PLC | Siemens | 6ES7315-2EH14-0AB0 6ES7 315-2EH14-0AB0 S7-300 CPU 315-2 PN/DP

Product Description: Siemens 6ES7315-2EH14-0AB0 CPU 315-2 PN/DP

The Siemens 6ES7315-2EH14-0AB0 is the CPU 315-2 PN/DP, a powerful mid-range CPU from the SIMATIC S7-300 series. It features integrated PROFINET and PROFIBUS DP interfaces, making it ideal for use in distributed and modular automation architectures. With 384 KB of user memory, high-speed processing, and real-time clock capabilities, this CPU is well-suited for a wide range of industrial applications that demand deterministic control and communication flexibility.

Key Features

• Integrated PROFINET and PROFIBUS DP master/slave interfaces
• 384 KB user memory for program and data
• Supports modular and distributed I/O architectures
• High processing speed for logic, math, and communication tasks
• Built-in real-time clock and retentive memory
• Configurable via STEP 7 in TIA Portal or classic environment
• Compatible with a wide range of S7-300 I/O and function modules

Technical Specifications

• Part Number: 6ES7315-2EH14-0AB0
• User Memory: 384 KB (integrated)
• Load Memory: Memory card required (Micro Memory Card, MMC)
• Cycle Time: ~0.1 µs per bit operation
• Interfaces:
  • 1 x PROFINET (Ethernet RJ45, 10/100 Mbps)
• Number of Communication Connections:
  • PROFINET: up to 16
• I/O Address Range: 8192 bytes input / 8192 bytes output
• Time-of-Day Clock: Yes, battery-backed
• Mounting: DIN rail (S7-300 standard rack)
• Dimensions (W × H × D): 80 mm × 125 mm × 130 mm
• Weight: Approx. 500 g
• Power Supply: 24 V DC
• Protection Class: IP20
• Operating Temperature: 0 °C to +60 °C
• Storage Temperature: –40 °C to +70 °C
• Certifications: CE, UL, cULus, ATEX (Zone 2)

Application Areas

• Factory and process automation systems
• Distributed control architectures with PROFINET and PROFIBUS
• Machinery and production lines with mid-range performance needs
• Industrial sectors such as automotive, food, packaging, and energy
• Automation systems requiring high modularity and communication flexibility

Advantages

• Dual-interface support for both PROFINET and PROFIBUS networks
• Ample memory for medium to complex control programs
• Fast instruction processing improves system responsiveness
• Modular scalability within the S7-300 platform
• Long-term availability and support within Siemens’ automation portfolio