6ES7313-5BE00-0AB0 All-in-One Compact PLC CPU | Siemens
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All-in-One Compact CPU with Integrated I/O and High-Speed Counters
The Siemens 6ES7313-5BE00-0AB0 CPU 313C is a powerful, space-saving automation solution. It combines a full-featured CPU, digital/analog I/O, and high-speed counters in one compact unit. Perfect for standalone machines with demanding requirements like counting, measuring, and PID control, all without extra expansion modules.
Complete Technical Specifications
Manufacturer: Siemens
Product Line: SIMATIC S7-300
Product Type: Compact CPU 313C
Full Order Number: 6ES7313-5BE00-0AB0
Supply Voltage: 24V DC (20.4V - 28.8V)
Integrated Working Memory: 32 KB
Load Memory: Micro Memory Card (MMC) required, up to 4 MB
Integrated Digital Inputs: 24, 24V DC, configurable filter (0.1ms to 15ms)
Integrated Digital Outputs: 16, 0.5A each, short-circuit protected
Integrated Analog Inputs: 4 channels (Voltage/Current) + 1 channel (Pt100/Resistance)
Integrated Analog Outputs: 2 channels (Voltage/Current)
Analog Resolution: 12-bit
Integrated High-Speed Counters: 3 counters, up to 30 kHz
Pulse Outputs: 3 outputs, up to 2.5 kHz
Communication Interface: MPI (up to 187.5 kbit/s, 8 connections)
Expansion Capability: Can connect up to 3 expansion modules (SM)
Real-Time Clock: Yes
Programming Software: STEP 7 V5.1 SP2 or higher
Dimensions (W x H x D): 120 mm x 125 mm x 130 mm
Weight: Approx. 660 g
Installation & Wiring Guide
Mount the CPU 313C on a standard DIN rail. Connect the 24V DC power supply to the dedicated terminals. The integrated I/O points are accessed via the attached front connector. For high-speed counting, use the designated digital inputs (with 16 µs filter). Connect your analog sensors and actuators directly to the screw terminals. A Micro Memory Card (MMC) is mandatory for operation to store your program.
Warranty & Shipping
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Expert FAQs
Q: Can I expand this CPU with additional I/O modules?
A: Yes, despite its integrated I/O, you can add up to 3 additional signal modules (SM) for digital or analog I/O to the right of the CPU on the DIN rail.
Q: What is the advantage of the integrated high-speed counters?
A> They operate independently of the CPU's scan cycle, allowing precise counting of fast pulses from encoders or sensors for tasks like length measurement or rotary speed monitoring without missing counts.
Q: How do I program the PID control function?
A> You use standard PID control blocks (e.g., FB41 "CONT_C") provided in the STEP 7 library. These blocks use the CPU's integrated processing power to execute the control algorithm.
Q: Is the Pt100 input isolated?
A> The analog I/O (including the Pt100 input) has potential separation from the CPU's backplane bus, but the analog channels themselves share a common reference (MANA).
Q: Can it be a PROFIBUS-DP master or slave?
A> No, this model only has an MPI interface. For PROFIBUS-DP networking, you would need to add a separate communication module (CP) or choose a different CPU model (like the 314C-2 DP).
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