Siemens 6ES7317-2AK14-0AB0 | CPU 317-2 DP Processor Module

Specifications

• Work Memory: 1 MB (integrated, non-expandable)
• Retentive Memory: 256 kB (for data blocks)
• Load Memory: Requires MMC card (6ES7953-8L…)
• Processing Speed:
  • Bit ops: ~0.05 μs
  • Word ops: ~0.1 μs
  • Float ops: ~0.24 μs
• Interfaces:
  • Port 1: MPI/DP (RS485), 12 Mbit/s
  • Port 2: DP Master/Slave (RS485), 12 Mbit/s
• Max DP Slaves: 124 (as master)
• I/O Address Space: 8,192 bytes in / 8,192 bytes out
• Power Supply: 24 V DC (19.2–28.8 V)
• Current Consumption: 870 mA (nominal)
• Power Dissipation: 4.5 W (typical)
• Dimensions (W×H×D): 40 × 125 × 130 mm
• Weight: ~0.4 kg
• Operating Temp: 0 °C to +60 °C
• Certifications: CE, UL, RoHS, ATEX Zone 2, C1D2

Key Features

1. Dual PROFIBUS DP Ports: Simultaneous MPI programming + DP master/slave communication.
2. Large 1 MB Memory: Handles complex programs, data logging, and communication tasks.
3. High-Speed Processing: Fast instruction execution for real-time control.
4. MMC Card Required: For program storage, data backup, and firmware updates.
5. Diagnostic LEDs: SF (system fault), BF (bus fault), RUN/STOP indicators.
6. Real-Time Clock: With battery-backed MMC for time-stamped data.

Applications

• S7-300 High-End Systems: Main controller for medium-to-large automation projects.
• Factory Automation: Assembly lines, machine tools, packaging, material handling.
• Process Control: Chemical, water/wastewater, food & beverage, pharmaceutical.
• Distributed I/O: PROFIBUS DP networks with remote I/O and slave devices.
• Legacy System Upgrades: Replacement for older S7-300 CPUs in existing plants.