Product Overview
When you need a compact yet powerful CPU for precise machine control, the Siemens 6ES7214-1HG31-0XB0 SIMATIC S7-1200 CPU 1214C delivers exceptional performance. This DC/DC/Relay version integrates 14 digital inputs (24V DC), 10 relay outputs (2A), and 2 analog inputs (0-10V DC) onboard, reducing external wiring and panel space. With 75 KB of work memory and a fast processing speed of 0.085 µs per bit operation, the 6ES7214-1HG31-0XB0 handles demanding logic and motion tasks efficiently.
Technical Specifications
The Siemens 6ES7214-1HG31-0XB0 excels with these key parameters, selected from the product datasheet:
| Parameter |
Value |
| Work memory |
75 kbyte (integrated, non-expandable) |
| Load memory |
4 Mbyte (integrated) |
| Digital inputs / outputs |
14 DI (24V DC) / 10 DO (relay, 2A) |
| Analog inputs |
2 AI (0-10V DC, 10-bit resolution) |
| PROFINET interface |
Yes (Ethernet, isolated, autonegotiation) |
| Power supply |
20.4 to 28.8V DC (rated 24V) |
| Power loss typical |
12 W |
| Operating temperature |
-20°C to +60°C (horizontal), -20°C to +50°C (vertical) |
| Dimensions (WxHxD) |
110 x 100 x 75 mm |
| Weight |
Approx. 435 g |
These specifications ensure reliable operation in industrial environments, with 500V AC isolation for digital inputs and EMC compliance per IEC 61000-4-2/4/5/6.
Industry Applications
The compact design of the Siemens 6ES7214-1HG31-0XB0 makes it ideal for use in packaging lines, conveyor systems, and small material handling units. Its integrated high-speed counters (6 total, up to 100 kHz) support precise positioning, while the PID controller handles temperature or flow regulation. The 14 digital inputs and 10 relay outputs simplify interfacing with sensors and actuators, reducing total cost of ownership.
Compatibility & Integration
The Siemens 6ES7214-1HG31-0XB0 communicates via PROFINET (as IO Controller), supporting TCP/IP, MODBUS, and S7 communication. It also works with PROFIBUS and AS-Interface through additional modules. The CPU can be expanded with up to 3 communication modules, 1 signal board, and 8 signal modules, offering flexibility for growing automation needs.
Selection Guide & Purchasing Advice
When ordering the Siemens 6ES7214-1HG31-0XB0, verify your DC power supply is within 20.4 to 28.8 V and that your programming environment is STEP 7 V11 SP2 or higher. For reliable sourcing and competitive pricing, visit ubest101 on Shopify. Ensure you have a memory card for load memory backup (4 MB integrated) and appropriate shielded cables for analog inputs (max 100 m twisted pair).