Siemens SIMATIC S7-300 CPU 314-6BH04
Order Number: 6ES7 314-6BH04-0AB0

General Features
CPU Type: Standard S7-300 mid-range controller

Memory:

Work Memory: 192 KB (for code/data)

Load Memory: Expandable via MMC (up to 8 MB)

Performance:

Execution Speed: ~0.1 μs per binary instruction

Bit Operations: 100,000/s

I/O & Communication
Integrated I/O: None (requires expansion modules)

Communication Ports:

1x MPI/DP (RS485): Configurable as MPI or PROFIBUS DP master/slave

1x PROFINET (2-port switch): Supports RT/IRT, TCP/IP, and PROFINET IO

Max. I/O Capacity:

Digital: Up to 1,024 channels

Analog: Up to 256 channels

Expansion & Compatibility
Modules Supported: All S7-300 I/O modules (SM, FM, CP)

Max. Configurations: Up to 8 modules per rack

Power & Environmental
Supply Voltage: 24V DC (19.2–28.8V)

Power Consumption: ~8W (typical)

Protection Class: IP20 (for control cabinets)

Operating Temperature: 0 to 60°C

Relative Humidity: 95% (non-condensing)

Certifications
CE, UL, cUL, ATEX (for hazardous areas)

Software & Programming
Programming Software: STEP 7 (TIA Portal or Classic)

Supported Protocols: PROFIBUS DP, PROFINET, MPI, TCP/IP

Typical Applications
Medium-scale automation (e.g., conveyor systems, packaging machines)

Process control with PROFINET/PROFIBUS integration