Brand:Siemens Item No.:6AG1312-5BF04-7AB0 Product Origin:Germany Product Dimensions:130 × 125 × 80 mm Product Weight:0.470 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Siemens 6AG1312-5BF04-7AB0 SIPLUS S7-300 CPU 312C combines compact PLC functionality with environmental protection for industrial automation applications. Its integrated digital I/O, 64 KB work memory, MPI interface, and high-speed counting capabilities make it suitable for straightforward machine control and signal-processing tasks.
As part of the SIPLUS product range, this model adds conformal coating and an extended temperature range to the underlying SIMATIC S7-300 CPU design. It is an option for installations that need the S7-300 platform in more demanding ambient conditions, provided the complete system is designed for those conditions.
For maintenance and replacement projects, confirm the exact part number and system configuration before ordering. The Micro Memory Card, programming environment, communication settings, and connected I/O should all be checked as part of the replacement process.
Technical Specifications
Parameter
Specification
Brand
Siemens
Model
6AG1312-5BF04-7AB0
Product Type
SIPLUS S7-300 CPU 312C
Product Series
SIMATIC S7-300
Base Model
6ES7312-5BF04-0AB0
CPU Type
Compact PLC CPU
Work Memory
64 KB
Digital Inputs
10
Digital Outputs
6
High-Speed Counters
2
Maximum Counting Frequency
10 kHz
Communication Interface
MPI
Rated Supply Voltage
24 V DC
Permissible Supply Voltage
19.2–28.8 V DC
Operating Temperature
-25°C to +70°C
Protective Feature
Conformal coating
Memory Card
SIMATIC Micro Memory Card required
Programming Software
Compatible STEP 7
Dimensions
130 × 125 × 80 mm (5.12 × 4.92 × 3.15 in)
Weight
0.470 kg (1.04 lb)
Recommended Related Models
The following models belong to the Siemens SIMATIC S7-300 or SIPLUS S7-300 product family. Verify I/O requirements, communication interfaces, environmental specifications, and system compatibility before selecting a replacement.
Model
Product Type
Description
6AG1312-5BF04-2AY0
SIPLUS CPU 312C
Extended-environment version with railway-related specifications
6ES7312-5BF04-0AB0
CPU 312C
Standard SIMATIC S7-300 base model
6AG1313-5BG04-7AB0
SIPLUS CPU 313C
Compact CPU with integrated digital and analog I/O
6AG1313-6CG04-7AB0
SIPLUS CPU 313C-2 DP
Compact CPU with integrated I/O and PROFIBUS DP capability
6AG1314-1AG14-7AB0
SIPLUS CPU 314
S7-300 CPU option for broader automation requirements
Popular Related Models
Model
Product Type
Description
6AG1314-6CH04-7AB0
SIPLUS CPU 314C-2 DP
Compact CPU with integrated I/O and DP communication
6AG1315-2AH14-7AB0
SIPLUS CPU 315-2 DP
CPU with PROFIBUS DP communication
6AG1315-2EH14-7AB0
SIPLUS CPU 315-2 PN/DP
CPU with PROFINET and PROFIBUS DP interfaces
6AG1317-2EK14-7AB0
SIPLUS CPU 317-2 PN/DP
Higher-performance S7-300 CPU with PN/DP communication
6ES7314-1AG14-0AB0
CPU 314
Standard SIMATIC S7-300 CPU
Applications
The Siemens 6AG1312-5BF04-7AB0 is a SIPLUS SIMATIC S7-300 CPU 312C compact programmable logic controller (PLC) designed for small-scale automation tasks. Based on the standard 6ES7312-5BF04-0AB0 CPU, this version features conformal coating and an extended operating temperature range of -25°C to +70°C.
With integrated digital inputs and outputs, an MPI communication interface, and high-speed counting functions, the CPU supports machine control, equipment monitoring, and compact automation systems. Its environmental protection features make it suitable for applications where operating conditions are more demanding than those typically found in standard industrial cabinets.
Typical applications include:
Compact machine automation and sequence control
Digital signal acquisition and equipment status monitoring
High-speed counting and frequency measurement
Small production systems and process equipment
Industrial installations requiring an extended operating temperature range
Control systems using the Siemens SIMATIC S7-300 platform
Advantages
Extended temperature range: Designed for operation from -25°C to +70°C.
Conformal coating: Provides additional protection for the electronic assembly in challenging environments.
Integrated I/O: Includes 10 digital inputs and 6 digital outputs for compact control applications.
High-speed counting: Supports two high-speed counters with a counting frequency of up to 10 kHz.
MPI communication: Provides an interface for programming and communication within compatible SIMATIC systems.
Compact design: Combines CPU, digital I/O, and technological functions in one module.
64 KB work memory: Supports compact automation programs and associated data.
Established PLC platform: Integrates into suitable SIMATIC S7-300 architectures.
Technical FAQs
Q1: What is the Siemens 6AG1312-5BF04-7AB0 CPU?
It is a SIPLUS SIMATIC S7-300 CPU 312C compact PLC designed for small automation applications. It is based on the standard 6ES7312-5BF04-0AB0 and features conformal coating and an extended operating temperature range.
Q2: What is the operating temperature range of this CPU?
The specified operating temperature range is -25°C to +70°C. Actual suitability depends on installation conditions and the environmental requirements of the complete control system.
Q3: How many digital inputs and outputs are integrated?
The CPU includes 10 digital inputs and 6 digital outputs, allowing it to handle basic field signals without requiring separate I/O modules for every signal.
Q4: What communication interface does the 6AG1312-5BF04-7AB0 use?
It includes an MPI communication interface for programming and communication with compatible SIMATIC devices. It does not provide an integrated PROFINET interface.
Q5: How much work memory does the CPU provide?
The CPU has 64 KB of integrated work memory. A compatible SIMATIC Micro Memory Card is required for operation and provides load memory for the user program.
Q6: Does this CPU support high-speed counting?
Yes. It supports two integrated high-speed counters with a maximum counting frequency of 10 kHz, depending on the signal configuration and operating conditions.
Q7: Which programming software is used?
The CPU is programmed using compatible STEP 7 software. The required software version and hardware support package should be checked against the CPU's firmware and engineering environment.
Q8: What power supply does the CPU require?
The rated supply voltage is 24 V DC, with a permissible range of 19.2–28.8 V DC. The power supply and protective devices should be selected according to the system design.
Q9: Is the 6AG1312-5BF04-7AB0 interchangeable with the standard 6ES7312-5BF04-0AB0?
It is based on the 6ES7312-5BF04-0AB0, but replacement should not be assumed to be a simple plug-in exchange. Check environmental requirements, hardware configuration, firmware, installation details, and the complete system's compatibility before substitution.
Q10: What should be checked before replacing this CPU?
Verify the full order number, hardware and firmware versions, program backup, Micro Memory Card, MPI communication settings, I/O wiring, and environmental requirements. Confirm that the replacement matches the existing control system before installation.
