PLC | Siemens | SIMATIC S7-1200 CPU 1212C 6ES7 212-1HE40-0XB0 6ES7212-1HE40-0XB0

Product Description
The Siemens 6ES7212-1HE40-0XB0 is a compact CPU module from the SIMATIC S7-1200 series, designed for small to medium automation applications. It features integrated digital and analog I/O, an onboard PROFINET interface, and modular expandability for additional communication and signal modules. With its high-performance instruction set, flexible configuration options, and user-friendly programming via TIA Portal, the CPU 1212C is ideal for cost-effective and scalable machine control solutions.

Key Features
Integrated digital I/O:

8 digital inputs (24 V DC)

6 relay outputs (2 A each)

Integrated analog I/O:

2 analog inputs (0–10 V DC)

Program/data memory: 100 KB total

Communication:

1 × PROFINET (Ethernet) port

Expandability:

Supports up to 2 signal modules and 3 communication modules

Real-time clock: Integrated

Built-in diagnostics: For I/O and communication status

Programming: TIA Portal (STEP 7 Basic/Professional)

Technical Specifications
Parameter Value
Supply Voltage 24 V DC (20.4 … 28.8 V DC)
Digital Inputs 8 channels, 24 V DC
Digital Outputs 6 relay outputs, 2 A per channel
Analog Inputs 2 channels, 0–10 V DC
Program/Data Memory 100 KB
PROFINET Interface Yes, 1 port
Real-Time Clock Integrated
Dimensions (W × H × D) 90 mm × 100 mm × 75 mm
Weight Approx. 0.31 kg
Protection Class IP20
Operating Temperature Range –20 °C to +60 °C
Mounting DIN rail or panel mount

Applications
Small machine automation and control

HVAC and building management systems

Conveyor and material handling systems

Distributed I/O systems using PROFINET

OEM automation requiring compact, modular PLCs

Advantages
All-in-one solution with digital and analog I/O

Compact footprint saves panel space

Expandable for growing control needs

Seamless integration into PROFINET networks

Easy to program and maintain via TIA Portal