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Compact PLC Controller for Small to Medium-Scale Automation
The 6ES7214-1BG31-0XB0 functions as a compact CPU within the SIMATIC S7-1200 controller family . This unit integrates 14 digital inputs, 10 relay outputs, and 2 analog inputs directly onboard . It operates on a wide AC power supply ranging from 85 to 264 V at 47 to 63 Hz . Consequently, this CPU suits diverse applications like packaging machinery, conveyor systems, and HVAC control . Furthermore, this model uses a relay output type, making it ideal for switching AC loads directly.
Technical Specifications
The table below details the key technical parameters for the 6ES7214-1BG31-0XB0 CPU module.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Product Type | Compact PLC CPU |
| Series | SIMATIC S7-1200 |
| Model | CPU 1214C AC/DC/Relay |
| Supply Voltage | 85 to 264 V AC, 47 to 63 Hz |
| Program/Data Memory | 75 KB |
| Load Memory | 4 MB integrated |
| Digital Inputs | 14 (24 V DC) |
| Digital Outputs | 10 (Relay, 2 A) |
| Analog Inputs | 2 (0 to 10 V DC) |
| Processing Speed (Bit) | 0.085 µs/instruction |
| Processing Speed (Word) | 1.7 µs/instruction |
| Processing Speed (Float) | 2.5 µs/instruction |
| Real-Time Clock Backup | 480 hours (typical) |
| Dimensions (W x H x D) | 110 mm x 100 mm x 75 mm |
| Weight | Approx. 0.47 kg |
| Protection Rating | IP20 |
| Communication | 1x PROFINET (Ethernet) |
Expansion and System Integration
The 6ES7214-1BG31-0XB0 allows flexible system expansion to meet growing application demands. You can add up to 8 signal modules, 1 signal board, and 3 communication modules to this CPU . It provides a retentive data area of up to 10 KB, ensuring critical data remains intact during power cycles . Moreover, six of the digital inputs support high-speed counting up to 100 kHz for precise motion monitoring . This CPU integrates seamlessly with the TIA Portal engineering framework, starting from STEP 7 V11 SP2 . Please note that several sources indicate this specific model may be discontinued, with the successor being 6ES7214-1BG40-0XB0 .