Siemens SIMATIC S7-300, CPU 314C-2 6ES7314-6BH04-0AB0

Specification Sheet for Siemens SIMATIC S7-300, CPU 314C-2 6ES7314-6BH04-0AB0

Basic Information

• Product Model: 6ES7314-6BH04-0AB0

• Product Series: SIMATIC S7-300

• CPU Type: CPU 314C-2

• Application Areas: Chemical, Electronics, Electrical, Process Control, and other industrial automation fields requiring higher performance and communication capabilities

Hardware Characteristics

• Integrated Interfaces:

• MPI (Multi-Point Interface)

• PROFIBUS DP Master/Slave interface

• Power Supply: Built-in 24 V DC, with a voltage range of 20.4 V to 28.8 V

• Power Protection: External protection recommended for power supply cables

• Communication Ports: Additional communication ports may be available depending on the specific model, supporting further industrial protocols

Storage Media

• Internal Flash Memory for program and data storage, with optional expansion via MultiMediaCard (MMC) or CompactFlash (CF)

Memory Configuration

• Working Memory: Typically higher than 32 KByte, depending on model specifics

• Load Memory: Maximum capacity varies but can support large programs, with optional expansion via MMC or CF

• Retentive Memory: Available for retaining data blocks across power cycles, size depends on model specifics

Programming Environment

• Supported Software: STEP 7 V5.5 + SPx or higher (where x represents the latest service pack), ensuring compatibility with the latest features and improvements

Processing Capabilities

• Enhanced processing power compared to lower-end CPUs, suitable for more complex control tasks

• Bit, Word, Fixed-Point, and Floating-Point Arithmetic Operation Times are similar to or faster than the CPU 312, but exact values may vary

Additional Features

• Program Block Quantities:

• Maximum number of Data Blocks (DBs): Increased capacity compared to CPU 312, allowing for more extensive data storage

• Maximum number of Function Blocks (FBs) and Functions (FCs): Higher limit than CPU 312, enabling more complex logic and control strategies

• Types and quantities of Organization Blocks (OBs): Comprehensive set of OBs, including those for startup, error handling, interrupts, and more

• Counters and Timers:

• S7 Counters and Timers: Unlimited (limited only by RAM capacity), with retentivity for maintaining states across power cycles

• Enhanced Communication Capabilities: Support for PROFIBUS DP, allowing for seamless integration into PROFIBUS networks, as well as other communication protocols depending on the model