BECKHOFF TwinSAFE User Manual

Page 75

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Circuit examples

Application Guide TwinSAFE

73

with:

ܯܶܶܨ

ሺS1ሻ ൌ

ܤ10

ሺܵ1ሻ

0.1 כ ݊

௢௣

ܯܶܶܨ

ሺS2ሻ ൌ

ܤ10

ሺܵ2ሻ

0.1 כ ݊

௢௣

ܯܶܶܨ

ሺLockሻ ൌ

ܤ10

ሺܮ݋ܿ݇ሻ

0.1 כ ݊

௢௣

ܯܶܶܨ

ሺUnlockሻ ൌ

ܤ10

ሺܷ݈݊݋ܿ݇ሻ

0.1 כ ݊

௢௣

ܯܶܶܨ

ሺTumblerሻ ൌ

ܤ10

ሺܵ4ሻ

0.1 כ ݊

௢௣

ܯܶܶܨ

ሺK1ሻ ൌ

ܤ10

ሺܭ1ሻ

0.1 כ ݊

௢௣

If only PFH values are available for EL1904 and EL6900, the following estimation applies:

ܯܶܶܨ

ሺELxxxxሻ ൌ

ሺ1 െ ܦܥሺܧܮݔݔݔሻሻ

ܲܨܪሺܧܮݔݔݔሻ

Hence:

ܯܶܶܨ

ሺEL1904ሻ ൌ

൫1 െ ܦܥሺܧܮ1904ሻ൯

ܲܨܪሺܧܮ1904ሻ

ሺ1 െ 0.99ሻ

1.11E െ 09

כ 8760

0.01

9.72E െ 06

ൌ 1028.8y

ܯܶܶܨ

ሺEL6900ሻ ൌ

ሺ1 െ ܦܥሺܧܮ6900ሻሻ

ܲܨܪሺܧܮ6900ሻ

ሺ1 െ 0.99ሻ

1.03E െ 09

כ 8760

0.01

9.02E െ 06

ൌ 1108.6y

ܯܶܶܨ

ሺEL2904ሻ ൌ

ሺ1 െ ܦܥሺܧܮ2904ሻሻ

ܲܨܪሺܧܮ2904ሻ

ሺ1 െ 0.99ሻ

1.25E െ 09

כ 8760

0.01

1.1E െ 05

ൌ 913.2y

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