12
©
Dinel, s.r.o. ULM–70
8 .2 . WIRING DIAGRAM OF THE LEVEL METER WITH CURRENT OUTPUT
AND PDU UNIT IN VERSIONS FOR EXPLOSIVE AREAS
(+U) +
(0 V)
–
ULM-70Xi-_ _-_-I
IRU-420-I
explosive
area
User manual - METER SRP-N118
a) b)
Figure 4.2. Recommended dimensions of cable stripping
a)
for big connectors (1 to 6),
b)
for small connectors (7 to 13, 15 to 17)
Figure 4.3. Method of connecting cables to the
clamping
connectors
All connections must be made while power supply is disconnected !
Figure 4.4. Terminals description (relay outputs)
9
!
+
Uo
-
n
.c
.
R1
R2
GND
0/1 - 5V
0/2 - 10V
0/4 - 20mA
+
+
GND
G
N
D
D
A
T
A
+
15
16
17
12 11 10 9 8 7
13
14
1
2
3
4
5
6
D
A
T
A
-
RS - 485
(option)
(option)
P
o
w
e
r
s
u
p
p
ly
(d
e
p
e
n
d
in
g
o
n
v
e
rs
io
n
)
24V
(+5%, -10%)
I
max = 100 mA
P
E
n
.c
.
5 mm
m
a
x
.
1
.6
m
m
6 mm
m
a
x
.
2
m
m
PDU-420-W-230V
(input 4 ... 20 mA )
Connection of PDU-420-W is valid for firmware version 6.00 or higher. The older ver
-
sions (up to version 5.99), the terminal 9 of the IRU unit is connected to the terminal
10 of the PDU unit and the terminal 10 of the IRU unit is connected to the terminal
11 of the PDU unit.
non-explosive
area
User manual - METER SRP-N118
a) b)
Figure 4.2. Recommended dimensions of cable stripping
a)
for big connectors (1 to 6),
b)
for small connectors (7 to 13, 15 to 17)
Figure 4.3. Method of connecting cables to the
clamping
connectors
All connections must be made while power supply is disconnected !
Figure 4.4. Terminals description (relay outputs)
9
!
+
Uo
-
n
.c
.
R1
R2
GND
0/1 - 5V
0/2 - 10V
0/4 - 20mA
+
+
GND
G
N
D
D
A
T
A
+
15
16
17
12 11 10 9 8 7
13
14
1
2
3
4
5
6
D
A
T
A
-
RS - 485
(option)
(option)
P
o
w
e
r
s
u
p
p
ly
(d
e
p
e
n
d
in
g
o
n
v
e
rs
io
n
)
24V
(+5%, -10%)
I
max = 100 mA
P
E
n
.c
.
5 mm
m
a
x
.
1
.6
m
m
6 mm
m
a
x
.
2
m
m
L
N
230 V AC
Summary of Contents for Dinel ULM-70
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