Description
The Siemens 6ES7314-6CF02-0AB0 CPU 314C-2 DP is a compact controller engineered for mid-to-high-range industrial automation systems. By combining standard PLC processing capabilities with integrated digital and analog signal points, it provides an all-in-one solution that minimizes panel space and reduces hardware integration costs.
Main Features
This CPU incorporates 24 digital inputs, 16 digital outputs, 4 analog inputs, 2 analog outputs, and 1 dedicated Pt100 RTD input directly on the module base. It features an MPI interface for local programming and communication alongside an onboard PROFIBUS DP interface operating as a master or slave. It supports integrated high-speed technological functions including high-speed counters, frequency measurement, period measurement, pulse width modulation (PWM), and closed-loop PID control.
Benefits
The integrated multi-channel digital and analog I/O configuration allows systems to operate without requiring extra expansion modules for standard field signals. Work memory expansion is managed using a Siemens Micro Memory Card (MMC), ensuring non-volatile retentive data storage and backup without requiring a maintenance battery.
Applications
The CPU 314C-2 DP is suited for automated machinery, process systems, and manufacturing lines. Common applications include packaging equipment, textile machinery, conveyor systems, HVAC control, food and beverage processing, and water management infrastructure.
Key Features
- Compact CPU with integrated digital and analog inputs/outputs.
- Onboard I/O: 24 Digital Inputs, 16 Digital Outputs, 4 Analog Inputs, 2 Analog Outputs, and 1 Pt100 input.
- Dual communication interfaces: Integrated MPI and PROFIBUS DP (Master/Slave).
- Integrated high-speed technological functions (counters, frequency/period measurement, PWM, PID control).
- Operates using a Siemens Micro Memory Card (MMC) for program storage and retentive data backup.
- High processing speed for reliable execution of complex control sequences.
- Compact DIN-rail mount design for space-saving control cabinet setups.
Technical Specifications Table
| Specification | Details |
| Brand | Siemens |
| Model | 6ES7314-6CF02-0AB0 |
| Product Type | SIMATIC S7-300 Compact CPU (CPU 314C-2 DP) |
| Work Memory | 48 KB (retentive without battery using MMC) |
| Onboard Digital I/O | 24 DI / 16 DO (24V DC) |
| Onboard Analog I/O | 4 AI / 2 AO / 1 Pt100 RTD Input |
| Interfaces | 1 x MPI, 1 x PROFIBUS DP (Master/Slave) |
| Rated Voltage | 24V DC (20.4 to 28.8 V DC) |
| Rated Current | Max. 1 A |
| Power/Capacity | Power loss approx. 14 W |
| Frequency | Not specified by manufacturer |
| IP Rating | IP20 |
| Warranty | Standard Manufacturer Warranty |
Frequently Asked Questions (FAQ)
Q: What onboard inputs and outputs are integrated into the CPU 314C-2 DP?
A: The CPU comes with 24 digital inputs (24V DC), 16 digital outputs (24V DC), 4 analog inputs, 2 analog outputs, and 1 Pt100 RTD temperature sensor input.
Q: Does the 6ES7314-6CF02-0AB0 require a memory card to operate?
A: Yes, Siemens S7-300 compact CPUs require a SIMATIC Micro Memory Card (MMC) to hold the user program and system data.
Q: What communication ports are available on this module?
A: It features two onboard communication ports: one multi-point interface (MPI) port and one PROFIBUS DP interface (configurable as DP Master or DP Slave).
Q: Does this CPU require a backup battery for data retention?
A: No, system data and program retention are maintained on the SIMATIC MMC without needing a backup battery.
Q: What technological functions are built directly into this CPU?
A: It features built-in high-speed counting, frequency and period measurement, pulse width modulation (PWM), and PID control loops.


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