Evoqua WALLACE & TIERNAN SFC, Original Instruction Manual

Page: 96 / 288

96
WT.050.590.000.DE.IM.0719
Functions
SFC
4.
Unlatched alarm without
acknowledgement option (N.O.
unlatched, N.C. unlatched)
The alarm symbol on the display is on when an alarm is triggered
and goes out automatically when the alarm condition is removed.
The same applies to the contact.
Picture 17 Example MIN alarm
Latched alarm with
reset acknowledgement option
(N.O.latched. reset,
N.C.latched.reset)
In the event of an alarm, the alarm symbol on the display flashes
until the alarm is acknowledged. The LED also goes out even if the
alarm conditions still apply when the alarm is acknowledged.
Picture 18 Example MIN alarm
M I N
t
d
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S y m b o l
w i t h o u t d e l a y
R e l a y
w i t h o u t d e l a y
R e l a y
w i t h d e l a y
S y m b o l
w i t h d e l a y
R e l a y
w i t h d e l a y
S y m b o l
w i t h d e l a y
M I N
t
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R e s e t
R e s e t
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S y m b o l
w i t h o u t d e l a y
R e l a y
w i t h o u t d e l a y
R e l a y
w i t h d e l a y
S y m b o l
w i t h d e l a y
R e l a y
w i t h d e l a y
S y m b o l
w i t h d e l a y
S y m b o l f l a s h i n g
S y m b o l f l a s h i n g
S y m b o l f l a s h i n g S y m b o l f l a s h i n g
S y m b o l f l a s h i n g