Control level
OVERVIEW FUNCTIONAL SAFETY CONTROL UNIT
Functional safety
Industrial safety is defined by international standards such as IEC 61508, which provide tools and safety functions to assess risks and prevent danger. Compliance with safety standards is essential for ensuring human safety and protecting the environment. It applies to all industrial systems, including automated manufacturing, transportation, and the oil and gas industry.
In STMicroelectronics we offer not only a rich portfolio of smart and robust industrial ICs for safe applications. In addition to that, we gain from our engineering expertize in system design and the safety certification process enabling us to provide our customers with helpful and effective technical support. In fact, our safety-ready evaluation platforms such as STEVAL-SILPLC01 are officialy assessed by TÜV for compliance with SIL 2 requirements.
STEVAL-FSM01M1: Brand new safe digital I/O module powered by ST
Our brand new evaluation board STEVAL-FSM01M1 is a safe dual channel digital I/O module compatible with the STM32 Nucleo boards. Its system architecture reflects our long-term experience with designing digital I/O applications to reach the highest-grade robustness and to meet the requirements on reliability of operation in the most challenging industrial environments such as factory automation and functional safety.
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Wide evaluation options for all onboard ST components
Designed for safety-critical automation
Runtime control of IC features (cut-off limitation, test pulses)
Onboard ADC allows automatic system integrity verification
Safety controller - System structure & key ICs
Power Management
Processing
STM32
MCU / MPU
X-CUBE-STL
Embedded Safety
Library
EMC & Protection
STL42P6LLF6
Reverse Polarity
Protection
SM15T
Overvoltage
Protection
Control unit
Programmable Logic Controllers (PLCs) are the key application enabling factories to operate in an automated way. PLC is typically built up as a modular system consisting of several blocks, such as control unit (often called central processing unit, CPU) and multiple Input / Output or other function modules (expansion modules). Control unit communicates with the expansion modules over a dedicated and usually a customer-specific bus called backplane interface.
The following ST product families open new application possibilities for designers through state-of-the-art technologies:
- Smart industrial input
- Smart industrial output
- I/Os for safe-ready automation
- MCUs and MPUs
- Devices for serial connectivity
- Protections
- Power management
ISO808: Embedded Isolation & Enhanced robustness
Interface
Traditional parallel or SPI (20MHz) with daisy-chaining reducing signal count
Diagnostics
Over-temperature, under-voltage, 24V supply monitor
Efficiency
Power stage with low ON resistance (125mΩ) for low dissipation
Immunity
Proven technology & large silicon size for highest robustness and EOFF (> 2J)
Key products
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