Key Features
- CPU 1211C DC/DC/relay: Product type designation: CPU 1211C DC/DC/relay.
- Integrated I/O: 6 DI 24 V DC, 4 DO relay 2 A, and 2 AI 0-10 V DC.
- Memory and backup: 75 kbyte integrated work memory, 1 Mbyte integrated load memory, backup present, without battery.
- PROFINET interface: 1 PROFINET interface with RJ 45 (Ethernet), isolated, autonegotiation, autocrossing, and automatic detection of transmission rate.
- Communication and server functions: PROFINET IO Controller, PROFINET IO device, SIMATIC communication, Open IE communication, web server, and OPC UA Server.
- Engineering package: Programming package: STEP 7 V20 or higher.
Applications
- Local I/O control: Processes 6 integrated digital inputs, 4 relay outputs, and 2 analog inputs.
- PROFINET network integration: Connects as a PROFINET IO Controller or PROFINET IO device over the integrated PROFINET interface.
- PLC communication and data access: Supports SIMATIC communication, S7 communication, Open IE communication, MODBUS, and OPC UA Server data access.
Technical Summary
| Product type designation | CPU 1211C DC/DC/relay |
|---|---|
| Firmware version | V4.7 |
| Programming package | STEP 7 V20 or higher |
| Power supply | 24 V DC |
| Permissible supply range | 20.4 V to 28.8 V |
| Current consumption, rated value | 300 mA; CPU only |
| Current consumption, max. | 900 mA; CPU with all expansion modules |
| Power loss, typ. | 8 W |
| Integrated work memory | 75 kbyte |
| Integrated load memory | 1 Mbyte |
| Number of digital inputs | 6; Integrated |
| Number of digital outputs | 4; Relays |
Frequently Asked Questions
What is the exact product type of Siemens 6ES7211-1HE40-0XB0?
It is a CPU 1211C DC/DC/relay for the SIMATIC S7-1200 range.
How much memory does this CPU provide?
It has 75 kbyte integrated work memory and 1 Mbyte integrated load memory.
What I/O is built into this CPU?
It includes 6 digital inputs, 4 relay outputs, and 2 analog inputs.
What communication interfaces and protocols are supported?
It has 1 PROFINET interface and supports PROFINET IO Controller, PROFINET IO device, SIMATIC communication, Open IE communication, MODBUS, S7 communication, and OPC UA Server.
What should be checked before selection?
Check the 24 V DC supply range, the STEP 7 V20 or higher programming package, and the required communication functions or I/O count.
