Performance Levels in Circuit Architecture

How many Performance Levels are defined in the ISO 13849 standard?

• PL a

• PL b

• PL c

• PL d

Which Performance Level has the highest error probability?

• PL a

• PL b

• PL c

• PL e

Which Performance Level has the lowest error probability?

• PL a

• PL b

• PL d

• PL e

What determines the Performance Level?

• MTTFd and DC

• Circuit architecture

• EN 954-1 categories

• Both A and B

Which category in EN 954-1 is similar to Performance Level B?

• Category 1

• Category 2

• Category 3

• Category 4