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

Siemens SIMATIC S7-300, CPU 312C 6ES7312-5BF04-0AB0 Specification Sheet

Basic Information

• Product Number: 6ES7312-5BF04-0AB0

• Series: SIMATIC S7-300

• CPU Type: CPU 312C

• Manufacturer: Siemens

Hardware Characteristics

• Power Supply: 24 V DC, suitable for voltage range of 19.2 V to 28.8 V

• Working Memory: 64 KB

• Interfaces:

• MPI (Multi-Point Interface) for communication with other S7-300/400 systems, PG (Programmable Device), PC, and OP (Operator Panel)

• Requires an MMC (MultiMediaCard) for program storage

• Connector: Front connector (1X 40 pin)

Performance

• Instruction Processing Time: Up to 100 ns per binary instruction

• Digital I/O:

• 10 digital inputs (can be used for alarm processing)

• 6 digital outputs

• High-Speed Counters: 2 channels, capable of counting up to 10 kHz

Programming and Software

• Supported Software: STEP 7 for S7-300/400 (versions may vary, latest versions recommended)

• Programming Memory: SIMATIC MMC card (up to 8 MB) for storing the program, including symbols and comments

Connectivity and Networking

• MPI: Enables up to 6 simultaneous connections with S7-300/400, PG, PC, or OP devices. Dedicated connections are reserved for PG and OP.

• Global Data Communication: Allows the creation of a simple network of up to 16 CPUs through MPI.

Security and Diagnostics

• Password Protection: User programs can be password-protected to prevent unauthorized access.

• Diagnostics: Diagnostic buffer can store the last 500 error and interrupt events, with 100 events capable of long-term storage.

• Retentive Data: In case of power failure, all retentive data is automatically written to the MMC card and is retained upon power restoration.

Additional Features

• Expansion Capability: As part of the S7-300 system, CPU 312C can be expanded with various modules such as signal modules (SM), communication processors (CP), function modules (FM), and power supply modules (PS).

• Environmental Tolerance: Suitable for use in temperatures ranging from -25°C to +60°C, with high humidity, condensation, and frost conditions. Protected against direct sunlight, rain, and splashing water. Can be used in IP20-rated cabinets for vehicle or outdoor applications without requiring additional protection.