Product Overview
When it is time to upgrade from older PLCs, the Siemens 6ES7214-1BG31-0XB0 provides a powerful, compact solution. This SIMATIC S7-1200 CPU 1214C AC/DC/relay module integrates 14 digital inputs, 10 relay outputs, and 2 analog inputs into a single unit. Designed for modern control systems, it offers a seamless upgrade path with enhanced performance and connectivity.
The Siemens 6ES7214-1BG31-0XB0 replaces legacy controllers with its 75 KB work memory and 4 MB load memory, ensuring ample space for complex programs. Its integrated PROFINET interface enables fast communication with HMIs, drives, and other devices, reducing wiring and simplifying system architecture.
Technical Specifications
| Parameter |
Value |
| Supply Voltage (AC) |
85-264 V AC, 47-63 Hz |
| Current Consumption |
100 mA at 120 V AC; 50 mA at 240 V AC |
| Work Memory |
75 KB |
| Load Memory |
4 MB |
| Digital Inputs |
14 (24 V DC), 6 usable for HSC |
| Digital Outputs |
10 relay, 2 A each |
| Analog Inputs |
2 (0-10 V DC, 10-bit resolution) |
| Communication |
PROFINET, Modbus, PROFIBUS, AS-Interface |
| Operating Temperature |
-20 °C to 60 °C |
| Dimensions (W x H x D) |
110 x 100 x 75 mm |
| Weight |
Approx. 455 g |
Real-World Applications
The Siemens 6ES7214-1BG31-0XB0 excels in automated packaging lines, where its integrated high-speed counters track product flow, and its relay outputs drive actuators. In material handling, the module's PID control capabilities regulate conveyor speeds and sorting mechanisms. Its compact footprint also suits building automation for HVAC and lighting control, leveraging the onboard analog inputs for sensor feedback.
Compatibility and Integration
Engineered with a PROFINET interface, the Siemens 6ES7214-1BG31-0XB0 integrates seamlessly into existing networks. It supports Modbus TCP/IP for supervisory control and PROFIBUS for legacy field devices. The integrated web server enables remote diagnostics and parameter adjustment via standard browsers, reducing on-site visits. Up to 3 communication modules and 8 signal modules can be added for expanded I/O.
Selection Guide
When selecting the Siemens 6ES7214-1BG31-0XB0, verify your power supply supports 85-264 V AC and your STEP 7 software is V11 SP2 or higher. For larger applications, confirm compatibility with your existing modules. PLC Source PRO, operating through ubest101, stocks this CPU and can advise on accessories. Ensure adequate cabinet depth (≥75 mm) for mounting on DIN rail.