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Case study · Functional safety

B&R X20 Safety, openSAFETY and SISTEMA calculations

Functional safety is a separate and important part of machine automation. It is not enough for the machine to run; safety functions must be defined, implemented, checked and documented properly. For B&R systems, the focus is on X20 Safety, openSAFETY and SISTEMA calculations.

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B&R X20 Safety and SISTEMA calculation for safety functions
Platform
B&R X20 Safety
Communication
openSAFETY
Evidence
SISTEMA / PL
Area
industrial machines

Challenge

Safety functions often combine several conditions: E-stop, doors, light curtains, two-hand control, drive enables, pneumatics, service modes and safe stopping. If they are not structured clearly, commissioning becomes slower, documentation becomes unclear and later validation is difficult.

separation of standard PLC logic and safety logic
clearly defined safety functions and system boundaries
need for documented Performance Level calculation

Solution

Bcode treats safety as a dedicated technical area: function definition, safety component selection, implementation of X20 Safety logic, signal checks and preparation of data for SISTEMA calculation. The goal is a solution that is clear for the programmer, electrical designer and machine validation process.

B&R X20 Safety configuration and safe I/O
openSAFETY communication and diagnostics
SISTEMA calculation, documentation and pre-commissioning checks

Practical value

A well-prepared functional safety concept reduces risk during commissioning and service. The safety logic is easier to understand, machine reactions are clearer and the documentation remains useful for later modifications or upgrades.

clearer safety conditions for operators and service
better basis for safety function validation
less ambiguity during machine or component changes

Concrete result

1

Safety functions are defined separately from the normal automatic cycle and clearly connected to machine conditions.

2

B&R X20 Safety configuration provides a clear overview of safe signals, enables and machine reactions.

3

SISTEMA calculation supports documented Performance Level evaluation for key safety functions.

4

Commissioning and later service are easier because safety conditions are understandable and verifiable.

Do you need functional safety or SISTEMA calculation?

Send a description of the machine, safety functions, sensors, actuators and PLC/Safety hardware. We can prepare a practical next step.

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