Technical Summary
| Product type designation | CPU 1211C DC/DC/relay |
|---|---|
| Lifecycle | Start of final year of support |
| Power supply | 24 V DC |
| Permissible supply range | 20.4 V to 28.8 V |
| Input current, typical | 300 mA; Typical |
| Input current, max. | 0.9 A; 24 V DC |
| Program/data memory | 30 KB |
| Work memory | 30 kbyte |
| Load memory | 1 Mbyte |
| Digital inputs | 6; Integrated |
| Digital outputs | 4; Relays |
| Analog inputs | 2 |
| PROFINET interfaces | 1 |
| Interface type | PROFINET |
| Interface connector | RJ 45 (Ethernet) |
| IP degree of protection | IP20 |
Applications
PROFINET IO Controller communication for networked control tasks.
Use the integrated 6 DI, 4 DO, and 2 AI for direct signal handling.
Switch resistive and lamp loads with the 4 relay outputs.
Key Features
Compact CPU in the SIMATIC S7-1200 family with DC/DC/relay configuration.
6 DI 24 V DC, 4 DO relay 2 A, and 2 AI 0-10 V DC.
1 PROFINET interface with RJ 45 (Ethernet), autonegotiation, autocrossing, and automatic detection of transmission rate.
30 kbyte work memory, 1 Mbyte load memory, and maintenance-free backup without battery.
Start of final year of support.
Frequently Asked Questions
What is Siemens 6ES7211-1HE31-0XB0 exactly?
It is a SIMATIC S7-1200 CPU 1211C DC/DC/relay.
What is the power supply range for this CPU?
24 V DC, with a permissible range of 20.4 V to 28.8 V.
How many onboard I/O points does it have?
It has 6 digital inputs, 4 digital outputs, and 2 analog inputs.
Which communication interface is built in?
It has 1 PROFINET interface with RJ 45 (Ethernet).
What lifecycle status is supplied for this order number?
Start of final year of support.
