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2.8.7 Switches and relays' r. Q0 B- t' m
A switch in a SAFETY INTERLOCK system shall:6 i& Q! Y( q* |+ x% j3 q' P& r
− conform to IEC 61058-1, with evaluation for 10 000 operating cycles in accordance with
8 Y5 p5 Z: g. \* E$ b6 I& {6 R( J7.1.4.4 of IEC 61058-1; or; N1 J* \. ]/ r( l( R$ N* |
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
* S# G9 X6 O$ v. h& s5 R- H− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
' R+ }8 ?, @& [0 bA relay in a SAFETY INTERLOCK system shall:5 }7 P% D3 F5 t4 ]% O
− comply with 2.8.7.1 and pass the tests of 2.8.7.3 and 2.8.7.4; or
5 Y$ U( G6 n/ c4 `; i− pass the tests of 2.8.7.2, 2.8.7.3 and 2.8.7.4.
: X1 e( t% X mCompliance is checked by inspection and by the relevant tests of 2.8.7.1 to 2.8.7.4.# @8 U# H. { d# B- d) I4 k
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这一章节只是针对RELAY 是SAFETY INTERLOCK system 里的要求吧? 个人认为用在primary且是FUSE后(还有用在secondary)的话就没有距离要求了, 用在跨接primary, secondary就按照2.10.3的距离要求了.. 之前有遇见relay用在FUSE后的情况, 是么有要求距离的. |
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