KROHNE SU 501 Ex, Руководство по эксплуатации

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l
F ull signal
C heck if all three switching conditions occur in the correct
sequence and the stated duration . I f not , there is a fault in the
measuring system ( see chapter " F ault recti fi cation " ).
N ote :
K eep in mind that the connected instruments are activated
during the function test . B y doing this , you can check the
correct function of the measuring system .
T est procedure A - mode B - mode
1 S imulation of a fault signal ( approx . 3 s )
L evel relay deenergised R elay control
lamp o ff
R elay control
lamp o ff
1 S imulation of a fault signal
F ailure lamp F ailure lamp
lights
F ailure lamp
lights
2 S imulation an empty signal ( approx . 1 . 5 s )
L evel relay energised R elay control
lamp lights
R elay control
lamp o ff
2 S imulation of an empty signal
F ailure lamp F ailure lamp o ff F ailure lamp o ff
3 S imulation of a full signal ( approx . 1 . 5 s )
L evel relay deenergised R elay control
lamp o ff
R elay control
lamp lights
3 S imulation of a full signal
F ailure lamp F ailure lamp o ff F ailure lamp o ff
4 R eturn to the current operating condition ( covered / uncovered )
SU 501 E x - S ignal conditioning instrument 19
S et up
27953
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EN
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050616