PLC | Siemens | 6FC5348-0AA02-0AA0 6FC5 348-0AA02-0AA0 double fan/battery module

Product Description: Siemens 6FC5348-0AA02-0AA0

The Siemens 6FC5348-0AA02-0AA0 is a PowerLine NCU 572.3 module serving as the central processor in SINUMERIK 840D and 810D CNC control cabinets. It features a 333 MHz Pentium-class CPU and 32 MB of SDRAM to execute real-time motion interpolation, PLC logic, and HMI tasks. With on- board NC program memory of 3 MB and PLC work memory of 128 KB, it stores part programs and user logic locally. An integrated PROFIBUS DP interface (master/slave, up to 12 Mbit/s) enables high-speed communication to drives, distributed I/O, and peripheral devices. Powered by 24 V DC, the module is designed for reliable operation in industrial environments requiring robust CNC control.

Key Features

• Processor: 333 MHz Pentium-class CPU
• System Memory: 32 MB SDRAM for CNC, PLC, and HMI tasks
• NC Memory: 3 MB onboard for part programs
• PLC Memory: 128 KB for user logic
• Fieldbus Interface: PROFIBUS DP master/slave port (up to 12 Mbit/s)
• Scalability: Controls up to 31 axes/spindles with appropriate expansions
• Diagnostics: Onboard LEDs and status registers for fault and performance monitoring
• Software Compatibility: SINUMERIK 840D/810D system software V6.x, STEP 7 for PLC
• Cooling & Mounting: Passive convection cooling; plug-in card for PowerLine rack

Technical Specifications

• CPU: 333 MHz Pentium-class processor
• SDRAM: 32 MB
• NC Program Memory: 3 MB
• PLC Work Memory: 128 KB
• PROFIBUS DP Interface: Master/slave, up to 12 Mbit/s
• Maximum Axes/Spindles: Up to 31 (with expansions)
• Supply Voltage: 24 V DC (19.2 … 28.8 V DC)
• Power Consumption: ≈ 20 W
• Protection Class: IP20 (cabinet-mounted)
• Operating Temperature: 0 °C … +55 °C
• Dimensions (W × H × D): 214 mm × 107 mm × 28 mm
• Weight: ≈ 0.7 kg

Application Areas

• Central CNC processing for milling, turning, grinding, and multi-task machines
• Integration into SINUMERIK 840D/810D PowerLine cabinets for high-precision control
• Retrofit or new-build installations requiring robust PROFIBUS DP connectivity
• Systems demanding real-time motion control and PLC integration

Advantages

• Balanced Performance: 333 MHz CPU and 32 MB RAM deliver smooth machining and fast cycle times
• Fieldbus Integration: Native PROFIBUS DP support simplifies system architecture
• Scalable Control: Supports up to 31 axes, meeting complex multi-axis requirements
• Reliable Design: Passive cooling and industrial-grade components ensure long-term uptime
• Compact Form Factor: Slim plug-in module conserves rack space and eases maintenance