Product Introduction
With 50 KB work memory and a compact footprint, the Siemens 6ES7211-1AE40-0XB0 CPU 1211C delivers reliable performance for small to medium automation tasks. This DC/DC/DC unit features 6 digital inputs, 4 digital outputs, and 2 analog inputs, making it a cost-effective core for your control system. Part of the SIMATIC S7-1200 family, the 6ES7211-1AE40-0XB0 is engineered for long-term value and reduced total cost of ownership.
Technical Specifications
The Siemens 6ES7211-1AE40-0XB0 offers essential specifications for precise control:
| Parameter |
Value |
| Supply Voltage |
DC 20.4 V to 28.8 V |
| Digital Inputs |
6 (24 V DC) |
| Digital Outputs |
4 (24 V DC, 0.5 A) |
| Analog Inputs |
2 (0–10 V) |
| Work Memory |
50 KB |
| Load Memory |
1 MB integrated |
| PROFINET Interface |
1 port, 100 Mbit/s |
| Power Loss |
8 W typical |
| Dimensions (WxHxD) |
90 x 100 x 75 mm |
These specs ensure reliable operation in demanding industrial environments, contributing to lower downtime and energy savings.
Installation & Setup Guidance
Mount the Siemens 6ES7211-1AE40-0XB0 on a standard DIN rail or use wall mounting (with 2 g vibration resistance). Wire the 24 V DC power supply to the dedicated terminals, observing reverse polarity protection. Connect digital inputs (sink/source) and analog inputs (twisted shielded cable, max 100 m). Configure the CPU using STEP 7 V14 or higher via the PROFINET port. The compact design allows up to 3 communication modules and 1 signal board for expansion.
Compatibility & Integration
The 6ES7211-1AE40-0XB0 integrates seamlessly into PROFINET networks as an IO Controller or Device. It supports open IE communication (TCP/IP, ISO-on-TCP, UDP) and MODBUS. Use CM 1243-5 for PROFIBUS or CM 1243-2 for AS-Interface. The web server enables remote monitoring. This versatility reduces integration costs and future-proofs your system.
Selection Guide & Purchasing Advice
Before purchasing, verify your power supply requirements (20.4–28.8 V DC) and memory needs (50 KB work memory). The 6ES7211-1AE40-0XB0 is ideal for standalone or distributed control. For genuine parts and reliable supply, consider ubest101 as your trusted source. Always check firmware compatibility (V4.2) with your engineering software.