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Front view of Siemens 6ES7212-1HF40-0XB0 CPU module showing label and connection ports
SiemensPLC CPUs & Controllers

Siemens 6ES7212-1HF40-0XB0 SIMATIC S7-1200 Fail-Safe CPU Inquiry

This entry details the Siemens SIMATIC S7-1200 CPU 1212FC, a compact fail-safe controller designed for safety applications. The unit features integrated digital and analog inputs alongside relay outputs for direct control tasks.

Quick Facts

Part number
6ES7212-1HF40-0XB0
Brand
Siemens
Category
PLC CPUs & Controllers
Product type
Fail-safe CPUs
Lifecycle
Active Product
Dimensions
10.6 x 10.1 x 8.5 cm
Net weight
0.32 Kg
Source category
Fail-safe CPUs

Product Overview

The Siemens 6ES7212-1HF40-0XB0 belongs to the SIMATIC S7-1200 family, specifically categorized as a fail-safe CPU within the automation technology sector. This model supports safety-oriented logic execution alongside standard control functions.

Designed as a compact central processing unit, it integrates eight digital inputs operating at 24 V DC and six digital outputs utilizing relay contacts rated for 2 A. Two analog inputs accept signals ranging from 0 to 10 V DC.

Technical Review Notes

  • Power supply requirements are specified as DC 20.4 to 28.8 V DC, ensuring stable operation within defined voltage tolerances for industrial environments.
  • Program and data memory capacity is recorded at 150 KB, providing sufficient storage for control logic and variable data handling.
  • Onboard input configuration includes eight discrete channels for 24 V DC signals, allowing direct connection to standard field devices.
  • Output stages consist of six relay contacts capable of switching loads up to 2 A, listed for various actuator connections.
  • Analog signal processing is handled by two channels accepting voltage inputs between 0 and 10 V DC for sensor integration.
  • Physical dimensions are listed as 10.6 cm by 10.1 cm by 8.5 cm, with a net weight of 0.32 kg for mounting considerations.

Model Identification

  • The part number 6ES7212-1HF40-0XB0 identifies this specific variant within the S7-1200 product line under the fail-safe CPU classification.
  • Brand attribution is assigned to Siemens, indicating the manufacturer responsible for the design and production of this automation component.
  • Lifecycle status is documented as Active Product, confirming current production status without reference to future discontinuation schedules.
  • Category placement falls under PLC CPU Controllers, aligning with broader industrial automation classification structures for central processing units.

Technical Parameters

Product typeFail-safe CPUs
LifecycleActive Product
Dimensions10.6 x 10.1 x 8.5 cm
Net weight0.32 Kg
Source categoryFail-safe CPUs

Parameters are factual source fields retained for model review.

Parameter Review

  • Verify the DC power supply range matches the 20.4 to 28.8 V DC specification before initiating any electrical connections.
  • Confirm that the eight digital inputs align with your 24 V DC field device voltage levels for proper signal detection.
  • Check relay output ratings against load requirements to ensure the 2 A capacity meets your actuator switching needs.
  • Review analog input specifications to confirm application context with 0 to 10 V DC sensor signals in your application.
  • Assess the 150 KB memory allocation to determine if it suffices for your program size and data logging requirements.

Catalog Classification

Automation technology / S7-1200 / Central processing units / Fail-safe CPUs

Image & Label Review

  • Inspect the front panel labeling to ensure the part number 6ES7212-1HF40-0XB0 is clearly visible and legible.
  • Examine the terminal block area for any signs of physical damage or corrosion on the connection points.
  • Check the LED indicators on the module face to verify their presence and condition for status monitoring.
  • Review the overall housing integrity to confirm the compact form factor dimensions match the recorded 10.6 x 10.1 x 8.5 cm.

Product Image Gallery

Front view of Siemens 6ES7212-1HF40-0XB0 CPU module showing label and connection ports

Inquiry Preparation

  • Prepare detailed project documentation outlining the specific safety functions required for the fail-safe CPU application.
  • Compile a list of connected field devices to verify alignment with the eight digital inputs and six relay outputs.
  • Document the existing power supply characteristics to ensure compliance with the 20.4 to 28.8 V DC input range.
  • Gather memory usage estimates from previous projects to assess if the 150 KB capacity meets future expansion plans.

Category Context

This unit resides within the Automation technology domain, specifically under the S7-1200 series of programmable controllers.

It is classified under Central processing units, focusing on the core computational capabilities for industrial control systems.

The fail-safe CPU designation indicates specialized hardware for executing safety-related logic alongside standard process control tasks.

Review Notes

  • Cross-reference the technical specifications with your system design documents to ensure all interface requirements are met.
  • Validate the physical dimensions against your control cabinet layout to confirm adequate space for installation and ventilation.
  • Review the power consumption data to ensure your power distribution network can support the 24 V DC load.
  • Confirm that the analog input resolution and range align with the precision requirements of your connected sensors.

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