Product Overview
The Siemens 6ES7214-1BD23-0XB0 is a compact CPU 224 unit from the SIMATIC S7-200 family, designed for reliable and flexible control in small to medium automation systems. This AC-powered module combines 14 digital inputs and 10 relay outputs, 12 KB program memory, 8 KB data memory, and PROFIBUS DP extension capability, making it a versatile choice for upgrading or replacing older PLC systems.
Technical Specifications
Key performance parameters of the Siemens 6ES7214-1BD23-0XB0 ensure dependable operation across various industrial environments:
| Parameter |
Value |
| Supply Voltage (AC) |
120 V AC / 230 V AC |
| Line Frequency (max) |
63 Hz |
| Load Voltage L+ (DC rated) |
24 V DC |
| Digital Inputs |
14 (24 V DC) |
| Digital Outputs |
10 relay (2 A max.) |
| Program Memory |
12 kbyte |
| Data Memory |
8 kbyte |
| CPU Bit Operation Time |
0.22 µs |
| S7 Counters / Timers |
256 each |
| Communication Interface |
MPI, PPI, PROFIBUS DP (via expansion) |
| Weight |
approx. 410 g |
| Protection Class |
IP20 |
Industry Applications
The Siemens 6ES7214-1BD23-0XB0 excels in applications requiring robust discrete control and moderate I/O count. Common use cases include conveyor systems, packaging machinery, water treatment control panels, and building automation subsystems. Its PROFIBUS DP capability enables integration into larger distributed networks, while the 14 DI / 10 DO relay configuration handles sensor and actuator control efficiently.
Compatibility & Integration
This CPU module supports MPI and PPI protocols for local programming and operator panel communication, and can be extended via PROFIBUS DP for network-based automation. It accepts up to 7 expansion modules, allowing flexible I/O scaling up to 168 digital I/O or 35 analog I/O. The Siemens 6ES7214-1BD23-0XB0 also works with AS-Interface for sensor/actuator level integration (max. 62 I/O).
Selection Guide & Purchasing Advice
Before purchasing the Siemens 6ES7214-1BD23-0XB0, verify your existing system's power requirements (AC supply) and ensure compatibility with your programming environment (STEP 7 Micro/WIN). For system integration, consider optional memory modules (1 slot) and backup battery (max. 100 h retention). For reliable supply of this and other industrial automation parts, PLC Source PRO (available at ubest101.myshopify.com) offers fast shipping and expert support.