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

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

Product Name: SIMATIC S7-300 CPU 312C Compact CPU

Brand Name: Siemens

Model Number: 6ES7312-5BF04-0AB0

Place of Origin: Germany

Warranty: 12 Months

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Appurtenance:

Overview
Specifications
Commercial Terms
Description
Control Processing
FAQ
Why Choose Us
After-Sales Support
Other Products
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Sales	Email	Phone/Whatsapp
Jim Pei	[email protected]	+86 18020776782

Specifications

TECHNICAL PROFILESIMATIC S7-300 / Compact CPU

Model Number	6ES7312-5BF04-0AB0
Product Family	SIMATIC S7-300
Product Type	CPU 312C
Hardware Functional Status	01
Firmware Version	V3.3
Engineering Software	STEP 7 V5.5 SP1 or supported earlier release with HSP 203
Rated Supply	24 V DC
Permissible Supply Range	19.2 to 28.8 V DC
Rated Current Consumption	570 mA
Typical No-Load Current	90 mA
Typical Power Loss	8 W
Integrated Work Memory	64 KB
Maximum MMC Capacity	8 MB
Bit Operation Time	0.1 µs typical
Word Operation Time	0.24 µs typical
Floating-Point Operation Time	1.1 µs typical
Digital Inputs	10
Technological Inputs	8
Digital Outputs	6
High-Speed Outputs	2
Output Rated Current	500 mA
Integrated RS485 Interfaces	1; MPI
Maximum MPI Rate	187.5 kbit/s
Integrated High-Speed Counters	2 at up to 10 kHz
Pulse Outputs	2 at up to 2.5 kHz
Maximum Racks	1
Modules per Rack	8 maximum
Operating Temperature	0 to 60 °C
Width	80 mm
Height	125 mm
Depth	130 mm
Approximate Weight	410 g

Values apply to the exact 6ES7312-5BF04-0AB0 ordering configuration; verify the installed hardware and system design before commissioning.

Commercial Terms

ORDER FRAMEOrder details

Minimum Order Quantity	1 Piece
Price	Contact for Jim
Packaging Details	Original new Factory Sealed
Delivery Time	3–7 Days
Payment Terms	T/T
Shipping Method	DHL / FedEx / UPS / TNT
Supply Ability	Brand new, In Stock

Description

01 / DRIVE PROFILE

Siemens 6ES7312-5BF04-0AB0 is the SIMATIC S7-300 CPU 312C compact controller. It combines 64 KB of work memory with an MPI interface, 10 integrated digital inputs, six integrated digital outputs, and two 10 kHz high-speed counters.

02 / SYSTEM ROLE

The CPU operates from 24 V DC and requires both a 40-pole front connector and a SIMATIC Micro Memory Card. The integrated outputs include two high-speed channels, while the technological functions also support frequency measurement and two pulse outputs up to 2.5 kHz.

Engineering requires a supported STEP 7 release and the correct hardware support package. Before exchanging the CPU, retain the MMC, project, MPI address, retentive-data requirements, I/O wiring, and technological-function settings; the compact CPU does not support expansion units beyond its single rack.

Control Processing

Digital inputs
Source

→

CPU 312C scan
Control Processing

→

Digital outputs
Destination

Compact local I/O
Processes the ten onboard inputs and six onboard outputs without a separate signal module.

Technological counting
Uses two integrated counters for pulse or frequency tasks up to 10 kHz.

MPI coordination
Connects engineering and supported S7 communication partners through the integrated MPI interface.

FAQ

Which signals are integrated in 6ES7312-5BF04-0AB0?

The CPU has 10 digital inputs and six digital outputs, including two high-speed outputs.

Does 6ES7312-5BF04-0AB0 require a memory card?

Yes. A SIMATIC Micro Memory Card is required, and the official data lists capacities up to 8 MB.

What counting functions are built into 6ES7312-5BF04-0AB0?

Two integrated counters support counting and frequency measurement at up to 10 kHz.

Can 6ES7312-5BF04-0AB0 operate as an integrated PROFIBUS DP master?

No. Its integrated serial interface is MPI; additional communication requires the appropriate CP and project design.

Which engineering baseline is listed for 6ES7312-5BF04-0AB0?

Siemens lists STEP 7 V5.5 SP1 or a supported earlier STEP 7 release with HSP 203.

Why should the MMC remain paired with the project for 6ES7312-5BF04-0AB0?

The program and retained data depend on the memory-card arrangement, so the MMC and project backup are central to a controlled CPU exchange.

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Most products are covered by a warranty of up to 12 months, subject to the applicable terms and conditions. If any product-related issue occurs during the warranty period, our team will assist you and provide an appropriate solution.

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Relevant datasheets and technical literature can be provided with the goods, offering useful information for product identification, installation, operation, and maintenance.

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