Safety-PLC (EN)

Safety-PLC

Safety-PLC is a programmable logic controller that is specifically developed for safety-critical applications. It meets the requirements of Safety Integrity Levels (SIL) and ensures safe system behavior in case of failure. Safety-PLCs are used in safety-critical applications such as the process industry or in railway systems.

Architecture

flowchart TD   A[Sensors] --> B[Safety-PLC]   C[Actuators] --> B   B --> D[Safety-Monitoring]   D --> E[Emergency Stop Circuit]   B --> F[Standard PLC]   F --> G[Control System]   B --> H[Human-Machine Interface] 

In Context

• Typically used together with Safety-Bus systems and Safety-Relays
• Related to: SIL, PLr, Safety-Instrumented Systems (SIS)
• Example application: Control of emergency stop systems in production facilities