INFICON
5/15
(WD) 724-250 450 650 -Low Voltage Operating Manual 220627.docx
LDM
2
5
0
4
5
0
6
5
0
Lo
w
v
o
lt
age
Mu
lt
ip
o
in
t u
n
it
LDM
2
5
0
4
5
0
6
5
0
Lo
w
v
o
lt
age
Mu
lt
ip
o
in
t u
n
it
Logical matrix
HFC, HFO, HCFC
H3 = 20 cm
X = 50 cm
Y = 20 cm
P
o
we
r o
ff
P
re
h
e
a
t
No
rm
a
l
S
e
rv
ic
e
m
o
d
e
F
a
u
lt
U<
0
,1
V
F
a
u
lt
U<
0
,1
V
T<Xmin, X = delay in minutes. Letter U =
signal from sensor (Vdc).
T
<
X
m
in
.
T
>
X
m
in
.
T
<
X
m
in
.
T
>
X
m
in
.
T
<
X
m
in
.
T
>
X
m
in
.
T
=
<
4
(
h
)
T
=
>
4
(
h
)
LEDs (terminal board)
Power
0
X
X
X
X
X
X
X
X
X
X
X
Buzzer (disabled via jumper)
no indication
LEDs (per channel)
Power/active
0
Flash
X
Flash
X
X
X
X
X
X
0
0
Alarm C (low level) (Vdc)
0
0
0
Flash
Flash
X
X
X
X
X
Flash
0
Alarm B (middle level) (Vdc)
0
0
0
Flash
0
0
Flash
X
X
X
Flash
X
Alarm A (high level) (Vdc)
0
0
0
Flash
0
0
0
0
Flash
X
Flash
0
Summary Relay output (Energised/Not energised)
Alarm C
NE
E
E
E
E
NE
NE
NE
NE
NE
E
E
Alarm B
NE
E
E
E
E
E
E
NE
NE
NE
E
E
Alarm A
NE
E
E
E
E
E
E
E
E
NE
E
E
Fault (Relay D) (no time delay)
NE
E
E
E
E
E
E
E
E
E
NE
NE
Fault (Relay D) (4 hour time delay)
NE
E
E
E
E
E
E
E
E
E
E
NE
Auto reset Man reset
Test mode sequense
5 s
10 s
15 s
20 s
25 s
30 s
35 s
40 s
45 s
50 s
55 s
60 s
LED Power/active
0
Flash
X
Flash
X
X
X
X
X
X
0
0
LED Alarm C (low level)
0
0
0
Flash
Flash
X
X
X
X
X
Flash
0
LED Alarm B (middle level)
0
0
0
Flash
0
0
Flash
X
X
X
Flash
X
LED Alarm A (high level)
0
0
0
Flash
0
0
0
0
Flash
X
Flash
0
Ala
rm
C
U=
(>
C,<
B)
Ala
rm
B
U=
(>
B,<
A)
Ala
rm
A U>
A
