Product Overview
Technical Summary
| Product type | CPU 1212C DC/DC/relay |
|---|---|
| Digital inputs | 8; Integrated |
| Digital outputs | 6; Relays |
| Analog inputs | 2; 0 to +10 V |
| Analog outputs | 0 |
| Supply | 24 V DC; permissible range 20.4 V to 28.8 V |
| PROFINET interfaces | 1; isolated; RJ 45 |
| Work memory | 50 kbyte |
| Load memory | 1 Mbyte |
| Programming package | STEP 7 V11 SP2 or higher |
| Mounting positions | All mounting positions; up to 40 °C, max. 8 |
| Protection | IP20 |
Key Features
8 digital inputs, 6 relay digital outputs rated up to 2 A with resistive load, and 2 analog inputs for 0 to +10 V.
50 kbyte integrated work memory and 1 Mbyte integrated load memory.
24 V DC supply with a permissible range of 20.4 V to 28.8 V.
1 isolated PROFINET interface with RJ 45, automatic transmission-rate detection, autonegotiation, and autocrossing.
Programming package: STEP 7 V11 SP2 or higher.
IP20 degree of protection; product lifecycle is at the start of the final year of support.
Frequently Asked Questions
What is the exact product variant?
The exact product is Siemens 6ES7212-1HE31-0XB0, product type CPU 1212C DC/DC/relay.
What I/O is integrated?
It has 8 integrated digital inputs, 6 relay digital outputs, and 2 analog inputs for 0 to +10 V. It has 0 analog outputs.
What supply does this CPU require?
The supply is 24 V DC, with a permissible range of 20.4 V to 28.8 V.
Which interface and engineering package are supported?
It has 1 isolated PROFINET interface with RJ 45 and supports STEP 7 V11 SP2 or higher.
