S7-300 CPU 312C compact CPU.

How much work memory is integrated?

64 KB.

How much onboard digital I/O is available?

10 digital inputs and 6 digital outputs.

Are high-speed counters included?

Yes. Two counters are documented for up to 10 kHz.

Which communication interface is built in?

MPI.

Is a memory card required?

Yes. Siemens states that a Micro Memory Card is required.

Which front connector is needed?

One 40-pole front connector.

Is this product current?

Siemens lists it in product phase-out from 2023-10-01.

Sales managerTiffany Guan
WhatsApp+86 18030235313
ICS TRIPLEX / TRUSTED

Trusted T8000 Series Model Directory

Software, licensing, controller, interface, shield and power-supply references.

Software & Licensing

T8013SOE & Process Historian Software Package
T8017Peer to Peer Communications Software Package
T8019Process Control Algorithm Software Package
T8030SOPC Server Package
T8082DIEC1131 Toolset Suite; Licensed to Hard Drive
T8082UIEC1131 Toolset Suite; USB Port Dongle
T8090MLicense for SIS Workstation 1.0 MED

Controller, Interface & Power Modules

T8100CController Chassis Module
T8111CProcessor Module
T8120CProcessor Interface Adaptor Module
T8121CProcessor Interface Adaptor Module (IRIG-B)
T8122CProcessor Interface Adaptor Module (MODBUS Master)
T8123CProcessor Interface Adaptor Module (IRIG-B and MODBUS Master)
T8151CCommunication Interface Module

Communication Adaptors, Shield & Power Modules

T8153CCommunication Interface Adaptor Module
T8191Shield Module
T8193Shield Module
T8231Power Supply Module
Exact-match links open existing Nordwel product pages. Reference-only models remain unlinked until a matching product page is published.
ICS TRIPLEX / I/O CABLES

Companion-Slot to FTA Cable Selection

Internal cable references for 40-channel input and output connections to field termination assemblies.

INPUT · 40 CHANNEL
TC-201-02-2M5

I/O Companion Slot to FTA · 2.5 m

INPUT · 40 CHANNEL
TC-201-02-4M5

I/O Companion Slot to FTA · 4.5 m

INPUT · 40 CHANNEL
TC-201-02-6M5

I/O Companion Slot to FTA · 6.5 m

INPUT · 40 CHANNEL
TC-201-02-8M5

I/O Companion Slot to FTA · 8.5 m

INPUT · 40 CHANNEL
TC-201-02-10M5

I/O Companion Slot to FTA · 10.5 m

INPUT · 40 CHANNEL
TC-201-02-12M5

I/O Companion Slot to FTA · 12.5 m

OUTPUT · 40 CHANNEL
TC-205-02-4M5

I/O Companion Slot to FTA · 4.5 m

OUTPUT · 40 CHANNEL
TC-205-02-6M5

I/O Companion Slot to FTA · 6.5 m

OUTPUT · 40 CHANNEL
TC-205-02-8M5

I/O Companion Slot to FTA · 8.5 m

Exact-match links open existing Nordwel product pages. Confirm channel direction, cable length and FTA compatibility before quotation.
Application fit

Where 6ES7312-5BF04-0AB0 fits

Use the verified electrical, lifecycle and system limits—not generic family assumptions—to decide suitability.

Application areas

01Compact machine logicUses integrated digital I/O to reduce separate module count.
02Counting applicationsHandles two compatible 10 kHz counter channels within Siemens limits.
03S7-300 maintenance spareSupports like-for-like replacement in a documented installed base.
04MPI-connected stationsFits systems engineered around the CPU 312C MPI interface.

Why choose Nordwel

Best fit: Projects whose drawings or migration study name this exact order number and documented function.
Check first: Exact suffix, host system, power, wiring, software, lifecycle and field-device requirements.
Fast quotationConfirm pricing, availability and lead time against current Nordwel business records.
Dedicated sales contactWork directly with Tiffany Guan for pre-order clarification and order follow-up.
Final selection depends on the exact suffix, host system, power, wiring, software, lifecycle and field-device requirements.
Need help confirming this exact configuration?CONTACT SALES
Need a hard-to-find industrial spare?Send the complete model, manufacturer, quantity and equipment nameplate. Nordwel will cross-check the exact brand, revision, electrical interface and mechanical configuration before quotation.
CROSS-BRAND MODEL SUPPORT

Industrial Spare Parts Reference

Selected legacy and specialist models for motion, sensing, pneumatic and control-system applications.

Motion & DrivesBLS3-4 BLS3Legacy servo/control unit; confirm the full BLS3 designation.
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Motion & DrivesAE100M 200-00182Rotary encoder reference; confirm interface and mounting.
Sensors & MeasurementSFET-F500-L-W18-B-K1Configured industrial sensor assembly; verify the full option string.
Pneumatic & ProcessTZ2LE024PGVAB 074308Configured valve component; confirm coil voltage and port options.
PLC, Power & Communication6ES59417UA12Siemens S5 module reference; confirm the installed rack function.
Motion & DrivesMDX60A0110503400 8226857SEW-EURODRIVE MOVIDRIVE inverter reference.
Sensors & MeasurementPTP35A2A13P1PH4AConfigured process-instrument reference; verify range and output.
PLC, Power & CommunicationHITACHI 33016136-5Hitachi industrial control spare; confirm the host equipment family.
Pneumatic & ProcessNUMATICS 34203626Numatics pneumatic component; verify valve and coil configuration.
Sensors & MeasurementHBM WA/20mm 050310129 090610052HBM displacement transducer with 20 mm measurement reference.
Pneumatic & ProcessFESTO 184518 DPA-63-10Festo twin-piston pneumatic pressure booster.
PLC, Power & CommunicationH920Legacy industrial control spare; nameplate confirmation required.
Sensors & MeasurementPN3093ifm electronic pressure sensor with digital display.
PLC, Power & CommunicationK2001000100MConfigured cable or assembly reference; confirm the equipment family.
PLC, Power & CommunicationPCD3W800Saia PCD3 analog I/O module reference.
Motion & Drives49/F2-10 P 80 B14 B3Configured motor and gearbox assembly reference.
Sensors & MeasurementUB40012GME5V1Pepperl+Fuchs UB400 ultrasonic sensor.
PLC, Power & CommunicationDFR713PLegacy electronic control spare; confirm manufacturer and revision.
Sensors & MeasurementPT/EL-DR-5BAR-S1-HA-TH-SS5 bar pressure-instrument reference; verify materials and output.
Sensors & MeasurementUDS3/200MB/4/20/G1/4E/FConfigured pressure sensor/transmitter reference.
Motion & DrivesVRDM397/50LWBBerger Lahr stepper motor reference.
Pneumatic & ProcessMPPES31410420Festo proportional pressure regulator reference.
PLC, Power & Communication6GK57980SN000EA0Siemens industrial communication accessory; verify installed function.
Sensors & MeasurementWTT280L-2P2531SICK PowerProx time-of-flight photoelectric sensor.
Pneumatic & ProcessMSQB20H2SMC compact rotary table/actuator reference.
Pneumatic & ProcessMSQB30H3SMC compact rotary table/actuator reference.
PLC, Power & CommunicationMCRSLUI0Phoenix Contact analog signal conditioner reference.
Motion & Drives6FX11422BA02Siemens drive/CNC electronic module reference.
No exact Nordwel product pages were found for this reference list. Final supply must be confirmed from the manufacturer nameplate, complete ordering code and installed-system context.
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